CN103447810A - Pipe-end guard ring tightly expanding assembly machine for steel-plastic composite pipe - Google Patents
Pipe-end guard ring tightly expanding assembly machine for steel-plastic composite pipe Download PDFInfo
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- CN103447810A CN103447810A CN2013104233805A CN201310423380A CN103447810A CN 103447810 A CN103447810 A CN 103447810A CN 2013104233805 A CN2013104233805 A CN 2013104233805A CN 201310423380 A CN201310423380 A CN 201310423380A CN 103447810 A CN103447810 A CN 103447810A
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Abstract
The invention belongs to the field of steel pipe processing, and particularly relates to a pipe-end guard ring tightly expanding assembly machine for a steel-plastic composite pipe, which is used for tightly expanding a guard ring of a plastic pipe at the end part of a steel pipe of a sleeve. The pipe-end guard ring tightly expanding assembly machine comprises a master engine base, a steel pipe stationary fixture and a tightly expanding device both arranged on the master engine base, wherein the master engine base comprises a guiding base and a tightly expanding mechanism arranged on an advancing base; a transverse guiding shaft is arranged on the guiding base; the tightly expanding mechanism comprises a sliding seat erected on the guiding shaft and capable of sliding along the guiding shaft, an expanding and shrinking rack arranged on the sliding seat, and tightly expanding components arranged on the tightly expanding rack; the tightly expanding components comprise an expanding and shrinking shaft, an expanding and shrinking shaft sleeve and a tightly expanding head; the tightly expanding head comprises inner sliding blocks arranged at the front end of the transmission shaft, and outer sliding blocks buckled on the inner sliding blocks and capable of sliding in the radial direction. According to the assembly machine, a steel pipe can be fixed through the steel pipe stationary fixture, and the plastic pipe guard ring at the end part of the steel pipe is tightly expanded through the tightly expanding device.
Description
Technical field
The invention belongs to the steel pipe manufacture field, be specifically related to a kind of steel and mould pipe pipe end protection ring tensioner assembly machine.
Background technology
Some steel pipes need to be put one deck again and mould pipe due to specific demand in steel pipe, the laminating of inner and outer pipes tube wall, the visible obvious two-layer pipe in two ends, due to the seam knocking of steel pipe two ends inner and outer pipes outside, in use or handling process, end is easily impaired causes warpage, two pipe layerings, split or inner tube is gradually extended and caused the de-pipe of two pipe relative slidings from the end breach, greatly shorten the service life of the steel pipe of two sleeve pipes, base does not damage to just may using, increased the cost of all directions, simultaneously energy-conserving and environment-protective not.
Summary of the invention
The objective of the invention is for the deficiencies in the prior art part, provide a kind of steel of moulding the protection of pipe ring for the steel tube end part tensioner at sleeve pipe to mould pipe pipe end protection ring tensioner assembly machine.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs:
A kind of steel is moulded pipe pipe end protection ring tensioner assembly machine; comprise total support, be arranged at steel tube fixing clamp tool and swelling device on total support; described swelling device comprises guide seats and is arranged at the tension mechanism on the base that moves ahead; be provided with the axis of guide of horizontally set on described guide seats, described tension mechanism comprises the slide that is set up on the axis of guide and can slides along the axis of guide and is arranged at the harmomegathus frame on slide and is arranged at the tensioner parts on the tensioner frame.
Mould the protection of pipe ring and be arranged in the steel pipe tube chamber, and mould protection of pipe ring outer end and be provided with the annular cover plate that can cover steel tube end part inner and outer pipes seam.After moulding the protection of pipe ring and placing, its outside spreading need to be close to and just can make to mould the protection of pipe ring on the tube wall of steel pipe inner tube and be securely fixed on steel pipe, all be difficult for dropping in use, carrying or installation process and can well protect steel tube end part.The present invention carries out the assembly machine of tensioner to moulding the protection of pipe ring.
