CN106363310B - A kind of production method of roller frame part - Google Patents

A kind of production method of roller frame part Download PDF

Info

Publication number
CN106363310B
CN106363310B CN201610880088.XA CN201610880088A CN106363310B CN 106363310 B CN106363310 B CN 106363310B CN 201610880088 A CN201610880088 A CN 201610880088A CN 106363310 B CN106363310 B CN 106363310B
Authority
CN
China
Prior art keywords
cylinder
interior plate
welding
shaft
welded
Prior art date
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.)
Active
Application number
CN201610880088.XA
Other languages
Chinese (zh)
Other versions
CN106363310A (en
Inventor
王琼
姜志龙
华霖
王法斌
陈彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Marine Machinery Plant Co Ltd
Original Assignee
Wuhan Marine Machinery Plant Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan Marine Machinery Plant Co Ltd filed Critical Wuhan Marine Machinery Plant Co Ltd
Priority to CN201610880088.XA priority Critical patent/CN106363310B/en
Publication of CN106363310A publication Critical patent/CN106363310A/en
Application granted granted Critical
Publication of CN106363310B publication Critical patent/CN106363310B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention discloses a kind of production methods of roller frame part, belong to welding technology field.The roller frame part includes cylinder, annular slab, interior plate, outer panel, shaft, interior plate is equipped with the first mounting hole, outer panel is equipped with the second mounting hole, and the welding method includes: rotating assembly to be formed by welding in the inner wall of shaft and the first mounting hole, and shaft is vertical with interior plate;Annular slab is welded in the first end of cylinder, and annular slab is vertical with the axis of cylinder;Interior plate is welded on cylinder;Outer panel is installed on the end face of the second end of cylinder, and shaft is inserted into the second mounting hole, outer panel is welded with cylinder and shaft respectively.When in the present invention, in addition to welding cylinder and annular slab by the way of two-sided welding, need to complete part welding in cylinder, remaining weld seam in cylinder external welding, significantly improves the construction environment and operating condition of operator, improves the quality of weld seam.

