CN206731847U - A kind of shell misalignment error forces means for correcting - Google Patents
A kind of shell misalignment error forces means for correcting Download PDFInfo
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- CN206731847U CN206731847U CN201720175307.4U CN201720175307U CN206731847U CN 206731847 U CN206731847 U CN 206731847U CN 201720175307 U CN201720175307 U CN 201720175307U CN 206731847 U CN206731847 U CN 206731847U
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Abstract
The utility model provides a kind of shell misalignment error and forces means for correcting, including frame；Also include：The axis of cone, the axis of cone can move back and forth relative to frame；Numerical control load-bearing rotary table, the numerical control load-bearing rotary table are coaxially disposed with the axis of cone and are relatively fixed with the axis of cone；Fore-set component, includes the first pulley that is provided with of first end of the fore-set, the jacking block that the second end of the fore-set is provided with；The frame is provided with the first pilot hole for being used for being oriented to the fore-set；The fore-set slides and is located at the first pilot hole, and the first pulley contacts with the conehead of the axis of cone.Pass through said structure, the utility model the circumferential weld misalignment error of cylinder is carried out more segmental arcs, multiposition, etc. circle internal expanding correction, group quick to Circumferential Welds In Cylinders misalignment error, lossless, 360 ° of orientation, high-precision correction operation can be completed, reaches the requirement of Circumferential Welds In Cylinders high-quality welding.
Description
Technical field
A kind of means for correcting is the utility model is related to, more particularly to a kind of shell misalignment error forces means for correcting.
Background technology
The devices such as the pressure vessel, spud leg, head conduit of diversified forms specification are largely used in oil-gas field development,
Need that single hop cylinder is grouped in these device fabrications, because single-unit cylinder is inevitable in the fabrication process
When error and its reason of conducting oneself with dignity can cause two groups to cylinder progress girth welding, mistake of the group to Circumferential Welds In Cylinders often occurs
Measure overproof (being more than 5mm) in side, it is impossible to meet the technical requirements of girth welding, it is necessary to which circumferential weld unfitness of butt joint error is reduced to permission model
In enclosing, girth welding operation could be carried out.Generally, group is made to producing elasticity or plasticity at Circumferential Welds In Cylinders with the method for forcing to correct
Deformation, goes on business to reduce its unfitness of butt joint, reaches the requirement of girth welding.The process trouble and application condition of traditional handicraft
Greatly, automatic group of pressure container cylinder is low to efficiency.
Utility model content
The purpose of the utility model is to overcome problem of the prior art, there is provided a kind of shell misalignment error forces school
Equipment, it can be corrected to cylinder.
In order to solve the above problems, the utility model is achieved by following technical scheme：
A kind of shell misalignment error forces means for correcting, including frame；Also include：
The axis of cone, the axis of cone can move back and forth relative to frame；
Numerical control load-bearing rotary table, the numerical control load-bearing rotary table are coaxially disposed with the axis of cone and are relatively fixed with the axis of cone；
Fore-set component, including the first pulley that is provided with of the first end of the fore-set and fore-set, the second end of the fore-set are set
Some jacking blocks；The frame is provided with the first pilot hole for being used for being oriented to the fore-set；The fore-set slides to be oriented to located at first
Hole, the first pulley contact with the conehead of the axis of cone.
Preferably, also include：
Cam, the cam are coaxially disposed with the axis of cone and are synchronized with the movement with the axis of cone；
Support component, the support component include support block and support column, the support block located at the support column the
One end, the second end of the support column are provided with second pulley；The corresponding support column frame is provided with the second pilot hole, the branch
Dagger slides and is located at second pilot hole；The lateral surface of the cam is that bus rotates the surfaces of revolution to be formed；Described second slides
Wheel is in contact with the lateral surface of the cam；When the cam is synchronized with the movement with the axis of cone, in the same time, the support column
The distance being displaced outwardly is more than the distance that the fore-set is displaced outwardly.
