CN205110575U - Well diameter submerged -arc welded (SAW) pipe total length hole enlargement unit - Google Patents
Well diameter submerged -arc welded (SAW) pipe total length hole enlargement unit Download PDFInfo
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- CN205110575U CN205110575U CN201520866882.XU CN201520866882U CN205110575U CN 205110575 U CN205110575 U CN 205110575U CN 201520866882 U CN201520866882 U CN 201520866882U CN 205110575 U CN205110575 U CN 205110575U
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Abstract
The utility model discloses a well diameter submerged -arc welded (SAW) pipe total length hole enlargement unit, including hole enlargement unit totality, hole enlargement unit totality enters the mouth travelling platform, the preceding station, hole enlargement station, afterflush station, steel pipe export travelling platform of washing by the steel pipe to be formed, still is equipped with independent waterway system, lubricating system, hydraulic system, electric system simultaneously. The utility model discloses with whole hole enlargement unit through electric, hydraulic pressure, mechanical linkage, realize the washing in advance of steel pipe inner wall, hole enlargement, afterflush and steel pipe transportation work, guaranteed the hole enlargement quality, washed the quality, production efficiency, provide safeguard for the subsequent handling.
Description
Technical field
The utility model belongs to the expanding field of straight-line joint submerged arc welding tube, particularly relates to the expanding unit of middle diameter submerged-arc welded (SAW) pipe total length that a kind of applicable steel pipe scope is caliber φ 323.9 ~ φ 762mm, pipe range 8 ~ 12.5m.
Background technology
In pipeline construction, long oil and gas pipeline is just towards the conveying of heavy caliber high pressure power and submarine pipeline wall thickening future development, and increasing pipeline requirements adopts longitudinal submerged arc welded pipe.Longitudinal submerged arc welded pipe is produced by whole board raw material or roll bending raw material and only had an axial direct weld seam.Straight-line joint submerged arc welding tube all can produce internal stress in shaping and welding process, and after steel tube forming, total length diameter, circularity are all irregular, and axially has lateral bending, machete curved.According to the requirement of American Petroleum Institute API relevant criterion, the straight-line joint submerged arc welding tube for transferring oil gas pipeline must reach corresponding diameter, circularity and directly spend.
It is caliber that current domestic expanding unit is mainly suitable for steel pipe scope
, pipe range 8 ~ 12.5m, and the main dependence on import of expanding main frame, expensive.Along with the development of market prospects, the own resource advantage of pipe factory, middle diameter submerged-arc welded (SAW) pipe also becomes the Developing mainstream direction of some pipe factories.If it is expanding to carry out middle diameter submerged-arc welded (SAW) pipe with the expanding unit of large gauge, the power resource waste of expanding unit is too large, as low load with strong power.
Utility model content
The utility model is then for above-mentioned technical background, a kind of applicable steel pipe scope is provided to be caliber φ 323.9 ~ φ 762mm, the expanding unit of total length in the straight-line joint submerged arc welding tube production line of pipe range 8 ~ 12.5m, for pipe factory a set of rational in infrastructure, perfect in shape and function is provided, automaticity is high, operating efficiency is high, the expanding unit of diameter submerged-arc welded (SAW) pipe total length in high stability.
For solving the problem, the technical scheme that the utility model adopts is:
The expanding unit of diameter submerged-arc welded (SAW) pipe total length in one, comprise expanding unit overall, it is characterized in that, described expanding unit is totally exported travelling platform formed by steel pipe entrance travelling platform, front flushing station, expanding station, afterflush station, steel pipe, is also equipped with independently water circuit system, lubricating system, hydraulic system, electrical system simultaneously; Described steel pipe entrance travelling platform and steel pipe outlet travelling platform car body are monolithic construction, car body are loaded with random hydraulic power unit and electric integrated system; Rinse station before described to fix rotating roller by syringe pipe device, catchment covers device and one group and form; The expanding mode of described expanding station is step-by-step movement, often walk the effective straight section length setting of expanding length according to expander die, expanding station by clamping trolley assembly, fixing rotating roller, lifting V-type roller, expanding head assembly, initiatively backing roll drive unit, interlock lifting support roller device, random straightening device, initiatively support roller device, supplemental support roller arrangement, rod assembly, main machine base and mail oil cylinder device form in lifting; Described afterflush station keeps off pipe device by rollgang, cantilever lever device, support roller device, guard shield, crane device, rear portion.
