CN105650390A - Butting device for branch pipe with bend and main pipe and production method of butting device - Google Patents
Butting device for branch pipe with bend and main pipe and production method of butting device Download PDFInfo
- Publication number
- CN105650390A CN105650390A CN201610230788.4A CN201610230788A CN105650390A CN 105650390 A CN105650390 A CN 105650390A CN 201610230788 A CN201610230788 A CN 201610230788A CN 105650390 A CN105650390 A CN 105650390A
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- China
- Prior art keywords
- gripper shoe
- base plate
- quick chuck
- party
- rail
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/16—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same abutted flanges
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a butting device for a branch pipe with a bend and a main pipe and a production method of the butting device. The butting device comprises a base frame, a first support plate, a second support plate and a third support plate, wherein the first support plate, the second support plate and the third support plate are respectively arranged on the base frame through a base plate; a first rapid chuck is arranged on the inner side of the first support plate; a second rapid chuck is arranged on the inner side of the second support plate; a third rapid chuck is arranged on the inner side of the third support plate; and a braking device, a frequency converter and a digital display meter are respectively arranged on the first rapid chuck, the second rapid chuck and the third rapid chuck. According to the butting device, the butting between various specifications and sizes of branch pipes with bends and the main pipe can be directly realized, so that flanges, bolts and welders are saved, the production efficiency is improved, and the material cost and the labor cost are lowered; and meanwhile, the butting precision of products is improved, and a good foundation is laid for the mechanical and streamlined batch welding of robots.
Description
Technical field
The present invention relates to a kind of docking facilities, specifically docking facilities with elbow arm and supervisor and preparation method thereof.
Background technology
Do not adopt now the docking calculation of the arm with elbow and supervisor both at home and abroad, threeway with elbow or manifold commonly used first docking straight tube and straight tube, flange and elbow, after welding again with flange, bolt by bend pipe and straight tee (ST.TEE) (or) mode that is connected of manifold, waste substantial amounts of flange, bolt and wlding, artificial, merging precision cannot ensure.
Summary of the invention
It is an object of the invention to provide the docking facilities of the arm with elbow and supervisor and method, this docking facilities can be directly realized by the arm with elbow and the docking that same root is responsible for of plurality of specifications, size, flange, bolt, wlding are saved, improve production efficiency, reduce material and cost of labor; Improve the merging precision of product, for realizing mechanization, the batch robot welding of streamlined lays a good foundation simultaneously.
This invention address that its technical problem is adopted the technical scheme that: with the docking facilities of elbow arm Yu supervisor, its structure includes underframe, the first gripper shoe, the second gripper shoe and the 3rd gripper shoe, described first gripper shoe, the second gripper shoe and the 3rd gripper shoe are arranged on underframe respectively through base plate
The inner side of described first gripper shoe is provided with the first quick chuck, the inner side of described second gripper shoe is provided with the second quick chuck, the inner side of described 3rd gripper shoe is provided with the 3rd quick chuck, first quick chuck, the second quick chuck and the 3rd quick chuck are respectively equipped with brake unit, converter and digital display meter
The bottom of described first gripper shoe and the 3rd gripper shoe is respectively equipped with platter, the platter of the first gripper shoe is installed be slidably connected with the first party rail combination on underframe, the platter installing the 3rd gripper shoe is fixed on underframe, the bottom of described second gripper shoe is sequentially provided with base plate and big base plate up and down, described base plate is slidably connected by the combination of second party rail with big base plate top, the bottom of described big base plate is slidably connected with the four directions rail combination on underframe, third party's rail combination of described second quick chuck and the second gripper shoe both sides connects
Described first quick chuck is provided with the first flange screw positioner, and described second quick chuck is provided with the second flange screw positioner, and described 3rd quick chuck is provided with three-flange screw positioner.
