CN111020130A - Thin-wall cylinder deformation-preventing inner support tool - Google Patents
Thin-wall cylinder deformation-preventing inner support tool Download PDFInfo
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- CN111020130A CN111020130A CN201911348536.1A CN201911348536A CN111020130A CN 111020130 A CN111020130 A CN 111020130A CN 201911348536 A CN201911348536 A CN 201911348536A CN 111020130 A CN111020130 A CN 111020130A
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- support
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- split arc
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- arc support
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Optics & Photonics (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
A thin-wall cylinder deformation-preventing inner support tool is characterized in that a square head on a rotating rod of a support disc is matched with a square hole in the center of the support disc, so that the circumferential movement of a support fillet on the support disc in a depth gradually-changing groove on an inner profile surface of a split arc support is realized; the split arc support moves in the circumferential diameter direction under the interaction of the split arc support guide frame and the guide groove on the surface of one side of the split arc support. When the supporting fillet rotates past the gradual groove inflection point of the depth of the inner profile of the split arc support, the outer profile of the split arc support is tightly attached to the inner profile of the cylinder, and the cylinder is supported by the rigidity to provide enough rigidity for the thin-wall cylinder, so that the thin-wall cylinder cannot deform in the thermal processing processes of welding of parts on the outer surface, integral annealing and the like, and the roundness index of the thin-wall cylinder after thermal processing meets the design requirement and achieves the purpose of deformation prevention.
Description
Technical Field
The invention relates to the technical field of hot working tool devices. In particular to a deformation-preventing tool applied to the welding of parts on the outer surface of a thin-wall cylinder and the integral heat treatment of the thin-wall cylinder.
Background
The metal shell of the solid rocket engine is a thin-wall weak rigid structure so as to reduce the passive weight to the maximum extent. According to the overall requirement, a large number of external parts are designed on the outer surface of the metal shell, the external parts are welded on the outer surface of the metal shell, and annealing treatment is needed to ensure the forming quality of the inside of a welding seam after welding. In the process, the external parts are shrunk and deformed during welding, the welding stress and the cylinder spinning stress are released during annealing of the shell, so that the cylinder of the shell is deformed, and finally, the roundness of the metal shell cylinder cannot meet the requirement of product precision.
Patent CN206355652U discloses a form and position tolerance control jig for thin-walled tubes, which is mainly characterized in that the designed inner circle supporting tool acts on a slide block through a transmission thread on a transmission conical disc, so that the slide block moves in the radial direction, thereby achieving the purpose of supporting the thin-walled tubes into circles and reducing deformation in the machining process. However, the tool utilizing the thread transmission is not suitable for being used in the hot working process, and particularly, the thread per se can deform in the integral furnace-entering heat treatment process, so that the tool is extremely difficult to take out of the thin-walled tube after the heat treatment. Patent CN109366052A discloses a telescopic internal stay frock, and its leading feature utilizes the double helix structure at frock both ends, makes the backup pad laminating at frock both ends to drum surface realize the support circle to the drum. However, the thread structure adopted by the tool is easy to deform in the heat treatment process, so that the tool is difficult to disassemble.
Disclosure of Invention
In order to overcome the defect that the tool is difficult to disassemble due to deformation generated in the heat treatment process in the prior art, the invention provides an anti-deformation inner support tool for a thin-wall cylinder.
The split arc support comprises a support disc rotating rod, a split arc support guide frame, a support disc and a split arc support. Wherein the circular tube of the supporting disk rotating rod is inserted into the split arc support guide frame, and the vertical plate at one section of the supporting disk rotating rod is positioned outside the end fixing plate of the split arc support guide frame. The supporting disk is sleeved on the square head at the other end of the rotating rod of the supporting disk. The split arc support is provided with 4 blocks which are respectively clamped on the support round angle of the support disc.