Preferably, the hoofing part of described steel pipe entrance travelling platform and steel pipe outlet travelling platform is pinion and-rack, and installs by guide roller in gear both sides.
Preferably, the syringe pipe device before described in flushing station and catchment covers device are all integrated on respective car body, and can move around by forward-reverse, the shower nozzle in syringe pipe device and the pipeline of water system are connected, and shower nozzle can oscilaltion.
Preferably, main machine base in described expanding station is integral steel structure weldment, and wherein said mail oil cylinder device, interlock lifting support roller device, lifting active support roller device, random straightening device, supplemental support roller arrangement are all installed on main machine base; Described rod assembly is bound up by the piston rod on attaching nut and mail oil cylinder device, and described expanding head assembly is bound up by attaching nut and rod assembly, expanding head assembly is provided with expander die, directly contacts time expanding with steel pipe inner wall; Described interlock lifting support roller device is made up of pull bar shoring, driven roller, below the front end being arranged on rod assembly; Described driven roller directly contacts with outer wall of steel pipe immediately below steel pipe; Described supplemental support roller arrangement is made up of pull bar shoring, is arranged on immediately below rod assembly posterior segment; Described random straightening device is arranged on main machine base, has two to align beam in main machine base central axis both sides; Described lifting V-type roller has four covers, is wherein a set ofly arranged on main machine base, all displacement transducer is housed in the hoist cylinder in described mail oil cylinder device, and CNC controls; Described fixing rotating roller is arranged in both sides, travelling platform tunnel; Described clamping trolley assembly is by clamping trolley, clamping trolley travel driving unit and rear portion guiding beam device assembly, clamp is equipped with in clamping trolley front portion, clamping trolley travel driving unit is power set, type of drive is rack pinion, guide support ring is equipped with in gear both sides, rear portion guiding beam device is the installation carrier of tooth bar, and guide-rail plate, guide roller are equipped with in tooth bar both sides, and crossbeam afterbody is equipped with running wheel.
Preferably, the rollgang on described afterflush station is eight covers and is initiatively rollgang, and wherein a set of have elevating function, and be evenly arranged on the axis of steel pipe walking, described rollgang absolute altitude successively decreases from high to low successively, forms the inclination angle of 0.5 degree, cantilever lever device on described afterflush station is by cantilever lever, guide support is taken turns, syringe pipe, flushing line forms, described guide support wheel, syringe pipe, flushing line is installed on cantilever lever, guide support wheel is totally two covers, the bearing wheel on its top all contacts with steel pipe inner wall, a set of end being arranged on cantilever lever, a set of roughly golden section point place being arranged on cantilever lever, when steel pipe by time steel pipe inner wall can play a part to support cantilever lever, according to the difference of caliber and wall thickness, ensure that guide support wheel contacts with steel pipe inner wall all the time by pad and screw mandrel adjusting device, described syringe pipe is arranged on the front end of cantilever lever, there are three circle nozzles syringe pipe is circumferentially staggered, wherein two circle nozzles spray emulsions, one circle nozzles spray clear water, described flushing line has two-way pipeline, one is emulsion pipeline, one is clear water pipeline, emulsion is sprayed when steel pipe is sent to, support roller device on described afterflush station is made up of pedestal, guide pillar, carrying roller, oil cylinder, oil cylinder inbuilt displacement sensor, crane drive motors built-in encoder on crane device on described afterflush station, described rear portion gear pipe device is placed on tail end, described guard shield forms primarily of the welding of stainless steel plate.
Preferably, described expanding unit is totally by electric, hydraulic pressure, mechanical linkage.
The beneficial effects of the utility model are:
The utility model by whole expanding unit by electrically, hydraulic pressure, mechanical linkage, realize the pre-flush to steel pipe inner wall, expanding, afterflush and steel pipe transhipment work, ensure that expanding quality, rinsing quality, production efficiency, for subsequent handling provides safeguard.
