CN109822162A - Super large caliber Water Cutting tapping machine - Google Patents
Super large caliber Water Cutting tapping machine Download PDFInfo
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- CN109822162A CN109822162A CN201910158269.5A CN201910158269A CN109822162A CN 109822162 A CN109822162 A CN 109822162A CN 201910158269 A CN201910158269 A CN 201910158269A CN 109822162 A CN109822162 A CN 109822162A
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- China
- Prior art keywords
- rotary shaft
- connecting rod
- tapping machine
- flange part
- super large
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The super large caliber Water Cutting tapping machine that the present invention provides a kind of novel in structural design, can be cut in pipeline, bracket including being installed in pipeline, the rotary shaft in bracket and on the pipeline axial direction, rotary shaft is rotatably connected in bracket, the front end of rotary shaft extends to bracket outer, and a gun platform is equipped in the front end of rotary shaft, high pressure waterjet head is mounted on gun platform and can axial-rotation with rotary shaft around rotary shaft.
Description
Technical field
The present invention relates to a kind of tapping machine more particularly to a kind of super large caliber Water Cutting tapping machines.
Background technique
Traditional hot tapping machine is to carry out machine cuts to pressure pipeline using the form of mechanical jacking, is opened to realize
Hole purpose.The boring cutter used in traditional trepanning is hardness alloy class cutter tip material, due to by cutter line
The limitation of speed, jacking cutting tool maximum outside diameter can only arrive at presentFor being more thanSuper large caliber it is with pressure
Aperture, traditional tapping machine will be unable to adapt to perforating cutter.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, adapt to reality and need, provide a kind of novel in structural design,
It can be to the super large caliber Water Cutting tapping machine that pressure pipeline is cut.
In order to achieve the object of the present invention, the technical scheme adopted by the invention is as follows:
Design a kind of super large caliber Water Cutting tapping machine, including be installed in pipeline bracket, in bracket and be in
Rotary shaft on pipeline axial direction, rotary shaft are rotatably connected in bracket, and the front end of rotary shaft extends to bracket outer, and
The front end of rotary shaft is equipped with a gun platform, and high pressure waterjet head is mounted on gun platform and can axial-rotation with rotary shaft around rotary shaft.
Further include the regulating mechanism for driving rotary shaft axial movement, the rotary shaft be fixedly arranged at the front end with one with
Rotary shaft is in the first connecting rod of angle setting, and the lower end of first connecting rod is hinged with second connecting rod, and gun platform is fixed on second connecting rod；
It further include set outer central siphon on the rotary shaft, it is interior and can be that rotary shaft by first bearing is rotatably installed in outer central siphon
Rotation, the front end of outer central siphon are fixed with the connecting rod base extended downwardly in outer central siphon, and the lower end of the second connecting rod passes through third
Connecting rod and connecting rod base are rotatablely connected, and the both ends of connecting rod base are hinged with the lower end of connecting rod base, first connecting rod respectively；
Rotary shaft axial movement is driven by regulating mechanism, the top of first connecting rod can be promoted to connect with second connecting rod and first
The rotation of bar hinge joint, and then realize that arcuate oscillating motion is done in gun platform lower end and the high pressure waterjet cephalic par being installed on gun platform, pass through this
Mode can realize the adjusting in gap between high pressure waterjet cephalic par and inner wall of the pipe.
The bracket includes at least two symmetrically arranged guide rods, and the front end of two guide rods is connected by pedestal, base
Cover for seat is on outer central siphon, and outer central siphon is installed in pedestal and can be rotated in pedestal by base bearing；Described two guiding
The tail end of bar is connected by upper flange part.
Driven gear, the driving gear on driven gear and driving motor output shaft are installed on the tube wall of the outer central siphon
Engagement connection.
The regulating mechanism includes the deep hole being provided in rotation shaft tail end, is equipped with a pull rod, the front end of pull rod in deep hole
It is installed in deep hole by screw rod bearing, and pull rod can be rotated by screw rod bearing, rotation can be driven when pull rod axial movement
Axis axial movement.
