CN103464544B - A kind of welded tube compression roller level pressure auto-locking adjustment device - Google Patents
A kind of welded tube compression roller level pressure auto-locking adjustment device Download PDFInfo
- Publication number
- CN103464544B CN103464544B CN201310423488.4A CN201310423488A CN103464544B CN 103464544 B CN103464544 B CN 103464544B CN 201310423488 A CN201310423488 A CN 201310423488A CN 103464544 B CN103464544 B CN 103464544B
- Authority
- CN
- China
- Prior art keywords
- compression roller
- travelling carriage
- sliding shoe
- level pressure
- adjustment device
- 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
Links
Landscapes
- Rollers For Roller Conveyors For Transfer (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of welded tube compression roller level pressure auto-locking adjustment device, comprise support, rack-mount travelling carriage, be arranged on the compression roller on described travelling carriage and be arranged on the screw mandrel that described support is connected with described travelling carriage, described screw mandrel is connected with the main shaft of drive unit, described main shaft is provided with self-locking device, described travelling carriage is provided with the adjusting device preventing described compression roller upwards vibration.Structure of the present invention is simple, easy to use, in use can place compression roller and be reversed and upper and lower play, ensure the circularity of welding out steel pipe, improve the efficiency of welded still pipe.
Description
Technical field
The present invention relates to steel tube fabrication technique field, relate to a compression roller level pressure auto-locking adjustment device manufactured for steel pipe in particular.
Background technology
Steel pipe, when manufacture, is be made up by welding of rolled-up steel plate, and when welding, steel plate is squeezed pressure roller extruding always, to keep the circularity of needs.Compression roller is all paired setting, such as number of patent application: the Chinese invention patent of CN96106275.4 applying date 1996-04-26 discloses a kind of manufacture method of welded still pipe, it adopts two compression rollers to steel plate two end pressurizations exactly, forms the docking section comprising butted line; Near extruding point, irradiate with the high density energy bundle that can dissolve the whole thickness of steel band, weld this two ends; Pressurize so that the amount of pressurization of weld defect fully can be prevented with this compression roller, and then make the steel pipe of needs.
But existing compression roller device in use also has weak point: after it uses a period of time, often there is the undesirable situation of produced steel pipe roundness, this just needs often to change compression roller device, not only waste time and energy, affect operating efficiency, and too increase cost.
Summary of the invention
The object of this invention is to provide for the deficiencies in the prior art part, a kind of welded tube compression roller level pressure auto-locking adjustment device is provided, the deficiencies in the prior art part can be overcome, its structure is simple, easy to use, in use can place compression roller to be reversed and upper and lower play, ensure the circularity of welding out steel pipe.
In order to solve the problems of the technologies described above, technical scheme of the present invention is as follows: a kind of welded tube compression roller level pressure auto-locking adjustment device, comprise support, rack-mount travelling carriage, be arranged on the compression roller on described travelling carriage and be arranged on the screw mandrel that described support is connected with described travelling carriage, described screw mandrel is connected with the main shaft of drive unit, described main shaft is provided with self-locking device, described travelling carriage is provided with the adjusting device preventing described compression roller upwards vibration.
The applicant finds after research repeatedly, why the rear undesirable situation of steel pipe roundness is welded in appearance, because compression roller is in the process extruded steel plate, the power produced is very large and be persistent, circularity after the Plate Welding rolled with guarantee, but, long-time like this, the power of great dynamics is while acting on welding steel plate, also acting in opposition is on compression roller, this will make compression roller generation problem, first: drive compression roller to carry out the screw mandrel of position adjustment, can under the effect of long power, occur to loosen, compression roller is outwards backed out, even if this displacement backed out is very little very little, we measure rear discovery, this displacement is generally less than 0.3mm, but, it is exactly so small retrogressing, the great variety of welding steel pipe roundness out will be caused, the requirement of standard cannot be met, therefore, want the circularity ensureing steel pipe, just need to ensure that the phenomenon outwards backed out in use can not occur compression roller, second, compression roller is when extruding steel plate, have the trend moved upward, and compression roller be rotate be arranged on travelling carriage, so through after impact after a while, small gap will be produced between compression roller and travelling carriage, this gap is generally less than 0.2mm, the existence in this gap will make the vibration of compression roller generation above-below direction, this will cause the circularity of welding out steel pipe not meet standard, therefore, want the circularity ensureing steel pipe, just need to ensure that compression roller in use upper and lower vibration can not occur.For this reason, applicant is provided with self-locking device, prevents screw mandrel from use occurring outwards to back out, meanwhile, is provided with adjusting device, prevent compression roller from upper and lower vibration occurring.
