CN101463928A - Processing method for external anti-corrosion layer of steel bend pipe - Google Patents
Processing method for external anti-corrosion layer of steel bend pipe Download PDFInfo
- Publication number
- CN101463928A CN101463928A CNA2009100580896A CN200910058089A CN101463928A CN 101463928 A CN101463928 A CN 101463928A CN A2009100580896 A CNA2009100580896 A CN A2009100580896A CN 200910058089 A CN200910058089 A CN 200910058089A CN 101463928 A CN101463928 A CN 101463928A
- Authority
- CN
- China
- Prior art keywords
- bend pipe
- pipe
- mouth
- anchor clamps
- corrosion layer
- 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.)
- Pending
Links
Images
Abstract
The invention discloses a method for machining three layers of PE external anticorrosive coatings on a steel elbow. A single elbow is arranged horizontally on a plane along an arc axis, pipe orifices on two ends of the elbow are clamped and supported respectively by pipe orifice clamps, and the pipe orifice clamps are connected with a rotation center shaft in a rotatable manner by a connecting component and can rotate around the rotation center shaft; various anticorrosive machining devices are sequentially arranged in a vertical direction of the arc axis of the elbow and can rotate around an axis of the rotation center shaft, meanwhile, the anticorrosive machining devices can sequentially take a forward rectilinear motion or an exiting rectilinear motion towards the radial direction of the elbow along the vertical direction of the arc axis of the elbow; when the anticorrosive operation is carried out, a relative arc motion is formed in a relative rotation between the elbow and various anticorrosive machining devices around the axis of the rotation center shaft, and the external anticorrosive coatings of the elbow are machined and finished in a composite motion formed by the relative arc motion and the operation motion of various anticorrosive machining devices.
Description
Technical field
The present invention relates to a kind of processing method of external anti-corrosion layer of steel bend pipe, especially single steel bend pipe is carried out the processing method of three layers of PE external anti-corrosion layer.
Background technique
At present, known method for processing outer anticorrosive coating of steel elbow is: a plurality of steel bend pipes are after rust cleaning is qualified, be connected to garden, plane cirele bend circle by its axial direction head and the tail successively, the bend pipe circle is lain in a horizontal plane on the ring conveyor track, on bend pipe circle circular axis, be arranged in order electric induction heater, electrostatic powder coating device are set, twine roller, after-heater, secondary rolling machine, each anticorrosion manufacturing procedure equipment of water cooler.In other the anticorrosion manufacturing procedure equipment except that water cooler, the operation part of corresponding processing apparatus be enclosed within on the bend pipe external diameter can not the folding circle ring part.When garden annular conveyor track transmission bend pipe circle is done the plane when rotating along round circular orbit, in the compound motion of the circumduction of bend pipe circle and cover each circle ring part Working motion thereon, finish the external anti-corrosion layer machine shaping of bend pipe.
But, because the annular element of bend pipe each preservative process equipment in external anti-corrosion layer processing is the circular axis fixed and arranged along the bend pipe circle, the axial length that its each processing apparatus and circle ring part thereof take the bend pipe circle is long, and the arc shaft line length of single bend pipe is short, so arrange that by the supporting of existing ring track with along bend pipe circle ring axis the method for each processing apparatus can not finish the outer anticorrosion processing of single bend pipe, therefore bend pipe must be connected to the bend pipe circle and carries out corrosion prevention operation, make to be connected in the process that bend pipe circle and dismounting bend pipe circle are single bend pipe and expend a large amount of artificial and times, cause bend pipe external anti-corrosion layer processing efficient low at single bend pipe.
Summary of the invention
In order to overcome the existing inefficient deficiency of external anti-corrosion layer of steel bend pipe processing, the invention provides and a kind ofly can carry out method for processing to single external anti-corrosion layer of steel bend pipe respectively, this processing method can improve its manufacturing efficiency when guaranteeing bend pipe external anti-corrosion layer quality of processing.
