CN211192851U - Drum shell ring expansion device - Google Patents
Drum shell ring expansion device Download PDFInfo
- Publication number
- CN211192851U CN211192851U CN201922481261.0U CN201922481261U CN211192851U CN 211192851 U CN211192851 U CN 211192851U CN 201922481261 U CN201922481261 U CN 201922481261U CN 211192851 U CN211192851 U CN 211192851U
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- CN
- China
- Prior art keywords
- backing plate
- ring
- permanent
- plate
- drive screw
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- 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.)
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- 238000006049 ring expansion reaction Methods 0.000 title claims description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000003466 welding Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Abstract
The utility model relates to a barrel shell ring piston ring device. Comprises an inner ring body, an outer ring body, a fixed clapboard, a transmission screw, a fixed thread sleeve, a permanent base plate and a temporary base plate; the fixed baffle welds between interior ring member and outer ring member to constitute the support body of piston ring device, thereby drive screw passes through helicitic texture and installs and constitute one set of shoring mechanism in the fixed thread sleeve, the shoring mechanism sets up eight at least sets, evenly arrange on supporting the support body circumference, permanent backing plate is connected to drive screw one end outwards, drive screw one end inwards is provided with the rotatory hole that is used for installing the handle, interim backing plate sets up between permanent backing plate and barrel, outwards screw out through rotatory drive screw, drive permanent backing plate and the outside tight shell ring that rises of interim backing plate. The utility model has the advantages of easy material acquisition, simple structure, easy manufacture, convenient operation and strong practicability; easy to assemble and disassemble, and does not damage the parent material of the main body.
Description
Technical Field
The utility model relates to a pressure vessel barrel construction technical field specifically is a barrel shell ring expansion ring device that is used for barrel to fold mouthful shape of preapring for an unfavorable turn of events.
Background
In the manufacturing process of the large-sized pressure container, the whole cylinder body is divided into a plurality of cylinder sections. After the cylinder sections are welded into a whole circle, deformation caused by the influence of factors such as turning over, transportation, heat treatment and the like in the construction process can not be avoided though rounding; in order to prevent the shell ring from deforming, the conventional method is to weld the m-shaped supports with the inner wall of the shell ring, cut off the inner m-shaped supports after the whole shell body is folded, and then cut off and polish the roots left on the inner surface of the shell body.
The use of a mitre-shaped support or similar welding tool can cause the following problems:
(1) not only is the parent metal easy to be damaged, but also the local use performance of the parent metal is reduced;
(2) the auxiliary working time is consumed much, so that the project cost is increased;
(3) the mounting, welding and dismounting of the support in the shape of a Chinese character 'mi' can also cause deformation influence on the joint of the shell ring;
(4) due to the small supporting area, ridge deformation is generated after the shell ring seam welding.
Aiming at the quality process control of a large-sized pressure container in the whole manufacturing process and the pertinence requirement of an owner, an anti-deformation fixing device which can not only ensure the construction quality but also avoid the problems needs to be developed, and the existing welding tool can not meet the requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem to provide an efficient, install and remove easily, prevent that the shape is effectual, repeatedly usable, do not hinder the barrel shell ring expansion ring device of main part parent metal again, the device is applicable to the shell ring and takes shape, stands up, transports, heat treatment, shell ring fold the welding etc. in-process entirely.
The utility model provides a problem, the technical scheme who adopts is:
a cylinder shell ring expansion ring device comprises an inner ring body, an outer ring body, a fixed partition plate, a transmission screw, a fixed threaded sleeve, a permanent base plate and a temporary base plate; the method is characterized in that: the fixed baffle welds between interior ring member and outer ring member to constitute the support body of piston ring device, thereby drive screw passes through helicitic texture and installs and constitute one set of shoring mechanism in the fixed thread sleeve, the shoring mechanism sets up eight at least sets, evenly arrange on supporting the support body circumference, permanent backing plate is connected to drive screw one end outwards, drive screw one end inwards is provided with the rotatory hole that is used for installing the handle, interim backing plate sets up between permanent backing plate and barrel, outwards screw out through rotatory drive screw, drive permanent backing plate and the outside tight shell ring that rises of interim backing plate.
