CN114161160A - Large-size cylindrical anti-deformation longitudinal seam milling and welding support device - Google Patents
Large-size cylindrical anti-deformation longitudinal seam milling and welding support device Download PDFInfo
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- CN114161160A CN114161160A CN202210006316.6A CN202210006316A CN114161160A CN 114161160 A CN114161160 A CN 114161160A CN 202210006316 A CN202210006316 A CN 202210006316A CN 114161160 A CN114161160 A CN 114161160A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention provides a large-size cylindrical anti-deformation longitudinal seam milling and welding support device, which comprises a headstock and a tailstock; the headstock and the tailstock are fixed at two ends of the base, a support beam is fixed on the tops of the tailstock and the headstock in a crossing manner, and the tailstock and the headstock are respectively provided with a left-right centering adjusting mechanism and an upper-lower leveling wedge block mechanism for adjusting the relative position between the top and the bottom; the supporting beam is provided with a detachable clamp beam. The invention is based on the integral type external holding clamp structure, can realize the strong rigidity pressing function, has more sufficient rigidity than other external holding modes such as a piano type and the like, has simpler operation, saves more cost and improves the longitudinal seam welding efficiency; the arc control of the cylinder product can be realized, and the butt joint and the fixation of longitudinal joints are convenient; the shape correction of the roundness of the cylinder body can be realized through the bidirectional reverse thread telescopic mechanism at the lower end of the auxiliary support, and the practicability is high; the milling and welding of the product can be respectively realized, and the welding efficiency is improved.
Description
Technical Field
The invention relates to a large-size cylindrical anti-deformation longitudinal seam milling and welding supporting device.
Background
The friction stir welding is a high-efficiency, high-quality and environment-friendly solid-phase welding technology, has small deformation of a welding workpiece, and is widely applied to various industries such as aviation, aerospace and the like. The most important thing in the friction stir welding process is to realize the inner support and the outer compression of the high-strength rigidity of the workpiece, so that the requirement on the welding tool is extremely high, and the high rigidity of the workpiece can be realized through the welding tool. At present, a barrel welding method is mainly formed by splicing a section of barrel through girth welding, the welding form is limited, specific requirements are also met on the size of the barrel, certain limitations are achieved, the outer holding is mostly pressed by piano type press claws, the outer holding structure is complex, the rigidity is insufficient, the operation is extremely inconvenient, and time and labor are wasted.
Disclosure of Invention
In order to solve the technical problems, the invention provides a large-size cylindrical anti-deformation longitudinal joint milling and welding supporting device which is based on an integral type external holding clamp structure, can realize a strong rigid pressing function, has higher rigidity than other external holding modes such as a piano type mode and the like, is simpler to operate, saves cost and improves the longitudinal joint welding efficiency.
The invention is realized by the following technical scheme.
The invention provides a large-size cylindrical anti-deformation longitudinal seam milling and welding supporting device, which comprises a headstock and a tailstock; the headstock and the tailstock are fixed at two ends of the base, a support beam is fixed on the tops of the tailstock and the headstock in a crossing manner, and the tailstock and the headstock are respectively provided with a left-right centering adjusting mechanism and an upper-lower leveling wedge block mechanism for adjusting the relative position between the top and the bottom; the supporting beam is provided with a detachable clamp beam.
The supporting beam consists of a supporting beam main body, a backing plate is arranged on the top surface of the supporting beam main body, and a detachable cushion block is arranged on the backing plate.
The cushion blocks are of two types, namely a welding cushion block without a groove and a milling cushion block with a groove.
An auxiliary support is arranged between the tail frame and the head frame and below the support beam.
The auxiliary stand comprises the auxiliary stand main part, and tailstock and headstock are fixed in respectively at auxiliary stand main part both ends, are equipped with the multiunit support column in the auxiliary stand main part, and every group support column contains support column, right branch dagger, left branch dagger, bottom suspension dagger respectively one, goes up support column, right branch dagger, left branch dagger, bottom suspension dagger and is the cross and all perpendicular to auxiliary stand main part axial.