Further including being oppositely oriented the fixed lifting seat of bar, feed screw nut is installed on lifting seat, the pull rod is screw rod,
The front end of pull rod is through feed screw nut and is threadedly coupled therewith.
Gear wheel is installed on the front end of the pull rod, drive shaft is installed on upper flange part, drive shaft passes through drive shaft
It holds and is installed on upper flange part, the front end of the drive shaft is equipped with pinion gear, the pinion gear and gear wheel engaged transmission, small
Power axis connection on gear and driving motor.
It further include inner flange part, inner flange part is covered on the outer central siphon by second bearing, and inner flange part passes through the
Two bearings can be rotated, further include with the relatively-stationary guide plate of inner flange part, guide plate is held by adjustment axis is rotatably installed in rotation
In shaft, the lifting seat is fixedly connected by bolt with guide plate, and the lower end of the inner flange part is fixed on by fixing sleeve
On guide rod, the edge of the guide plate is by pilot sleeve sliding sleeve on the guide rod.
Adjusting nut is installed, adjusting nut internal screw thread is connected with adjusting screw rod, the guide plate on the inner flange part
On be fixedly installed with adjusting sleeve, adjust screw rod and be rotatably connected on and adjust in sleeve.
The beneficial effects of the present invention are:
It is the design its novel in structural design, compact, cutting aperture operation with pressure inside pipeline can be realized by the design, solved
It has determined the problems of pressure pipeline super large caliber press and open holes.
Detailed description of the invention
Fig. 1 is principle structural design schematic illustration of the invention；
Fig. 2 is principle structural design principle and using state structure diagram of the invention.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
Embodiment 1: a kind of super large caliber Water Cutting tapping machine, referring to Fig. 1, Fig. 2；
Generally speaking, it includes the bracket being installed in pipeline, is located at branch the super large caliber Water Cutting tapping machine of the design
In frame and the rotary shaft 10 on conduit axis direction.
Specifically, the bracket includes two symmetrically arranged guide rods 70, and the front end of two guide rods 70 passes through base
Seat 45 connects, 45 sets of pedestal on outer central siphon 30, and by base bearing 41 to be installed on pedestal 45 interior and can be in base for outer central siphon 10
Rotation in seat 45, and the two is relatively fixed in the axial direction for pedestal and outer central siphon, can not move to axial.
The tail end of described two guide rods 70 is fixedly connected by upper flange part 71.
In the design, rotary shaft 10 is rotatably connected in bracket, and the front end of rotary shaft 10 extends to bracket outer, and is revolving
The front end of shaft 10 is equipped with a gun platform 23, and high pressure waterjet head 90 is mounted on gun platform 23 and can axis with rotary shaft around rotary shaft
Rotation.To achieve the above object, the design it further include regulating mechanism for driving the rotary shaft 10 to move axially, pass through
Adjustment structure drives rotary shaft 10 to move axially.
Further, the design also the rotary shaft 10 be fixedly arranged at the front end with one with rotary shaft 10 in angle setting the
One connecting rod 20, the lower end of first connecting rod 20 are hinged with the (hinge that 21 are identified in figure as first connecting rod and second connecting rod of second connecting rod 22
Contact), gun platform 23 is fixed on second connecting rod 22；It further include the outer central siphon 30 covered in rotary shaft 10, rotary shaft 10 passes through the
One bearing 31 is rotatably installed in outer central siphon 30 and can rotate in outer 30 inner circumferential of central siphon, 31 outer ring of first bearing and outer central siphon
Inner wall is fixedly connected, and rotary shaft is through first bearing and can slide axially in first bearing.
Meanwhile the front end of outer central siphon 10 is fixed with the connecting rod base 28 extended downwardly, the lower end of the second connecting rod 22 is logical
It crosses third connecting rod 26 and connecting rod base 28 is rotatablely connected, lower end of the both ends of connecting rod base respectively with connecting rod base, first connecting rod hingedly (is schemed
Middle mark 25 is the hinge joint of third connecting rod and second connecting rod, and mark 27 is the hinge joint of third connecting rod and connecting rod base in figure).