The effect that the utility model can be reached by the expanding unit of total length is: eliminate the mixed and disorderly internal stress that steel pipe produces in Cold Roll Forming Process, the distribution of internal stress is reached unanimity, thus increases the yield strength of material; The bending of generation is shunk in the welding stress that elimination steel pipe produces in welding process and welding, makes the total length linearity of steel pipe reach the requirement of regulation; The quality of butt welded seam carries out a Pre-testing; Make the diameter in steel pipe length range, requirement that circularity uniformity reaches regulation.
The mechanism of each station of the utility model can single action finely tune; Each station also can work independently as an independent station; Three stations and steel pipe entrance travelling platform, export travelling platform and also can realize full automatic combine work.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail simultaneously.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the expanding unit of a kind of middle diameter submerged-arc welded (SAW) pipe total length of the utility model;
Fig. 2 is the steel pipe entrance travelling platform of the expanding unit of a kind of middle diameter submerged-arc welded (SAW) pipe total length of the utility model and the structural representation of front flushing station;
Fig. 3 is the structural representation of the expanding station of the expanding unit of a kind of middle diameter submerged-arc welded (SAW) pipe total length of the utility model;
Fig. 4 is the steel pipe outlet travelling platform of the expanding unit of a kind of middle diameter submerged-arc welded (SAW) pipe total length of the utility model and the structural representation of afterflush station;
Wherein, in figure
1, steel pipe entrance travelling platform
2, front flushing station
201, syringe pipe device 202, catchment covers device 203, fixing rotating roller
3, expanding station
301, clamping trolley assembly 302, fixing rotating roller 303, lifting V-type roller 304, expanding head assembly 305, initiatively backing roll drive unit 306, interlock lifting support roller device 307, random straightening device 308, lifting initiatively support roller device 309, supplemental support roller arrangement 310, rod assembly 311, main machine base 312, mail oil cylinder device
4, afterflush station
401, rollgang 402, cantilever lever device 403, support roller device 404, guard shield 405, crane device 406, rear portion gear pipe device
5, steel pipe outlet travelling platform
6, lubricating system
7, hydraulic system
8, electrical system
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
Embodiment:
As Figure 1-4, the utility model discloses the expanding unit of diameter submerged-arc welded (SAW) pipe total length in one, whole expanding unit is exported travelling platform 5 formed by steel pipe entrance travelling platform 1, front flushing station 2, expanding station 3, afterflush station 4, steel pipe, be equipped with independently water circuit system, lubricating system 6, hydraulic system 7, electrical system 8, to realize following action control: the mechanism of each station can single action finely tune simultaneously; Each station also can work independently as an independent station; Three stations and steel pipe entrance travelling platform 1, steel pipe export travelling platform 5 and also can realize full automatic combine work.
Steel pipe entrance travelling platform 1, steel pipe outlet travelling platform 5: car body is monolithic construction, car body is loaded with random hydraulic power unit, electrically integrated system.Travelling platform hoofing part is pinion and-rack, and installs by guide roller in gear both sides, ensure that the speed that travelling platform is walked is fast, stable and arrive the accurate location of specifying station.Steel pipe entrance travelling platform 1 rinses station 2 before being delivered to by the steel pipe waiting to enter expanding unit, to be rinsed complete after, then steel pipe is delivered to expanding station 3.Steel pipe outlet travelling platform 5 is that expanding good steel pipe is delivered to afterflush station 4, to be rinsed complete after, then steel pipe is delivered to subsequent processing.