As preferably, described self-locking device comprises and being fixed on described main shaft and the rotating disc with draw-in groove, the upper gathering sill, left jointed shaft and the right jointed shaft that drive the sliding bar that is connected with described driving cylinder piston rod of oil cylinder and described sliding bar to match, described left jointed shaft, right jointed shaft and left connecting rod, right connecting rod are hinged, described sliding bar and described left connecting rod and right connecting rod upper end are hinged, described left connecting rod, right connecting rod lower end are fixed with left latch segment, right latch segment, and described left connecting rod, right connecting rod are arranged in left gathering sill, right gathering sill.
Self-locking device, by arranging the rotating disc with draw-in groove on main shaft, recycles left latch segment, right latch segment and rotating disc and matches, can realize the clockwise and counterclockwise locking of main shaft, prevent screw mandrel from retreating; When work, drive the piston rod of oil cylinder to stretch out, drive sliding bar to move ahead in upper gathering sill, left connecting rod, right connecting rod are rotated around left jointed shaft and right jointed shaft, left latch segment is made to stretch in draw-in groove, and right latch segment is away from draw-in groove, this time, realization was locked the counter clockwise direction of main shaft, otherwise, the piston rod of oil cylinder is driven to retract, right latch segment is stretched in draw-in groove, and left latch segment is away from draw-in groove, realizes locking the clockwise direction of main shaft.
As preferably, the corresponding end of described left latch segment, right latch segment is equipped with the inclined plane extended that is inwardly simultaneously inclined upwardly.
As preferably, described draw-in groove comprise bottom surface and and described bottom surface intersect and the two sides be parallel to each other.
As preferably, described compression roller is provided with a conical section, described adjusting device comprises the horizontal slip groove be arranged in described travelling carriage, be arranged on the sliding shoe in described horizontal slip groove and be screwed onto on described travelling carriage and hold out against screw for what hold out against described sliding shoe, and described sliding shoe is provided with the clinoplain fitted with described conical section.
We have conical section in compression roller colouring number, conical section diminishes gradually along with upwards extending diameter, like this, conical section just defines a surface be obliquely installed, and the clinoplain that the surface that sliding shoe is also provided with and this is obliquely installed fits, under the effect holding out against screw, these two planes fit, when compression roller have upwards mobile trend time, compression roller limits by sliding shoe, prevent it from moving up, and when worked a period of time, wear and tear between two faces fitted, sliding shoe can move inward by holding out against screw by we in horizontal slip groove, fitting tightly of both guarantees, and then prevent the generation in gap, avoid compression roller that upper and lower vibration occurs.
As preferably, in described horizontal slip groove, be provided with two disc springs between described sliding shoe and described horizontal slip groove bottom.
Hold out against screw to adjust the position of sliding shoe, manually carry out, and in the work of reality, work after a period of time, between sliding shoe and conical section, some gaps do not exist is impossible, and also do not carry out position adjustment by holding out against screw to sliding shoe this time, this time, conical section will produce an impact to sliding shoe, and this existence impacted can make gap further expand, reduce the circularity of steel pipe, for this reason, we are provided with two disc springs, when gap is incipient, conical section is cushioned the impact that sliding shoe produces, avoid the further expansion in gap, ensure the circularity of steel pipe, and why be two disc springs, because effect is bad on the contrary after too many.
As preferably, described adjusting device also comprises the vertical sliding tray be arranged in described travelling carriage, the vertical sliding shoe be arranged in described vertical sliding tray; Described sliding shoe upper surface is provided with outwards simultaneously downward-sloping upper slanted plane, and described vertical sliding shoe is provided with the lower slanted plane fitted with described upper slanted plane, described travelling carriage is bolted with the screw rod be connected with described vertical sliding shoe.
In order to further prevent producing gap between sliding shoe and conical section, we arrange vertical sliding shoe, by screw rod make vertical sliding shoe tightly be pressed in the upper slanted plane of sliding shoe, make sliding shoe have a trend of inwardly sliding, ensure that conical section surface fits tightly mutually with clinoplain.