Description

A kind of production method of roller frame part
Technical field
The present invention relates to welding technology fields, and in particular to a kind of production method of roller frame part.
Background technique
The mechanism for opening/closing of turnover door opening/closing system includes opening and closing driving device, pulley blocks, changed course pulley, pre-tightening apparatus etc.. Wherein, opening and closing driving device includes a kind of roller frame part, which is the important portion for opening and closing driving device load-bearing and transmission Part, the roller frame part need to bear biggish torque, therefore the requirement ratio when welding the roller frame part, to welded seam It is higher.
In general, the roller frame part includes cylinder, annular slab, interior plate, outer panel and shaft, wherein annular slab welding In cylinder, close to the first end face of cylinder;Interior plate is welded in cylinder, close to the second end face of cylinder;Outer panel welding In the second end face of cylinder, the middle part of interior plate and outer panel is equipped with through-hole, and shaft passes through the through-hole of interior plate and outer panel Afterwards, it is welded and fixed respectively with interior plate, outer panel, in the welding process of above-mentioned each component, in addition to the weldering of outer panel and cylinder Outside connecing, the mode that two-sided welding is generallyd use when welding between remaining part penetrates weld seam, is wanted with meeting the design of structural member It asks.
In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems:
When welding cylinder and other component by the way of two-sided welding, need operator respectively in cylinder and cylinder Weld seam is welded outside, when welding in cylinder, the mode due to generalling use gas shielded arc welding is welded, cannot in cylinder Ventilation leads to the dust accumulation that welding generates in cylinder, not only will affect the sight of operator, increase the difficulty of production, and The dust of accumulation can also bring harm to the health of operator.
Summary of the invention
In order to be easy to cause dust accumulation when solving and welding in cylinder, the sight and damage operator's body of operator are influenced The problem of body health, the embodiment of the invention provides a kind of production methods of roller frame part.The technical solution is as follows:
A kind of production method of roller frame part, the roller frame part include cylinder, annular slab, interior plate, outer panel, turn Axis, the interior plate are equipped with the first mounting hole for installing the shaft, and the outer panel is equipped with described for installing Second mounting hole of shaft, the production method include:
(1) shaft is installed in first mounting hole, by the inner wall of the shaft and first mounting hole Rotating assembly is formed by welding, and the shaft is vertical with the interior plate;
(2) annular slab is welded in the first end face of the cylinder, and the axis of the annular slab and the cylinder Line is vertical;
(3) rotating assembly being installed in the second end face of the cylinder, the interior plate is located in the cylinder, One end of the shaft is located at outside the cylinder, and the axis of the shaft is parallel with the axis of the cylinder, by the inside Plate is welded on the cylinder;
(4) outer panel is installed in the second end face of the cylinder, and the shaft is inserted into second peace It fills in hole, the outer panel is welded with the cylinder and the shaft respectively;
Wherein, the interior plate is welded outside the cylinder using the welding manner of single face welding and double face shaping in step (3) It is connected on the cylinder, the welding manner in step (4) using single face welding and double face shaping is outside the cylinder by the outside Plate and the shaft are welded;
The outer rim of the annular slab is equipped with the second groove, and in step (2), the production method includes:
The annular slab is mounted in the first end face of the cylinder, and the annular slab is perpendicular to the axis of the cylinder Line, first end face of second groove towards the cylinder;
The cylinder and the annular slab are welded from the back side of second groove in the cylinder;
Back chipping is carried out to the weld seam at second groove outside the cylinder and is welded full.
Specifically, the side of first mounting hole is equipped with the first groove, and step (1) includes:
The interior plate and the shaft are welded in the side equipped with first groove of the interior plate;
After 3~4 layers of welding, back chipping is carried out to the weld seam at first groove in the other side of the interior plate and is welded It is full;
The weld seam at first groove is welded again full.
More specifically, in step (1), the production method further include:
Before welding, the shaft and the interior plate are first preheated to 300 DEG C, and keep interlayer in the welding process Temperature >=250 DEG C.
More specifically, welding the interior plate and after the shaft 48 hours, between the interior plate and the shaft Weld seam carry out ultrasonic examination.
Specifically, in step (3), the production method includes:
In the interior plate towards the identical horse plate of welding at least three thickness on the side of the first end face of the cylinder, And the outer rim of the horse plate, on the first circumference, first circumference and the interior plate are concentric, and the half of first circumference Diameter is slightly larger than the radius of the interior plate, and the inner wall of the second end face of the cylinder is equipped with to be matched with the outer rim of the horse plate Positioning spigot.
Specifically, the one side edge of the interior plate towards the cylinder second end face is equipped with third groove, in step (3) in, the interior plate is welded on the cylinder includes:
Outside the cylinder, the interior plate is welded using the method for single face welding and double face shaping from the third groove Onto the cylinder.
