CN111085572A - Barrel correction device and method - Google Patents
Barrel correction device and method Download PDFInfo
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- CN111085572A CN111085572A CN201911402966.7A CN201911402966A CN111085572A CN 111085572 A CN111085572 A CN 111085572A CN 201911402966 A CN201911402966 A CN 201911402966A CN 111085572 A CN111085572 A CN 111085572A
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- cylinder
- correction
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- ring body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/06—Removing local distortions
- B21D1/08—Removing local distortions of hollow bodies made from sheet metal
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention discloses a cylinder correction device and a method, wherein the cylinder correction device comprises: the first ring body is used for being placed in an inner cavity of the cylinder to be corrected; at least one correction unit comprising a plurality of correction assemblies distributed in an annular array outside the first annulus; the correction assembly includes: the fixed sleeve is fixedly arranged outside the first ring body, the axis of the fixed sleeve is vertical to the axis of the first ring body, and the fixed sleeve is communicated with the inner cavity of the first ring body; the correcting rod is slidably assembled in the fixed sleeve and can move along the axis of the fixed sleeve; the correcting part is arranged at one end, far away from the first ring body, of the correcting rod and can rotate around the axis of the correcting rod to move outwards to abut against the inner wall of the cylinder to be corrected. The invention aims to provide a cylinder correction device and a cylinder correction method, which can correct cylinders with various specifications and are simple and convenient to operate.
Description
Technical Field
The invention relates to the technical field of roundness correction equipment, in particular to a cylinder correction device and method.
Background
The barrel has the oval condition of barrel often after welding process finishes, often has the workman to get into the barrel inner chamber to the barrel and uses the jack to carry out the circularity correction, and the barrel adopts hydraulic ram plus the bracing piece when proofreaying and correct more, and it has the defect that the direction of proofreaying is single, the bracing piece can't repetitious usage.
In the prior art, the chinese patent publication No. CN102357565B discloses a hydraulic automatic correction machine for a cylinder, which comprises a fixed bottom platform, a portal frame, a cantilever beam, a hydraulic system, a mold cabinet and a control cabinet, a movable platform is arranged on the fixed bottom platform and provided with a driving mechanism, a tensioning mechanism and a centering mechanism are arranged on the movable platform, the portal frame stretches across the middle position of the fixed bottom platform, the portal frame is provided with a shape scanning sensor, a reverse supporting oil cylinder and a main oil cylinder I, one end of the cantilever beam is connected with the fixed bottom platform, the other end of the cantilever beam is arranged on the movable platform, and a main oil cylinder II and a roller are arranged at corresponding positions, the reverse supporting oil cylinder, the main oil cylinder I and the main oil cylinder II are respectively connected with a hydraulic system through pipelines, and the hydraulic system and the die cabinet are respectively connected with a control cabinet through pipelines. The correction of multiple specification barrel can be fully satisfied to this patent, however, its structure is complicated, and is with high costs.
Therefore, it is necessary to develop a calibration device which can perform comprehensive calibration on a plurality of cylinders with different specifications and has a simple structure and low cost.
Disclosure of Invention
In view of the defects in the prior art, the present invention aims to provide a cylinder calibration device and method, which can calibrate cylinders with various specifications and is simple and convenient to operate.
To achieve the above object, in a first aspect, the present invention provides a cylinder calibration device, including:
the first ring body is used for being placed in an inner cavity of the cylinder to be corrected;
at least one correction unit comprising a plurality of correction assemblies distributed in an annular array outside the first annulus; the correction assembly includes:
the fixing sleeve is fixedly arranged outside the first ring body, the axis of the fixing sleeve is perpendicular to the axis of the first ring body, and the fixing sleeve is communicated with the inner cavity of the first ring body;
-a correction rod slidingly assembled inside said fixed sleeve and movable along the axis of the fixed sleeve;
the correcting part is arranged at one end, far away from the first ring body, of the correcting rod and can rotate around the axis of the correcting rod to move outwards to abut against the inner wall of the cylinder to be corrected.
On the basis of the above technical scheme, the cylinder correcting device further comprises:
and the fixed sleeve is arranged on the second ring body in a penetrating way.
On the basis of the technical scheme, the correcting rod is a hollow rod piece.
On the basis of the technical scheme, the correction units are arranged in a plurality mode and are distributed at intervals along the axial direction of the first ring body.
On the basis of the technical scheme, the correction unit comprises eight correction components.