Adopt above-mentioned technical scheme the utility model discloses, compare with prior art, its outstanding characteristics are:
① has easily available material, simple structure, easy manufacture, convenient operation and strong practicability;
② is easy to assemble and disassemble, and does not damage the parent material of the main body;
③, the stress area of the inner wall of the cylinder section is large, the deformation prevention effect in the whole construction process is good, and the ridged deformation after girth welding can be really prevented;
④ the device can also adjust the ovality of the joint of the shell section;
⑤ can be applied to pressure vessel sections with different diameters;
⑥ the device can be used permanently, and the supporting radius of the shell section can be adjusted by adding a temporary backing plate.
Preferably, the present invention further provides:
the transmission screw rod is connected with the fixed sleeve through a trapezoidal thread structure.
The permanent backing plate and the temporary backing plate are arc plates matched with the cylinder body.
A lifting lug seat plate is welded between the inner ring body and the outer ring body, and lifting lugs used for lifting and supporting the frame body are welded on the lifting lug seat plate.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic sectional view A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of B-B of FIG. 1;
FIG. 4 is a schematic view of a portion of the enlarged structure of A in FIG. 1;
in the figure: a drive screw 1; fixing the threaded sleeve 2; an inner ring body 3; an outer ring body 4; a lifting lug seat plate 5; a lifting lug 6; a permanent shim plate 7; a temporary tie plate 8; the partition 9 is fixed.
The specific implementation mode is as follows:
the invention will be further described with reference to the following examples, which are intended only for better understanding of the invention and therefore do not limit the scope of the invention.
Referring to fig. 1, 2, 3 and 4, the cylinder shell ring expansion device comprises an inner ring body 3, an outer ring body 4, a fixed partition plate 9, a transmission screw rod 1, a fixed threaded sleeve 2, a permanent cushion plate 7 and a temporary cushion plate 8; ring body 3 and outer ring body 4 between the setting of fixed stop 9, ring body 3 in, outer ring body 4, fixed stop 9 welds as an organic wholely, thereby constitute the support body of piston ring device, thereby drive screw 1 passes through trapezoidal thread structural installation and constitutes one set of shoring mechanism in fixed thread sleeve 2, shoring mechanism sets up eight sets, evenly arrange on supporting the support body circumference, permanent backing plate 7 is connected to drive screw 1 one end outwards, drive screw 1 one end inwards is provided with the rotatory hole that is used for installing the handle, interim backing plate 8 sets up between permanent backing plate 7 and barrel, outwards screw out through rotatory drive screw 1, drive permanent backing plate 7 and interim backing plate 8 outwards tight shell ring that rises.
The permanent backing plate 7 and the temporary backing plate 8 are both arc plates which are adaptive to the cylinder body.
Still weld between inner ring body 3 and the outer ring body 4 and have lug bedplate 5, the welding has four lugs 6 that are used for hoist and mount support frame body on lug bedplate 5, symmetrical arrangement.
The transmission screw 1: turning a trapezoidal external thread on No. 45 quenched and tempered steel;
fixing the threaded sleeve 2: 45# quenched and tempered steel, turning trapezoidal internal threads;
the permanent liner plate 7 is made of a steel plate with the thickness of 30 mm, the material quality is Q345B, and the specification is 200 mm, × 200 mm;
the temporary setting plate 8: the steel tube is made of a steel plate with the thickness of 20 mm, and is bent according to the inner diameter of the tube section, and the material is Q345B.