One end of the rotating rod body of the supporting disc rotating rod is provided with a square end plate, and the end head of the other end of the rotating rod body of the supporting disc rotating rod is a square head. The surface of the end plate is provided with a pair of mutually parallel vertical plates which axially protrude, and the geometric center of each vertical plate is provided with a through hole for the penetration of a steel pipe.
The split arc support guide frame comprises a support ring, a guide frame, an end fixing plate and a process plate; the lower surface of the end fixing plate is fixed on the upper end surfaces of the four guide frames, and the four guide frames are uniformly distributed along the outer edges of the lower surfaces of the end fixing plate; four process plates are uniformly distributed on the lower surface of the fixed plate, and the process plates are respectively in one-to-one correspondence with the positions of the guide frames; two support rings are distributed up and down between the four guide frames, and each guide frame is fixed on the outer circumferential surfaces of the two support rings; during assembly, the end heads of the guide frames extend into the guide grooves of the split arc supports.
The four guide frames are uniformly distributed along the outer edge of the lower surface of the end fixing plate; the surface of the width of each guide frame is perpendicular to the outer circumferential surface of the support ring at the position.
The center of the supporting disk is provided with a square through hole, and the center of the square through hole is coincided with the center of the supporting disk. 4 supporting fillets are uniformly distributed on the circumferential surface of the disc, the root arc length of each supporting fillet is 45.7mm, the radius of the top arc is 5mm, and the radial height is 13 mm.
The split arc support is in a block shape. One surface of the split arc support is an arc surface, and the other surface corresponding to the arc surface is a plane. The arc is consistent with the inner arc of the supported cylinder, and the central angle is 74 degrees. A groove with gradually changed depth is processed on the split arc support plane, the length of the groove is two cambered surfaces towards the depth, the radius of one cambered surface is 75mm, and the radius of the other cambered surface is 64 mm; the two cambered surfaces are connected through a transition ring with the radius of 4.5 mm. The transition ring is located the half department of this recess length direction, the width of recess is 40 mm. A guide groove is arranged on one side surface of the split arc support and is used as a guide frame installation groove.
The invention realizes the circumferential movement of the support fillet on the support disc in the depth gradually-changing groove on the inner profile surface of the split arc support by utilizing the mutual matching of the square head on the rotating rod of the support disc and the square hole at the center of the support disc; the split arc support moves in the circumferential diameter direction under the interaction of the split arc support guide frame and the guide groove on the surface of one side of the split arc support. When the device is used, the rod-shaped tool is extended into the round hole on the vertical plate of the rotating rod of the supporting disk, the rotating rod of the supporting disk is rotated, and the supporting disk starts to rotate under the drive of the square head of the rotating rod of the supporting disk; a rod-shaped tool penetrates through a middle round hole of the arc support guide frame process plate, and a force opposite to the rotating direction of the rotating rod of the support disc is applied, so that the support fillet of the support disc moves from the shallow part of the deep part of the split arc support depth gradual change groove depth. And radial acting force is applied to the split arc support while moving. This force causes the split sprag to move in the direction of the cylinder diameter within the confines of the guide. When the supporting fillet rotates past the gradual groove inflection point of the depth of the inner profile of the split arc support, the outer profile of the split arc support is tightly attached to the inner profile of the cylinder, and the cylinder is rigidly supported. The rounding function can provide enough rigidity for the thin-wall cylinder, so that the thin-wall cylinder cannot deform in the thermal processing processes of welding, integral annealing and the like of parts on the outer surface, the roundness index of the thin-wall cylinder after thermal processing meets the design requirement, and the deformation prevention purpose is achieved.
The deformation-preventing device is used for deformation prevention in the processes of welding and annealing of external parts of the metal thin-wall cylinder with the wall thickness of less than 2mm, can ensure that the roundness of the cylinder is still within the range of product requirements after the processes of welding the external parts and annealing, and meets the design requirements.
Drawings
FIG. 1 is a schematic structural view of the present invention; wherein 1a is a right side view, 1b is a front view, and 1c is a sectional view taken along A-A in 1 b.