On the basis of the technical scheme, at least two first mounting holes are formed in the cylinder wall of the fixing sleeve, at least three second mounting holes matched with the first mounting holes are formed in the correcting rod, and the first mounting holes are fixedly connected with the second mounting holes through bolts.
In addition to the above-described aspect, the correction unit includes:
the cover plate is arranged at the end part of the correcting rod and forms an integral structure with the correcting rod, and a concave stepped hole is formed in the outer side of the cover plate;
the top support nut is clamped in the step hole;
and the top support bolt is connected with the top support nut and penetrates through the step hole.
In a second aspect, the present invention further provides a cylinder calibration method, including the following steps:
step S1: providing a cartridge calibration device as described above;
step S2: moving all the correcting rods to preset positions on the fixed sleeve, and preliminarily locking the correcting rods on the fixed sleeve;
step S3: placing the cylinder correction device in an inner cavity of a cylinder to be corrected;
step S4: and rotating the correcting part corresponding to the target position to be corrected to move outwards to the target position to be corrected, applying a force along the radial direction of the cylinder to be corrected to the inner wall of the cylinder to be corrected, and correcting the cylinder to be corrected.
On the basis of the technical scheme, at least two first mounting holes are formed in the cylinder wall of the fixed sleeve, and at least three second mounting holes are formed in the correcting rod; the specific steps of step S2 are:
according to the size of the cylinder to be corrected, aligning the second mounting holes matched on all the correcting rods and the first mounting holes on the fixed sleeve;
and preliminarily locking the fixing sleeve and the correcting rod through the aligned first mounting hole and second mounting hole by using a bolt.
On the basis of the technical scheme, the correcting part comprises a top support bolt, a top support nut and a cover plate which forms an integral structure with the correcting rod, and the top support nut is clamped in a concave step hole at the outer side of the cover plate and is connected with the top support bolt; the specific steps of step S4 are:
and rotating the top support bolt, wherein the top support bolt moves outwards along the axial direction of the correction rod until the top support bolt abuts against the target position to be corrected of the cylinder to be corrected and applies force along the radial direction of the cylinder to be corrected to the cylinder to be corrected so as to correct the cylinder to be corrected.
Compared with the prior art, the invention has the advantages that:
(1) according to the cylinder correction device provided by the invention, the plurality of correction assemblies are distributed in the outer ring array of the first ring body, and the cylinder correction device is placed in the inner cavity of the cylinder to be corrected, so that the cylinder to be corrected can be corrected from a plurality of directions. The invention has simple structure, can correct the specifications within a certain range, can be repeatedly used, is easy to replace after the correcting rod is damaged, and reduces the correcting cost.
(2) In the invention, the correcting part arranged at the end part of the correcting rod moves outwards to abut against and effectively apply force to the cylinder body to be corrected, thereby realizing the aim of correcting the cylinder body to be corrected.
(3) In the invention, the second ring body is sleeved outside the first ring body, so that stable and reliable support can be provided for the moving channel of the correcting rod; a plurality of groups of correction assemblies are arranged in the vertical direction, so that the integral correction of the cylinder to be corrected can be met; the fixed sleeve and the correcting rods are detachably connected by moving and fixing through hole pairs, so that the extending amount of each correcting rod on the fixed sleeve is convenient to keep, and roundness correction of the cylinders to be corrected with different diameters is guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of a barrel calibration device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a barrel calibration device in a calibration state according to an embodiment of the present invention;
FIG. 3 is a schematic end view of a cover plate according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
in the figure: 1. a first ring body; 2. a correction component; 21. fixing the sleeve; 210. a first mounting hole; 22. a correction lever; 220. a second mounting hole; 23. a correction unit; 231. a cover plate; 232. A jacking nut; 233. a jack bolt; 3. a second ring body; 4. and (5) a cylinder to be corrected.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Examples
Referring to fig. 1 to 2, an embodiment of the present invention provides a cylinder calibration device, including:
the first ring body 1 is used for being placed in an inner cavity of a cylinder 4 to be corrected;
at least one correction unit, wherein the correction unit comprises a plurality of correction components 2 distributed outside the first ring body 1 in an annular array; the correction assembly 2 comprises:
a fixing sleeve 21 fixed outside the first ring body 1, the axis of the fixing sleeve 21 being perpendicular to the axis of the first ring body 1, and the fixing sleeve 21 being in communication with the inner cavity of the first ring body 1;
a correction rod 22 slidingly assembled inside said fixed sleeve 21 and movable along the axis of the fixed sleeve 21;
a correcting part 23, which is arranged at one end of the correcting rod 22 far from the first ring body 1 and can rotate around the axis of the correcting rod 22 to move outwards to abut against the inner wall of the cylinder body 4 to be corrected.