The outer ends of the right supporting column and the left supporting column are respectively fixed with movable blocks through fixed blocks, and the movable blocks are respectively movably arranged on the two parallel inner supporting plates; the inner supporting plate is provided with a wall plate circumferential adjuster; the right supporting column and the left supporting column are connected with the fixing block through the reverse thread columns.
A top plate is fixed at the top end of the upper support column and used for supporting and mounting the support beam; the bottom end of the lower supporting column is fixed with a movable inner supporting block through a fixed stop block; and a group of supporting upright columns and jacks are respectively arranged at the top and the bottom of the auxiliary support main body at positions close to the end parts, and the supporting upright columns and the jacks form a telescopic supporting structure.
The tail frame consists of a tail frame main body, a left-right centering adjusting mechanism and an upper-lower leveling wedge block mechanism are arranged at the top end of the tail frame main body, a tail frame platform is fixed at the upper part of the tail frame main body, and a tail frame straight ladder is arranged on the side surface of the tail frame main body; the headstock is composed of a headstock body, a left-right centering adjusting mechanism and an upper-lower leveling wedge block mechanism are mounted at the top end of the headstock body, a headstock reinforcing stand column auxiliary support is further arranged at the bottom of the upper-lower leveling wedge block mechanism, a headstock platform is fixed at the upper part of the headstock body, and a headstock vertical ladder is fixed on the side face of the headstock platform.
The clamp beam consists of a rotating shaft, a clamp beam base is arranged at the end part of the rotating shaft, and a compression screw is arranged between the clamp beam base and the rotating shaft; a clamping tool is arranged on the rotating shaft; the end part of the rotating shaft is also provided with a pre-stretching mechanism; the pre-stretching mechanism is formed by installing an eccentric gear at the end part of the bracket.
And the supporting beam is also provided with an observation platform.
The invention has the beneficial effects that: based on the integral type outer holding clamp structure, the strong rigidity pressing function can be realized, compared with other outer holding modes such as a piano type mode and the like, the rigidity is more sufficient, the operation is simpler, the cost is saved, and the longitudinal seam welding efficiency is improved; the arc control of the cylinder product can be realized, and the butt joint and the fixation of longitudinal joints are convenient; the shape correction of the roundness of the cylinder body can be realized through the bidirectional reverse thread telescopic mechanism at the lower end of the auxiliary support, and the practicability is high; the milling and welding of products can be respectively realized, and the welding efficiency is improved; the leveling of the cushion block can be realized, and the welding quality of the longitudinal seam of the product is improved; the longitudinal pretensioning function of the cylinder can be realized, and the butt joint and welding effects of the welding seam are better.
Drawings
FIG. 1 is a schematic block diagram of at least one embodiment of the present invention;
FIG. 2 is a schematic diagram of the assembly of the base of FIG. 1;
FIG. 3 is a schematic diagram of the assembly of the tailrack of FIG. 1;
FIG. 4 is a schematic diagram of the assembly of the headgear of FIG. 1;
FIG. 5 is a schematic view showing the construction of the components of the auxiliary stand of FIG. 1;
FIG. 6 is an enlarged schematic view of the structure at A in FIG. 5;
FIG. 7 is a schematic view of the assembly of the support beam of FIG. 1;
FIG. 8 is a schematic diagram of the assembly of the clamp beam of FIG. 1;
FIG. 9 is a schematic view of the pre-tensioning mechanism of FIG. 8
In the figure: 1-base, 2-tailstock, 3-auxiliary support, 4-headstock, 5-support beam, 6-clamp beam, 7-observation table, 8-base body, 9-upper end arc plate, 10-arc support, 11-tailstock body, 12-tailstock platform, 13-left-right centering adjustment mechanism, 14-upper and lower leveling wedge block mechanism, 15-tailstock straight ladder, 16-support upright post, 17-jack, 18-auxiliary support body, 19-inner support plate, 20-upper support column, 21-top plate, 22-right support column, 23-left support column, 24-fixed block, 25-movable block, 26-lower support column, 27-fixed stop block, 28-movable inner support block, 29-wall plate circumferential adjuster, 30-reverse threaded column, 31-headstock straight ladder, 32-headstock body, 33-headstock platform, 34-headstock reinforcing upright column, 35-supporting beam body, 36-backing plate, 37-cushion block, 38-clamp beam base, 39-pressing screw rod, 40-rotating shaft, 41-pre-stretching mechanism, 42-clamping tool, 43-bracket and 44-eccentric gear.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
Example 1
The large-size cylindrical deformation-preventing longitudinal seam milling and welding supporting device comprises a headstock 4 and a tailstock 2, wherein the headstock is provided with a groove; the headstock 4 and the tailstock 2 are fixed at two ends of the base 1, a supporting beam 5 spans and is fixed at the tops of the tailstock 2 and the headstock 4, and the tailstock 2 and the headstock 4 are respectively provided with a left-right centering adjusting mechanism 13 and an upper-lower leveling wedge block mechanism 14 for adjusting the relative position between the top and the bottom; the support beam 5 is provided with a detachable clamp beam 6.