Fig. 2 is an assembly schematic of the present invention.
Fig. 3 is a schematic view of a supporting disk rotating lever mechanism, wherein 3a is a front view, 3b is a left side view, 3c is a top view, and 3d is an isometric view.
FIG. 4 is a schematic structural view of a split arc support guide frame; wherein 4a is a front view, 4b is a bottom view, 4c is a top view, and 4d is an isometric view.
FIG. 5 is a schematic view of a split arc support structure; wherein 5a is a front view, 5b is a bottom view, 5c is a sectional view taken along line A-A in 5b, and 5d is an isometric view.
FIG. 6 is a schematic view of a support disk configuration; where 6a is a front view, 6b is a top view and 6c is an isometric view.
In the figure: 1. a supporting disc rotating rod; 2. a split arc support guide frame; 3. a support disc; 4. a split arc support; 5. a square head; 6. a circular tube; 7. an end plate; 8. a vertical plate; 9. a support ring; 10. a guide frame; 11. an end fixing plate; 12. a process plate; 13. a guide groove; 14. a depth gradient groove; 15. and supporting the round corners.
Detailed Description
The embodiment is a thin-wall cylinder deformation-preventing inner support tool.
In the embodiment, the outer diameter of the thin-wall cylinder to be processed is phi 180mm, the wall thickness is 0.8mm, and the length of the cylinder is 600 mm. 8 external parts are uniformly distributed on the outer surfaces of the positions 100 mm and 200mm away from the end surface of the cylinder, the external parts are welded to the surface of the cylinder body through argon arc welding, and the cylinder body is subjected to integral furnace-entering annealing treatment after the welding is finished. The roundness of the cylinder is required to be not more than 0.5mm after welding and annealing. By using the tool, after the outer part of the thin-wall cylinder is welded and integrally annealed, the roundness of the cylinder is detected to be 0.3mm, and the requirement of the shape precision of the product design with the roundness not greater than 0.5mm is met.
The specific implementation process comprises the following steps:
this embodiment has made a deformation frock of preapring for an unfavorable turn of events to above-mentioned thin wall drum. Comprises a supporting disk rotating rod 1, a split arc support guide frame 2, a supporting disk 3 and a split arc support 4. Wherein the rod body of the supporting disk rotating rod 1 is inserted into the split arc support guide frame 2, and the vertical plate 8 at one end of the rod body is positioned outside the end fixing plate 11 of the split arc support guide frame. The supporting disk 3 is sleeved on the square head 5 at the other end of the rotating rod body of the supporting disk. The split arc support 4 is provided with 4 blocks which are respectively clamped on the support fillet 15 of the support disc 3.
The support disc rotating rod 1 is rod-shaped, the rod body of the support disc rotating rod is a circular tube 6, one end of the rod body is provided with a square end plate 7, the surface of the end plate is provided with a pair of vertical plates which axially protrude, and the two vertical plates are parallel to each other. The other end of the rod body is provided with a square head 5.
In this embodiment, the outer dimension of the square head 5 is 50mm × 50mm × 35 mm; the length of the round tube 6 is 620mm, and the outer diameter is 48 mm; the outer dimensions of the end plate 7 are 60mm x 10 mm. The external dimension of the vertical plate 8 is 60mm multiplied by 60mm, and the geometric center of the vertical plate is provided with a through hole for the penetration of a steel pipe.
The split arc support guide frame comprises a support ring 9, a guide frame 10, an end fixing plate 11 and a process plate 12. The lower surface of the end fixing plate 11 is fixed on the end surface of the top ends of the four guide frames 10, and the four guide frames are uniformly distributed along the outer edge of the lower surface of the end fixing plate; four process plates 12 are uniformly distributed on the upper surface of the fixed plate, and the process plates are respectively in one-to-one correspondence with the positions of the guide frames. Two support rings 9 are arranged up and down between the four guide frames, and each guide frame is welded on the outer circumferential surfaces of the two support rings, and the width surface of each support ring 9 is perpendicular to the outer circumferential surface of the support ring at the position. The guide frames 10 are four in number and have a rectangular cross section. During assembly, the end of each guide frame 10 extends into the guide groove 13 of each split arc support 4.