Further, described first quick chuck and the 3rd quick chuck are arranged on respectively through bearing, bearing block and chuck support axle in the first gripper shoe and the 3rd gripper shoe, platter bottom the first gripper shoe is provided with slide block, described slide block is slidably connected with the first party rail combination on underframe, described first gripper shoe is by the first motor, the first gear, the first tooth bar and transducer drive displacement, calculating displacement by the encoder being connected on motor and show on digital display meter, the 3rd gripper shoe is fixed on underframe.
Further, the base plate of described second gripper shoe bottom carries out front and back by the second gear, the second tooth bar and the second motor and drives, and big base plate carries out left and right by the 3rd gear, the 3rd tooth bar and the 3rd motor and drives.
Further, described second quick chuck is arranged in the second gripper shoe by bearing, bearing block, chuck support axle, described second gripper shoe be respectively provided on two sides with slide block, slide block combines with the third party's rail on square tube sidewall and coordinates, two square tubes are vertical with base plate to be connected, being driven leading screw by the 4th motor, converter, worm and gear, leading screw drives the walking on third party's rail combines of the second gripper shoe.
With the manufacture method of elbow arm Yu the docking facilities of supervisor, comprising the steps: (1), cut out square tube, make underframe, cutting square tube combines, and is soldered on base plate, post weld heat treatment;
(2), installing tooth bar, the combination of first party rail, four directions rail combination on underframe, square tube combination is upper installs the combination of third party's rail, Plane Installation second party rail combination on big base plate, tooth bar, lower plane is installed slide block, and slide block is mounted in the four directions rail combination on underframe;
(3) the first gripper shoe, the second gripper shoe and the 3rd gripper shoe, are made, three gripper shoes are respectively mounted bearing, bearing block, chuck support axle, then respectively the first quick chuck, the second quick chuck and the 3rd quick chuck are arranged in the first gripper shoe, on chuck support axle in the second gripper shoe and the 3rd gripper shoe;
(4), by the first gripper shoe and the 3rd gripper shoe being separately fixed on the platter of bottom, the platter of the first gripper shoe is installed slide block, motor, gear, encoder, wheel and rack engages, and slide block is arranged in the combination of first party rail; The platter of the 3rd gripper shoe is arranged on underframe;
(5), the second gripper shoe fixes slide block, be arranged in the third party's rail combination in square tube combination;
(6), at base plate lower plane, slide block, gear are installed, slide block slides in the second party rail combination on big base plate, wheel and rack engages, Plane Installation motor, worm and gear and screw mandrel on base plate, screw mandrel top is mounted in leading screw bearing, leading screw bearing is arranged on bearings plate, and encoder and leading screw are connected and fixed on bearings plate;
(7), in the first gripper shoe, the second gripper shoe and the 3rd gripper shoe, it is respectively mounted flange screw positioner, converter, digital display meter and on and off switch.
The invention has the beneficial effects as follows: this device can be directly realized by the arm with elbow and the docking that same root is responsible for of plurality of specifications, size, has saved flange, bolt, wlding, has improve production efficiency, has reduced material and cost of labor; Improve the merging precision of product, for realizing mechanization, the batch robot welding of streamlined lays a good foundation simultaneously.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention;
Fig. 2 is the top view of Fig. 1.
In figure: 1 first gripper shoe, 2 second gripper shoes, 3 the 3rd gripper shoes, 4 underframe, 5 first quick chucks, 6 second quick chucks, 7 the 3rd quick chucks, 8 first flange screw positioners, 9 second flange screw positioners, 10 three-flange screw positioners, 11 converters, 12 brake units, 13 leading screw bearings, 14 bearings plates, 15 encoders, 16 bearings, 17 chuck support axles, 18 bearing blocks, 19 leading screws, 20 base plates, 21 big base plates, 22 first party rail combinations, 23 first tooth bars, 24 first gears, 25 first motors, 26 second motors, 27 second gears, 28 second tooth bars, 29 platters, 30 slide block combinations, 31 third party's rail combinations, 32 square tubes, 33 the 3rd tooth bars, 34 four directions rail combinations, 35 the 3rd motors, 36 the 3rd gears, 37 the 4th motors, 38 worm and gears, 39 second party rail combinations.