Preferably, the piston rod for also including hydraulic cylinder, the axis of cone and cam and the hydraulic cylinder is coaxial and mutually solid
It is fixed.
Preferably, the first guide sleeve and second are fixed with respectively in first pilot hole and second pilot hole
Guide sleeve.
Preferably, the lateral surface at the second end of the fore-set is provided with the first pressing plate, the first bullet is arranged with outside the fore-set
Spring, first spring compression is between the frame of first pressing plate and the first pilot hole side；
The lateral surface at the second end of the support column is provided with the second pressing plate, is arranged with second spring outside the support column, institute
Second spring is stated to be pressed between the frame of second pressing plate and the second pilot hole side.
Preferably, including four sets of fore-set components and three sets of support column assemblies.
Preferably, the structure of the support column and the fore-set is identical, it is specially：Including with the hollow of an opening
The body of rod, sliding block and connecting rod；The sliding block can reset the inner chamber for being slidably located at the body of rod, and the connecting rod is removably pacified
On the sliding block；
The support block or jacking block removably interfix with the connecting rod.
Preferably, the bottom of the frame is provided with height-adjustable dolly.
Preferably, the axis of cone includes conehead, the conehead is provided with an axis of guide, and the frame corresponds to the axis of guide and is provided with
3rd pilot hole；The axis of guide slides and is located at the 3rd pilot hole.
Preferably, the jacking block is removably mounted on the fore-set, the support block is removably mounted on support
Post.
Compared with prior art, the beneficial effects of the utility model are：
By said structure, the utility model the circumferential weld misalignment error of cylinder is carried out more segmental arcs, multiposition, etc. circle internal expanding
Correction, can complete group quick to Circumferential Welds In Cylinders misalignment error, lossless, 360 ° of orientation, high-precision correction operation, reach Circumferential Welds In Cylinders
The requirement of high-quality welding.The technology may be used on more specifications, large scale, large-diameter pressure vessel manufacture, major diameter oil transportation gas
Pipe network laying, ocean platform pile leg making, the construction of large cylindrical class steel construction piece etc., automatic group of cylinder can be improved to effect
Rate and precision, the quality of barrel soldering is improved, raw materials consumption is reduced, reduces production cost, improves site work environment purpose.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：
1-frame；2-axis of cone；3-guide sleeve；4-fore-set；5-interchangeable extension bar；51-body of rod；52-mobile jib；53—
Sliding bar；54-the three spring；55-sliding block；6-jacking block；7-numerical control load-bearing rotary table；8-axis of guide；9-the first spring；
11-support block；12-cam；13-dolly；14-hydraulic cylinder；15-pulley.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
As shown in figure 1, a kind of shell misalignment error described in the utility model forces means for correcting, including：
Frame 1, the bottom of frame 1 are provided with wheel, and as a kind of preferred scheme, the bottom of frame 1 is provided with adjustable height
Transport trolley 13.Transport trolley 13 includes top plate, two body cradles and wheel located at top plate bottom, and wheel is arranged on described
The bottom of body cradle, the articulated section of body cradle are provided with a bolt as jointed shaft, and the end of the bolt, which screws in, is provided with a spiral shell
Mother, by tightening nut, it is no longer able to turn it so as to lock body cradle.By adjusting the folding angle of body cradle, so as to
Enough adjust the height of transport trolley.
The axis of cone 2 and cam 12 being coaxially disposed, the axis of cone 2 can move back and forth with cam 12 relative to frame 1；
Numerical control load-bearing rotary table 7, the numerical control load-bearing rotary table 7 are coaxially disposed and relatively solid with the axis of cone 2 with the axis of cone 2
It is fixed；Numerical control load-bearing rotary table 7 is between the axis of cone 2 and cam 12.