The technical solution adopted for the present invention to solve the technical problems is: single bend pipe is processed external anti-corrosion layer respectively, single bend pipe is along its arc axis planar horizontal supporting, the bend pipe two ends mouth of pipe is supported by the clamping of mouth of pipe anchor clamps respectively, the bend pipe below is provided with N temporary support, mouth of pipe anchor clamps are rotatably connected with rotary middle spindle by connector element and can rotate around rotary middle spindle, and rotary middle spindle is coaxial with the shaft axis of the arc axis centre of curvature of bend pipe; Each anticorrosion manufacturing procedure equipment is electric induction heater, electrostatic powder coating device, winding roller, after-heater, secondary rolling machine, water cooler in regular turn in the processing of bend pipe anticorrosive coat, each anticorrosion manufacturing procedure equipment can also be done radial feed or withdraw from straight line motion to bend pipe in regular turn along the Vertical direction of bend pipe arc axis respectively simultaneously along the Vertical direction of bend pipe arc axis arranged and can rotating around the shaft axis of rotary middle spindle in regular turn; When anticorrosion manufacturing procedure equipment in feeding in regular turn, processing and withdraw from, bend pipe and each anticorrosion manufacturing procedure equipment room, in the shaft axis with rotary middle spindle relatively rotates, form relative circular arc motion, in the compound motion that the working motion of circular arc motion and each anticorrosion manufacturing procedure equipment forms relatively, machine the bend pipe external anti-corrosion layer.
Seize on both sides by the arms in the support apparatus at bend pipe, the mouth of pipe anchor clamps that are provided with can be two in covers, or two the cover four, when being four mouth of pipe anchor clamps of two covers, difference clamping of two sleeve opening anchor clamps and supporting are by the single bend pipe of corrosion-resistant, rotating center carries out the station conversion for the axle center alternate rotation, and each bend pipe is finished external anti-corrosion layer processing by bend pipe clamping, anticorrosive coat processing, three stations of cooling as ready.
Mouth of pipe anchor clamps adopt along bend pipe spout diameter mouth of pipe internal expanding clamping method clamping bend pipe from inside to outside, two mouth of pipe anchor clamps can rotate around the vertical line perpendicular to bend pipe arc axis respectively simultaneously, and the angle of the line that the shaft axis of two mouth of pipe anchor clamps and rotary middle spindle constitutes can be regulated size around rotary middle spindle, with the needs of the bend pipe external anti-corrosion layer processing that adapts to different tube diameters, different curvature radius and different central angles.
In the bend pipe external anti-corrosion layer manufacturing procedure equipment, but electric induction heater, electrostatic powder coating device, twine the circle ring part that roller, after-heater, secondary rolling machine are provided with folding; But the folding circle ring part of electric induction heater, after-heater is provided with the retainer ring frame, heats processing component accordingly and is connected with the retainer ring frame; But the folding circle ring part of electrostatic powder coating device, secondary rolling machine is provided with retainer ring frame and turning collar frame, and corresponding spray gun is connected with the turning collar frame with the pressure roller processing component; But be provided with retainer ring frame, turning collar frame in the folding circle ring part of winding roller and twine the circle frame, composite anti-corrosive roll coil of strip band mechanism is installed on the turning collar frame, twine the composite anti-corrosive band is installed on the circle frame send guide mechanism, winding mechanism and rolling mechanism processing component to; But the retainer ring frame in each folding circle ring part is fixedlyed connected with the frame of corresponding working procedures equipment, turning collar frame and twine the circle frame with the coaxial installation of retainer ring frame and can rotate around the shaft axis of retainer ring frame or swing; But but folding circle ring part and retainer ring frame wherein, turning collar frame and winding circle frame are the circle structure of folding, but the circle ring part of the folding of opening and wherein each circle frame can be enclosed within the excircle on the bend pipe external diameter, and each encloses the processing component of installing on the frame can be by preservative process processing operation separately.In worker's processing apparatus, but water cooler can not have the folding circle ring part.