The working principle of the cylinder correction device provided by the embodiment of the invention is as follows:
all the correction rods 22 are moved and fixed to the preset positions of the corresponding fixing sleeves 21, and when the correction rods 22 are located at the preset positions, the movement range of the correction part 23 can abut against and apply force to the cylinder 4 to be corrected; and then, the cylinder correction device is placed in the inner cavity of the cylinder 4 to be corrected, and the correction part 23 is used for moving outwards according to the target position to be corrected in the cylinder 4 to be corrected, so as to apply force along the radial direction of the cylinder 4 to be corrected to the cylinder 4 to be corrected, and realize the purpose of correcting the cylinder 4 to be corrected.
Preferably, the cylinder calibration device further comprises a second ring body 3 concentric with the first ring body 1, and the fixing sleeve 21 is arranged on the second ring body 3 in a penetrating manner. The first ring body 1 and the second ring body 3 support the fixing sleeve 21 together, so that the fixing sleeve 21 can be more stably arranged.
In particular, the correction rod 22 is a hollow rod. Because the solid rod piece has larger weight, the hollow rod piece only bears axial pressure in the correcting process, cannot be unstable, and has lighter weight.
Preferably, the correction unit has a plurality of correction units, and the plurality of correction units are distributed and arranged at intervals along the axial direction of the first ring body 1. Conventionally, the cylinder 4 to be corrected has a certain length, and the entire length of the cylinder 4 to be corrected can be corrected by using a plurality of correction units arranged at intervals along the axial direction of the first ring body 1.
In particular, the correction unit comprises eight correction assemblies 2.
Specifically, the wall of the fixed sleeve 21 is provided with at least two first mounting holes 210, the correction rod 22 is provided with at least three second mounting holes 220 configured with the first mounting holes 210, and the first mounting holes 210 are fixedly connected with the second mounting holes 220 through bolts. The connection mode of this embodiment is simple, and low in cost, and can be oriented quantitative removal the correcting lever 22 makes barrel correcting unit can adapt to the barrel that waits to rectify of multiple specification.
Referring to fig. 3 to 4, in particular, the correcting portion 23 includes a cover plate 231, a top bracing nut 232 and a top bracing bolt 233; the cover plate 231 is arranged at the end part of the correction rod 22 and forms an integral structure with the correction rod 22, and a concave stepped hole is arranged at the outer side of the cover plate 231; the top bracing nut 232 is clamped in the step hole; the top bracing bolt 233 is connected with the top bracing nut 232 and penetrates through the stepped hole. In this embodiment, the top-support bolt 233 is rotated by a wrench or other means to move the top-support bolt 233 outward along the axial direction of the correction rod 22 until the top-support bolt 233 abuts against the target position to be corrected of the cylinder 4 to be corrected and applies a force along the radial direction of the cylinder 4 to be corrected to the cylinder 4 to be corrected, so as to correct the cylinder 4 to be corrected.
The embodiment of the invention also provides a cylinder correction method, which comprises the following steps:
step S1: providing a cartridge calibration device as described above;
step S2: moving all the correcting rods 22 to preset positions on the fixed sleeve 21, and preliminarily locking the correcting rods 22 on the fixed sleeve 21;
step S3: placing the cylinder correction device in an inner cavity of a cylinder 4 to be corrected;
step S4: the correcting portion 23 corresponding to the target position to be corrected is rotated to move outward to the target position to be corrected which applies a force in the radial direction of the cylinder 4 to be corrected to the inner wall of the cylinder 4 to be corrected, to correct the cylinder 4 to be corrected.
In this embodiment, the cylinder 4 to be corrected is corrected from multiple directions, and the correction device is simple in structure, can correct specifications within a certain range, and can be repeatedly used.
Specifically, the wall of the fixed sleeve 21 is provided with at least two first mounting holes 210, and the correction rod 22 is provided with at least three second mounting holes 220; the specific steps of step S2 are:
according to the size of the cylinder 4 to be corrected, aligning the matched second mounting holes 220 on all the correcting rods 22 and the first mounting holes 210 on the fixed sleeve 21;
the fixing sleeve 21 and the correcting lever 22 are preliminarily locked by using a bolt through the aligned first and second mounting holes 210 and 220.