Front flushing station 2: the preprocessing station before expanding as steel pipe total length.At steel pipe after overmolding and welding, steel pipe inner wall all can remain the foreign material such as some oxide skins, solder flux, coating, in order to do not damaged steel pipe inner wall by foreign material when ensureing pipe expanding, high pressure water washing must be carried out at expanding station 3 at expanding machine and steel pipe inner wall is rinsed well.Front flushing station 2 is fixed rotating roller 203 by syringe pipe device 201, catchment covers device 202 and one group and is formed.Syringe pipe device 201 and catchment covers device 202 are all integrated on respective car body, can move around the need of work adapting to different steel pipe length by forward-reverse.Shower nozzle in syringe pipe device 201 and the pipeline of water system are connected, and shower nozzle can oscilaltion, can regulate the height of shower nozzle, in order to meet the reasonable flushing of various different tube diameters steel pipe inner wall, ensure rinsing quality; Catchment covers device 202 is mainly used in holding the clear water gone out to be pooled to catchment covers inherence to flow to and catchment in tunnel by rinsing, and keep the scene intact working environment.During flushing, steel pipe rotates in fixing rotating roller 203, ensures that steel pipe circumferencial direction rinses evenly, rinses well.
Expanding station 3: the expanding work of total length completing steel pipe at this station, expanding mode is step-by-step movement, often walks the effective straight section length setting of expanding length according to expander die.Expanding station by clamping trolley assembly 301, fixing rotating roller 302, lifting V-type roller 303, expanding head assembly 304, initiatively backing roll drive unit 305, interlock lifting support roller device 306, random straightening device 307, initiatively support roller device 308, supplemental support roller arrangement 309, rod assembly 310, main machine base 311 and mail oil cylinder device 312 form in lifting.
Above-mentioned main machine base 311 is integral steel structure weldment, as the core carrier of expanding station, for the installation accuracy of expanding station 3 provides reliable guarantee, wherein mail oil cylinder device 312, interlock lifting support roller device 306, lifting active support roller device 308, random straightening device 307, supplemental support roller arrangement 309 are all installed on main machine base 311; Rod assembly 310 is bound up by the piston rod of attaching nut and mail oil cylinder device 312, expanding head assembly 304 is bound up by attaching nut and rod assembly 310, expanding head assembly 304 is provided with expander die, directly contact with steel pipe inner wall time expanding, by expansion, steel pipe is expanded circle, mail oil cylinder device 312 is directly connected with hydraulic power unit, for expanding head assembly 304 provides expanding power by pipeline.Interlock lifting support roller device 306 mainly contains pull bar shoring, driven roller composition, and below the front end being arranged on rod assembly 310, because rod assembly 310 is longer, front end has downwarp, is supported by pull bar shoring; Driven roller directly contacts with outer wall of steel pipe immediately below steel pipe, and sending to for pipe expanding provides auxiliary power.Supplemental support roller arrangement 309, primarily of pull bar shoring composition, is arranged on immediately below rod assembly 310 posterior segment, is supported equally by pull bar shoring to rod assembly 310.Lifting initiatively support roller device 308 pairs of expanding sending to of steel pipe back segment provides power.Random straightening device 307 is arranged on main machine base 311, have in main machine base 311 central axis both sides two to align beam, can stretch back and forth towards center simultaneously, time expanding, both sides aligning beam extends outer wall of steel pipe, to carrying out radial direction restriction during pipe expanding, reach straightening function.Lifting V-type roller 303 has four covers, is wherein a set ofly arranged on main machine base 311, and all displacement transducer is housed in hoist cylinder, CNC controls, and lifting synchronism is good, registration, is mainly used in different tube diameters steel pipe to be lifted to operating position and supporting steel pipe effect.Fixing rotating roller 302 is arranged in both sides, travelling platform tunnel, is mainly used in weld seam to rotate (12 o'clock direction) extremely.Clamping trolley assembly 301, primarily of clamping trolley, clamping trolley travel driving unit, rear portion guiding beam device assembly, has been mainly used in that steel pipe leading portion is expanding sends work to.Clamp is equipped with in clamping trolley front portion, suitable for reading for clamping steel pipe front end, and controlled the quick opening and closing of clamp by oil cylinder, clamp has elevating function, and different tube diameters steel pipe is promoted to operating position.Clamping trolley travel driving unit is mainly clamping trolley and send pipe to provide power, and type of drive is rack pinion, and guide support ring is equipped with in gear both sides, ensures the backlash of wheel and rack engagement, operates steadily.The installation carrier of rear portion guiding beam device mainly tooth bar, guide-rail plate, guide roller are equipped with in tooth bar both sides, and crossbeam afterbody is equipped with running wheel, to ensure in clamping trolley walking process steadily, accurate positioning when stopping.