In this embodiment: the support ring 9 has an outer diameter of 130mm, an inner diameter of 75mm and an axial height of 6 mm. Each guide 10 has a length × width × thickness of 550mm × 50mm × 10 mm. The outer diameter of an end fixing plate 11 in the split arc support guide frame is 174mm, the inner diameter is 75mm, and the thickness is 10 mm; 4 lightening holes with the diameter of 40mm are uniformly distributed on the surface of the end fixing plate. The process plate 12 is a square plate with 50mm × 50mm, and a through hole for passing through a steel pipe is arranged at the geometric center of the process plate.
The center of the supporting disk 3 is provided with a square through hole, and the center of the square through hole is coincided with the center of the supporting disk. 4 supporting fillets 15 are uniformly distributed on the circumferential surface of the disc, the root arc length of each supporting fillet is 45.7mm, the radius of a top arc is 5mm, and the radial height is 13 mm. In this embodiment, the diameter of the support disk 3 is 120mm, and the side length of the central square through hole is 50mm × 50mm
The split arc support 4 is in a block shape. One surface of the split arc support is an arc surface, and the other surface corresponding to the arc surface is a plane. The arc is consistent with the inner arc of the supported cylinder, and the central angle is 74 degrees. A groove with gradually changed depth is processed on the split arc support plane, the length of the groove is two cambered surfaces towards the depth, the radius of one cambered surface is 75mm, and the radius of the other cambered surface is 64 mm; the two cambered surfaces are connected through a transition ring with the radius of 4.5 mm. The transition ring is located the half department of this recess length direction, the width of recess is 40 mm. A guide groove 13 is arranged on one side surface of the split arc support 4 and is used as a guide frame installation groove.
In this embodiment, the width of the split arc support is 80 mm; the radius of the cambered surface is 89.20mm, and the size of the guide groove is 40mm multiplied by 12mm multiplied by 10 mm.
Install earlier support disc 3 to 4 split arcs prop 4 inside recesses, four support fillets 15 on the support disc 3 are located split arc respectively and prop the darker one side of degree of depth gradual change groove 14, will support disc 3 and split arc prop 4 combinations and pack into and wait to process the drum inside, prop leading truck 2 with split arc according to end fixed plate 11 pack into the drum outside the direction of drum inside, leading truck 10 stretches into 4 split arcs and props the guide way 13 on top. The square head 5 of the support disc rotating rod 1 is inserted into the middle square hole of the support disc 3 from the central round hole of the end fixing plate 11 of the split arc support guide frame 2. Two tools such as steel pipes or wood rods are respectively inserted into the round holes of the vertical plate 8 and the process plate 12 to apply force in opposite directions, so that the support disc rotating rod 1 rotates relative to the split arc support guide frame 2. When the supporting disk rotating rod 1 drives the supporting disk 3 to rotate until the supporting round angle 15 reaches the round transition point in the depth gradually-changing groove 14 in the split arc support 4, the rotation is stopped. And taking out the supporting disc rotating rod 1 and the split arc support guide frame 2, and performing the processes of cylinder welding external parts and annealing. After the working procedure is finished, the supporting disc rotating rod 1 is rotated reversely according to the same mode, and the tool is taken out from the cylinder.
Claims (6)
1. A thin-wall cylinder deformation-preventing inner support tool is characterized by comprising a support disc rotating rod, a split arc support guide frame, a support disc and a split arc support; wherein the circular tube of the supporting disk rotating rod is inserted into the split arc support guide frame, and a vertical plate at one section of the supporting disk rotating rod is positioned outside an end fixing plate of the split arc support guide frame; the supporting disk is sleeved on the square head at the other end of the rotating rod of the supporting disk; the split arc support is provided with 4 blocks which are respectively clamped on the support round angle of the support disc.