Detailed description of the invention
With reference to Figure of description, the docking facilities with elbow arm Yu supervisor of the present invention is described in detail below.
As shown in Figure 1 and Figure 2, the docking facilities with elbow arm Yu supervisor of the present invention, its structure includes underframe the 4, first gripper shoe the 1, second gripper shoe 2 and the 3rd gripper shoe 3, and described first gripper shoe the 1, second gripper shoe 2 and the 3rd gripper shoe 3 are arranged on underframe 4 respectively through base plate
The inner side of described first gripper shoe 1 is provided with the first quick chuck 5, the inner side of described second gripper shoe 2 is provided with the second quick chuck 6, the inner side of described 3rd gripper shoe is provided with the 3rd quick chuck 7, first quick chuck, the second quick chuck and the 3rd quick chuck are respectively equipped with brake unit 12, converter and digital display meter
The bottom of described first gripper shoe and the 3rd gripper shoe is respectively equipped with platter 29, the platter 29 of the first gripper shoe is installed be slidably connected with the first party rail combination on underframe, the platter installing the 3rd gripper shoe is fixed on underframe, the bottom of described second gripper shoe is sequentially provided with base plate and big base plate 21 up and down, described base plate is slidably connected by second party rail combination 39 with big base plate top, the bottom of described big base plate is slidably connected with the four directions rail combination 34 on underframe, described second quick chuck 6 combines with third party's rail of the second gripper shoe both sides and is connected
Described first quick chuck is provided with the first flange screw positioner 8, and described second quick chuck is provided with the second flange screw positioner 9, and described 3rd quick chuck is provided with three-flange screw positioner 10.
Described first quick chuck and the 3rd quick chuck are arranged on respectively through bearing 16, bearing block 18 and chuck support axle 17 in first gripper shoe and the 3rd gripper shoe,
Platter bottom the first gripper shoe is provided with slide block, described slide block is slidably connected with the first party rail combination 22 on underframe, described first gripper shoe passes through the first motor the 25, first gear the 24, first tooth bar 23 and converter 11 drive displacement, by being connected to encoder delicate metering displacement on motor and showing on digital display meter, the 3rd gripper shoe is fixed on underframe.
The base plate of described second gripper shoe 2 bottom carries out front and back by second gear the 27, second tooth bar 28 and the second motor 26 and drives, and big base plate carries out left and right by the 3rd gear the 36, the 3rd tooth bar 33 and the 3rd motor 35 and drives.
Described second quick chuck is arranged in the second gripper shoe by bearing, bearing block, chuck support axle, described second gripper shoe be respectively provided on two sides with slide block, two side slides constitute slide block combination 30, slide block combines 31 with the third party's rail on square tube sidewall and coordinates, two square tubes 32 are vertical with base plate to be connected, leading screw 19, leading screw is driven to drive the walking on third party's rail combines of the second gripper shoe by the 4th motor 37, converter, worm and gear 38.
Embodiment one
First, 3rd quick chuck is installed supervisor's flange, by the first gear, first tooth bar, the platter of first motor drive installation the first quick chuck moves, thus driving the first quick chuck to move, the fine setting of platter is realized by converter, pass through encoder, digital display meter realizes delicate metering and the display of displacement, ensure supervisor's length dimension and flange two centre bore plummet, second quick chuck is installed a pipe flange, flange holes center plummet is made by flange positioner, rotated by brake unit control flange, by the 3rd motor, 3rd gear, 3rd tooth bars etc. drive big base plate 20 to move left and right, thus driving the flange on the second quick chuck to move, the fine setting that big base plate moves left and right is realized by converter, pass through encoder, digital display meter realizes delicate metering and the display of displacement, ensure the size of flange center and supervisor's end flanges, realize multiple different tube diameters, the arm of different centre-to-centre spacing docks with supervisor.