Afterflush station 4: steel pipe, after expanding completing, remains the impurity such as some expanding lubricating oil, oxide skins after steel pipe inner wall, therefore need rinse well at this station.Afterflush station 4 device forms primarily of rollgang 401, cantilever lever device 402, support roller device 403, crane device 405, rear portion gear pipe device 406, guard shield 404.
Above-mentioned rollgang 401 is mainly used in sending to of steel pipe and exits, rollgang 401 8 cover is initiatively rollgang, and wherein a set of have elevating function, is evenly arranged on the axis of steel pipe walking, ensure steel pipe all dynamic distribution in whole service section, avoid skidding, jam phenomenon; Rollgang 401 absolute altitude successively decreases from high to low successively, forms the inclination angle of 0.5 degree, ensures that steel pipe has rinsed the water remaining in steel duct when exiting and can flow out completely, prevents from spilling on the ground in subsequent delivery process.
Above-mentioned cantilever lever device 402 is primarily of cantilever lever, guide support is taken turns, syringe pipe, flushing line forms, guide support is taken turns, syringe pipe, flushing line is installed on cantilever lever, guide support wheel is totally two covers, bearing wheel all contacts with steel pipe inner wall, a set of end being arranged on cantilever lever, as steel pipe inlet guide to, a set of roughly golden section point place being arranged on cantilever lever, when steel pipe by time steel pipe inner wall can play a part to support cantilever lever, according to the difference of caliber and wall thickness, ensure that guide support wheel contacts with steel pipe inner wall all the time by pad and screw mandrel adjusting device, syringe pipe is arranged on the front end of cantilever lever, there are 3 circle nozzles syringe pipe is circumferentially staggered, wherein 2 circle nozzles spray emulsions, 1 circle nozzles spray clear water, the emulsion sprayed and clear water all can evenly, effectively be sprayed on steel pipe inner wall, ensure that steel pipe inner wall is rinsed well.Flushing line has two-way pipeline, and one is emulsion pipeline, and one is clear water pipeline, sprays emulsion when steel pipe is sent to, and emulsion has expanding lubricating oil and well dilutes dissolution, sprays clear water, rinsed well by steel pipe inner wall when steel pipe exits.
Above-mentioned support roller device 403 is primarily of pedestal, guide pillar, carrying roller, oil cylinder composition, and oil cylinder inbuilt displacement sensor, can be elevated to specified altitude assignment accurately, and ensure that cantilever lever is in any operating position, carrying roller effectively can support cantilever lever.
Above-mentioned crane device 405 is mainly used in the height adjusting cantilever lever, cantilever lever central axis is promoted to consistent with corresponding steel pipe central axis, can ensure like this emulsion that syringe pipe sprays and clear water all more even to steel pipe inner wall circumferencial direction, ensure rinsing quality, crane drive motors built-in encoder, can be elevated to specified altitude assignment accurately.
Above-mentioned rear portion gear pipe device 406 is placed on tail end, and play safety protection function, prevent steel pipe from rinsing electric detecting element when advancing malfunctioning, steel pipe overshoot causes personnel, equipment damage.
Above-mentioned guard shield 404 is primarily of stainless steel plate welding composition, and all covered to cantilever lever tail end by syringe pipe, the emulsion preventing syringe pipe from spraying and clear water are splashed to surrounding workspace, can be good at ensureing on-the-spot working environment.