Example 2
According to embodiment 1, the support beam 5 is composed of a support beam main body 35, a backing plate 36 is installed on the top surface of the support beam main body 35, and a detachable pad 37 is installed on the backing plate 36.
Example 3
In example 1, there are two types of spacers 37, that is, a non-grooved spacer for welding and a grooved spacer for milling.
Example 4
Based on embodiment 1, an auxiliary frame 3 is installed between the tailstock 2 and the headstock 4 below the support beam 5.
Example 5
Based on embodiment 4, the auxiliary support 3 is composed of an auxiliary support main body 18, two ends of the auxiliary support main body 18 are respectively fixed to the tailstock 2 and the headstock 4, a plurality of groups of support columns are mounted on the auxiliary support main body 18, each group of support columns includes an upper support column 20, a right support column 22, a left support column 23 and a lower support column 26, and the upper support column 20, the right support column 22, the left support column 23 and the lower support column 26 are in a cross shape and are all perpendicular to the axial direction of the auxiliary support main body 18.
Example 6
Based on embodiment 5, the outer ends of the right supporting column 22 and the left supporting column 23 are respectively fixed with a movable block 25 through a fixed block 24, and the movable blocks 25 are respectively movably installed on the two parallel inner supporting plates 19.
Example 7
In accordance with embodiment 6, the inner strut plate 19 is provided with a wall plate circumferential adjuster 29.
Example 8
Based on embodiment 6, the right support column 22 and the left support column 23 are connected to the fixing block 24 through the reverse-threaded column 30.
Example 9
Based on the embodiment 5, the top end of the upper supporting column 20 is fixed with a top plate 21 for supporting and mounting the supporting beam 5; the bottom end of the lower support column 26 is fixed with a movable inner support block 28 through a fixed stop block 27.
Example 10
Based on embodiment 5, a group of supporting columns 16 and jacks 17 are respectively arranged at the top and the bottom of the auxiliary support main body 18 near the end part, and the supporting columns 16 and the jacks 17 form a telescopic supporting structure.
Example 11
Based on the embodiment 1, the tail frame 2 is composed of a tail frame main body 11, a left-right centering adjusting mechanism 13 and an upper-lower leveling wedge block mechanism 14 are installed at the top end position of the tail frame main body 11, a tail frame platform 12 is fixed at the upper part of the tail frame main body 11, and a tail frame straight ladder 15 is arranged on the side surface of the tail frame main body 11; the headstock 4 is composed of a headstock main body 32, a left-right centering adjusting mechanism 13 and an upper-lower leveling wedge block mechanism 14 are mounted at the top end of the headstock main body 32, a headstock reinforcing upright post 34 is further arranged at the bottom of the upper-lower leveling wedge block mechanism 14 for auxiliary support, a headstock platform 33 is fixed at the upper part of the headstock main body 32, and a headstock vertical ladder 31 is fixed on the side surface of the headstock platform 33.
Example 12
Based on the embodiment 1, the clamp beam 6 consists of a rotating shaft 40, the end part of the rotating shaft 40 is provided with a clamp beam base 38, and a compression screw 39 is arranged between the clamp beam base 38 and the rotating shaft 40; the clamping tool 42 is arranged on the rotating shaft 40; the end of the rotating shaft 40 is also provided with a pre-stretching mechanism 41; the pretensioning mechanism 41 is formed by mounting an eccentric gear 44 at the end of a bracket 43.