Further, the design is also equipped with driven gear 32 on the tube wall of the outer central siphon 10, driven gear 32 with
Driving gear in driving motor output shaft engages connection, drives driven gear 32 to rotate by driving motor, and then can realize
Outer central siphon 30 is driven to rotate by driven gear 32, and connecting rod base is fixedly connected with outer central siphon, when the rotation of outer central siphon, rotation
Axis and its gun platform of front end also can be rotated, and the high pressure waterjet head 90 on such gun platform can do 360 degree of circular motion and realize to pipeline
Inner wall is circumferentially cutting.
Specifically, regulating mechanism described in the design includes the deep hole being provided in 10 tail end of rotary shaft, is equipped in deep hole
The front end of one pull rod 62, pull rod 62 is installed in deep hole by screw rod bearing 63, and pull rod 62 can be rotated by screw rod bearing 63,
But pull rod relative rotation axi is fixed in the axial direction namely pull rod relative rotation axi is irremovable in the axial direction, and is worked as
Pull rod can drive rotary shaft to move axially when moving axially.
Further include being oppositely oriented the fixed lifting seat 60 of bar 70, feed screw nut 61, the pull rod are installed on lifting seat 60
It is screw rod, the front end of pull rod is threadedly coupled through feed screw nut and therewith；Specifically, it is installed on the front end of the pull rod 62
There is gear wheel 72, drive shaft 74 is installed, drive shaft 74 is by driving bearing 75 to be installed on upper flange part 71 on upper flange part 71
On, the front end of the drive shaft 74 is equipped with pinion gear 73, the pinion gear 73 and gear wheel engaged transmission, pinion gear and driving
Power axis connection on motor can successively drive the rotation of pinion gear, gear wheel and pull rod by drive shaft turns, and it rises
Drop seat 60 and guide rod are relatively fixed (feed screw nut 61 and lifting seat are fixed), in pull rod rotation, pull rod axial movement, at this time
Rotary shaft is also moved in the axial direction.
It more specifically, further include inner flange part 50, inner flange part 50 is by 33 sets of second bearing in the outer central siphon 30
On, and inner flange part 50 can be rotated by second bearing, inner flange part 50 is fixedly connected by fixing sleeve 58 with guide rod, is also wrapped
It includes and is rotatably installed in rotary shaft 10 with the relatively-stationary guide plate 53 of inner flange part 50, guide plate 53 by adjusting bearing 57,
Guide plate 53 can not relatively move in the axial direction with rotary shaft, and the lifting seat 60 is fixed by bolt 65 and guide plate 53
Connection, the edge of the guide plate is by 67 sliding sleeve of pilot sleeve on the guide rod 70.
Further, the design is also equipped with adjusting nut 51 on the inner flange part, and 51 internal screw thread of adjusting nut connects
It is connected to and adjusts screw rod 52, be fixedly installed on the guide plate 53 and adjust sleeve 55, the end for adjusting screw rod 52 is rotatably connected on
It adjusts in sleeve 55, and axial displacement can not be occurred in the axial direction by adjusting screw rod 52 and adjusting 55 the two of sleeve.
The design by regulating mechanism drive rotary shaft axial movement, can promote the top of first connecting rod with second connecting rod with
The rotation of first connecting rod hinge joint, and then realize that arcuate oscillating motion is done in gun platform lower end and the high pressure waterjet cephalic par being installed on gun platform,
The arc direction as shown in mark 92 in Fig. 2, can realize gap between high pressure waterjet cephalic par and inner wall of the pipe 91 in this way
Adjusting, by this gap adjust can be achieved high pressure waterjet head move up and down, it is ensured that cutting go on smoothly.