Be the description of detailed description of the invention of the present utility model below:
Embodiment:
Steel pipe entrance travelling platform 1 rinses station 2 before being transported to from upper sequence by steel pipe, steel pipe is placed in fixing rotating roller 203, sensor detects steel pipe, according to steel pipe length, syringe pipe dolly, catchment covers dolly move forward operating position simultaneously, now fix that rotating roller 203 starts to rotate, syringe pipe starts bath, and rotation limit, steel pipe limit rushes, different according to caliber, the rotational time of setting is different.After rotational time terminates, rotating roller is stopped the rotation, flushing valve is closed, syringe pipe dolly simultaneously, original position return by catchment covers dolly, now the steel pipe rinsed is delivered to expanding station 3 by steel pipe entrance travelling platform 1 again, steel pipe is placed in rotating roller, rotating roller start to rotate position while welding gone to directly over (12 o ' clock position) stop, now except a set of lifting V-type roller 303 be arranged on base is motionless, its excess-three cover rises simultaneously to be lifted to working position by steel pipe, then clamping trolley traveling clamps steel pipe upper orifice to pipe end, according to the amount of bow of steel pipe, steel pipe is risen to corresponding height by clamp, ensure that steel pipe enters the entrance central axis of expanding head consistent with rod assembly 310 central axis, steel pipe is avoided to encounter expanding head assembly 304, emulsion is sprayed at friction steel pipe inner wall reducing steel pipe inner wall and expander die by the nozzle while steel pipe enters expanding head before rod assembly 310, when expander die section is delivered in steel pipe front end, clamping trolley stops, master cylinder starts, drive expanding head to be flared to expander die by pull bar to contact with steel pipe inner wall, expansion, pressurize, amount of expansion is completed by the enlarging rate of setting, then master cylinder controls expanding head retraction original position, simultaneously lubricating system by expanding distribution of lubrication oil to the face of lubrication everywhere of expanding head assembly, lubricating system is that 1 step 1 is lubricated, reduce friction, extend the service life of expanding head assembly 304, clamping trolley sends steel pipe to simultaneously, when clamping trolley travels to lifting V-type roller 303, lifting V-type roller 303 drops to original position successively, when steel pipe arrives interlock lifting support roller device 306, pull bar shoring falls fast, ensure that steel pipe passes through smoothly, when steel pipe front end deliver in random straightening device 307 align beam front end time, both sides aligning beam stops to extending out to working position simultaneously, now start expanding, treat that 1 step is expanding to complete, expanding head retraction original position moment, aligning beam retraction original position, steel pipe is sent to by clamping trolley simultaneously, when delivering to the lifting V-type roller 303 on main machine base 311 when steel pipe, lifting V-type roller 303 rises to working position and holds steel pipe, pull bar shoring simultaneously in supplemental support roller arrangement 310 falls fast, ensure that steel pipe passes through smoothly.According to the length of expanding steel pipe, in steel pipe delivery process, before steel pipe, large section is sent by clamping trolley, and rear segment is given initiatively backing roll by clamping trolley and sent, and both feed rates are connected consistent.After steel pipe total length has expanded, steel pipe is first driven by active backing roll and exits, give clamping trolley again and retreat to original position, in steel pipe fallback procedures, two place's pull bar supporting steels jack-up successively, support rod assembly, lifting V-type roller 303 on main machine base 311 is down to original position, when clamping trolley is through its excess-three cover lifting V-type roller 303, lifting V-type roller 303 rises to working position successively and holds steel pipe, when clamping trolley falls back on original position, 3 cover lifting V-type rollers 303 decline simultaneously, steel pipe is placed in fixing rotating roller 302, expanding complete steel pipe is delivered to afterflush station 4 by now steel pipe outlet travelling platform 5, when steel pipe is put into after on rollgang 401, lifting roller-conveying 401 rises and steel pipe is formed 0.5 degree of inclination angle, rollgang 401 starts simultaneously to be carried steel pipe forward, when steel pipe market is to syringe pipe front end, sensor detects steel pipe, syringe pipe starts to spray emulsion, steel pipe enter cantilever lever device 402 first through 1# guide support wheel carry out inlet guide to, follow-up now can playing through 2# guide support wheel supports cantilever lever effect, when support roller device 403 front end delivered to by steel pipe (now support roller device 403 supports cantilever lever device 402), sensor detects steel pipe, now support roller device 403 drop to assigned address ensure steel pipe pass through smoothly, when steel pipe front end sensors detects steel pipe tail end, whole steel pipe total length is rinsed complete, emulsion flushing valve is closed, clear water flushing valve is simultaneously opened, syringe pipe starts to spray clear water, steel pipe is retreated conveying by the reverse transmission of rollgang 401, when steel pipe is through support roller device 403, sensor detects steel pipe, support roller device 403 rises fast and is propped up by cantilever lever device 402, when syringe pipe is exited in steel pipe front end, sensor detects steel pipe, clear water flushing valve is closed, steel pipe market is to original position, rollgang 401 stops, now the impurity such as water of steel pipe inner wall is vacated completely under the inclination angle of 0.5 degree, now rise and fall roller drops to bottom, steel pipe is kept flat on rollgang 401, sensor detects steel pipe, to steel pipe outlet travelling platform 5 signal, steel pipe is delivered to next station, so far the main working process of whole expanding unit all completes.