Four sets of fore-set components, fore-set component include first pulley 15, the top that the first end of fore-set 4 and the fore-set 4 is provided with
The jacking block 6 that second end of post 4 is provided with；Frame 1 is provided with the first pilot hole for being used for being oriented to the fore-set 4；First pulley and cone
The conehead contact of axle 2.The first guide sleeve is fixed with first pilot hole, fore-set 4 slides and is located at the first guide sleeve.Fore-set 4
The lateral surface at the second end is provided with the first pressing plate, is arranged with the first spring 9 outside fore-set 4, the first spring 9 be pressed on the first pressing plate with
Between the frame of first pilot hole side.Jacking block 6 is removably mounted on fore-set 4, and the surface that jacking block 6 contacts with container inner wall is set
It is fluted.Four sets of fore-set components are uniformly distributed along the circumferencial direction of conehead.
Three sets of support components, support component include support block 11 and support column, and support block 11 is located at the first end of support column,
Second end of support column is provided with second pulley 15；Corresponding support column frame is provided with the second pilot hole, and support column, which slides, is located at the
Two pilot holes；Second pulley is in contact with the lateral surface of cam 12.
The lateral surface of cam 12 is that bus rotates the surfaces of revolution to be formed；Second pulley connects with the lateral surface of the cam 12
Touch；When cam 12 is synchronized with the movement with the axis of cone 2, in the same time, the distance that support column is displaced outwardly is more than what fore-set was displaced outwardly
Distance.
Specifically：Cam 12 includes curved face part and cylindrical portion, and curved face part is fixedly connected with cylindrical portion；Curved face part lateral surface is
The surfaces of revolution of bus formation is mutually connected in concave arc line, skew lines, a bit of convex arc line；As shown in figure 1, the gradient due to skew lines
Gradient than the side in the section of the axis of cone 2 is big, so in the same time, the distance that support column is displaced outwardly is moved out more than fore-set
Dynamic distance.
The second guide sleeve is fixed with second pilot hole, support column slides and is located at the second guide sleeve.The second of support column
The lateral surface at end is provided with the second pressing plate, is arranged with second spring outside support column, second spring is pressed on the second pressing plate and led with second
To between the frame of hole side.
Roof pillar configuration and support column arrangement are all the interchangeable structure of extension bar 5, and concrete structure is as follows：Including：
With an open hollow body of rod 51, the inner chamber of the body of rod is fixed with a hollow mobile jib 52, is slided in mobile jib 52
It is dynamic that a sliding bar 53 is set；
The free end of sliding bar is provided with the first locating part, and the outside of mobile jib is provided with the second locating part, one the 3rd 54 sets of spring
It is located at outside mobile jib and is placed on the second locating part, spring supporting the second locating part；
A fixedly connected part is fixedly installed in the free end of sliding bar, and fixedly connected part is fixedly connected with a sliding block 55, sliding block
It is slidingly disposed at the inner chamber of the body of rod.One connecting rod is removably mounted on sliding block, and jacking block 6 or support block 11 are removably pacified
In connecting rod.
First pressing plate, the second pressing plate are arranged on the lateral surface of the body of rod.
The piston rod of hydraulic cylinder 4, the axis of cone 2 and cam and hydraulic cylinder 4 is coaxial and interfixes.
The conehead of the axis of cone 2 is provided with an axis of guide 8, and frame corresponds to the axis of guide and is provided with the 3rd pilot hole；The axis of guide is slided and is located at
3rd pilot hole.
Operation principle of the present utility model：
(1) in the device, by the jacking block 6 that circumferentially angularly distribution, radial direction equal diameter change, four fore-sets 4 are being bored
In the presence of axle 2, complete to the circle internal expanding correction such as segmental arc of circumferential weld four.
(2) use numerical control load-bearing rotary table 7, realize above-mentioned four fore-sets on the circumferential weld of correction, can 360 ° of controllable revolutions,
To guarantee to look for position to the accurate of any overproof position of unfitness of butt joint on circumferential weld circumference.