The using method comprises the following steps:
after the shell ring is formed, vertically placing a support frame body of the piston ring device, horizontally hoisting the support frame body into the butt joint of the shell ring, adjusting the piston ring device to be in a horizontal state, inserting a temporary handle into a rotating hole at one end of a transmission screw rod 1, and rotating the temporary handle clockwise to enable the transmission screw rod 1 to be screwed out to drive a permanent base plate 7 and a temporary base plate 8 to be expanded outwards; by rotating the temporary handle anticlockwise, the transmission screw rod 1 is screwed inwards to drive the permanent backing plate 7 and the temporary backing plate 8 to retract inwards; the eight sets of transmission screws 1 are simultaneously screwed out outwards, the temporary backing plate 8 is tightly attached to the inner wall of the cylindrical shell section, so that the cylindrical shell section can be tensioned, the inner diameter of the cylindrical shell section can be monitored at any time during screwing out, and the ovality of the cylindrical shell section at the joint is ensured; when the transmission screw 1 is screwed out, the screwing-out distance of the transmission screw 1 on the opposite side is kept consistent as much as possible; when the piston ring device is dismounted, the transmission screw 1 can be taken away from the temporary backing plate 8 and separated from the inner wall of the cylinder section only by rotating the temporary handle anticlockwise.
The utility model has the advantages of easy material acquisition, simple structure, easy manufacture, convenient operation and strong practicability; the assembly and disassembly are easy, and the main body parent metal is not damaged; the stressed area of the inner wall of the shell ring is large, the deformation prevention effect in the whole construction process is good, and the ridge-shaped deformation after girth welding can be really prevented; the device can also adjust the ovality of the joint of the shell ring; the device can be suitable for pressure vessel shell sections with different diameters; the device can be used permanently, and the supporting radius of the shell ring is adjusted by additionally arranging a temporary base plate; the utility model is not only suitable for installation in the horizontal direction, but also suitable for installation in the vertical direction; the method is suitable for the full-sequence processes of shell ring forming, turning over, transportation, heat treatment, shell ring folding welding and the like, not only can the barrel be not damaged, but also the manufacturing precision can be ensured.
The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent variations made by using the contents of the specification and the drawings are included in the scope of the present invention.
Claims (4)
1. A cylinder shell ring expansion ring device comprises an inner ring body, an outer ring body, a fixed partition plate, a transmission screw, a fixed threaded sleeve, a permanent base plate and a temporary base plate; the method is characterized in that: the fixed baffle welds between interior ring member and outer ring member to constitute the support body of piston ring device, thereby drive screw passes through helicitic texture and installs and constitute one set of shoring mechanism in the fixed thread sleeve, the shoring mechanism sets up eight at least sets, evenly arrange on supporting the support body circumference, permanent backing plate is connected to drive screw one end outwards, drive screw one end inwards is provided with the rotatory hole that is used for installing the handle, interim backing plate sets up between permanent backing plate and barrel, outwards screw out through rotatory drive screw, drive permanent backing plate and the outside tight shell ring that rises of interim backing plate.
2. The cylinder shell ring expansion device of claim 1, wherein: the transmission screw rod is connected with the fixed sleeve through a trapezoidal thread structure.
3. The cylinder shell ring expansion device of claim 1, wherein: the permanent backing plate and the temporary backing plate are arc plates matched with the cylinder body.
4. The cylinder shell ring expansion device of claim 1, wherein: a lifting lug seat plate is welded between the inner ring body and the outer ring body, and lifting lugs used for lifting and supporting the frame body are welded on the lifting lug seat plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922481261.0U CN211192851U (en) | 2019-12-31 | 2019-12-31 | Drum shell ring expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922481261.0U CN211192851U (en) | 2019-12-31 | 2019-12-31 | Drum shell ring expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211192851U true CN211192851U (en) | 2020-08-07 |
Family
ID=71884620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922481261.0U Active CN211192851U (en) | 2019-12-31 | 2019-12-31 | Drum shell ring expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211192851U (en) |
-
2019
- 2019-12-31 CN CN201922481261.0U patent/CN211192851U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cylinder section expansion ring device Effective date of registration: 20231201 Granted publication date: 20200807 Pledgee: China Construction Bank Corporation Huludao Branch Pledgor: Liaoning Shunda Machinery Manufacturing (Group) Co.,Ltd. Registration number: Y2023980069051 |