It should be noted that, to be apparent for those skilled in the art to the multiple amendment of the above-mentioned explanation of the disclosed embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore; the utility model can not be restricted to these embodiments shown in this article; anyone should learn the structure change made under enlightenment of the present utility model, and every have identical or akin technical scheme with the utility model, all belongs to protection domain of the present utility model.
Claims (6)
1. the expanding unit of diameter submerged-arc welded (SAW) pipe total length in a kind, comprise expanding unit overall, it is characterized in that, described expanding unit is totally exported travelling platform formed by steel pipe entrance travelling platform, front flushing station, expanding station, afterflush station, steel pipe, is also equipped with independently water circuit system, lubricating system, hydraulic system, electrical system simultaneously; Described steel pipe entrance travelling platform and steel pipe outlet travelling platform car body are monolithic construction, car body are loaded with random hydraulic power unit and electric integrated system; Rinse station before described to fix rotating roller by syringe pipe device, catchment covers device and one group and form; The expanding mode of described expanding station is step-by-step movement, often walk the effective straight section length setting of expanding length according to expander die, expanding station by clamping trolley assembly, fixing rotating roller, lifting V-type roller, expanding head assembly, initiatively backing roll drive unit, interlock lifting support roller device, random straightening device, initiatively support roller device, supplemental support roller arrangement, rod assembly, main machine base and mail oil cylinder device form in lifting; Described afterflush station keeps off pipe device by rollgang, cantilever lever device, support roller device, guard shield, crane device, rear portion.
2. according to the expanding unit of diameter submerged-arc welded (SAW) pipe total length in the one described in claim 1, it is characterized in that: the hoofing part of described steel pipe entrance travelling platform and steel pipe outlet travelling platform is pinion and-rack, and installs by guide roller in gear both sides.
3. according to the expanding unit of diameter submerged-arc welded (SAW) pipe total length in the one described in claim 1, it is characterized in that: the syringe pipe device before described in flushing station and catchment covers device are all integrated on respective car body, can move around by forward-reverse, shower nozzle in syringe pipe device and the pipeline of water system are connected, and shower nozzle can oscilaltion.
4. according to the expanding unit of diameter submerged-arc welded (SAW) pipe total length in the one described in claim 1, it is characterized in that: the main machine base in described expanding station is integral steel structure weldment, wherein said mail oil cylinder device, interlock lifting support roller device, lifting active support roller device, random straightening device, supplemental support roller arrangement are all installed on main machine base; Described rod assembly is bound up by the piston rod on attaching nut and mail oil cylinder device, and described expanding head assembly is bound up by attaching nut and rod assembly, expanding head assembly is provided with expander die, directly contacts time expanding with steel pipe inner wall; Described interlock lifting support roller device is made up of pull bar shoring, driven roller, below the front end being arranged on rod assembly; Described driven roller directly contacts with outer wall of steel pipe immediately below steel pipe; Described supplemental support roller arrangement is made up of pull bar shoring, is arranged on immediately below rod assembly posterior segment; Described random straightening device is arranged on main machine base, has two to align beam in main machine base central axis both sides; Described lifting V-type roller has four covers, is wherein a set ofly arranged on main machine base, all displacement transducer is housed in the hoist cylinder in described mail oil cylinder device, and CNC controls; Described fixing rotating roller is arranged in both sides, travelling platform tunnel; Described clamping trolley assembly is by clamping trolley, clamping trolley travel driving unit and rear portion guiding beam device assembly, clamp is equipped with in clamping trolley front portion, clamping trolley travel driving unit is power set, type of drive is rack pinion, guide support ring is equipped with in gear both sides, rear portion guiding beam device is the installation carrier of tooth bar, and guide-rail plate, guide roller are equipped with in tooth bar both sides, and crossbeam afterbody is equipped with running wheel.