This assembly machine is fixed steel pipe by the steel tube fixing clamp tool, then by swelling device, the protection of pipe ring of moulding of steel tube end part is carried out to tensioner.
As preferably, be provided with the steel pipe fixed frame on described total support, described steel tube fixing clamp tool comprises being arranged on the steel pipe fixed frame first fixture moving up and down and being positioned at first fixture below and is fixedly arranged on the lower clamp half on total support; Described tensioner parts comprise expansion shaft, be sheathed on harmomegathus axle sleeve on expansion shaft, be connected in the power transmission shaft of expansion shaft rear end and be connected in the expansion shaft front end and the tensioner head corresponding with steel tube fixing clamp tool position, and described harmomegathus head comprises the inner slide that is arranged at the power transmission shaft front end and is buckled in outer slide on inner slide and that can radially slide.
First fixture descends and coordinates and clamp steel pipe with lower clamp half, first fixture automatic-ascending after tensioner completes, extensible steel pipe.After the steel tube fixing clamp tool is clamped steel pipe, the steel tube fixing clamp tool is corresponding with a harmomegathus position be steel pipe axle center just with the axle center of tensioner head on the same straight line, mould environmental protection retaining ring stress equalization while guaranteeing tensioner, spreading is even, tensioner is effective.
Sliding in inner slide front and back under the drive of power transmission shaft, can drive the outside spreading of outer slide or indentation, during spreading, can will mould protection of pipe ring tensioner.
As preferably, described expansion shaft front end is provided with polygon column connecting axle, described inner slide is for being arranged at respectively a plurality of on each outer surface of connecting axle, and inner slide is fixed on described connecting axle by screw, and described outer slide is corresponding with each inner slide a plurality of.
The tensioner parts are all the parts of steel material, so need to adopt the cooperation of a plurality of inner slides and outer slide outwards to slide the protection ring tensioner.
As preferably, described outer slide inboard is provided with chute, described inner slide is arranged in described chute, the chute notch is provided with in opposite directions for preventing the radially position-limited edge of de-groove of inner slide, described chute groove bottom is the inclined plane be affixed with the inner slide outer surface, and described inclined plane reduces from the rear end to the front end gradually to the distance of connecting axle.
Inclined plane arrange that while having realized inner slide to front slide, the direction of motion perpendicular to inner slide outwards promotes along footpath by outer slide, thereby make the outer slide that gos deep into protection ring make the outside tensioner of protection ring to the protection ring internal face application of force.
The setting of position-limited edge can make outer slide outwards rise with inner slide, simultaneously again can be with inner slide to inside contracting, and moving forward and backward of inner slide slided outer slide harmomegathus.
As preferably, described outer slide rear end is provided with the slide block connecting plate, the arranged outside of described harmomegathus axle sleeve has the slide block contiguous block, radially be provided with a word hole on described slide block contiguous block, described slide block contiguous block is connected by the bolt be arranged in a word hole with the slide block connecting plate, and described slide block connecting plate can slide along a word hole.
Bolt cannot be tightened, and guarantees that outer slide can slide and realize harmomegathus along a word hole.
As preferably, described power transmission shaft rear end is connected with hydraulic cylinder, and described harmomegathus frame comprises harmomegathus axle bed and hydraulic cylinder seat, and described expansion shaft cover is arranged on the expansion shaft seat, and described hydraulic cylinder is arranged on described hydraulic cylinder seat.
Expansion shaft is realized moving forward and backward in the harmomegathus axle sleeve under the drive of hydraulic cylinder, thereby drive inner slide, moves forward and backward.
As preferably, described guide seats comprises symmetrically arranged a pair of slide carriage support plate, be arranged with a pair of axis of guide between described slide carriage support plate in parallel, be provided with the gear frame that is fixed on the slide bottom between the axis of guide, described gear frame is fixed with and can drives the slide link that gear frame moves along axis of guide length direction.