As preferably, described conical section outer surface is provided with ring-type draw-in groove, described ring-type draw-in groove comprises the first side, the first inclined plane and ring-type bottom surface, described clinoplain is provided with the inclination latch stretched in described ring-type draw-in groove, and described inclination latch is provided with the second inclined plane fitted with described first inclined plane.
Inclination latch and ring-type draw-in groove match, even if make sliding shoe when being impacted, also can not think outer backing out, guarantee and conical section fit tightly.
As preferably, described ring-type bottom surface is provided with steel ball.
As preferably, described first inclined plane becomes 50-75 ° of angle with described ring-type bottom surface.
Beneficial effect of the present invention is:
Structure is simple, easy to use, in use can place compression roller and be reversed and upper and lower play, ensure the circularity of welding out steel pipe, improve the efficiency of welded still pipe.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is self-locking device schematic diagram;
Fig. 3 is adjusting device structural representation;
Fig. 4 is A place enlarged diagram in Fig. 3.
In figure:
1-support;
2-travelling carriage;
3-compression roller, 301-conical section, 302-ring-type draw-in groove, 303-first side, 304-first inclined plane, 305-ring-type bottom surface, 306-steel ball;
4-screw mandrel;
5-main shaft;
6-self-locking device, 601-rotating disc, 602-drives oil cylinder, 603-sliding bar, the upper gathering sill of 604-, the left connecting rod of 605-, the left connecting rod of 606-, the left latch segment of 607-, the left latch segment of 608-, the left jointed shaft of 609-, the right jointed shaft of 610-, the left gathering sill of 611-, the right gathering sill of 612-, 613-inclined plane;
7-adjusting device, 701-horizontal slip groove, 702-sliding shoe, 703-holds out against screw, 704-clinoplain, 705-disc spring, the vertical sliding tray of 706-, the vertical sliding shoe of 707-, 708-upper slanted plane, 709-lower slanted plane, 710-screw rod, 711-inclination latch, 712-second inclined plane.
Detailed description of the invention
The following stated is only preferred embodiment of the present invention, not limits scope of the present invention.
Embodiment, see accompanying drawing 1,2,3,4, a kind of welded tube compression roller level pressure auto-locking adjustment device, comprise support 1, the travelling carriage 2 be arranged on support 1, be arranged on the compression roller 3 on travelling carriage 2 and be arranged on the screw mandrel 4 that support 1 is connected with travelling carriage 2, travelling carriage 2 is a pair, screw mandrel 4 drives travelling carriage 2 to move on support, screw mandrel 4 is connected with the main shaft 5 of drive unit, drive unit can adopt motor, hydraulic motor, air motor etc., main shaft 5 is provided with self-locking device 6, travelling carriage 2 is provided with the adjusting device 7 preventing compression roller 3 upwards vibration.
Self-locking device 6 comprises and is fixed on main shaft 5 and has the rotating disc 601 of draw-in groove, drive oil cylinder 602, with the sliding bar 603 driving oil cylinder 602 piston rod to be connected, with the upper gathering sill 604 that sliding bar 603 matches, left jointed shaft 609 and right jointed shaft 610, left jointed shaft 609, right jointed shaft 610 and left connecting rod 605, right connecting rod 606 is hinged, sliding bar 603 and left connecting rod 605 and right connecting rod 606 upper end are hinged, left connecting rod 605, right connecting rod 606 lower end is fixed with left latch segment 607, right latch segment 608, left connecting rod 605, right connecting rod 606 is arranged on left gathering sill 611, in right gathering sill 612, like this, when needs time, left latch segment 607, right latch segment 608 can insert in the draw-in groove of rotating disc, rotating disc is locked, draw-in groove comprises bottom surface and intersects and the two sides be parallel to each other with bottom surface, such structure is conducive to coordinating with left latch segment 607, right latch segment 608, and realize locking, left latch segment 607, right latch segment 608 are generally cuboid.Sliding bar 603 can slide in horizontal slip groove, and left connecting rod 605, right connecting rod 606 can be, under the drive of sliding bar, rotate around left jointed shaft 609, right jointed shaft 610, so realize left latch segment 607, right latch segment 608 takes in draw-in groove or exits draw-in groove; Further, in order to reduce the interference to draw-in groove, reduce left latch segment 607, distance that right latch segment 608 needs movement when locking, the corresponding end of left latch segment 607, right latch segment 608 is equipped with the inclined plane 613 of the extension that is inwardly simultaneously inclined upwardly.