Example 13
In embodiment 1, the support beam 5 is further provided with an observation stage 7.
Example 14
Based on the above embodiment, the device comprises a base 1, a headstock 4, a tailstock 2, an auxiliary support 3, a support beam 5, a clamp beam 6 and an observation platform 7. The base 1 is respectively connected with the headstock 4 and the tailstock 2 through bolts, the head end and the tail end of the auxiliary support 3 are respectively connected with the headstock 4 and the tailstock 2 through bolts, the supporting beam 5 is respectively connected with the headstock 4, the tailstock 2 and the clamp beam 6 through bolts, and the observation platform 7 is connected with a beam of the friction stir welding equipment through bolts.
The headstock 4 comprises a headstock main body 32, a headstock vertical ladder 31, a headstock platform 33, a headstock up-down leveling wedge mechanism 14, a left-right centering adjustment mechanism 13 and a headstock reinforcing upright post 34. The headstock vertical leveling wedge block mechanism 14 moves up and down through a screw adjusting wedge block, and the left and right centering adjusting mechanism 13 moves left and right through a screw adjusting support beam 5.
The tail frame 2 comprises a tail frame main body 11, a tail frame vertical ladder 15, a tail frame platform 12, an upper and lower leveling wedge block mechanism 14 and a left and right centering adjusting mechanism 13. The upper and lower leveling wedge block mechanisms 14 move up and down through the wedge blocks adjusted by the screws, and the left and right centering adjustment mechanisms 13 move left and right through the support beam 5 adjusted by the screws.
The support beam 5 comprises a support beam body 35, a backing plate 36 is arranged above the support beam body and connected with the support beam body of the main body through screws, a cushion block 37 is arranged in the middle above the backing plate 36, and the cushion block has two structures of a milling groove and a non-milling groove and is respectively used for milling and welding wall plates. The cushion block is connected with the backing plate through a countersunk head screw.
The clamp beam 6 comprises a clamp beam base 38 and a turning shaft 40, one base 38 at each end of the turning shaft, the clamp beam base 38 being provided with a pretensioning mechanism 41 comprising a bracket 43 and an eccentric gear 44. The rotating shafts are provided with compression screws 39, the rotating shafts can rotate by rotating the compression screws, and the two rotating shafts can be compressed by the aid of clamping tools 42.
The observation platform 7 is fixed on the beam of the welding equipment.
A typical method of use of the present invention comprises the following major steps:
And 2, loosening the bolts of the clamp beam 6, lifting the clamp beam away by using a travelling crane, taking down the cushion block without the groove, installing the cushion block with the groove for milling, and lifting the clamp beam. The left support column 23 is adjusted to a reasonable length by adjusting the reverse screw. And hoisting the grid wall plate to be milled, placing one end face of the grid wall plate at the inner supporting plate 19, adjusting the angle of the wall plate through the wall plate circumferential adjuster 29, meanwhile, penetrating the other end face of the grid wall plate from the gap between the clamp beam 6 and the supporting beam 5, putting on the cushion block 37 and the base plate 36, screwing the compression screw 39, installing the clamping tool 42, replacing the stirring head on the stirring welding equipment handle with a proper milling cutter, milling the allowance of the welding seam edge of the grid wall plate, and milling the other wall plates similarly.
And 3, hanging away the clamp beam 6, and replacing the cushion block with a welding cushion block without a groove.
And 4, hoisting the first and second grid wall plates to enable the welding seam end faces of the two wall plates to be in butt joint and placed on the cushion block for welding, so as to ensure that the welding seam is collinear with the central line of the cushion block. And screwing the compression screw 39, installing the clamping tool 42, simultaneously placing the other end faces of the two wallboards on the left inner supporting plate and the right inner supporting plate respectively, attaching the inner walls of the wallboards to the arc surfaces of the inner supporting plates, adjusting the angles of the wallboards through the wallboard circumferential adjuster 29, and completely fixing the first wallboard and the second wallboard.