The axis of guide with make the tensioner parts more firm when harmomegathus is worked coordinating of slide link, stabilization of equipment performance is good, tensioner is effective, the tensioner parts are difficult for deflection or dislocation, high efficiency, long service life.
As preferably, described slide carriage support plate arranged outside has cylinder, the piston rod of cylinder connects described slide link and slide link is moved vertically, described gear frame two bottom sides is provided with connecting pin, described slide connecting rod is arranged between connecting pin, and be connected by the pitman pin that runs through connecting pin and slide connecting rod, being arranged with guideway on the described axis of guide, described slide bottom is connected by guiding pin and guideway.
This connected mode is connected firmly, convenient disassembly, is convenient to maintenance, changes parts, and the transmission of power is balanced, stable.
As preferably, described connecting axle is the quadrangle connecting axle.
The quadrangle connecting axle is respectively to establish an inner slide and outer slide on four lateral surfaces of connecting axle, and said structure tensioner effect is best, and the cost performance of effect and component costs is the highest.
As preferably, fixture moving cylinder and the fixture guideway that is positioned at fixture moving cylinder both sides are set on described steel pipe fixed frame, described first fixture both sides vertically are installed with the fixture guide post be arranged in the fixture guideway, and top middle portion is installed with the fixture connecting rod of jockey moving cylinder piston rod.
First fixture slides up and down along the fixture guide post under the drive of cylinder, realizes the folding of fixture.
In sum, the present invention has following beneficial effect:
1, the steel pipe that this assembly machine is treated tensioner by the steel tube fixing clamp tool positions fixing, by the transmission of bottomed cylinder, the tensioner head is sent into and moulded the protection of pipe ring again, make the slide block connecting plate be against on annular cover plate simultaneously, thereby annular cover plate is close on Steel pipe end surface to be positioned moulding the Guan Baowei ring, by the hydraulic cylinder on top, promoting forward to make outer slide to radially slide expansion shaft again fits tightly moulding the outer tensioner of protection of pipe hoop and steel pipe inner tube, thereby the real function of tensioner again, the tensioner automaticity is high, efficiency is high, effective, mould the protection of pipe loop mapping accurate, protection to steel tube end part is effective, after tensioner mould the protection of pipe ring and steel pipe is connected firmly, difficult drop-off.
2, this assembly machine is simple in structure, firm, and cost is low, long service life, and installation, convenient disassembly, tensioner intensity is high, and the tensioner effect is high.
3, this assembling function is crossed and is changed the tensioner head and can carry out tensioner work to the steel pipe of similar shape not number, applied widely.
4, the steel strength after the processing of this assembly machine of earthing is high, long service life, and useless pipe rate is low.
The accompanying drawing explanation
Fig. 1 is the assembly machine structural representation;
Fig. 2 is assembly machine sectional structure schematic diagram;
Fig. 3 is the swelling device structural representation;
Fig. 4 is swelling device sectional structure schematic diagram;
Fig. 5 is harmomegathus header structure schematic diagram;
Fig. 6 is a harmomegathus tensioner status architecture schematic diagram;
Fig. 7 is V-V sectional structure schematic diagram in Fig. 4;
Fig. 8 is guide seats and slide carriage structure schematic diagram;
The 15-axis of guide in figure, the 16-slide, the 24-expansion shaft, 23-harmomegathus axle sleeve, the 21-inner slide, the 20-outer slide, the 241-connecting axle, the 202-position-limited edge, 203-slide block connecting plate, 231-slide block contiguous block, the 7-hydraulic cylinder, 25-harmomegathus axle bed, 26-hydraulic cylinder seat, the 14-slide carriage support plate, the 161-gear frame, the 28-slide link, the 11-cylinder, the 162-connecting pin, the 33-pitman pin, the 17-guideway, the 163-pin that leads, the total support of 4-, 5-steel pipe fixed frame, first fixture of 51-, the 41-lower clamp half, 53-fixture moving cylinder, 54-fixture guideway, 55-fixture connecting rod, 232-mono-word hole, 52-fixture guide post.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
This specific embodiment is only explanation of the invention; it is not limitation of the present invention; those skilled in the art can make to the present embodiment the modification that there is no creative contribution as required after reading this specification, but as long as all are subject to the protection of Patent Law in claim scope of the present invention.