Specifically, the interior plate is welded and after the cylinder 24 hours, between the interior plate and the cylinder Weld seam carries out ultrasonic examination.
Specifically, in step (4), include: by the outer panel and the barrel soldering
The outer panel is welded on the cylinder by the way of incomplete fusion outside the cylinder.
Specifically, the welded drum structural member by the way of full-argon gas shielded arc welding.
Technical solution provided in an embodiment of the present invention has the benefit that in roller frame part provided by the invention In manufacturing method, when in addition to welding cylinder and annular slab by the way of two-sided welding, operator is needed to enter complete in cylinder At part welding, remaining includes interior plate and cylinder, interior plate and shaft, outer panel and shaft, outer panel and cylinder Between weld seam in cylinder external welding, significantly improve the construction environment and operating condition of operator, improve the quality of weld seam.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only one embodiment of the present of invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is the flow chart of the production method of roller frame part provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of roller frame part provided in an embodiment of the present invention;
Fig. 3 is the schematic diagram of welding interior plate and shaft provided in an embodiment of the present invention;
Fig. 4 is the schematic diagram of welding cylinder and annular slab provided in an embodiment of the present invention;
Fig. 5 is the schematic diagram of welding rotating assembly and cylinder provided in an embodiment of the present invention;
Fig. 6 is the axial structural schematic diagram provided in an embodiment of the present invention installed after horse plate on interior plate;
Fig. 7 is the partial structural diagram of horse plate and positioning spigot provided in an embodiment of the present invention;
Fig. 8 is the schematic diagram provided in an embodiment of the present invention for welding outer panel with cylinder and shaft respectively.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail.
Fig. 1 is the flow chart of the production method of roller frame part provided in an embodiment of the present invention, which is suitable for The production of roller frame part as shown in Figure 2, the roller frame part include cylinder 1, annular slab 2, interior plate 3, outer panel 4, turn Axis 5, wherein interior plate 2 is located at one end of cylinder 1, and interior plate 3, outer panel 4, shaft 5 are located at the other end of cylinder 1, and shaft 5 is inserted On interior plate 3 and outer panel 4, and interior plate 3 is equipped with the first mounting hole for installing shaft 5, and outer panel 4 is equipped with For installing the second mounting hole of shaft 5, wherein cylinder 1, annular slab 2, interior plate 3, outer panel 4, the connection between shaft 5 Mode is to be welded and fixed, and in addition to the weld seam of cylinder 1 and outer panel 4 is other than part penetrates, remaining weld seam is required to weld completely Thoroughly, the mode of two-sided welding is generallyd use by remaining weld seam complete penetration, needs operator respectively cylinder 1 is outer and cylinder It is subjected in 1, due to be easy to causeing dust accumulation when welding in cylinder 1, influences sight and the damage behaviour of operator Author's health, the present invention provides a kind of production methods of roller frame part, and referring to Fig. 1, which includes:
Step 101: shaft being installed in the first mounting hole, shaft is formed by welding in the inner wall of shaft and the first mounting hole Component, and shaft is vertical with interior plate.
In the present embodiment, for shaft 5 using 35CrMo forging, the weldability of the material is poor, therefore in welding Before need to preheat welding material to guarantee welding effect, specifically, shaft 5 and interior plate are preheated to before welding 300 DEG C, it is also necessary to keep the temperature of interlayer to be not less than 250 DEG C in welding, it can be using the side of alumina silicate fibre cladding shaft Method keeps the temperature of interlayer, and the position for measuring interlayer temperature can be arranged in position of the distance to welding line 100mm.
As shown in figure 3, in the present embodiment, the side of the first mounting hole on interior plate 3 is equipped with the first groove a, the One groove a is arranged along the edge of the first mounting hole, and on interior plate 3 and the weld seam of shaft 5, and the angle of the first groove a is 45 °, for the welding of the T connector fillet weld between interior plate 3 and shaft 5, in a step 101, shaft 5 and first are installed Rotating assembly is formed by welding in the inner wall in hole
(1) in the side welding interior plate 3 equipped with the first groove a of interior plate 3 and the weld seam between shaft 5;
(2) after welding 3~4 layers, in the other side of interior plate 3, the sealing run to the first groove a carries out back chipping and welds completely, When welding each layer, needs to weld along weld seam circumferential direction prosposition, be soldered one layer and weld one layer again;
(3) weld seam of the first side groove a is welded again full.
The design of groove makes the weld seam between interior plate 3 and shaft 5 be easier to penetrate.
In the present embodiment, in order to ensure the quality of weld seam, interior plate 3 has been welded and after shaft 5,48 hours, to inside Weld seam between plate 3 and shaft 4 carries out 100% ultrasonic examination.
Step 102: annular slab being welded in the first end face of cylinder, and annular slab is vertical with the axis of cylinder.
As shown in figure 4, in the present embodiment, the outer rim of annular slab 2 is equipped with the second groove b, the second groove b and is located at annular slab 2 and cylinder 1 weld seam on, and the angle of the second groove b is 35 °, in a step 102, annular slab 2 is welded to the of cylinder 1 Include: in one end face