And 5, adjusting the upper support column 20 of the auxiliary support 3 to be in contact with the support beam 5, and adjusting the lower support column 26 of the auxiliary support 3 to be in contact with the arc-shaped plate at the upper end of the base, so that the downward transmission of the upsetting force during welding is realized, and the rigidity of the support beam 5 is enhanced.
And 6, replacing the milling cutter with a stirring head, starting a main shaft of the cutter handle, and welding a first welding line.
And 7, loosening the clamp beam bolts, lifting away the clamp beam 6, rotating the welded 1/2 cylinder by 90 degrees, lifting a third wallboard, pressing two sides of a second welding line by using the clamp beam 6, attaching the left inner support plate 19 of the tool to the inner wall of the first welding line, attaching the right inner support plate of the tool to the inner wall of the third wallboard, adjusting the angle of the wallboard through the wallboard circumferential adjuster 29, and fixing after adjustment. And adjusting a fixed stop block 27 below a lower support column 26 of the auxiliary support 3 to block the end face of the first wall plate, moving a movable inner support block 28 downwards, pressing the inner wall of the first wall plate through an adjusting screw to prevent the wall plate from rotating circumferentially, and welding a second welding seam.
And 8, loosening the clamp beam bolts, lifting away the clamp beam 6, rotating the welded front three wallboards by 90 degrees, lifting a fourth wallboard, pressing two sides of a third welding line by using the clamp beam 6, fitting the inner support plate 19 on the left side of the tool with the inner wall of the second welding line, fitting the inner support plate on the right side of the tool with the inner walls of the third wallboard and the fourth wallboard, adjusting the fixed stop block 27 and the movable inner support block 28 below the lower support column 26 to fit and press the fixed stop block and the movable inner support block with the inner wall of the first welding line, and welding the third welding line. And finishing the welding of the fourth welding seam in the same way.
And 9, fixing the support upright 16 on the tool through bolts, lifting the jack 17, supporting the auxiliary support main body 18 and the support beam 5, taking down all the bolts on the tail frame 2, hoisting the tail frame 2 away, and then lowering the jack and the support upright below the auxiliary support main body.
And 10, lifting upwards and translating outwards to take out the cylinder.
Claims (10)
1. The utility model provides a jumbo size drum shape longitudinal joint of preapring for an unfavorable turn of events mills and welds strutting arrangement, includes headstock (4) and tailstock (2), its characterized in that: the headstock (4) and the tailstock (2) are fixed at two ends of the base (1), a supporting beam (5) is fixed on the tops of the tailstock (2) and the headstock (4) in a crossing manner, and the tailstock (2) and the headstock (4) are respectively provided with a left-right centering adjusting mechanism (13) and an upper-lower leveling wedge block mechanism (14) for adjusting the relative position between the top and the bottom; the supporting beam (5) is provided with a detachable clamp beam (6).
2. The large-sized cylindrical deformation-preventing longitudinal seam milling and welding support device as claimed in claim 1, wherein: the supporting beam (5) consists of a supporting beam main body (35), a backing plate (36) is arranged on the top surface of the supporting beam main body (35), and a detachable cushion block (37) is arranged on the backing plate (36).
3. The large-sized cylindrical deformation-preventing longitudinal seam milling and welding support device as claimed in claim 2, wherein: the cushion blocks (37) are of two types, namely a welding cushion block without a groove and a milling cushion block with a groove.
4. The large-sized cylindrical deformation-preventing longitudinal seam milling and welding support device as claimed in claim 1, wherein: an auxiliary support (3) is arranged between the tail frame (2) and the head frame (4) and is lower than the support beam (5).
5. The large-sized cylindrical deformation-preventing longitudinal seam milling and welding support device as claimed in claim 4, wherein: auxiliary stand (3) comprise auxiliary stand main part (18), auxiliary stand main part (18) both ends are fixed in tailstock (2) and headstock (4) respectively, be equipped with the multiunit support column on auxiliary stand main part (18), every group support column contains support column (20), right branch dagger (22), left branch dagger (23), lower support column (26) respectively one, go up support column (20), right branch dagger (22), left branch dagger (23), lower support column (26) are the cross and all perpendicular to auxiliary stand main part (18) axial.