Embodiment two
First, 3rd quick chuck is installed supervisor's flange, by the first gear, Article 1, the platter of first motor drive installation the first quick chuck moves, thus driving the first quick chuck to move, the fine setting of platter is realized by converter, pass through encoder, digital display meter realizes delicate metering and the display of displacement, ensure supervisor's length dimension and flange two centre bore plummet, second quick chuck is installed a pipe flange, flange holes center plummet is made by flange positioner, rotated by brake unit control flange, by the second motor, second gear, second tooth bars etc. drive base plate to move forward and backward, thus driving the flange on the second quick chuck to move, movable fine setting is realized by converter, pass through encoder, digital display meter realizes delicate metering and the display of displacement, the distance at effective control flange end face and supervisor center, realize different tube diameters, the arm of different length docks with supervisor.
Embodiment three
First, 3rd quick chuck is installed supervisor's flange, by the first gear, Article 1, the platter of first motor drive installation the first quick chuck moves, thus driving the first quick chuck to move, the fine setting of platter is realized by converter, pass through encoder, digital display meter realizes delicate metering and the display of displacement, ensure supervisor's length dimension and flange two centre bore plummet, second quick chuck is installed a pipe flange, flange holes center plummet is made by flange positioner, rotation by brake unit control flange, by the 4th motor, worm and gear, leading screws etc. drive the second gripper shoe to move up and down relative to supervisor, thus the flange controlled on the second quick chuck moves up and down, by the fine setting that Frequency Converter Control moves up and down, pass through encoder, digital display meter realizes delicate metering and the display of displacement, effectively control the height distance at an end surfaces center and supervisor center, realize the elbow with differently curved radius, and the arm adding long bend with differently curved radius docks with the accurate of supervisor.
Embodiment four
Rotation by brake unit control flange, multiple different size arm with elbow is realized by the linkage of embodiment 1, embodiment 2 and embodiment 3, different length of tube, a different tube hub be responsible for end face of flange horizontal centre from multiple arms and docking that same root is responsible for.
The docking facilities of the present invention can be directly realized by the arm with elbow and the docking that same root is responsible for of plurality of specifications, size, has saved flange, bolt, wlding, has improve production efficiency, has reduced material and cost of labor; Improve the merging precision of product, for realizing mechanization, the batch robot welding of streamlined lays a good foundation simultaneously.
Docking facilities with elbow arm Yu supervisor is following steps for manufacturing:
(1), cutting out square tube, make underframe, cutting square tube combines, and is soldered on base plate, post weld heat treatment;
(2), installing tooth bar, the combination of first party rail, four directions rail combination on underframe, square tube combination is upper installs the combination of third party's rail, Plane Installation second party rail combination on big base plate, tooth bar, lower plane is installed slide block, and slide block is mounted in the four directions rail combination on underframe;
(3) the first gripper shoe, the second gripper shoe and the 3rd gripper shoe, are made, three gripper shoes are respectively mounted bearing, bearing block, chuck support axle, then respectively the first quick chuck, the second quick chuck and the 3rd quick chuck are arranged in the first gripper shoe, on chuck support axle in the second gripper shoe and the 3rd gripper shoe;
(4), by the first gripper shoe and the 3rd gripper shoe being separately fixed on the platter of bottom, the platter of the first gripper shoe is installed slide block, motor, gear, encoder, wheel and rack engages, and slide block is arranged in the combination of first party rail; The platter of the 3rd gripper shoe is arranged on underframe;
(5), the second gripper shoe fixes slide block, be arranged in the third party's rail combination in square tube combination;
(6), at base plate lower plane, slide block, gear are installed, slide block slides in the second party rail combination on big base plate, wheel and rack engages, Plane Installation motor, worm and gear and screw mandrel on base plate, screw mandrel top is mounted in leading screw bearing 13, leading screw bearing is arranged on bearings plate, and encoder and leading screw are connected and fixed on bearings plate;
(7), in the first gripper shoe, the second gripper shoe and the 3rd gripper shoe, it is respectively mounted flange screw positioner, converter, digital display meter and on and off switch.