Twining on the roller, but be installed in composite anti-corrosive roll coil of strip band mechanism on the turning collar frame of folding by the active take-up spool, driven take-up spool and winding chape are formed, the active take-up spool both sides that are installed in turning collar frame folding end parallel respectively with driven take-up spool, the winding chape along the not open part circular arc member of turning collar frame around and be enclosed within respectively on two take-up spools, the composite anti-corrosive belt end is fixed on winding chape outer surface, during material loading, power is by active take-up spool transmission winding chape and drive driven take-up spool rotation, driving the composite anti-corrosive band simultaneously twines and is stored on the turning collar frame, use in order to twining processing bend pipe anticorrosive coat, when twining operation, be installed in and twine the guide mechanism traction composite anti-corrosive band of sending to that roller twines on the circle frame and progressively withdraw from composite anti-corrosive roll coil of strip band mechanism, and realize winding processing around the rotation of bend pipe excircle the composite anti-corrosive band of bend pipe with twining the circle frame.
When bend pipe eliminates rust also after the assay was approved, single bend pipe is placed on the temporary support, temporary support is adjusted the working height of the arc axis of bend pipe to regulation, two ends mouth of pipe anchor clamps are that center of rotation is rotated with the rotary middle spindle, two mouth of pipe anchor clamps move along bend pipe arc axis and adjust angle between the two, after making mouth of pipe grip alignment and entering the mouth of pipe, the mouth of pipe anchor clamps tensioner bend pipe mouth of pipe puts down temporary support and makes bend pipe by the unsettled supporting of mouth of pipe anchor clamps; Each processing apparatus carries out corrosion prevention operation along the radial direction feeding in regular turn of bend pipe caliber and the operation that withdraws from separately, but the folding circle ring part of opening each processing apparatus when feeding respectively is linked on the bend pipe external diameter, but closure folding circle ring part then, carry out anticorrosion manufacturing procedure processing separately then, but the folding circle ring part that completion of processing is opened respectively separately again withdraws from anticorrosion manufacturing procedure; The bend pipe corrosion prevention operation finishes, and rises temporary support and accepts by anticorrosion bend pipe, and two ends mouth of pipe anchor clamps shrink and unclamp anchor clamps and withdraw from the supporting of seizing on both sides by the arms to the bend pipe mouth of pipe, enter the anticorrosion machining cycle of next bend pipe after anticorrosion bend pipe hangs out.
When adopting two sleeve opening anchor clamps, two sleeve opening anchor clamps replace clamping and support by anticorrosion bend pipe, with the rotating center is the conversion of axle center rotation carrying out station, and bend pipe is finished external anti-corrosion layer processing by bend pipe clamping, anticorrosive coat processing, three stations of cooling as ready, makes bend pipe corrosion prevention operation efficient higher.
The invention has the beneficial effects as follows, adopt the bearing method of mouth of pipe anchor clamps to the mouth of pipe clamping of single bend pipe two ends, but employing has each processing apparatus of folding circle ring part, but in the relative movement between bend pipe and each processing apparatus folding circle ring part, according to alternately feeding in regular turn, withdraw from the mode of the anticorrosion operative position of bend pipe, realization is to the purpose of single bend pipe processing bend pipe external anti-corrosion layer, avoid bend pipe to be connected to the spent artificial and activity duration of bend pipe circle, improved the efficient of bend pipe external anti-corrosion layer processing.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is first embodiment's situation plan of the present invention.
Fig. 2 is second embodiment's situation plan of the present invention.
Fig. 3 is A-A sectional view of Fig. 1.
Fig. 4 is B-B sectional view of Fig. 1.
Fig. 5 is C-C sectional view of Fig. 1.
Fig. 6 is D-D sectional view of Fig. 1.