(1) annular slab 2 is mounted in the first end face of cylinder 1, and annular slab 2 is perpendicular to the axis of cylinder 1, the second slope First end face of the mouth b towards cylinder 1;
(2) weld seam between cylinder 1 and annular slab 2 is being welded from the back side of the second groove b in cylinder 1;
(3) back chipping is carried out in the outer weld seam at the second groove b of cylinder 1 and weld full.
Since the side wall of the cylinder 1 close to the weld seam is equipped with several mounting holes, according to the side of single face welding and double face shaping Formula is welded, then can generate part weld seam at mounting hole, cause the interior tissue of mounting hole not uniform enough, therefore here By the way of two-sided welding, avoid generating weld seam at mounting hole.
Step 103: rotating assembly being installed in the second end face of cylinder, interior plate is located in cylinder, one end of shaft Outside cylinder, and the axis of shaft is parallel with the axis of cylinder, and interior plate is welded on cylinder.
As shown in figure 5, in the present embodiment, the one side edge of interior plate 3 towards 1 second end face of cylinder is equipped with third slope The angle of mouthful c, third groove c are 45 °, in step 103, interior plate 3 is welded on cylinder 1 includes:
Outside cylinder 1, interior plate 3 is welded to by cylinder 1 using the method for single face welding and double face shaping from third groove c On.
The welding method of single face welding and double face shaping is that there are certain gaps between interior plate 3 and cylinder 1, from third The direction of groove c carries out penetration welding, form the two sides of third groove c can, specifically, cylinder corresponding with third groove c The diameter of the inner wall of body 1 is 764 ± 1mm, and the diameter of interior plate 3 is 756 ± 1mm.
Specifically, after welding interior plate 3 and cylinder 1, after 24 hours, the weld seam between interior plate 3 and cylinder 1 is carried out 100% ultrasonic examination.
In step 103, before interior plate 3 is welded on cylinder 1, it is also necessary to which rotating assembly is installed to cylinder 1 Second end face in, interior plate 3 is located in cylinder 1, and one end of shaft 5 is located at outside cylinder 1, and the axis of shaft 5 and cylinder 1 Axis is parallel, and in the present embodiment, specifically method includes:
It is towards the identical horse plate 6 of welding at least three thickness, Fig. 6 on the side of the first end face of cylinder 1 in interior plate 3 The axial structural schematic diagram provided in an embodiment of the present invention installed on interior plate after horse plate, referring to Fig. 6, in the present embodiment In, use 6 horse plates 6, and 6 horse plates 6 are evenly arranged on the circumference of interior plate 3, specifically, each horse plate 6 respectively with Interior plate 3 is fixed using the method for positioning welding, and the outer rim of horse plate 6, on the first circumference, the first circumference and interior plate 3 are same The heart, and the diameter of the first circumference is slightly larger than the diameter of interior plate 3, is 763 ± 1mm, which is less than in 1 second end face of cylinder Internal diameter, as shown in fig. 7, the inner wall of the second end of cylinder 1 is equipped with the positioning spigot 1a matched with the outer rim of horse plate 6, this is fixed Position seam allowance 1a is matched with horse plate 6, and by the vertical placement of cylinder 1 when welding, and the second end face of cylinder 1 is upward, by rotating assembly It is placed in the second end face of cylinder 1, and horse plate 6 is matched with positioning spigot 1a, the positioning for rotating assembly.It needs to illustrate , after the completion of rotating assembly and cylinder 1 weld, can from the looping pit of the annular slab 2 in the first end face of cylinder 1 into Enter into cylinder 1, removes the weld seam of the tack welding between interior plate 3 and horse plate 6, taken out after then removing horse plate 6.
Step 104: outer panel is installed in the second end face of cylinder, and shaft is inserted into the second mounting hole, it will be outer Side plate is welded with cylinder and shaft respectively.
As shown in figure 8, the 4th groove d is equipped on the weld seam of outer side plate 4 and cylinder 1, in the weldering of outer side plate 4 and shaft 5 It is equipped with the 5th groove e at seam, in step (4), includes: by outer panel 4 and the welding of cylinder 1
Outer panel 4 is welded on cylinder 1 in such a way that part penetrates from the external 4th groove d of cylinder;From cylinder Outer panel 4 is welded in shaft 5 by the way of single face welding and double face shaping at external 5th groove e.
In the present embodiment, the welding between each component is all made of the mode welded drum structure of full-argon gas shielded arc welding Part.
It should be noted that being welded as the ordinary skill in the art using the method for single face welding and double face shaping When, weld seam is necessarily with certain gap, in order to welding material melt-through weld be guaranteed the quality of weld seam.And at this In invention, when welding the weld seam between each component, needs to weld along weld seam circumferential direction prosposition, be soldered one layer and weld one layer again.
In the manufacturing method of roller frame part provided by the invention, in addition to welding cylinder with when annular slab using two-sided The mode of welding needs operator to enter welding in cylinder, remaining includes interior plate and cylinder, interior plate and shaft, outside Weld seam between plate and shaft, outer panel and cylinder in cylinder external welding, significantly improve operator construction environment and Operating condition improves the quality of weld seam.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (9)