(3) by the guiding constraint of four guide sleeves 3 in frame, make four fore-sets in radial motion with good firm
Property；The stage casing of four fore-sets is interchangeable binding structure, according to correction different-diameter cylinder radius requirement, replaceable corresponding length
Extension bar, in axis of cone limited travel, to meet to correct the needs of Φ 800mm- Φ 5000mm barrel diameters change；Four fore-sets
Top is provided with jacking block 6, to adapt to requirement of the different-diameter Circumferential Welds In Cylinders to jacking block difference radian；Radial direction synchronization of four fore-sets etc.
Circular motion is that the axial movement by being connected to the axis of cone 2 of the piston rod front end axis of guide 8 of hydraulic cylinder 14 is realized, makes four fore-sets
Radial direction impulse stroke with 0~200mm.
(4) behind four fore-sets, there are three support blocks 11, the action of three support blocks is by coaxial with the axis of cone 2
The effect for the cam 12 be connected, being synchronized with the movement, prior to four fore-sets of three support blocks are made to complete internal expanding action.Three support blocks
Bottom, bottom, the structure on top are identical with the structure type of four fore-sets.
(5) device passing in and out, moving in cylinder, center adjustment are the transport trolleys 13 by a height adjustable conveying
Realize.Device is completed mainly by adjustment transport trolley bearing height, and transport trolley is the structure using staggered form, is improved stable
Property, it can regulate and control rapidly, transport trolley castor uses universal wheel, and manual operation completes conveying, center adjustment action.
(6) specific operation principle：In the cylinder that means for correcting described in the utility model push-in need to be corrected, Ran Houkai
Hydrodynamic cylinder pressure, the piston rod movement of hydraulic cylinder, so as to be moved with moving cam, numerical control load-bearing rotary table and axis of cone synchronous reciprocating, and bore
Axle can also rotate under the drive of numerical control load-bearing rotary table；Fore-set moves up and down in the presence of guide sleeve and the axis of cone, and support column exists
Moved up and down in the presence of cam and guide sleeve；So as to which jacking block carries out shape correction to the side wall of cylinder.
Means for correcting is forced by a kind of shell misalignment error described in the utility model, can be to diameter phi 800mm
~φ 5000mm, wall thickness 10mm~50mm pressure container cylinder group circumferential weld misalignment error is realized more segmental arcs, multiposition, etc. circle
Internal expanding, lossless, quick correction.Can improve welding quality of the group to Circumferential Welds In Cylinders, reduce pressure vessel profile deviation from cylindrical form and
Internal stress, pressure vessel outer surface mechanical damage is avoided, improve Cylinder assembly and girth welding operating efficiency, improve operation field
Condition of work, reduce labor intensity and job safety risk.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is made any formal
Limitation, it is therefore every without departing from the content of the technical scheme of the utility model, implement according to the technical essence of the utility model to more than
Example any modification, equivalent variations and the modification made, in the range of still falling within technical solutions of the utility model.
Claims (10)
1. a kind of shell misalignment error forces means for correcting, including frame；Characterized in that, also include：
The axis of cone, the axis of cone can move back and forth relative to frame；
Numerical control load-bearing rotary table, the numerical control load-bearing rotary table are coaxially disposed with the axis of cone and are relatively fixed with the axis of cone；
Fore-set component, including the first pulley that is provided with of the first end of the fore-set and fore-set, the second end of the fore-set are provided with
Jacking block；The frame is provided with the first pilot hole for being used for being oriented to the fore-set；The fore-set slides and is located at the first pilot hole, institute
The conehead that first pulley is stated with the axis of cone contacts.