Compression roller 3 is rotatable to be arranged on travelling carriage, its upper end is provided with a conical section 301, conical section 301 is in truncated cone-shaped, diminish gradually along with upwards extending its diameter, adjusting device 7 comprises the horizontal slip groove 701 be arranged in travelling carriage 2, be arranged on the sliding shoe 702 in horizontal slip groove 701 and be screwed onto on travelling carriage 2 and hold out against screw 703 for what hold out against sliding shoe 702, sliding shoe 702 is provided with the clinoplain 704 fitted with conical section 301, sliding shoe can slide in horizontal slip groove, the clinoplain 704 that it has and the outer surface of conical section fit, the masterpiece that such structure makes compression roller move up is used in sliding shoe and then acts on travelling carriage 2, when needs, can adjust by holding out against the position of screw to sliding shoe, sliding shoe is inwardly slided, simultaneously, two disc springs 705 between sliding shoe 702 and horizontal slip groove 701 bottom surface are provided with in horizontal slip groove 701.
Further, adjusting device 7 also comprise the vertical sliding tray 706 be arranged in travelling carriage 2, the vertical sliding shoe 707 be arranged in vertical sliding tray 706; Sliding shoe 702 upper surface is provided with outwards simultaneously downward-sloping upper slanted plane 708, vertical sliding shoe 707 is provided with the lower slanted plane 709 fitted with upper slanted plane 708, travelling carriage 2 is bolted with the screw rod 710 be connected with vertical sliding shoe 707, screw rod is screwed onto on travelling carriage 2, its lower end is connected with vertical sliding shoe, vertical sliding shoe is driven to slide in vertical sliding tray by screw rod, and then realize fitting tightly of upper and lower clinoplain, make sliding shoe have the trend moved inward.
Further, conical section 301 outer surface is provided with ring-type draw-in groove 302, ring-type draw-in groove 302 comprises the first side 303, first inclined plane 304 and ring-type bottom surface 305, clinoplain 704 is provided with the inclination latch 711 stretched in ring-type draw-in groove 302, inclination latch 711 is provided with the second inclined plane 712 fitted with the first inclined plane 304, first inclined plane 304 and 50-75 °, 305 one-tenth, ring-type bottom surface angle wherein, are good with 55 °.In order to make sliding friction become rolling friction, we are provided with steel ball 306 in ring-type bottom surface 305.
More than illustrate it is only explanation of the invention, those of ordinary skill in the art's can completely is made to implement this programme, but be not limitation of the present invention, those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this description, and these are all not creative amendments.As long as but be all subject to the protection of Patent Law in right of the present invention.
Claims (9)
1. a welded tube compression roller level pressure auto-locking adjustment device, it is characterized in that: comprise support (1), the travelling carriage (2) be arranged on support (1), be arranged on the compression roller (3) on described travelling carriage (2) and be arranged on the screw mandrel (4) that described support (1) is connected with described travelling carriage (2), described screw mandrel (4) is connected with the main shaft (5) of drive unit, described main shaft (5) is provided with self-locking device (6), described travelling carriage (2) is provided with the adjusting device (7) preventing described compression roller (3) upwards vibration, described self-locking device (6) comprises and is fixed on described main shaft (5) and goes up and the rotating disc (601) with draw-in groove, drive oil cylinder (602), with the sliding bar (603) that described driving oil cylinder (602) piston rod is connected, with the upper gathering sill (604) that described sliding bar (603) matches, left jointed shaft (609) and right jointed shaft (610), described left jointed shaft (609), right jointed shaft (610) and left connecting rod (605), right connecting rod (606) is hinged, described sliding bar (603) and described left connecting rod (605) and right connecting rod (606) upper end are hinged, described left connecting rod (605), right connecting rod (606) lower end is fixed with left latch segment (607), right latch segment (608), described left connecting rod (605), right connecting rod (606) is arranged on left gathering sill (611), in right gathering sill (612).
2. a kind of welded tube compression roller level pressure auto-locking adjustment device according to claim 1, is characterized in that: the corresponding end of described left latch segment (607), right latch segment (608) is equipped with the inclined plane (613) extended that is inwardly simultaneously inclined upwardly.
3. a kind of welded tube compression roller level pressure auto-locking adjustment device according to claim 1, is characterized in that: described draw-in groove comprises bottom surface and intersects and the two sides be parallel to each other with described bottom surface.