1. a kind of production method of roller frame part, which includes cylinder, annular slab, interior plate, outer panel, turns Axis, the interior plate are equipped with the first mounting hole for installing the shaft, and the outer panel is equipped with described for installing Second mounting hole of shaft, which is characterized in that the production method includes:
(1) shaft is installed in first mounting hole, the inner wall of the shaft and first mounting hole is welded Rotating assembly is constituted, and the shaft is vertical with the interior plate;
(2) annular slab is welded in the first end face of the cylinder, and the axis of the annular slab and the cylinder hangs down Directly;
(3) rotating assembly is installed in the second end face of the cylinder, the interior plate is located in the cylinder, described One end of shaft is located at outside the cylinder, and the axis of the shaft is parallel with the axis of the cylinder, and the interior plate is welded It is connected on the cylinder;
(4) outer panel is installed in the second end face of the cylinder, and the shaft is inserted into second mounting hole It is interior, the outer panel is welded with the cylinder and the shaft respectively;
Wherein, the interior plate is welded to outside the cylinder using the welding manner of single face welding and double face shaping in step (3) On the cylinder, welding manner in the step (4) using single face welding and double face shaping outside the cylinder by the outer panel with The shaft welding;
The outer rim of the annular slab is equipped with the second groove, and in step (2), the production method includes:
The annular slab is mounted in the first end face of the cylinder, and the annular slab is perpendicular to the axis of the cylinder, First end face of second groove towards the cylinder;
The cylinder and the annular slab are welded from the back side of second groove in the cylinder;
Back chipping is carried out to the weld seam at second groove outside the cylinder and is welded full.
2. manufacturing method according to claim 1, which is characterized in that the side of first mounting hole is equipped with the first slope Mouthful, step (1) includes:
The interior plate and the shaft are welded in the side equipped with first groove of the interior plate;
After 3~4 layers of welding, back chipping is carried out to the weld seam at first groove in the other side of the interior plate and is welded full;
The weld seam at first groove is welded again full.
3. production method according to claim 2, which is characterized in that in step (1), the production method further include:
Before welding, the shaft and the interior plate are first preheated to 300 DEG C, and keep interlayer temperature in the welding process ≥250℃。
4. production method according to claim 2, which is characterized in that weld the interior plate and the shaft 48 hours Afterwards, ultrasonic examination is carried out to the weld seam between the interior plate and the shaft.
5. production method according to claim 1-4, which is characterized in that in step (3), the production method Include:
In the interior plate towards the identical horse plate of welding at least three thickness on the side of the first end face of the cylinder, and institute The outer rim of horse plate is stated on the first circumference, first circumference and the interior plate are concentric, and the radius of first circumference is slightly Greater than the radius of the interior plate, the inner wall of the second end face of the cylinder is equipped with to be determined with what the outer rim of the horse plate matched Position seam allowance.
6. production method according to claim 1-4, which is characterized in that the interior plate is towards the cylinder The one side edge of biend is equipped with third groove, in step (3), the interior plate is welded on the cylinder includes:
Outside the cylinder, the interior plate is welded to by institute using the method for single face welding and double face shaping from the third groove It states on cylinder.
7. production method according to claim 6, which is characterized in that weld the interior plate and the cylinder 24 hours Afterwards, ultrasonic examination is carried out to the weld seam between the interior plate and the cylinder.
8. production method according to claim 1-4, which is characterized in that in step (4), by the outer panel Include: with the barrel soldering
The outer panel is welded on the cylinder by the way of incomplete fusion outside the cylinder.
9. production method according to claim 1-4, which is characterized in that by the way of full-argon gas shielded arc welding Welded drum structural member.
CN201610880088.XA 2016-10-08 2016-10-08 A kind of production method of roller frame part Active CN106363310B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610880088.XA CN106363310B (en) 2016-10-08 2016-10-08 A kind of production method of roller frame part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610880088.XA CN106363310B (en) 2016-10-08 2016-10-08 A kind of production method of roller frame part