Specifically, in a particular application, guide rod is to be fixed in pipeline to the design, and rotary shaft is located at pipeline axis
On line position, at this point, rotation drive shaft 74 rotates and drives pull rod rotation by gear wheel, at this point, pull rod occurs in the axial direction
It is mobile, at this point, rotary shaft follows pull rod to move in the axial direction together, at this point, outer central siphon keeps different in the axial direction, rotary shaft
The first connecting rod of end drives second connecting rod with hinge joint 21 for center of rotation rotation, at this point, connecting rod base 28 is kept in the axial direction
It is motionless, it is swung at this point, the high pressure waterjet cephalic par of gun platform front end does the arc direction as shown in mark 92 in Fig. 2, in this way
Adjust the gap between high pressure waterjet cephalic par and inner wall of the pipe.
Then rotation adjusts screw rod and promotes guide plate mobile to rotary shaft opposite direction, at this point, rotary shaft is in the axial direction
Pulling force with both direction, at this point, can solve by the reversal interlocking relay for adjusting screw rod because fit-up gap causes rotary shaft to exist
Subtle displacement occurs in axial direction, it can be achieved that the fixation of rotary shaft in the axial direction, at this point, the position of high pressure waterjet head is fixed,
Then, driven gear is driven to rotate by driving motor, at this point, rotary shaft will drive outer central siphon rotation, due to connecting rod base and outside
Central siphon end is fixedly connected, at this point, outer central siphon will drive third connecting rod, second connecting rod, first connecting rod and fix with first connecting rod
The rotary shaft of connection rotates, achievable 360 degree of cuttings to pipeline outer wall when rotary shaft does circumferential movement.
What the embodiment of the present invention was announced is preferred embodiment, and however, it is not limited to this, the ordinary skill people of this field
Member, easily according to above-described embodiment, understands spirit of the invention, and make different amplification and variation, but as long as not departing from this
The spirit of invention, all within the scope of the present invention.
Claims (9)
1. a kind of super large caliber Water Cutting tapping machine, it is characterised in that: including be installed in pipeline bracket, be located at bracket in simultaneously
Rotary shaft on pipeline axial direction, rotary shaft are rotatably connected in bracket, and the front end of rotary shaft extends to bracket outer,
And it is equipped with a gun platform in the front end of rotary shaft, high pressure waterjet head is mounted on gun platform and can revolve with rotary shaft around the axial direction of rotary shaft
Turn.
2. super large caliber Water Cutting tapping machine as described in claim 1, it is characterised in that: further include for driving the rotation
The regulating mechanism of axis axial movement, the rotary shaft be fixedly arranged at the front end with one be in angle setting with rotary shaft first connecting rod, the
The lower end of one connecting rod is hinged with second connecting rod, and gun platform is fixed on second connecting rod；
It further include the outer central siphon of set on the rotary shaft, rotary shaft is rotatably installed in outer central siphon by first bearing and can be in outer shaft
Rotation, the front end of outer central siphon are fixed with the connecting rod base extended downwardly in pipe, and the lower end of the second connecting rod passes through third connecting rod
It is rotatablely connected with connecting rod base, the both ends of connecting rod base are hinged with the lower end of connecting rod base, first connecting rod respectively；
Rotary shaft axial movement is driven by regulating mechanism, the top of first connecting rod can be promoted to cut with scissors with second connecting rod and first connecting rod
Contact rotation, and then realize that arcuate oscillating motion is done in gun platform lower end and the high pressure waterjet cephalic par being installed on gun platform, in this way
The adjusting in gap between high pressure waterjet cephalic par and inner wall of the pipe can be achieved.
3. super large caliber Water Cutting tapping machine as claimed in claim 2, it is characterised in that: the bracket includes at least two pairs
Claim the guide rod of setting, the front end of two guide rods is connected by pedestal, and base sleeve is on outer central siphon, and outer central siphon passes through pedestal
Bearing is installed in pedestal and can rotate in pedestal；The tail end of described two guide rods is connected by upper flange part.
4. super large caliber Water Cutting tapping machine as claimed in claim 3, it is characterised in that: installed on the tube wall of the outer central siphon
There is driven gear, driven gear engages connection with the driving gear in driving motor output shaft.
5. super large caliber Water Cutting tapping machine as claimed in claim 2, it is characterised in that: the regulating mechanism includes being provided with
The deep hole in shaft tail end is rotated, is equipped with a pull rod in deep hole, the front end of pull rod is installed in deep hole by screw rod bearing, and pull rod
It can be rotated by screw rod bearing, rotary shaft can be driven to move axially when pull rod axial movement.
6. super large caliber Water Cutting tapping machine as described in claim 1, it is characterised in that: further include being oppositely oriented what bar was fixed
Lifting seat, is equipped with feed screw nut on lifting seat, and the pull rod is screw rod, the front end of pull rod through feed screw nut and therewith spiral shell
Line connection.
7. super large caliber Water Cutting tapping machine as claimed in claim 6, it is characterised in that: be equipped on the front end of the pull rod
Gear wheel is equipped with drive shaft on upper flange part, drive shaft by driving bearing to be installed on upper flange part, the drive shaft
Front end is equipped with pinion gear, the pinion gear and gear wheel engaged transmission, the power axis connection in pinion gear and driving motor.
8. super large caliber Water Cutting tapping machine as claimed in claim 7, it is characterised in that: further include inner flange part, inner flange
Part is covered on the outer central siphon by second bearing, and inner flange part can be rotated by second bearing, further include and inner flange part
Relatively-stationary guide plate, guide plate are held by adjustment axis and are rotatably installed in rotary shaft, and the lifting seat passes through bolt and leads
It is fixedly connected to plate, the lower end of the inner flange part is fixed on the guide bar by fixing sleeve, and the edge of the guide plate passes through
Pilot sleeve sliding sleeve is on the guide rod.
9. super large caliber Water Cutting tapping machine as claimed in claim 8, it is characterised in that: be equipped with tune on the inner flange part
Nut is saved, adjusting nut internal screw thread is connected with adjusting screw rod, and adjusting sleeve is fixedly installed on the guide plate, adjusts screw rod and turns
Dynamic be connected to is adjusted in sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910158269.5A CN109822162B (en) | 2019-03-04 | 2019-03-04 | Ultra-large caliber water cutting tapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910158269.5A CN109822162B (en) | 2019-03-04 | 2019-03-04 | Ultra-large caliber water cutting tapping machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109822162A true CN109822162A (en) | 2019-05-31 |
| CN109822162B CN109822162B (en) | 2023-09-12 |
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ID=66865206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910158269.5A Active CN109822162B (en) | 2019-03-04 | 2019-03-04 | Ultra-large caliber water cutting tapping machine |
Country Status (1)
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| CN (1) | CN109822162B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10057689A1 (en) * | 2000-11-21 | 2002-06-06 | Benteler Automobiltechnik Gmbh | Device for precise cutting of pipe end, comprising rotating cutting edges for cutting along outer surface and additional blade acting on inner surface |
| JP2002302950A (en) * | 2001-04-05 | 2002-10-18 | Kubota Corp | Device for cutting pile head of metal pile |
| CN2584337Y (en) * | 2002-12-10 | 2003-11-05 | 王洪 | Cutting blowpipe angle oscillation device |