Embodiment mono-:
A kind of steel is moulded pipe pipe end protection ring tensioner assembly machine; comprise total support 4, be arranged at steel tube fixing clamp tool and swelling device on total support 4; described swelling device comprises guide seats and is arranged at the tension mechanism on the base that moves ahead; be provided with the axis of guide 15 of horizontally set on guide seats, tension mechanism comprises the slide 16 that is set up on the axis of guide 15 and can slides along the axis of guide 15 and is arranged at the harmomegathus frame on slide 16 and is arranged at the tensioner parts on the tensioner frame.
Be provided with steel pipe fixed frame 5 on total support 4, described steel tube fixing clamp tool comprises being arranged on steel pipe fixed frame 5 first fixture 51 moving up and down and being positioned at first fixture 51 belows and is fixedly arranged on the lower clamp half 41 on total support 4; On first fixture and lower clamp half, correspondence is provided with semicircle steel pipe notch.The tensioner parts comprise expansion shaft 24, be sheathed on harmomegathus axle sleeve 23 on expansion shaft 24, be connected in the power transmission shaft of expansion shaft 24 rear ends and be connected in expansion shaft 24 front ends and the tensioner head corresponding with steel tube fixing clamp tool position, and the harmomegathus head comprises the inner slide 21 that is arranged at the power transmission shaft front end and is buckled in outer slide 20 on inner slide 21 and that can radially slide.Expansion shaft 24 front ends are provided with quadrangle column connecting axle 241, and inner slide 21 is for to be arranged at 4 on connecting axle 241 each outer surfaces respectively, and inner slide 21 is fixed on described connecting axle 241 by screw, and outer slide 20 is 4 corresponding with each inner slide 21.Outer slide 20 inboards are provided with chute, described inner slide 21 is arranged in chute, the chute notch is provided with in opposite directions for preventing the radially position-limited edge 202 of de-groove of inner slide 21, the chute groove bottom is the inclined plane be affixed with inner slide 21 outer surfaces, and inclined plane reduces from the rear end to the front end gradually to the distance of connecting axle 241.The outer slide cross section is fan-shaped, each outer slide be spliced to form one complete cylindrical.
The power transmission shaft rear end is connected with hydraulic cylinder 7, and piston rod and the power transmission shaft of hydraulic cylinder are connected, and power transmission shaft and expansion shaft are connected, thereby make piston rod movement drive the expansion shaft front and back, moves around.The harmomegathus frame comprises harmomegathus axle bed 25 and hydraulic cylinder seat 26, two seat boards that the harmomegathus axle bed arranges before and after comprising two, and harmomegathus axle sleeve 23 is arranged on harmomegathus axle bed 25, and hydraulic cylinder 7 is fixedly arranged on hydraulic cylinder seat 26 by rectangular flange.
Guide seats comprises symmetrically arranged a pair of slide carriage support plate 14, be arranged with a pair of axis of guide 15 between slide carriage support plate 14 in parallel, be provided with the gear frame 161 that is fixed on slide 16 bottoms between the axis of guide 15, gear frame 161 is fixed with and can drives the slide link 28 that gear frame 161 moves along the axis of guide 15 length directions.
Slide carriage support plate 14 rear sides of guide seats rear end are provided with cylinder 11, and the piston rod of cylinder 11 connects slide link 28 rear ends and slide link 28 is moved vertically through slide carriage support plate.Gear frame 161 two bottom sides are provided with connecting pin 162, and slide connecting rod 28 is arranged between connecting pin 162, and are connected by the pitman pin 33 that runs through connecting pin 162 and slide connecting rod 28, and pitman pin 33 traversing through end are provided with back-up ring and split pin.Be arranged with guideway 17 on the axis of guide 15, slide 16 bottoms are connected with guideway 17 by guiding pin 163.