4. a kind of welded tube compression roller level pressure auto-locking adjustment device according to claim 1 or 2 or 3, it is characterized in that: described compression roller (3) is provided with a conical section (301), described adjusting device (7) comprises the horizontal slip groove (701) be arranged in described travelling carriage (2), be arranged on the sliding shoe (702) in described horizontal slip groove (701) and be screwed onto on described travelling carriage (2) and hold out against screw (703) for what hold out against described sliding shoe (702), described sliding shoe (702) is provided with the clinoplain (704) fitted with described conical section (301).
5. a kind of welded tube compression roller level pressure auto-locking adjustment device according to claim 4, is characterized in that: be provided with two disc springs (705) be positioned between described sliding shoe (702) and described horizontal slip groove (701) bottom surface in described horizontal slip groove (701).
6. a kind of welded tube compression roller level pressure auto-locking adjustment device according to claim 4, is characterized in that: described adjusting device (7) also comprises the vertical sliding tray (706) be arranged in described travelling carriage (2), the vertical sliding shoe (707) be arranged in described vertical sliding tray (706); Described sliding shoe (702) upper surface is provided with outwards simultaneously downward-sloping upper slanted plane (708), described vertical sliding shoe (707) is provided with the lower slanted plane (709) fitted with described upper slanted plane (708), described travelling carriage (2) is bolted with the screw rod (710) be connected with described vertical sliding shoe (707).
7. a kind of welded tube compression roller level pressure auto-locking adjustment device according to claim 5, it is characterized in that: described conical section (301) outer surface is provided with ring-type draw-in groove (302), described ring-type draw-in groove (302) comprises the first side (303), the first inclined plane (304) and ring-type bottom surface (305), described clinoplain (704) is provided with the inclination latch (711) stretched in described ring-type draw-in groove (302), and described inclination latch (711) is provided with the second inclined plane (712) fitted with described first inclined plane (304).
8. a kind of welded tube compression roller level pressure auto-locking adjustment device according to claim 7, is characterized in that: described ring-type bottom surface (305) is provided with steel ball (306).
9. a kind of welded tube compression roller level pressure auto-locking adjustment device according to claim 7, is characterized in that: described first inclined plane (304) becomes 50-75 ° of angle with described ring-type bottom surface (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310423488.4A CN103464544B (en) | 2013-09-17 | 2013-09-17 | A kind of welded tube compression roller level pressure auto-locking adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310423488.4A CN103464544B (en) | 2013-09-17 | 2013-09-17 | A kind of welded tube compression roller level pressure auto-locking adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103464544A CN103464544A (en) | 2013-12-25 |
| CN103464544B true CN103464544B (en) | 2016-03-02 |
Family
ID=49789711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310423488.4A Active CN103464544B (en) | 2013-09-17 | 2013-09-17 | A kind of welded tube compression roller level pressure auto-locking adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103464544B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110711782A (en) * | 2018-07-14 | 2020-01-21 | 大连冶金工具厂有限公司 | Extrusion roller hole pattern of high-frequency welded pipe rolling mill |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2747468A1 (en) * | 1977-10-22 | 1979-05-03 | Felten & Guilleaume Carlswerk | Butt welding table - with separate and joint micrometer adjustment of roller height and distance |
| SU1136910A1 (en) * | 1981-12-03 | 1985-01-30 | Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский И Конструкторско-Технологический Институт Трубной Промышленности | Method of manufacturing welded straight-seam pipes |
| CN2051876U (en) * | 1989-04-17 | 1990-01-31 | 唐山钢铁公司带钢厂 | Automatic welding and extruding roller with voltage-stabilizing device |
| US5148960A (en) * | 1992-02-03 | 1992-09-22 | Abbey Etna Machine Company | Rotary seam guide |
| CN2131623Y (en) * | 1992-07-15 | 1993-05-05 | 唐山钢铁公司带钢厂 | Automatic pressure stabilizer for welding extrusion roller |