Fig. 7 is E-E sectional view of Fig. 1.
Fig. 8 is F-F sectional drawing of Fig. 1.
Fig. 9 is G-G sectional view of Fig. 1.
1. bend pipes among the figure, 2. mouth of pipe anchor clamps, 3. temporary support, 4. bend pipe arc axis, 5. electric induction heater, 6. electrostatic powder coating device, 7. winding roller, 8. after-heater, 9. secondary rolling machine, 10. water cooler, 11. retainer ring framves, 12. turning collar framves, 13. twine the circle frame, 14. composite anti-corrosive bands, 15. active take-up spools, 16. driven take-up spool, 17. winding chapes, 18. rotary middle spindles.
The present invention is further described below in conjunction with drawings and Examples.
Embodiment
In Fig. 1 embodiment, single bend pipe (1) the two ends mouth of pipe is by two mouth of pipe anchor clamps of cover (2) clamping supporting respectively, bend pipe (1) below is provided with N temporary support (3), two mouth of pipe anchor clamps (2) are rotatably connected with rotary middle spindle (18) by connector element, and rotary middle spindle (18) is coaxial with the shaft axis of arc axis (4) centre of curvature of bend pipe (1).
In Fig. 1, in each anticorrosion manufacturing procedure equipment, electric induction heater (5), electrostatic powder coating device (6), twine roller (7), after-heater (8), secondary rolling machine (9) but the operation circle ring part all are folding circle structures of opening, but each processing apparatus and folding circle ring part thereof are arranged and can radially doing feeding or withdrawing from straight line motion along bend pipe (1) caliber in regular turn along the Vertical direction of bend pipe arc axis (4).
In the sectional view of Fig. 3 and mouth of pipe anchor clamps (2) shown in Figure 4, mouth of pipe anchor clamps (2) are along bend pipe (1) the spout diameter interior tensioner from inside to outside and the mouth of pipe of clamping bend pipe (1), two mouth of pipe anchor clamps (2) can rotate around the vertical line perpendicular to mouth of pipe anchor clamps (2) axis respectively simultaneously, and the angle that the line of two mouth of pipe anchor clamps (2) and bend pipe arc axis (4) centre of curvature constitutes can be regulated size.
In electric induction heater shown in Figure 5 (5), electrostatic powder coating device (6) shown in Figure 6, Fig. 7 and winding roller (7) shown in Figure 8, after-heater (8) and secondary rolling machine (9) shown in Figure 9, electric induction heater (5) and after-heater (8) but the folding circle ring part of processing apparatus is provided with retainer ring frame (11), corresponding heating element is connected with the retainer ring frame; Electrostatic powder coating device (6), secondary rolling machine (9) but the folding circle ring part of processing apparatus is provided with retainer ring frame (11) and turning collar frame (12), corresponding spray gun is connected with turning collar frame (12) with the pressure roller parts; Twine roller (7) but the folding circle ring part in be provided with retainer ring frame (11), turning collar frame (12) and twine and enclose frame (13), composite anti-corrosive roll coil of strip band mechanism is installed on the turning collar frame (12), twines guide mechanism, winding mechanism and rolling mechanism that the composite anti-corrosive band is installed on the circle frame (13); But the retainer ring frame (11) in each folding circle ring part is fixedlyed connected with the frame of corresponding working procedures equipment, and turning collar frame (12) and winding are enclosed frame (13) and the coaxial installation of retainer ring frame (11) and can be rotated or swing around concentric axis.