6. The large-sized cylindrical deformation-preventing longitudinal seam milling and welding support device as claimed in claim 5, wherein: the outer ends of the right supporting column (22) and the left supporting column (23) are respectively fixed with a movable block (25) through a fixed block (24), and the movable blocks (25) are respectively movably arranged on two parallel inner supporting plates (19); the inner supporting plate (19) is provided with a wall plate circumferential adjuster (29); the right supporting column (22) and the left supporting column (23) are connected with the fixing block (24) through the reverse-thread column (30).
7. The large-sized cylindrical deformation-preventing longitudinal seam milling and welding support device as claimed in claim 5, wherein: a top plate (21) is fixed at the top end of the upper support column (20) and used for supporting and mounting the support beam (5); the bottom end of the lower supporting column (26) is fixed with a movable inner supporting block (28) through a fixed stop block (27); and a group of supporting upright columns (16) and jacks (17) are respectively arranged at the top and the bottom of the auxiliary support main body (18) at positions close to the end parts, and the supporting upright columns (16) and the jacks (17) form a telescopic supporting structure.
8. The large-sized cylindrical deformation-preventing longitudinal seam milling and welding support device as claimed in claim 1, wherein: the tail frame (2) is composed of a tail frame main body (11), a left-right centering adjusting mechanism (13) and an upper-lower leveling wedge block mechanism (14) are installed at the top end of the tail frame main body (11), a tail frame platform (12) is fixed at the upper part of the tail frame main body (11), and a tail frame straight ladder (15) is arranged on the side surface of the tail frame main body (11); the headstock (4) is composed of a headstock main body (32), a left-right centering adjusting mechanism (13) and an upper-lower leveling wedge block mechanism (14) are mounted at the top end of the headstock main body (32), a headstock reinforcing upright post (34) is arranged at the bottom of the upper-lower leveling wedge block mechanism (14) for auxiliary support, a headstock platform (33) is fixed at the upper part of the headstock main body (32), and a headstock vertical ladder (31) is fixed on the side surface of the headstock platform (33).
9. The large-sized cylindrical deformation-preventing longitudinal seam milling and welding support device as claimed in claim 1, wherein: the clamp beam (6) consists of a rotating shaft (40), a clamp beam base (38) is arranged at the end part of the rotating shaft (40), and a compression screw rod (39) is arranged between the clamp beam base (38) and the rotating shaft (40); a clamping tool (42) is arranged on the rotating shaft (40); the end part of the rotating shaft (40) is also provided with a pre-stretching mechanism (41); the pretensioning mechanism (41) is composed of an eccentric gear (44) arranged at the end part of a bracket (43).
10. The large-sized cylindrical deformation-preventing longitudinal seam milling and welding support device as claimed in claim 1, wherein: an observation platform (7) is also arranged on the supporting beam (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210006316.6A CN114161160B (en) | 2022-01-04 | 2022-01-04 | Large-size cylinder anti-deformation longitudinal joint milling and welding support device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210006316.6A CN114161160B (en) | 2022-01-04 | 2022-01-04 | Large-size cylinder anti-deformation longitudinal joint milling and welding support device |
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| CN114161160A true CN114161160A (en) | 2022-03-11 |
| CN114161160B CN114161160B (en) | 2022-12-13 |
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| US20160016267A1 (en) * | 2014-07-18 | 2016-01-21 | Lincoln Global, Inc. | Tank welding fixture |
| WO2017078232A1 (en) * | 2015-11-05 | 2017-05-11 | (주)성광 | Fixing apparatus for pipe welding |
| CN108480887A (en) * | 2018-04-26 | 2018-09-04 | 德尔玛（珠海）焊接自动化技术有限公司 | A kind of LNG tank formula container welding device |
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| CN212793779U (en) * | 2020-07-15 | 2021-03-26 | 长沙瑞捷机械科技股份有限公司 | Flexible rotary table positioner |
| CN113798857A (en) * | 2021-10-20 | 2021-12-17 | 贵州航天天马机电科技有限公司 | Aluminum alloy storage tank circumferential weld mills, friction stir welding integrated device |
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