Embodiment bis-:
Be in expansion shaft 24 front ends different from above-described embodiment is provided with triangle column connecting axle 241, and inner slide 21 is 3, outer slide 20
for3.
Embodiment tri-:
Be in expansion shaft 24 front ends different from above-described embodiment is provided with pentagon column connecting axle 241, and inner slide 21 is 5, outer slide 20
for5.
The fixture moving cylinder drives the fixture connecting rod and moves up and down, thereby make first fixture move up and down the folding that realizes steel tube fixing clamp along the fixture guide post, after first fixture moves down and coordinates with lower clamp half and clamp steel pipe, the transmission of swelling device bottomed cylinder moves forward the slide connecting rod, slide connecting rod band Moving plate seat and tensioner parts slide the tensioner head are sent into and moulded the protection of pipe ring, make the slide block connecting plate be against on annular cover plate simultaneously, annular cover plate is close on Steel pipe end surface to be positioned moulding the protection of pipe ring, Hydraulic Cylinder by top passes axially front motion again, power transmission shaft promotes expansion shaft forward inner slide is also travelled forward, outer slide starts along the inclined plane contacted with inner slide outwards to slide to moulding the outer tensioner of protection of pipe hoop perpendicular to the inner slide direction of motion, make to mould the protection of pipe ring and the steel pipe inner tube fits tightly, thereby the real function of tensioner again.After tensioner completes, on first fixture, move, steel pipe shifts out fixture.
This assembly machine tensioner automaticity is high, efficiency is high, effective, mould the protection of pipe loop mapping accurate, effective to the protection of steel tube end part, after tensioner mould the protection of pipe ring and steel pipe is connected firmly, difficult drop-off.
Claims (10)
1. a steel is moulded pipe pipe end protection ring tensioner assembly machine; it is characterized in that: comprise total support (4), be arranged at steel tube fixing clamp tool and swelling device on total support (4); described swelling device comprises guide seats and is arranged at the tension mechanism on the base that moves ahead; be provided with the axis of guide (15) of horizontally set on described guide seats, described tension mechanism comprises the slide (16) that is set up in the axis of guide (15) above and can slides along the axis of guide (15) and is arranged at the harmomegathus frame on slide (16) and is arranged at the tensioner parts on the tensioner frame.
2. a kind of steel is moulded pipe pipe end protection ring tensioner assembly machine according to claim 1, it is characterized in that: be provided with steel pipe fixed frame (5) on described total support (4), described steel tube fixing clamp tool comprises below being arranged at upper first fixture moving up and down (51) of steel pipe fixed frame (5) and being positioned at first fixture (51) and is fixedly arranged on the lower clamp half (41) on total support (4); Described tensioner parts comprise expansion shaft (24), be sheathed on harmomegathus axle sleeve (23) on expansion shaft (24), be connected in the power transmission shaft of expansion shaft (24) rear end and be connected in expansion shaft (24) front end and the tensioner head corresponding with steel tube fixing clamp tool position, and described harmomegathus head comprises the inner slide (21) that is arranged at the power transmission shaft front end and is buckled in outer slide (20) on inner slide (21) and that can radially slide.
3. a kind of steel is moulded pipe pipe end protection ring tensioner assembly machine according to claim 2; it is characterized in that: described expansion shaft (24) front end is provided with polygon column connecting axle (241); described inner slide (21) is for being arranged at respectively a plurality of on each outer surface of connecting axle (241); it is upper that inner slide (21) is fixed in connecting axle (241) by screw, and described outer slide (20) is corresponding with each inner slide (21) a plurality of.