Publications (2)

Publication Number Publication Date
CN106363310A CN106363310A (en) 2017-02-01
CN106363310B true CN106363310B (en) 2019-02-01

Family

ID=57894968

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610880088.XA Active CN106363310B (en) 2016-10-08 2016-10-08 A kind of production method of roller frame part

Country Status (1)

Country Link
CN (1) CN106363310B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106825349A (en) * 2017-03-06 2017-06-13 上海大学 A kind of cold-heading bed piece welding manufacture method
CN110539096B (en) * 2019-07-16 2021-11-02 武汉船用机械有限责任公司 Method for manufacturing roller structural member
CN110666378B (en) * 2019-08-19 2021-08-24 武汉船用机械有限责任公司 Manufacturing method of bracket structural part

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6054667A (en) * 1997-07-25 2000-04-25 La Soudure Autogene Francaise Method of manufacturing metal tubes
CN201033393Y (en) * 2007-05-28 2008-03-12 无锡华联精工机械有限公司 Galvanomagnetism platform in the one-side welding two-sided shaping and welding device
CN201201112Y (en) * 2008-05-10 2009-03-04 无锡华联精工机械有限公司 Back side elevating gear of one-side welding two-side moulding welding mechanism
CN101530946A (en) * 2008-05-10 2009-09-16 无锡华联精工机械有限公司 Reverse side lifting device in single-side welding double-side molding welding mechanism
CN102530193A (en) * 2012-01-17 2012-07-04 武汉船用机械有限责任公司 Roller built in double-brake flange for large towing winch and manufacturing method thereof
CN202607055U (en) * 2012-05-04 2012-12-19 三一重工股份有限公司 Rotary drum welding device
CN104625346A (en) * 2015-01-23 2015-05-20 武汉船用机械有限责任公司 Method for welding roller for towing engine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6054667A (en) * 1997-07-25 2000-04-25 La Soudure Autogene Francaise Method of manufacturing metal tubes
CN201033393Y (en) * 2007-05-28 2008-03-12 无锡华联精工机械有限公司 Galvanomagnetism platform in the one-side welding two-sided shaping and welding device
CN201201112Y (en) * 2008-05-10 2009-03-04 无锡华联精工机械有限公司 Back side elevating gear of one-side welding two-side moulding welding mechanism
CN101530946A (en) * 2008-05-10 2009-09-16 无锡华联精工机械有限公司 Reverse side lifting device in single-side welding double-side molding welding mechanism
CN102530193A (en) * 2012-01-17 2012-07-04 武汉船用机械有限责任公司 Roller built in double-brake flange for large towing winch and manufacturing method thereof
CN202607055U (en) * 2012-05-04 2012-12-19 三一重工股份有限公司 Rotary drum welding device
CN104625346A (en) * 2015-01-23 2015-05-20 武汉船用机械有限责任公司 Method for welding roller for towing engine

Also Published As

Publication number Publication date
CN106363310A (en) 2017-02-01

Similar Documents

Publication Publication Date Title
CN106363310B (en) A kind of production method of roller frame part
CN103128420B (en) Construction technology of embedded reinforcing structure for large-orifice pipe of container
JP2010155275A (en) Weld joint and method for manufacturing the same
CN110539096B (en) Method for manufacturing roller structural member
CN104959774B (en) The method for repairing and mending of cylinder body
CN105537791A (en) Method for ensuring coaxiality of barrel bodies of large-size horizontal type converter during field welding
JP2009103210A (en) Power transmission shaft and power transmission device
CN204403671U (en) A kind of repairing device of continuous in-service pipeline weld seam
CN201922215U (en) Welding fixture for pipe fitting
JP2010069520A (en) Joining method of metallic member and joining device used for the same
CN106670670A (en) Stainless steel-carbon steel composite tube annular sealing welding method
US9194820B2 (en) Method for manufacturing a turbine rotor
JP2012148297A (en) Friction stir joining method
CN213646275U (en) Pipeline heat treatment device
CN106275270B (en) A kind of towing cable machine cylinder
CN203718191U (en) Connection structure for inner and outer lining plastic composite steel pipes
CN211490303U (en) Seamless pipe interfacing apparatus
CN206927459U (en) The repeatable shield body hanger system utilized
CN216632972U (en) Argon-filling-free welding structure for preventing back surface oxidation by backing argon arc welding at pipeline mounting port
CN107906973B (en) Sintering flue sealing structure
CN107639358B (en) Welding method
CN105729058A (en) Assembling and welding method for manufacturing drums
JP2015151928A (en) delivery pipe
JP6204708B2 (en) Turbine rotor, steam turbine using the same, and method for manufacturing the turbine rotor
CN205587851U (en) Whole welded structure who presss from both sides hard -pressed bale and prick hubbed flange of multilayer shell ring

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant