CN104028874A - Portable saddle-shaped cutting machine - Google Patents
Portable saddle-shaped cutting machine Download PDFInfo
- Publication number
- CN104028874A CN104028874A CN201410265994.XA CN201410265994A CN104028874A CN 104028874 A CN104028874 A CN 104028874A CN 201410265994 A CN201410265994 A CN 201410265994A CN 104028874 A CN104028874 A CN 104028874A
- Authority
- CN
- China
- Prior art keywords
- cutting
- great circle
- saddle
- roundlet
- lifting arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/005—Machines, apparatus, or equipment specially adapted for cutting curved workpieces, e.g. tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch
- B23K7/102—Auxiliary devices, e.g. for guiding or supporting the torch for controlling the spacial relationship between the workpieces and the gas torch
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch
- B23K7/105—Auxiliary devices, e.g. for guiding or supporting the torch specially adapted for particular geometric forms
- B23K7/107—Auxiliary devices, e.g. for guiding or supporting the torch specially adapted for particular geometric forms for cutting circles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention belongs to a cutting machine for cutting circles on arc faces and particularly relates to a portable saddle-shaped cutting machine. The portable saddle-shaped cutting machine comprises a fixed base, a great circle cutting mechanism and a small circle cutting mechanism; the great circle mechanism comprises a great circle cutting spindle arranged on the upper portion of the fixed base, and a lifting sliding table is arranged on the great circle cutting spindle and connected with a lifting arm; the small circle cutting mechanism is arranged at the end, away from the lifting sliding table, of the lifting arm and comprises a telescoping mechanism connected with the lifting arm, and a cutting mouth assembly is arranged at the bottom of a rotary air distribution assembly which is arranged at the end, away from the lifting arm, of the telescoping mechanism. The portable saddle-shaped cutting machine is a perforating machine widely applicable to national defense industry, shipbuilding and ocean engineering, pressure vessels for chemical industry, nuclear power plant equipment and utility boiler industry, and is capable of not only perforating on cylindrical shells and oval shells but also cutting projection round holes on other types of complex spatial curved surfaces and cutting variable-angle double grooves.
Description
Technical field
The invention belongs to Metal Cutting field, relate in particular a kind of cutting machine that cuts circle on arcwall face, be referred to as shape of a saddle cutting machine.
Background technology
In machining, usually need on curved metal face, cut circle, conventionally be referred to as shape of a saddle cutting, in cutting process, location and cutting diameter are difficult for determining and location, and the mistake in cutting is very easily offset, make the circle distortion of cutting or do not reach technical requirement, have a strong impact on the quality and performance of relevant device.Under this background technology, the technical program proposes shape of a saddle cutting machine, is widely used in the tapping machine of national defense industry, shipbuilding and ocean engineering, pressure vessels for the chemical industry and nuclear power generating equipment, Power Plant Boiler Trade.Shape of a saddle cutting machine can perforate on cylindrical shell, elliptical shell, also can be on other type complex space curved surfaces cut-and-project circular hole, and cut varied angle double groove.Perforation form is that perpendicular quadrature, bias are vertically passed through mutually, oblique etc., can open ellipse projection figure, be the indispensable equipment of pressure vessel manufacturing.
Summary of the invention
The technical problem that the technology of the present invention will solve be to provide a kind of can be on all arcwall faces the shape of a saddle cutting machine of perforate or the circle of contact, practical and convenient quick, status is accurate, is difficult for producing skew and distortion in cutting process.
For solving the problems of the technologies described above, the invention provides a kind of Portable, saddle-shaped cutting machine, comprise firm banking, great circle cutting mechanism, roundlet cutting mechanism, described great circle cutting mechanism comprises the great circle cutting main shaft that is arranged at firm banking upper position and is vertical direction, on great circle cutting main shaft, be provided with the lifting slide unit that can move up and down, on lifting slide unit, be connected with the dismountable lifting arm that is horizontal direction, lifting arm is provided with roundlet cutting mechanism away from lifting slide unit end, roundlet cutting mechanism comprises the telescoping mechanism being connected with lifting arm, telescoping mechanism is provided with rotation distribution assembly away from lifting arm end, rotation distribution assembly bottom is provided with cutting head assembly.
Preferably, on firm banking, be fixedly installed great circle cutting motor, great circle cutting motor drives great circle cutting main shaft to rotate, on great circle cutting motor, be provided with electromagnetic brake device, electromagnetic brake device control great circle cutting motor work or stop, on described firm banking, be also provided with by great circle cutting motor and drive the slide unit base rotating, on slide unit base, be provided with rotating bottom board, on described rotating bottom board, be connected with the fixed sliding plate that is vertical direction, leading screw and the polished rod that on great circle cutting main shaft, comprise.
Preferably, great circle cutting spindle top is provided with the lifting stepper motor that lifting controllable slide unit moves up and down, and stepping lifting motor drives the leading screw on great circle cutting main shaft to rotate, and moves up and down thereby control lifting slide unit.
Preferably, be provided with the flexible motor that drives telescoping mechanism to be left and right directions motion on lifting arm, flexible motor drives elevating mechanism to be left and right directions motion by the leading screw being arranged in lifting arm.
Preferably, rotation distribution assembly comprises roundlet cutting main shaft, and described roundlet cutting main shaft bottom is provided with aperture adjustment bar, and aperture adjustment bar one end is set to cutting head assembly, and aperture adjustment bar can be realized the diameter adjustment of circle cutting.
Preferably, on roundlet cutting main shaft, be connected with roundlet cutting motor, roundlet cutting motor is fixed on lifting arm and directly drives roundlet cutting main shaft to rotate.
Preferably, firm banking bottom is provided with and is block electromagnet.
Preferably, be provided with control cabinet in fixed sliding plate, be provided with the gauge tap of all motors and the power control switch of rotation distribution assembly gauge tap and cutting machine entirety in control cabinet, these switches are controlled respectively each different parts work of shape of a saddle cutting machine.
Adopt the beneficial effect of technique scheme to be: the shape of a saddle cutting machine of the technical program is the tapping machine that is widely used in national defense industry, shipbuilding and ocean engineering, pressure vessels for the chemical industry and nuclear power generating equipment, Power Plant Boiler Trade, can perforate on cylindrical shell, elliptical shell, also can be on other type complex space curved surfaces cut-and-project circular hole, and cut varied angle double groove.Its main feature has:
1) can on cylindrical shell, elliptical shell, perforate cut, cutting object is extensive;
2) perforation form be that perpendicular quadrature, bias are vertically passed through mutually, oblique etc., can open ellipse projection figure, cutting form is various, contains pressure vessel industries common form;
3) cutting accuracy is high, can realize the continuous variation of groove cutting angle, and can realize double groove cutting;
4) cutting speed can be intelligent according to wall thickness adjustment, and can realize the online acceleration and deceleration in cutting process, thereby reach desirable cut quality;
5) shape of a saddle cutting machine is that volume is little, lightweight, convenient transportation, can lift, also can two people move;
6) adopt safe voltage 24V stepper motor and built-in state-of-the-art lithium ion battery to be applicable to the area often having a power failure;
7) shape of a saddle cutting machine can use by carrying disk, also can be by being fixed on spider end or other hanging devices, can promptly in spider working space, move by spider or other hanging devices, it is mobile convenient and locate advantage rapidly to have.
Brief description of the drawings
Fig. 1 is a kind of Portable, saddle-shaped cutting machine of the present invention front view,
Fig. 2 is a kind of Portable, saddle-shaped cutting machine of the present invention left view,
Fig. 3 is a kind of Portable, saddle-shaped cutting machine of the present invention top view,
Wherein, 1, firm banking, 2, great circle cutting motor, 3, electromagnetic brake device, 4, slide unit base, 5, rotating bottom board, 6, leading screw, 7 control cabinets,, 8, polished rod, 9, fixed sliding plate, 10, lifting stepper motor, 11, lifting slide unit, 12, lifting arm, 13, telescoping mechanism, 14, roundlet cutting main shaft, 16, aperture adjustment bar, 17, cutting head assembly, 18, electromagnet, 19, rotation distribution assembly, 20, flexible motor, 21, roundlet cutting motor.
Detailed description of the invention
Below in conjunction with Figure of description, technical scheme of the present invention and structure are described, so that those skilled in the art understand.
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of Portable, saddle-shaped cutting machine, comprise firm banking 1, great circle cutting mechanism, roundlet cutting mechanism, described great circle cutting mechanism comprises the great circle cutting main shaft that is arranged at firm banking 1 upper position and is vertical direction, on great circle cutting main shaft, be provided with the lifting slide unit 11 that can move up and down, on lifting slide unit 11, be connected with the dismountable lifting arm 12 that is horizontal direction, lifting arm 12 is provided with roundlet cutting mechanism away from lifting slide unit 11 ends, roundlet cutting mechanism comprises the telescoping mechanism 13 being connected with lifting arm 12, telescoping mechanism 13 is provided with rotation distribution assembly 19 away from lifting arm 12 ends, rotation distribution assembly 19 bottoms are provided with cutting head assembly 17.
On firm banking 1, be fixedly installed great circle cutting motor 2, great circle cutting motor 2 drives great circle cutting main shaft to rotate, on great circle cutting motor 2, be provided with electromagnetic brake device 3, electromagnetic brake device 3 is controlled great circle cutting motor 2 and is worked or stop, on firm banking 1, be also provided with the slide unit base 4 that is driven rotation by great circle cutting motor 2, on slide unit base 4, be provided with rotating bottom board 5, on described rotating bottom board 5, be connected with the fixed sliding plate that is vertical direction 9, leading screw 6 and the polished rod 8 that on great circle cutting main shaft, comprise.
Great circle cutting spindle top is provided with the lifting stepper motor 10 that lifting controllable slide unit 11 moves up and down, and stepping lifting motor 10 drives the leading screw on great circle cutting main shaft to rotate 6, moves up and down thereby control lifting slide unit 11.
On lifting arm 12, be provided with the flexible motor 20 that drives telescoping mechanism 13 to be left and right directions motion, flexible motor 20 drives elevating mechanism to be left and right directions motion by the leading screw being arranged in lifting arm 12.
Rotation distribution assembly 19 comprises roundlet cutting main shaft 14, and roundlet cutting main shaft 14 bottoms are provided with aperture adjustment bar 16, and aperture adjustment bar 16 one end are set to cutting head assembly 17, and aperture adjustment bar 16 can be realized the diameter adjustment of circle cutting.
On roundlet cutting main shaft 14, be connected with roundlet cutting motor 21, roundlet cutting motor 21 is fixed on lifting arm 12 and directly drives roundlet cutting main shaft 14 to rotate.
Firm banking 1 bottom is provided with and is block electromagnet 18.
In fixed sliding plate 9, be provided with control cabinet 7, be provided with the gauge tap of all motors and the power control switch of rotation distribution assembly gauge tap and cutting machine entirety in control cabinet 7, these switches are controlled respectively each different parts work of shape of a saddle cutting machine.
The shape of a saddle cutting machine of the technical program is widely used in the tapping machine of national defense industry, shipbuilding and ocean engineering, pressure vessels for the chemical industry and nuclear power generating equipment, Power Plant Boiler Trade.Can perforate on cylindrical shell, elliptical shell, also can be on other type complex space curved surfaces cut-and-project circular hole, and cut varied angle double groove.The form of phase perforation is that perpendicular quadrature, bias are vertically passed through mutually, oblique etc., can open ellipse projection figure, be the indispensable equipment of pressure vessel manufacturing.
The shape of a saddle cutting machine of the technical program can reach parameter in cutting process to be had:
Cutting Circularhole diameter: Φ 120mm～Φ 2600mm;
Lifting shaft displacement: 360mm
Bevel cut angular range: ± 0 °～60 °
Cutting circular hole precision: ± 1mm
Cutting thickness range :≤100mm
Cutting method: flame cutting, wherein, oxygen (pressure 0.69～0.8MPa), acetylene (pressure is greater than 0.03MPa)
Above-mentioned by reference to the accompanying drawings to invention be exemplarily described; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as this non-essential improvement that has adopted method design of the present invention and technical scheme to carry out; or without improving, the design of invention and technical scheme are directly applied to other occasions, all within protection scope of the present invention.
Claims (7)
1. a Portable, saddle-shaped cutting machine, comprise firm banking, great circle cutting mechanism, roundlet cutting mechanism, it is characterized in that: described great circle cutting mechanism comprises the great circle cutting main shaft that is arranged at firm banking upper position and is vertical direction, on described great circle cutting main shaft, be provided with the lifting slide unit that can move up and down, on described lifting slide unit, be connected with the lifting arm that is horizontal direction, described lifting arm is provided with roundlet cutting mechanism away from lifting slide unit end, described roundlet cutting mechanism comprises the telescoping mechanism being connected with lifting arm, described telescoping mechanism is provided with rotation distribution assembly away from lifting arm end, described rotation distribution assembly bottom is provided with cutting head assembly.
2. a kind of Portable, saddle-shaped cutting machine according to claim 1, it is characterized in that: on described firm banking, be provided with great circle cutting motor, described great circle cutting motor drives great circle cutting main shaft to rotate, on described great circle cutting motor, be provided with electromagnetic brake device, described electromagnetic brake device control great circle cutting motor work or stop.
3. a kind of Portable, saddle-shaped cutting machine according to claim 1, is characterized in that: described great circle cutting spindle top is provided with the lifting stepper motor that lifting controllable slide unit moves up and down.
4. a kind of Portable, saddle-shaped cutting machine according to claim 1, is characterized in that: on described lifting arm, be provided with the flexible motor that drives telescoping mechanism to be left and right directions motion.
5. a kind of Portable, saddle-shaped cutting machine according to claim 1, it is characterized in that: described rotation distribution assembly comprises roundlet cutting main shaft, described roundlet cutting main shaft bottom is provided with aperture adjustment bar, and described aperture adjustment bar one end is set to cutting head assembly.
6. a kind of Portable, saddle-shaped cutting machine according to claim 5, is characterized in that: on described roundlet cutting main shaft, be connected with roundlet cutting motor, described roundlet cutting motor is fixed on lifting arm.
7. a kind of Portable, saddle-shaped cutting machine according to claim 1, is characterized in that: described firm banking bottom is provided with and is block electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410265994.XA CN104028874A (en) | 2014-06-17 | 2014-06-17 | Portable saddle-shaped cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410265994.XA CN104028874A (en) | 2014-06-17 | 2014-06-17 | Portable saddle-shaped cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104028874A true CN104028874A (en) | 2014-09-10 |
Family
ID=51459996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410265994.XA Pending CN104028874A (en) | 2014-06-17 | 2014-06-17 | Portable saddle-shaped cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104028874A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308324A (en) * | 2014-10-23 | 2015-01-28 | 上海振华重工(集团)股份有限公司 | Mobile flame tapper |
| CN104400110A (en) * | 2014-11-27 | 2015-03-11 | 太仓圣广仁自动化设备有限公司 | Circle cutting device for board |
| CN106238888A (en) * | 2016-10-08 | 2016-12-21 | 宁夏吴忠市好运电焊机有限公司 | Portable numerical control CUT |
| CN106493463A (en) * | 2016-11-21 | 2017-03-15 | 成都秉德科技有限公司 | A kind of machining equipment that can realize arbitrarily angled cutting |
| CN106825882A (en) * | 2017-01-05 | 2017-06-13 | 安徽心连心重型封头有限公司 | A kind of rotation type port cutting machine |
| CN107052507A (en) * | 2017-06-20 | 2017-08-18 | 上海振华重工(集团)股份有限公司 | Ellipse weight pound plate flame groove cutting system |
| CN107262872A (en) * | 2017-08-08 | 2017-10-20 | 安庆帆盛机电科技有限公司 | A kind of method of disposable cutting hole on cylinder |
| CN107283022A (en) * | 2017-08-08 | 2017-10-24 | 安庆帆盛机电科技有限公司 | A kind of welding-cutting machine for disposable cutting hole on cylinder |
| CN108326576A (en) * | 2018-02-07 | 2018-07-27 | 唐炜 | A kind of portable curved-surface materials groover |
| CN109623090A (en) * | 2019-03-01 | 2019-04-16 | 天津市巨星祥海机械有限公司 | A kind of cutting machine for metal pipe material end cut |
| CN110756948A (en) * | 2019-12-04 | 2020-02-07 | 厦门理工学院 | Saddle curve cutting device |
| CN110802298A (en) * | 2019-11-25 | 2020-02-18 | 西伯瀚（上海）海洋装备科技有限公司 | Method for forming saddle hole on surface of pipe body and manufacturing method of pile leg |
| CN110842325A (en) * | 2020-01-16 | 2020-02-28 | 广东电网有限责任公司东莞供电局 | Flame cutting robot |
| CN111618647A (en) * | 2020-05-13 | 2020-09-04 | 中国一冶集团有限公司 | Temporary manhole handling equipment, mounting method and dismounting method for steel box girder |
| CN112846528A (en) * | 2020-05-29 | 2021-05-28 | 浙江豪特金属封头制造有限公司 | Sheet stock cutting equipment for processing conical end socket |
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| CN102284776A (en) * | 2011-08-22 | 2011-12-21 | 青岛东方铁塔股份有限公司 | Universal plasma cutting machine of cantilever |
| CN202129534U (en) * | 2011-05-30 | 2012-02-01 | 山东恒涛节能环保有限公司 | Saddle-orifice cutting machine for tubing |
| CN102825393A (en) * | 2012-08-17 | 2012-12-19 | 青岛东方铁塔股份有限公司 | Vertical multi-angle semi-automatic flame plasma cutting machine |
| CN204397127U (en) * | 2014-06-17 | 2015-06-17 | 安徽苏东石化电力设备制造集团有限公司 | A kind of portable cutter |
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2014
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE2246838A1 (en) * | 1972-09-23 | 1974-04-11 | Welca B V | Penetration curve cutting tool for intersecting pipes - comprises two cross slides yielding compound multi directional movement of tool |
| CN2099632U (en) * | 1991-08-28 | 1992-03-25 | 西北工业大学 | Cantilever type four coordinates cutter |
| CN2123394U (en) * | 1992-01-29 | 1992-12-02 | 武汉水利电力学院 | Micro computer digit controlled tube cutter |
| CN201493604U (en) * | 2009-09-02 | 2010-06-02 | 南京奥特电气有限公司 | Plasma automatic back chipping device for pipelines |
| CN202129534U (en) * | 2011-05-30 | 2012-02-01 | 山东恒涛节能环保有限公司 | Saddle-orifice cutting machine for tubing |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308324A (en) * | 2014-10-23 | 2015-01-28 | 上海振华重工(集团)股份有限公司 | Mobile flame tapper |
| CN104400110A (en) * | 2014-11-27 | 2015-03-11 | 太仓圣广仁自动化设备有限公司 | Circle cutting device for board |
| CN106238888A (en) * | 2016-10-08 | 2016-12-21 | 宁夏吴忠市好运电焊机有限公司 | Portable numerical control CUT |
| CN106493463B (en) * | 2016-11-21 | 2019-06-28 | 江苏汉达机械有限公司 | A kind of machining equipment being able to achieve any angle cutting |
| CN106493463A (en) * | 2016-11-21 | 2017-03-15 | 成都秉德科技有限公司 | A kind of machining equipment that can realize arbitrarily angled cutting |
| CN106825882A (en) * | 2017-01-05 | 2017-06-13 | 安徽心连心重型封头有限公司 | A kind of rotation type port cutting machine |
| CN107052507A (en) * | 2017-06-20 | 2017-08-18 | 上海振华重工(集团)股份有限公司 | Ellipse weight pound plate flame groove cutting system |
| CN107262872A (en) * | 2017-08-08 | 2017-10-20 | 安庆帆盛机电科技有限公司 | A kind of method of disposable cutting hole on cylinder |
| CN107283022A (en) * | 2017-08-08 | 2017-10-24 | 安庆帆盛机电科技有限公司 | A kind of welding-cutting machine for disposable cutting hole on cylinder |
| CN107262872B (en) * | 2017-08-08 | 2024-04-12 | 安庆帆盛机电科技有限公司 | Method for cutting holes on cylinder at one time |
| CN108326576A (en) * | 2018-02-07 | 2018-07-27 | 唐炜 | A kind of portable curved-surface materials groover |
| CN109623090A (en) * | 2019-03-01 | 2019-04-16 | 天津市巨星祥海机械有限公司 | A kind of cutting machine for metal pipe material end cut |
| CN110802298A (en) * | 2019-11-25 | 2020-02-18 | 西伯瀚（上海）海洋装备科技有限公司 | Method for forming saddle hole on surface of pipe body and manufacturing method of pile leg |
| CN110756948A (en) * | 2019-12-04 | 2020-02-07 | 厦门理工学院 | Saddle curve cutting device |
| CN110842325A (en) * | 2020-01-16 | 2020-02-28 | 广东电网有限责任公司东莞供电局 | Flame cutting robot |
| CN110842325B (en) * | 2020-01-16 | 2020-05-29 | 广东电网有限责任公司东莞供电局 | Flame cutting robot |
| CN111618647A (en) * | 2020-05-13 | 2020-09-04 | 中国一冶集团有限公司 | Temporary manhole handling equipment, mounting method and dismounting method for steel box girder |
| CN112846528A (en) * | 2020-05-29 | 2021-05-28 | 浙江豪特金属封头制造有限公司 | Sheet stock cutting equipment for processing conical end socket |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140910 |