In this embodiment, the moving and fixing connection modes are simple, the correction rods 22 in multiple directions can be effectively controlled, the fixing sleeve 21 and the correction rods 22 are detachably connected through holes for moving and fixing, so that the extending amount of each correction rod 22 on the fixing sleeve 21 is kept, and the roundness correction of the cylinder 4 to be corrected is ensured.
Specifically, the correcting portion 23 includes a top bracing bolt 233, a top bracing nut 232, and a cover plate 231 integrally formed with the correcting rod 22, wherein the top bracing nut 232 is clamped in a recessed stepped hole at the outer side of the cover plate 231 and connected to the top bracing bolt 233; the specific steps of step S4 are:
the top bracing bolt 233 is rotated, and the top bracing bolt 233 moves outwards along the axial direction of the correction rod 22 until the top bracing bolt 233 abuts against the target position to be corrected of the cylinder 4 to be corrected and applies a force along the radial direction of the cylinder 4 to be corrected to the cylinder 4 to be corrected, so as to correct the cylinder 4 to be corrected.
The specific embodiment of the cylinder correction device used in the cylinder correction method provided in the embodiment of the present invention may refer to the cylinder correction device described above, and details are not repeated here.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. A barrel correction device, comprising:
the first ring body (1) is used for being placed in an inner cavity of the cylinder body (4) to be corrected;
at least one correction unit, wherein the correction unit comprises a plurality of correction components (2) distributed outside the first ring body (1) in an annular array; the correction assembly (2) comprises:
-a fixing sleeve (21) fixed outside the first ring body (1), the axis of the fixing sleeve (21) being perpendicular to the axis of the first ring body (1), and the fixing sleeve (21) being in communication with the inner cavity of the first ring body (1);
-a correction rod (22) slidingly assembled inside said fixed sleeve (21) and movable along the axis of the fixed sleeve (21);
-a correction portion (23) provided at an end of the correction rod (22) remote from the first ring body (1) and rotatable about an axis of the correction rod (22) to move outwardly against an inner wall of the cylinder (4) to be corrected.
2. The barrel correction device of claim 1, further comprising:
the second ring body (3) is concentric with the first ring body (1), and the fixed sleeve (21) penetrates through the second ring body (3).
3. A barrel correction device according to claim 1, characterized in that the correction rod (22) is a hollow rod.
4. A cylinder correction device according to claim 1, characterized in that the correction unit has a plurality of units, which are arranged at intervals in the axial direction of the first ring body (1).
5. A cylinder calibration device according to claim 1 or 4, characterized in that the calibration unit comprises eight calibration assemblies (2).
6. The cylinder correction device of claim 1, characterized in that the cylinder wall of the fixed sleeve (21) is provided with at least two first mounting holes (210), the correction rod (22) is provided with at least three second mounting holes (220) matched with the first mounting holes (210), and the first mounting holes (210) and the second mounting holes (220) are fixedly connected through bolts.
7. A cylinder correction device according to claim 1, characterized in that the correction portion (23) comprises:
a cover plate (231) which is arranged at the end part of the correcting rod (22) and forms an integral structure with the correcting rod (22), wherein a concave stepped hole is arranged at the outer side of the cover plate (231);
a top support nut (232) clamped in the stepped hole;
and the top bracing bolt (233) is connected with the top bracing nut (232) and penetrates through the stepped hole.
8. A barrel calibration method, comprising the steps of:
step S1: providing a barrel calibration device as claimed in any one of claims 1 to 7;
step S2: moving all the correcting rods (22) to preset positions on a fixed sleeve (21), and preliminarily locking the correcting rods (22) on the fixed sleeve (21);
step S3: placing the cylinder correction device in an inner cavity of a cylinder (4) to be corrected;
step S4: and rotating a correcting part (23) corresponding to the target position to be corrected to move outwards to the target position to be corrected, wherein the target position to be corrected applies force along the radial direction of the cylinder (4) to be corrected to the inner wall of the cylinder (4) to be corrected, so that the cylinder (4) to be corrected is corrected.
9. The cylinder calibration method according to claim 8, characterized in that the cylinder wall of the fixed sleeve (21) is provided with at least two first mounting holes (210), and the calibration rod (22) is provided with at least three second mounting holes (220); the specific steps of step S2 are:
according to the size of the cylinder (4) to be corrected, aligning the matched second mounting holes (220) on all the correcting rods (22) and the first mounting holes (210) on the fixed sleeve (21);
preliminarily locking the fixing sleeve (21) and the correcting lever (22) through the aligned first and second mounting holes (210, 220) using a plug.