2. The thin-walled cylinder deformation-preventing internal support tool as claimed in claim 1, wherein a square end plate is provided at one end of the rotating rod body of the supporting disc, and a square head is provided at the other end of the rotating rod body; the surface of the end plate is provided with a pair of mutually parallel vertical plates which axially protrude, and the geometric center of each vertical plate is provided with a through hole for the penetration of a steel pipe.
3. The thin-walled cylinder deformation-preventing inner support tool according to claim 1, wherein the split arc support guide frame comprises a support ring, a guide frame, an end fixing plate and a process plate; the lower surface of the end fixing plate is fixed on the upper end surfaces of the four guide frames, and the four guide frames are uniformly distributed along the outer edges of the lower surfaces of the end fixing plate; four process plates are uniformly distributed on the lower surface of the fixed plate, and the process plates are respectively in one-to-one correspondence with the positions of the guide frames; two support rings are distributed up and down between the four guide frames, and each guide frame is fixed on the outer circumferential surfaces of the two support rings; during assembly, the end heads of the guide frames extend into the guide grooves of the split arc supports.
4. The thin-walled cylinder deformation-preventing inner support tool according to claim 1, wherein the four guide frames are uniformly distributed along the outer edge of the lower surface of the end fixing plate; the surface of the width of each guide frame is perpendicular to the outer circumferential surface of the support ring at the position.
5. The deformation-preventing inner support tooling for the thin-walled cylinder as claimed in claim 1, wherein the center of the supporting disk is provided with a square through hole, and the center of the square through hole is coincided with the center of the supporting disk; 4 supporting fillets are uniformly distributed on the circumferential surface of the disc, the root arc length of each supporting fillet is 45.7mm, the radius of the top arc is 5mm, and the radial height is 13 mm.
6. The deformation-preventing internal support tooling for the thin-walled cylinder as claimed in claim 1, wherein the split arc support is block-shaped; one surface of the split arc support is an arc surface, and the other surface corresponding to the arc surface is a plane; the cambered surface is consistent with the inner cambered surface of the supported cylinder, and the central angle is 74 degrees; a groove with gradually changed depth is processed on the split arc support plane, the length of the groove is two cambered surfaces towards the depth, the radius of one cambered surface is 75mm, and the radius of the other cambered surface is 64 mm; the two cambered surfaces are connected through a transition ring with the radius of 4.5 mm; the transition ring is positioned at one half of the length direction of the groove, and the width of the groove is 40 mm; a guide groove is arranged on one side surface of the split arc support and is used as a guide frame installation groove.
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| CN201911348536.1A CN111020130B (en) | 2019-12-24 | 2019-12-24 | Thin-wall cylinder deformation-preventing inner support tool |
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| CN201911348536.1A CN111020130B (en) | 2019-12-24 | 2019-12-24 | Thin-wall cylinder deformation-preventing inner support tool |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531294A (en) * | 2020-04-30 | 2020-08-14 | 中核北方核燃料元件有限公司 | Pressurized water reactor annular fuel assembly skeleton welding dabber supports frock |