| CN1390675A (en) * | 2001-06-13 | 2003-01-15 | 三菱伸铜株式会社 | Extrude roller unit devices of roll welded steel pipes |
| CN202725700U (en) * | 2012-08-29 | 2013-02-13 | 安徽中臣机电装备科技有限公司 | Extrusion device for welded pipe welding |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58173024A (en) * | 1982-04-05 | 1983-10-11 | Kawasaki Steel Corp | Manufacturing device of electric welded steel tube |
| JPS61123432A (en) * | 1984-11-16 | 1986-06-11 | Nippon Steel Corp | Roll position adjusting method of grooved roll stand for electric welded pipe formation and regular shape |
| JP2952187B2 (en) * | 1995-10-17 | 1999-09-20 | 三菱伸銅株式会社 | ERW pipe inspection apparatus, ERW pipe manufacturing apparatus and manufacturing method |
-
2013
- 2013-09-17 CN CN201310423488.4A patent/CN103464544B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2747468A1 (en) * | 1977-10-22 | 1979-05-03 | Felten & Guilleaume Carlswerk | Butt welding table - with separate and joint micrometer adjustment of roller height and distance |
| SU1136910A1 (en) * | 1981-12-03 | 1985-01-30 | Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский И Конструкторско-Технологический Институт Трубной Промышленности | Method of manufacturing welded straight-seam pipes |
| CN2051876U (en) * | 1989-04-17 | 1990-01-31 | 唐山钢铁公司带钢厂 | Automatic welding and extruding roller with voltage-stabilizing device |
| US5148960A (en) * | 1992-02-03 | 1992-09-22 | Abbey Etna Machine Company | Rotary seam guide |
| CN2131623Y (en) * | 1992-07-15 | 1993-05-05 | 唐山钢铁公司带钢厂 | Automatic pressure stabilizer for welding extrusion roller |
| CN1390675A (en) * | 2001-06-13 | 2003-01-15 | 三菱伸铜株式会社 | Extrude roller unit devices of roll welded steel pipes |
| CN202725700U (en) * | 2012-08-29 | 2013-02-13 | 安徽中臣机电装备科技有限公司 | Extrusion device for welded pipe welding |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103464544A (en) | 2013-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206614130U (en) | A kind of sanding apparatus suitable for two-sided submerged arc straight welded pipe welding-seam | |
| CN203018948U (en) | Novel wing plate and ventral plate automatic centering clamping mechanism of H-shaped structural steel assembly machine | |
| CN103464544B (en) | A kind of welded tube compression roller level pressure auto-locking adjustment device | |
| CN103084444A (en) | Roll changing device of cold roll forming quick-changing rack | |
| CN101032724A (en) | Seamless pipe four-roller type hot sizing stand | |
| CN103480917B (en) | The automatic rapid return device of burr except a kind of welded tube | |
| CN202539251U (en) | Device for locking side rollers of extrusion roller for high-frequency straight-seam welded pipes | |
| CN203343166U (en) | Angle-adjustable roller device | |
| CN103599824B (en) | A kind of mechanical scraper cleaning device of three-roller | |
| CN203197060U (en) | Roll changing device for cold roll forming quick change machine frame | |
| CN206749008U (en) | A kind of side clip-type adjustment height double-tractor | |
| CN207808471U (en) | A kind of haulage gear of inflation film manufacturing machine | |
| CN202105847U (en) | Novel outer mounting frame for roller box of 20-roller cold rolling mill | |
| CN206216161U (en) | Welding gun automatic tracking welding connection device | |
| CN205151308U (en) | Kickoff mechanism | |
| CN204151355U (en) | A kind of automotive leather class inside gadget imprinting apparatus | |
| CN203426527U (en) | Interactive longitudinal shearing machine | |
| CN111098345B (en) | PE pipe and processing system and processing method thereof | |
| CN209886826U (en) | Gantry type cutting machine | |
| CN203666014U (en) | Double-cutter carton grooving machine | |
| CN202725700U (en) | Extrusion device for welded pipe welding | |
| CN203494894U (en) | Universal rolling mill and rolling mill vertical roller device with adjustable vertical roller rotating axis angle of universal rolling mill | |
| CN201030378Y (en) | Seamless steel pipe four-roller hot sizing machine | |
| CN206589083U (en) | Edge banding machine edge-neatening apparatus | |
| CN204938463U (en) | A kind of feeding guide mechanism of steel plate-forming machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 313000 No. 288 Funan Road, Wuxing District, Huzhou City, Zhejiang Province Patentee after: Zhejiang Kingland Pipe Industry Co., Ltd. Address before: 313000 Zhejiang Huzhou Huzhou Economic and Technological Development Zone Yangjiabu Zhejiang Jinzhou Pipeline Industry Co., Ltd. Patentee before: Zhejiang Kingland Pipe Industry Co., Ltd. |