In the longitudinal sectional drawing of the sectional view of winding roller (7) shown in Figure 7 and winding roller (7) shown in Figure 8, but be installed in composite anti-corrosive roll coil of strip band mechanism on the turning collar frame (12) of folding by active take-up spool (15), driven take-up spool (16) and winding chape (17) are formed, active take-up spool (15) both sides that are installed in turning collar frame (12) folding end parallel respectively with driven take-up spool (16), winding chape (17) along the not open part circular arc member of turning collar frame (12) around and be enclosed within respectively on two take-up spools, composite anti-corrosive band (14) termination is fixed on winding chape (17) outer surface.During material loading, power is by active take-up spool (15) transmission winding chape (17) and drive driven take-up spool (16) rotation, drives composite anti-corrosive band (14) simultaneously and twines and be stored on the turning collar frame (12).
In another embodiment shown in Figure 2, two covers totally four mouth of pipe anchor clamps (2) are set on the circumference of bend pipe arc axis (4), form three station bend pipe external anti-corrosion layer process equipments, the first sleeve opening anchor clamps clamping support apparatus and the second sleeve opening anchor clamps clamping support apparatus are all coaxial with rotary middle spindle (18), and all can rotate with identical turning radius and carry out the station conversion.
Claims (5)
1. the processing method of three layers of PE external anti-corrosion layer of a steel bend pipe, bend pipe is along its arc axis planar horizontal supporting, each anticorrosion manufacturing procedure equipment is electric induction heater in regular turn in the anticorrosive coat processing, the electrostatic powder coating device, twine roller, after-heater, secondary rolling machine, water cooler, it is characterized in that: single bend pipe is processed external anti-corrosion layer respectively, the bend pipe two ends mouth of pipe is supported by the clamping of mouth of pipe anchor clamps respectively, the bend pipe below is provided with N temporary support, mouth of pipe anchor clamps are rotatably connected with rotary middle spindle by connector element and can rotate around rotary middle spindle, and rotary middle spindle is coaxial with the shaft axis of the arc axis centre of curvature of bend pipe; Each antiseptic finish processing device can also radially be done feeding or withdraw from straight line motion to bend pipe in regular turn simultaneously along the Vertical direction of bend pipe arc axis arranged and can rotating around the shaft axis of rotary middle spindle in regular turn along the Vertical direction of bend pipe arc axis; After the antiseptic finish processing device feeding, between bend pipe and each antiseptic finish processing device, in the shaft axis with rotary middle spindle relatively rotates, form relative circular arc motion, in the compound motion that the Working motion of circular arc motion and each antiseptic finish processing device forms relatively, machine the bend pipe external anti-corrosion layer.
2. the processing method of three layers of PE external anti-corrosion layer of steel bend pipe according to claim 1, it is characterized in that: the mouth of pipe anchor clamps of setting can be two in covers, or two the cover four, when being four mouth of pipe anchor clamps of two covers, single bend pipe is seized and supported to two sleeve opening anchor clamps respectively on both sides by the arms, carry out the station conversion with the rotating center for the axle center alternate rotation, each bend pipe is finished external anti-corrosion layer processing by bend pipe clamping, anticorrosive coat processing, three stations of cooling as ready.
3. the mouth of pipe anchor clamps that are provided with in the processing method of three layers of PE external anti-corrosion layer of steel bend pipe according to claim 1, it is characterized in that: adopt along bend pipe spout diameter mouth of pipe internal expanding clamping method clamping bend pipe from inside to outside, two mouth of pipe anchor clamps can rotate around the vertical line perpendicular to bend pipe arc axis respectively simultaneously, and the angle of the line of the shaft axis of two mouth of pipe anchor clamps and rotary middle spindle formation can be regulated size around rotary middle spindle.
4. three layers of PE external anti-corrosion layer of steel bend pipe according to claim 1 manufacturing procedure device inductance is answered heater, electrostatic powder coating device, is twined roller, after-heater, secondary rolling machine, water cooler, it is characterized in that: but electric induction heater, electrostatic powder coating device, the retainer ring frame that twines roller, after-heater, secondary rolling machine, turning collar frame and winding circle frame are the circle structure of folding.