The above, some principles of the present invention that simply explains through diagrams, this specification is not intended to the present invention be confined in shown described concrete structure and the scope of application, therefore every corresponding amendment being likely utilized and equivalent, belong to the scope of the claims that the present invention applies for.
Except technical characteristic described in description, all the other technical characteristics are those skilled in the art's known technology.
Claims (5)
1. the docking facilities with elbow arm Yu supervisor, is characterized in that, including underframe, the first gripper shoe, the second gripper shoe and the 3rd gripper shoe, described first gripper shoe, the second gripper shoe and the 3rd gripper shoe are arranged on underframe respectively through base plate,
The inner side of described first gripper shoe is provided with the first quick chuck, the inner side of described second gripper shoe is provided with the second quick chuck, the inner side of described 3rd gripper shoe is provided with the 3rd quick chuck, first quick chuck, the second quick chuck and the 3rd quick chuck are respectively equipped with brake unit, converter and digital display meter
The bottom of described first gripper shoe and the 3rd gripper shoe is respectively equipped with platter, the platter of the first gripper shoe is installed be slidably connected with the first party rail combination on underframe, the platter installing the 3rd gripper shoe is fixed on underframe, the bottom of described second gripper shoe is sequentially provided with base plate and big base plate up and down, described base plate is slidably connected by the combination of second party rail with big base plate top, the bottom of described big base plate is slidably connected with the four directions rail combination on underframe, third party's rail combination of described second quick chuck and the second gripper shoe both sides connects
Described first quick chuck is provided with the first flange screw positioner, and described second quick chuck is provided with the second flange screw positioner, and described 3rd quick chuck is provided with three-flange screw positioner.
2. the docking facilities with elbow arm Yu supervisor according to claim 1, it is characterized in that, described first quick chuck and the 3rd quick chuck are respectively through bearing, bearing block and chuck support axle are arranged in the first gripper shoe and the 3rd gripper shoe, platter bottom the first gripper shoe is provided with slide block, described slide block is slidably connected with the first party rail combination on underframe, described first gripper shoe passes through the first motor, first gear, first tooth bar and transducer drive displacement, by being connected to encoder delicate metering displacement on motor and showing on digital display meter, 3rd gripper shoe is fixed on underframe.
3. the docking facilities with elbow arm Yu supervisor according to claim 1, it is characterized in that, the base plate of described second gripper shoe bottom carries out front and back by the second gear, the second tooth bar and the second motor and drives, and big base plate carries out left and right by the 3rd gear, the 3rd tooth bar and the 3rd motor and drives.
4. the docking facilities with elbow arm Yu supervisor according to claim 1, it is characterized in that, described second quick chuck is arranged in the second gripper shoe by bearing, bearing block, chuck support axle, described second gripper shoe be respectively provided on two sides with slide block, slide block combines with the third party's rail on square tube sidewall and coordinates, two square tubes are vertical with base plate to be connected, the 4th motor, converter, worm and gear drive leading screw, and leading screw drives the walking on third party's rail combines of the second gripper shoe.