2. shell misalignment error according to claim 1 forces means for correcting, it is characterised in that also includes：
Cam, the cam are coaxially disposed with the axis of cone and are synchronized with the movement with the axis of cone；
Support component, the support component include support block and support column, and the support block is located at the first end of the support column,
Second end of the support column is provided with second pulley；The corresponding support column frame is provided with the second pilot hole, the support column
Slip is located at second pilot hole；The lateral surface of the cam is that bus rotates the surfaces of revolution to be formed；The second pulley with
The lateral surface of the cam is in contact；When the cam is synchronized with the movement with the axis of cone, in the same time, the support column is outside
Mobile distance is more than the distance that the fore-set is displaced outwardly.
3. shell misalignment error according to claim 1 forces means for correcting, it is characterised in that also including hydraulic pressure
The piston rod of cylinder, the axis of cone and cam and the hydraulic cylinder is coaxial and interfixes.
4. shell misalignment error according to claim 2 forces means for correcting, it is characterised in that described first is oriented to
The first guide sleeve and the second guide sleeve are fixed with respectively in hole and second pilot hole.
5. shell misalignment error according to claim 2 forces means for correcting, it is characterised in that
The lateral surface at the second end of the fore-set is provided with the first pressing plate, and the first spring, first bullet are arranged with outside the fore-set
Spring pressing is between the frame of first pressing plate and the first pilot hole side；
The lateral surface at the second end of the support column is provided with the second pressing plate, is arranged with second spring outside the support column, and described the
Two spring compressions are between the frame of second pressing plate and the second pilot hole side.
6. shell misalignment error according to claim 2 forces means for correcting, it is characterised in that including four sets of fore-sets
Component and three sets of support column assemblies.
7. shell misalignment error according to claim 2 forces means for correcting, it is characterised in that the support column and
The structure of the fore-set is identical, is specially：Including with an open hollow body of rod, sliding block and connecting rod；The sliding block can
The inner chamber for being slidably located at the body of rod is resetted, the connecting rod is removably mounted on the sliding block；The support block or
Jacking block removably interfixes with the connecting rod.
8. shell misalignment error according to claim 1 or 2 forces means for correcting, it is characterised in that the frame
Bottom be provided with height-adjustable dolly.
9. shell misalignment error according to claim 2 forces means for correcting, it is characterised in that the axis of cone includes
Conehead, the conehead are provided with an axis of guide, and the frame corresponds to the axis of guide and is provided with the 3rd pilot hole；The axis of guide is slided and is located at
3rd pilot hole.
10. shell misalignment error according to claim 2 forces means for correcting, it is characterised in that the jacking block can
The fore-set is releasably arranged on, the support block is removably mounted on support column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720175307.4U CN206731847U (en) | 2017-02-24 | 2017-02-24 | A kind of shell misalignment error forces means for correcting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720175307.4U CN206731847U (en) | 2017-02-24 | 2017-02-24 | A kind of shell misalignment error forces means for correcting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206731847U true CN206731847U (en) | 2017-12-12 |
Family
ID=60556455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720175307.4U Withdrawn - After Issue CN206731847U (en) | 2017-02-24 | 2017-02-24 | A kind of shell misalignment error forces means for correcting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206731847U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106925628A (en) * | 2017-02-24 | 2017-07-07 | 中海油能源发展股份有限公司 | A kind of shell misalignment error forces means for correcting |
| CN108907599A (en) * | 2018-07-31 | 2018-11-30 | 河南工学院 | Automatic welding device is used in a kind of machining |
-
2017
- 2017-02-24 CN CN201720175307.4U patent/CN206731847U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106925628A (en) * | 2017-02-24 | 2017-07-07 | 中海油能源发展股份有限公司 | A kind of shell misalignment error forces means for correcting |
| CN106925628B (en) * | 2017-02-24 | 2019-06-07 | 中海油能源发展股份有限公司 | A kind of shell misalignment error pressure means for correcting |
| CN108907599A (en) * | 2018-07-31 | 2018-11-30 | 河南工学院 | Automatic welding device is used in a kind of machining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171212 Effective date of abandoning: 20190607 |