5. according to claim 1 and the described winding roller of claim 4, it is characterized in that: but on the turning collar frame of the folding of twining roller, the active take-up spool both sides that are installed in turning collar frame folding end parallel respectively with driven take-up spool, the winding chape along the not open part circular arc member of turning collar frame around and be enclosed within respectively on two take-up spools, the composite anti-corrosive belt end is fixed on winding chape outer surface, power rotates by take-up spool initiatively, and transmission winding chape and driven take-up spool also drive the composite anti-corrosive band and twine and be stored on the turning collar frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100580896A CN101463928A (en) | 2009-01-09 | 2009-01-09 | Processing method for external anti-corrosion layer of steel bend pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100580896A CN101463928A (en) | 2009-01-09 | 2009-01-09 | Processing method for external anti-corrosion layer of steel bend pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101463928A true CN101463928A (en) | 2009-06-24 |
Family
ID=40804640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100580896A Pending CN101463928A (en) | 2009-01-09 | 2009-01-09 | Processing method for external anti-corrosion layer of steel bend pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101463928A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846230A (en) * | 2010-02-11 | 2010-09-29 | 中国石油集团川庆钻探工程有限公司 | Antiseptic operation system of hot bending bent pipe and operation method thereof |
| CN101865351A (en) * | 2010-06-09 | 2010-10-20 | 四川石油天然气建设工程有限责任公司 | Hot bending bent pipe fan-shaped corrosion prevention operation device and corrosion prevention operation method |
| CN101893153A (en) * | 2010-07-07 | 2010-11-24 | 廊坊市管道人机械设备有限公司 | Bend antiseptic finish processing device |
| CN101954606A (en) * | 2010-08-13 | 2011-01-26 | 扬州华宇管件有限公司 | Machining clamp for large-caliber elbow machine |
| CN107575701A (en) * | 2016-07-05 | 2018-01-12 | 吴发东 | Pipeline anticorrosion coating jointing method and integration mouth compensating machine |
| CN108015059A (en) * | 2017-12-29 | 2018-05-11 | 广东正业科技股份有限公司 | A kind of laser-processing system |
| CN108758172A (en) * | 2018-09-06 | 2018-11-06 | 青岛华仕达机器有限公司 | A kind of outer 3PE windings anticorrosion equipment of bend pipe |
| CN111946925A (en) * | 2020-08-14 | 2020-11-17 | 青岛华仕达机器股份有限公司 | Pipe penetrating device for elbow heat-preservation pipe |
| CN114654715A (en) * | 2022-02-08 | 2022-06-24 | 河南新开源石化管道有限公司 | Integral turning device of intermediate frequency heater for elbow anti-corrosion adhesive tape winding machine |
| CN114920095A (en) * | 2022-02-08 | 2022-08-19 | 河南新开源石化管道有限公司 | Support trailer system with adjustable curvature motion radius |
-
2009
- 2009-01-09 CN CNA2009100580896A patent/CN101463928A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846230A (en) * | 2010-02-11 | 2010-09-29 | 中国石油集团川庆钻探工程有限公司 | Antiseptic operation system of hot bending bent pipe and operation method thereof |
| CN101846230B (en) * | 2010-02-11 | 2014-02-26 | 中国石油集团川庆钻探工程有限公司 | Antiseptic operation system of hot bending bent pipe and operation method thereof |
| CN101865351A (en) * | 2010-06-09 | 2010-10-20 | 四川石油天然气建设工程有限责任公司 | Hot bending bent pipe fan-shaped corrosion prevention operation device and corrosion prevention operation method |
| CN101893153A (en) * | 2010-07-07 | 2010-11-24 | 廊坊市管道人机械设备有限公司 | Bend antiseptic finish processing device |
| CN101893153B (en) * | 2010-07-07 | 2012-08-29 | 廊坊市管道人机械设备有限公司 | Bend antiseptic finish processing device |