| CN112296577A (en) * | 2020-10-27 | 2021-02-02 | 中国核动力研究设计院 | Welding tool for square tubes of spent fuel storage grillwork |
| CN112440134A (en) * | 2020-11-13 | 2021-03-05 | 北京新风航天装备有限公司 | Intelligent internal stay tool equipment of thin wall type |
| CN114211189A (en) * | 2021-12-30 | 2022-03-22 | 武汉武船重型装备工程有限责任公司 | Method for machining high-precision inner molded surface |
| CN114622085A (en) * | 2022-02-15 | 2022-06-14 | 埃斯科特钢有限公司 | Wire-hooking prevention annealing material rack of bell-type furnace |
| CN114871707A (en) * | 2022-06-07 | 2022-08-09 | 江苏森隆环保科技有限公司 | Bag cage for pleated filter bag and processing technology thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201871885U (en) * | 2010-11-25 | 2011-06-22 | 北京特种机械研究所 | Adjustable tensioning and supporting device |
| CN105817825A (en) * | 2015-01-05 | 2016-08-03 | 南漳县华宸制管有限公司 | Stainless steel tubing weld line cracking repair welding support device |
| CN205764672U (en) * | 2016-05-16 | 2016-12-07 | 天津市华彪金属制品有限公司 | Interior pipe clamp |
| CN106312320A (en) * | 2016-09-27 | 2017-01-11 | 莆田学院 | Thin-walled cylinder anti-deformation clamp and laser cladding machine for repairing cracks |
| CN207953062U (en) * | 2018-03-05 | 2018-10-12 | 山西阳煤化工机械（集团）有限公司 | Flexible cross cylinder body supporting device |
| CN208663551U (en) * | 2018-06-12 | 2019-03-29 | 四川大成涡轮设备再制造技术有限公司 | A kind of modified blower reparation thin-walled cylinder fixture |
-
2019
- 2019-12-24 CN CN201911348536.1A patent/CN111020130B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201871885U (en) * | 2010-11-25 | 2011-06-22 | 北京特种机械研究所 | Adjustable tensioning and supporting device |
| CN105817825A (en) * | 2015-01-05 | 2016-08-03 | 南漳县华宸制管有限公司 | Stainless steel tubing weld line cracking repair welding support device |
| CN205764672U (en) * | 2016-05-16 | 2016-12-07 | 天津市华彪金属制品有限公司 | Interior pipe clamp |
| CN106312320A (en) * | 2016-09-27 | 2017-01-11 | 莆田学院 | Thin-walled cylinder anti-deformation clamp and laser cladding machine for repairing cracks |
| CN106312320B (en) * | 2016-09-27 | 2018-07-24 | 莆田学院 | A kind of thin-walled cylinder anti-deformation fixture and the laser melting coating machine for repairing crack |
| CN207953062U (en) * | 2018-03-05 | 2018-10-12 | 山西阳煤化工机械（集团）有限公司 | Flexible cross cylinder body supporting device |
| CN208663551U (en) * | 2018-06-12 | 2019-03-29 | 四川大成涡轮设备再制造技术有限公司 | A kind of modified blower reparation thin-walled cylinder fixture |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531294A (en) * | 2020-04-30 | 2020-08-14 | 中核北方核燃料元件有限公司 | Pressurized water reactor annular fuel assembly skeleton welding dabber supports frock |
| CN112296577A (en) * | 2020-10-27 | 2021-02-02 | 中国核动力研究设计院 | Welding tool for square tubes of spent fuel storage grillwork |
| CN112440134A (en) * | 2020-11-13 | 2021-03-05 | 北京新风航天装备有限公司 | Intelligent internal stay tool equipment of thin wall type |
| CN112440134B (en) * | 2020-11-13 | 2022-05-27 | 北京新风航天装备有限公司 | Intelligent internal stay tool equipment of thin wall type |
| CN114211189A (en) * | 2021-12-30 | 2022-03-22 | 武汉武船重型装备工程有限责任公司 | Method for machining high-precision inner molded surface |
| CN114622085A (en) * | 2022-02-15 | 2022-06-14 | 埃斯科特钢有限公司 | Wire-hooking prevention annealing material rack of bell-type furnace |
| CN114622085B (en) * | 2022-02-15 | 2024-01-05 | 埃斯科特钢有限公司 | Prevent colluding line bell-type furnace annealing work or material rest |
| CN114871707A (en) * | 2022-06-07 | 2022-08-09 | 江苏森隆环保科技有限公司 | Bag cage for pleated filter bag and processing technology thereof |
| CN114871707B (en) * | 2022-06-07 | 2023-12-19 | 江苏森隆环保科技有限公司 | Bag cage for pleated filter bag and processing technology thereof |
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| CN111020130B (en) | 2022-05-17 |
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