| JP2005334993A (en) * | 2004-05-25 | 2005-12-08 | Izumi Pump Seisakusho:Kk | Pipe cutting device |
| JP2010023117A (en) * | 2008-07-15 | 2010-02-04 | Eiji Funada | Circular pipe cutting tool |
| JP3171700U (en) * | 2011-09-02 | 2011-11-10 | 祥顯 菅原 | Pipe cutting device |
| CN103157933A (en) * | 2013-03-21 | 2013-06-19 | 南京奥特电气股份有限公司 | Vertical-type and connecting-rod-type intersecting line cutting head |
| CN204076335U (en) * | 2014-09-01 | 2015-01-07 | 山东龙口特种胶管有限公司 | A kind of fraising instrument of sebific duct endoporus |
| CN204262470U (en) * | 2014-10-09 | 2015-04-15 | 天合石油集团汇丰石油装备有限公司 | The cut part of rotary pipe internal cutter, piston element and rotary pipe internal cutter |
| CN106825735A (en) * | 2017-03-14 | 2017-06-13 | 覃小倩 | A kind of pipe laying cutting machine and its cutting method |
| CN106956031A (en) * | 2017-03-14 | 2017-07-18 | 覃小倩 | A kind of pipe cutter and its cutting method |
| CN107052461A (en) * | 2017-03-14 | 2017-08-18 | 覃小倩 | A kind of pipe cutting method |
| CN108500002A (en) * | 2018-03-27 | 2018-09-07 | 刘畅 | A kind of Intelligent medical flask cleaning device |
| CN108747647A (en) * | 2018-04-28 | 2018-11-06 | 福建省南安市霞美电子设备厂 | One kind being easily caught in inner wall of the pipe arrangement for grinding |
| CN209716646U (en) * | 2019-03-04 | 2019-12-03 | 新余飞虎管道技术设备有限责任公司 | Super large caliber Water Cutting tapping machine |
-
2019
- 2019-03-04 CN CN201910158269.5A patent/CN109822162B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10057689A1 (en) * | 2000-11-21 | 2002-06-06 | Benteler Automobiltechnik Gmbh | Device for precise cutting of pipe end, comprising rotating cutting edges for cutting along outer surface and additional blade acting on inner surface |
| JP2002302950A (en) * | 2001-04-05 | 2002-10-18 | Kubota Corp | Device for cutting pile head of metal pile |
| CN2584337Y (en) * | 2002-12-10 | 2003-11-05 | 王洪 | Cutting blowpipe angle oscillation device |
| JP2005334993A (en) * | 2004-05-25 | 2005-12-08 | Izumi Pump Seisakusho:Kk | Pipe cutting device |
| JP2010023117A (en) * | 2008-07-15 | 2010-02-04 | Eiji Funada | Circular pipe cutting tool |
| JP3171700U (en) * | 2011-09-02 | 2011-11-10 | 祥顯 菅原 | Pipe cutting device |
| CN103157933A (en) * | 2013-03-21 | 2013-06-19 | 南京奥特电气股份有限公司 | Vertical-type and connecting-rod-type intersecting line cutting head |
| CN204076335U (en) * | 2014-09-01 | 2015-01-07 | 山东龙口特种胶管有限公司 | A kind of fraising instrument of sebific duct endoporus |
| CN204262470U (en) * | 2014-10-09 | 2015-04-15 | 天合石油集团汇丰石油装备有限公司 | The cut part of rotary pipe internal cutter, piston element and rotary pipe internal cutter |
| CN106825735A (en) * | 2017-03-14 | 2017-06-13 | 覃小倩 | A kind of pipe laying cutting machine and its cutting method |
| CN106956031A (en) * | 2017-03-14 | 2017-07-18 | 覃小倩 | A kind of pipe cutter and its cutting method |
| CN107052461A (en) * | 2017-03-14 | 2017-08-18 | 覃小倩 | A kind of pipe cutting method |
| CN108500002A (en) * | 2018-03-27 | 2018-09-07 | 刘畅 | A kind of Intelligent medical flask cleaning device |
| CN108747647A (en) * | 2018-04-28 | 2018-11-06 | 福建省南安市霞美电子设备厂 | One kind being easily caught in inner wall of the pipe arrangement for grinding |
| CN209716646U (en) * | 2019-03-04 | 2019-12-03 | 新余飞虎管道技术设备有限责任公司 | Super large caliber Water Cutting tapping machine |
Non-Patent Citations (1)
| Title |
|---|
| 杨志孝;: "一种简单实用的螺旋埋弧焊管内焊清渣机", 焊管, no. 05, pages 63 - 65 * |
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| Publication number | Publication date |
|---|---|
| CN109822162B (en) | 2023-09-12 |
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