4. a kind of steel is moulded pipe pipe end protection ring tensioner assembly machine according to claim 3; it is characterized in that: described outer slide (20) inboard is provided with chute; described inner slide (21) is arranged in described chute; the chute notch is provided with in opposite directions for preventing the radially position-limited edge (202) of de-groove of inner slide (21); described chute groove bottom is the inclined plane be affixed with inner slide (21) outer surface, and described inclined plane reduces from the rear end to the front end gradually to the distance of connecting axle (241).
5. a kind of steel is moulded pipe pipe end protection ring tensioner assembly machine according to claim 4; it is characterized in that: described outer slide (20) rear end is provided with slide block connecting plate (203); the arranged outside of described harmomegathus axle sleeve (23) has slide block contiguous block (231); radially be provided with a word hole on described slide block contiguous block (231); described slide block contiguous block (231) is connected by the bolt be arranged in a word hole with the slide block connecting plate, and described slide block connecting plate (203) can slide along a word hole.
6. a kind of steel is moulded pipe pipe end protection ring tensioner assembly machine according to claim 3; it is characterized in that: described power transmission shaft rear end is connected with hydraulic cylinder (7); described harmomegathus frame comprises harmomegathus axle bed (25) and hydraulic cylinder seat (26); it is upper that described harmomegathus axle sleeve (23) is arranged at harmomegathus axle bed (25), and described hydraulic cylinder (7) is arranged on described hydraulic cylinder seat (26).
7. a kind of steel is moulded pipe pipe end protection ring tensioner assembly machine according to claim 1; it is characterized in that: described guide seats comprises symmetrically arranged a pair of slide carriage support plate (14); be arranged with a pair of axis of guide (15) between described slide carriage support plate (14) in parallel; be provided with the gear frame (161) that is fixed on slide (16) bottom between the axis of guide (15), described gear frame (161) is fixed with and can drives the slide link (28) that gear frame (161) moves along the axis of guide (15) length direction.
8. a kind of steel is moulded pipe pipe end protection ring tensioner assembly machine according to claim 7, it is characterized in that: described slide carriage support plate (14) arranged outside has cylinder (11), the piston rod of cylinder (11) connects described slide link (28) and slide link (28) is moved vertically, described gear frame (161) two bottom sides is provided with connecting pin (162), described slide connecting rod (28) is arranged between connecting pin (162), and be connected by the pitman pin (33) that runs through connecting pin (162) and slide connecting rod (28), be arranged with guideway (17) on the described axis of guide (15), described slide (16) bottom is connected by guiding pin (163) and guideway (17).
9. a kind of steel is moulded pipe pipe end protection ring tensioner assembly machine according to claim 3, and it is characterized in that: described connecting axle (241) is the quadrangle connecting axle.
10. a kind of steel is moulded pipe pipe end protection ring tensioner assembly machine according to claim 9; it is characterized in that: fixture moving cylinder (53) is set on described steel pipe fixed frame (5) and is positioned at the fixture guideway (54) of fixture moving cylinder (53) both sides; described first fixture (51) both sides vertically are installed with the fixture guide post (52) be arranged in fixture guideway (54), and top middle portion is installed with the fixture connecting rod (55) of jockey moving cylinder (53) piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310423380.5A CN103447810B (en) | 2013-09-17 | 2013-09-17 | Pipe pipe end protection ring tensioner assembly machine moulded by a kind of steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310423380.5A CN103447810B (en) | 2013-09-17 | 2013-09-17 | Pipe pipe end protection ring tensioner assembly machine moulded by a kind of steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103447810A true CN103447810A (en) | 2013-12-18 |