5. the manufacture method with elbow arm Yu the docking facilities of supervisor, is characterized in that: comprise the steps:
(1), cutting out square tube, make underframe, cutting square tube combines, and is soldered on base plate, post weld heat treatment;
(2), installing tooth bar, the combination of first party rail, four directions rail combination on underframe, square tube combination is upper installs the combination of third party's rail, Plane Installation second party rail combination on big base plate, tooth bar, lower plane is installed slide block, and slide block is mounted in the four directions rail combination on underframe;
(3) the first gripper shoe, the second gripper shoe and the 3rd gripper shoe, are made, three gripper shoes are respectively mounted bearing, bearing block, chuck support axle, then respectively the first quick chuck, the second quick chuck and the 3rd quick chuck are arranged in the first gripper shoe, on chuck support axle in the second gripper shoe and the 3rd gripper shoe;
(4), by the first gripper shoe and the 3rd gripper shoe being separately fixed on the platter of bottom, the platter of the first gripper shoe is installed slide block, motor, gear, encoder, wheel and rack engages, and slide block is arranged in the combination of first party rail; The platter of the 3rd gripper shoe is arranged on underframe;
(5), the second gripper shoe fixes slide block, be arranged in the third party's rail combination in square tube combination;
(6), at base plate lower plane, slide block, gear are installed, slide block slides in the second party rail combination on big base plate, wheel and rack engages, Plane Installation motor, worm and gear and screw mandrel on base plate, screw mandrel top is mounted in leading screw bearing, leading screw bearing is arranged on bearings plate, and encoder and leading screw are connected and fixed on bearings plate;
(7), in the first gripper shoe, the second gripper shoe and the 3rd gripper shoe, it is respectively mounted flange screw positioner, converter, digital display meter and on and off switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610230788.4A CN105650390B (en) | 2016-04-14 | 2016-04-14 | Preparation method with elbow branch pipe with the docking facilities of supervisor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610230788.4A CN105650390B (en) | 2016-04-14 | 2016-04-14 | Preparation method with elbow branch pipe with the docking facilities of supervisor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105650390A true CN105650390A (en) | 2016-06-08 |
| CN105650390B CN105650390B (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610230788.4A Active CN105650390B (en) | 2016-04-14 | 2016-04-14 | Preparation method with elbow branch pipe with the docking facilities of supervisor |
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| Country | Link |
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| CN (1) | CN105650390B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421373A (en) * | 2017-08-01 | 2017-12-01 | 芜湖精达机械制造有限公司 | A kind of fresh-water cooler supporting and positioning device |
| CN109014766A (en) * | 2018-09-26 | 2018-12-18 | 昆山华恒焊接股份有限公司 | Multidimensional regulating flange branch fastener frame |
| CN114012340A (en) * | 2021-12-01 | 2022-02-08 | 珠海巨涛海洋石油服务有限公司 | Double-side welding positioning tool and positioning method for wind power jacket |
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| CN201906957U (en) * | 2011-01-27 | 2011-07-27 | 济南时代百超科技有限公司 | Numerical control assembly device for flange pairing machine branch pipe welding |
| CN102729045A (en) * | 2012-05-22 | 2012-10-17 | 戴刚平 | Integrated steel pipe and flange splicing and machining machine and machining process thereof |
| CN205534778U (en) * | 2016-04-14 | 2016-08-31 | 山东北辰机电设备股份有限公司 | Take elbow branch pipe and person in charge's interfacing apparatus |
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| JP2002045994A (en) * | 2000-08-03 | 2002-02-12 | Toshiba Corp | Manufacturing apparatus for large cylindrical vessel |
| CN201693350U (en) * | 2010-05-20 | 2011-01-05 | 杭州欣诚祥机电技术有限公司 | Automatic straight pipe flange assembling machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107421373A (en) * | 2017-08-01 | 2017-12-01 | 芜湖精达机械制造有限公司 | A kind of fresh-water cooler supporting and positioning device |
| CN109014766A (en) * | 2018-09-26 | 2018-12-18 | 昆山华恒焊接股份有限公司 | Multidimensional regulating flange branch fastener frame |
| CN114012340A (en) * | 2021-12-01 | 2022-02-08 | 珠海巨涛海洋石油服务有限公司 | Double-side welding positioning tool and positioning method for wind power jacket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105650390B (en) | 2017-12-22 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tang Jinshan Inventor after: Wu Zhixin Inventor after: Lu Feng Inventor before: Wu Zhixin Inventor before: Tang Jinshan Inventor before: Lu Feng |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for making a connection device between a branch pipe with an elbow and a main pipe Effective date of registration: 20230424 Granted publication date: 20171222 Pledgee: Agricultural Bank of China Limited Jinan Changqing Branch Pledgor: SHANDONG BEICHEN MECHANICAL & ELECTRICAL EQUIPMENT CO.,LTD. Registration number: Y2023980039012 |