10. The cylinder correction method according to claim 8, wherein the correction part (23) comprises a top bracing bolt (233), a top bracing nut (232), and a cover plate (231) which is integrated with the correction rod (22), the top bracing nut (232) is clamped in a step hole which is recessed at the outer side of the cover plate (231) and is connected with the top bracing bolt (233); the specific steps of step S4 are:
and rotating the top support bolt (233), wherein the top support bolt (233) moves outwards along the axial direction of the correction rod (22) until the top support bolt (233) abuts against the target position to be corrected of the cylinder body (4) to be corrected and applies a force along the radial direction of the cylinder body (4) to be corrected to the cylinder body (4) to be corrected so as to correct the cylinder body (4) to be corrected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911402966.7A CN111085572A (en) | 2019-12-30 | 2019-12-30 | Barrel correction device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911402966.7A CN111085572A (en) | 2019-12-30 | 2019-12-30 | Barrel correction device and method |
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| Publication Number | Publication Date |
|---|---|
| CN111085572A true CN111085572A (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911402966.7A Pending CN111085572A (en) | 2019-12-30 | 2019-12-30 | Barrel correction device and method |
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| CN (1) | CN111085572A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101543852A (en) * | 2009-05-08 | 2009-09-30 | 常州海杰冶金机械制造有限公司 | Cylinder roundness correcting device and correcting method thereof |
| CN201552212U (en) * | 2009-12-23 | 2010-08-18 | 中国有色（沈阳）冶金机械有限公司 | Cylinder roundness correcting and keeping device |
| KR20140106960A (en) * | 2013-02-27 | 2014-09-04 | 현대제철 주식회사 | Jig for correcting roundness of pipe |
| CN104190750A (en) * | 2014-08-13 | 2014-12-10 | 崇州广益机械制造有限公司 | Multi-purpose rotary roller flexible deformation correcting device provided with balancing device |
| CN204486509U (en) * | 2014-12-25 | 2015-07-22 | 渤海船舶重工有限责任公司 | The orthopedic supporting device of circular cylinder body |
| CN106002002A (en) * | 2016-05-06 | 2016-10-12 | 兰州兰石重型装备股份有限公司 | Thin-wall barrel body anti-deformation device adjustable in diameter |
| CN206296326U (en) * | 2016-12-16 | 2017-07-04 | 南通迪瓦特节能风机有限公司 | A kind of stack shell frock |
| CN206942293U (en) * | 2017-04-28 | 2018-01-30 | 国网山东省电力公司寿光市供电公司 | A kind of adjustable electric pole correcting device |
| CN209830089U (en) * | 2019-04-10 | 2019-12-24 | 南京三方化工设备监理有限公司 | Barrel correction telescopic device |
-
2019
- 2019-12-30 CN CN201911402966.7A patent/CN111085572A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101543852A (en) * | 2009-05-08 | 2009-09-30 | 常州海杰冶金机械制造有限公司 | Cylinder roundness correcting device and correcting method thereof |
| CN201552212U (en) * | 2009-12-23 | 2010-08-18 | 中国有色（沈阳）冶金机械有限公司 | Cylinder roundness correcting and keeping device |
| KR20140106960A (en) * | 2013-02-27 | 2014-09-04 | 현대제철 주식회사 | Jig for correcting roundness of pipe |
| CN104190750A (en) * | 2014-08-13 | 2014-12-10 | 崇州广益机械制造有限公司 | Multi-purpose rotary roller flexible deformation correcting device provided with balancing device |
| CN204486509U (en) * | 2014-12-25 | 2015-07-22 | 渤海船舶重工有限责任公司 | The orthopedic supporting device of circular cylinder body |
| CN106002002A (en) * | 2016-05-06 | 2016-10-12 | 兰州兰石重型装备股份有限公司 | Thin-wall barrel body anti-deformation device adjustable in diameter |
| CN206296326U (en) * | 2016-12-16 | 2017-07-04 | 南通迪瓦特节能风机有限公司 | A kind of stack shell frock |
| CN206942293U (en) * | 2017-04-28 | 2018-01-30 | 国网山东省电力公司寿光市供电公司 | A kind of adjustable electric pole correcting device |
| CN209830089U (en) * | 2019-04-10 | 2019-12-24 | 南京三方化工设备监理有限公司 | Barrel correction telescopic device |
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Application publication date: 20200501 |