5. according to the expanding unit of diameter submerged-arc welded (SAW) pipe total length in the one described in claim 1, it is characterized in that: the rollgang on described afterflush station is eight covers and is initiatively rollgang, wherein a set of have elevating function, evenly be arranged on the axis of steel pipe walking, described rollgang absolute altitude successively decreases from high to low successively, forms the inclination angle of 0.5 degree, cantilever lever device on described afterflush station is by cantilever lever, guide support is taken turns, syringe pipe, flushing line forms, described guide support wheel, syringe pipe, flushing line is installed on cantilever lever, guide support wheel is totally two covers, the bearing wheel on its top all contacts with steel pipe inner wall, a set of end being arranged on cantilever lever, a set of roughly golden section point place being arranged on cantilever lever, when steel pipe by time steel pipe inner wall can play a part to support cantilever lever, according to the difference of caliber and wall thickness, ensure that guide support wheel contacts with steel pipe inner wall all the time by pad and screw mandrel adjusting device, described syringe pipe is arranged on the front end of cantilever lever, there are three circle nozzles syringe pipe is circumferentially staggered, wherein two circle nozzles spray emulsions, one circle nozzles spray clear water, described flushing line has two-way pipeline, one is emulsion pipeline, one is clear water pipeline, emulsion is sprayed when steel pipe is sent to, support roller device on described afterflush station is made up of pedestal, guide pillar, carrying roller, oil cylinder, oil cylinder inbuilt displacement sensor, crane drive motors built-in encoder on crane device on described afterflush station, described rear portion gear pipe device is placed on tail end, described guard shield forms primarily of the welding of stainless steel plate.
6. according to the expanding unit of diameter submerged-arc welded (SAW) pipe total length in the one described in claim 1, it is characterized in that: described expanding unit is totally by electric, hydraulic pressure, mechanical linkage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520866882.XU CN205110575U (en) | 2015-11-03 | 2015-11-03 | Well diameter submerged -arc welded (SAW) pipe total length hole enlargement unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520866882.XU CN205110575U (en) | 2015-11-03 | 2015-11-03 | Well diameter submerged -arc welded (SAW) pipe total length hole enlargement unit |
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| CN205110575U true CN205110575U (en) | 2016-03-30 |
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| CN201520866882.XU Expired - Fee Related CN205110575U (en) | 2015-11-03 | 2015-11-03 | Well diameter submerged -arc welded (SAW) pipe total length hole enlargement unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345762A (en) * | 2016-09-29 | 2017-01-25 | 张家港市港威超声电子有限公司 | Efficient cleaning machine for inner grooved copper tubes and cleaning method thereof |
| CN114273538A (en) * | 2021-12-17 | 2022-04-05 | 江苏双友智能装备科技股份有限公司 | Full-length expanding process for spiral steel pipe |
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2015
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345762A (en) * | 2016-09-29 | 2017-01-25 | 张家港市港威超声电子有限公司 | Efficient cleaning machine for inner grooved copper tubes and cleaning method thereof |
| CN106345762B (en) * | 2016-09-29 | 2019-02-01 | 张家港市港威超声电子有限公司 | Inner screw thread copper pipe efficient cleaning machine and its cleaning method |
| CN114273538A (en) * | 2021-12-17 | 2022-04-05 | 江苏双友智能装备科技股份有限公司 | Full-length expanding process for spiral steel pipe |
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Address after: Hu Dai Industrial Park North District 214000 in Jiangsu province Wuxi City foreshore (Taihu Town Industrial Park) Patentee after: Jiangsu two friends intelligent equipment Polytron Technologies Inc Address before: Hu Dai Industrial Park North District 214000 in Jiangsu province Wuxi City foreshore (Taihu Town Industrial Park) Patentee before: Wuxi Sunyou General Machine Co., Ltd. |
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Granted publication date: 20160330 Termination date: 20191103 |