| CN103447810B CN103447810B (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310423380.5A Active CN103447810B (en) | 2013-09-17 | 2013-09-17 | Pipe pipe end protection ring tensioner assembly machine moulded by a kind of steel |
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| CN (1) | CN103447810B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002122A (en) * | 2014-01-10 | 2014-08-27 | 宁波祥润自动化设备有限公司 | Press fitting mechanism for preventing positional deviation of water pipe joint of automobile engine oil cooler |
| CN104002123A (en) * | 2014-05-21 | 2014-08-27 | 浙江金洲管道科技股份有限公司 | Portable steel-plastic tube end protecting ring expanding and closing device |
| CN104028999A (en) * | 2014-06-30 | 2014-09-10 | 长城汽车股份有限公司 | Pressing machine for liner |
| CN106239893A (en) * | 2016-08-31 | 2016-12-21 | 浙江金洲管道科技股份有限公司 | A kind of inner lining of steel pipe swelling device |
| CN110421774A (en) * | 2018-05-06 | 2019-11-08 | 内蒙古君诚兴业管道有限责任公司 | A kind of on-line automatic concentricity poling plugging device and automatic foaming production line |
| CN113020461A (en) * | 2021-03-04 | 2021-06-25 | 湖南振辉管业有限公司 | Manual reinforcing device and method for metal plastic composite pipe |
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| CN201862701U (en) * | 2010-10-25 | 2011-06-15 | 合肥华信电动科技发展有限公司 | Pipe belling device |
| CN202555708U (en) * | 2012-02-15 | 2012-11-28 | 合肥长兴汽车配件有限公司 | Mouth bulging mechanism for slice steel pipes |
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| KR100871437B1 (en) * | 2007-12-18 | 2008-12-03 | 노영주 | Pipe expander |
| CN201220256Y (en) * | 2008-06-26 | 2009-04-15 | 贵州双阳飞机制造厂 | Device for mouth stretching of end of metal pipe fittings |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002122A (en) * | 2014-01-10 | 2014-08-27 | 宁波祥润自动化设备有限公司 | Press fitting mechanism for preventing positional deviation of water pipe joint of automobile engine oil cooler |
| CN104002122B (en) * | 2014-01-10 | 2017-01-11 | 宁波祥润自动化设备有限公司 | Press fitting mechanism for preventing positional deviation of water pipe joint of automobile engine oil cooler |
| CN104002123A (en) * | 2014-05-21 | 2014-08-27 | 浙江金洲管道科技股份有限公司 | Portable steel-plastic tube end protecting ring expanding and closing device |
| CN104028999A (en) * | 2014-06-30 | 2014-09-10 | 长城汽车股份有限公司 | Pressing machine for liner |
| CN104028999B (en) * | 2014-06-30 | 2016-08-31 | 长城汽车股份有限公司 | A kind of bush press-mounting machine |
| CN106239893A (en) * | 2016-08-31 | 2016-12-21 | 浙江金洲管道科技股份有限公司 | A kind of inner lining of steel pipe swelling device |
| CN106239893B (en) * | 2016-08-31 | 2018-10-09 | 浙江金洲管道科技股份有限公司 | A kind of inner lining of steel pipe swelling device |
| CN110421774A (en) * | 2018-05-06 | 2019-11-08 | 内蒙古君诚兴业管道有限责任公司 | A kind of on-line automatic concentricity poling plugging device and automatic foaming production line |
| CN110421774B (en) * | 2018-05-06 | 2023-11-10 | 内蒙古君诚兴业管道有限责任公司 | Online automatic concentricity poling plugging device and automatic foaming production line |
| CN113020461A (en) * | 2021-03-04 | 2021-06-25 | 湖南振辉管业有限公司 | Manual reinforcing device and method for metal plastic composite pipe |
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| Publication number | Publication date |
|---|---|
| CN103447810B (en) | 2015-12-02 |
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Denomination of invention: Pipe-end guard ring tightly expanding assembly machine for steel-plastic composite pipe Effective date of registration: 20171225 Granted publication date: 20151202 Pledgee: Bank of China, Limited by Share Ltd, Huzhou branch Pledgor: Zhejiang Kingland Pipeline Technology Co., Ltd. Registration number: 2017980000567 |