| CN101954606A (en) * | 2010-08-13 | 2011-01-26 | 扬州华宇管件有限公司 | Machining clamp for large-caliber elbow machine |
| CN107575701A (en) * | 2016-07-05 | 2018-01-12 | 吴发东 | Pipeline anticorrosion coating jointing method and integration mouth compensating machine |
| CN107575701B (en) * | 2016-07-05 | 2019-05-24 | 吴发东 | Pipeline anticorrosion coating jointing method and integration mouth compensating machine |
| CN108015059A (en) * | 2017-12-29 | 2018-05-11 | 广东正业科技股份有限公司 | A kind of laser-processing system |
| CN108758172A (en) * | 2018-09-06 | 2018-11-06 | 青岛华仕达机器有限公司 | A kind of outer 3PE windings anticorrosion equipment of bend pipe |
| CN108758172B (en) * | 2018-09-06 | 2023-06-13 | 青岛华仕达机器有限公司 | Outside-elbow 3PE winding anti-corrosion equipment |
| CN111946925A (en) * | 2020-08-14 | 2020-11-17 | 青岛华仕达机器股份有限公司 | Pipe penetrating device for elbow heat-preservation pipe |
| CN114654715A (en) * | 2022-02-08 | 2022-06-24 | 河南新开源石化管道有限公司 | Integral turning device of intermediate frequency heater for elbow anti-corrosion adhesive tape winding machine |
| CN114920095A (en) * | 2022-02-08 | 2022-08-19 | 河南新开源石化管道有限公司 | Support trailer system with adjustable curvature motion radius |
| CN114654715B (en) * | 2022-02-08 | 2023-10-20 | 河南新开源石化管道有限公司 | Integral rotating device of intermediate frequency heater for elbow anti-corrosion adhesive tape winding machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101463928A (en) | Processing method for external anti-corrosion layer of steel bend pipe | |
| CA2842252C (en) | Flexible tube, manufacturing method and apparatus | |
| CN101035635A (en) | Winding machine for rolled or drawn wire/rod with a turn clutch device for automatic winding | |
| CN113371528B (en) | Multi-beam fiber hoop winding device and control system thereof | |
| CN101934444A (en) | High-speed welding wire strander | |
| CN101776183A (en) | Method for processing outer anticorrosive coating of steel elbow | |
| CN101893153B (en) | Bend antiseptic finish processing device | |
| CN116734633B (en) | Double-flow mixed tube bundle combined type tube-winding heat exchanger | |
| CN201293182Y (en) | Integration mouth compensating machine for pipeline corrosion protection layer | |
| CN111085379A (en) | Steel pipeline epoxy powder inner spraying device | |
| CN1774307A (en) | Winding plant for rolled-stock with improved coil-winding control system | |
| EP1638709B1 (en) | Winding plant for rolled-stock | |
| CN201795228U (en) | Anti-corrosion bent pipe processing equipment | |
| CN209736360U (en) | Wire take-up device for realizing large coil weight operation of steel wire | |
| CN210617288U (en) | Semi-automatic coiler of tubular product protection film | |
| CN104368505B (en) | A kind of steel pipe inner wall spiral plastic lining apparatus and use the roll moulding shaping technology of this equipment | |
| CN205096272U (en) | Online automatic coil pipe device of thin wall welded tube | |
| CN115283793B (en) | A welding send a equipment for pneumatic cylinder processing | |
| CN113305233A (en) | Pipe winding equipment for winding pipe-wound heat exchanger core | |
| CN215315407U (en) | Wire rotating disc device for spring processing equipment | |
| CN216631332U (en) | Building pipeline inner wall anticorrosive material spraying device | |
| CN219294291U (en) | Electrostatic spraying wire winding machine | |
| CN108704965B (en) | Ultra-long small-caliber steel pipe coiling device and coil method thereof | |
| CN210655622U (en) | Cable winding and packaging equipment | |
| CN212094925U (en) | A outsourcing steel band cleaning device that unwinds for making welding wire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |