CN110303290A - A kind of special fixture welded for BOSS - Google Patents
A kind of special fixture welded for BOSS Download PDFInfo
- Publication number
- CN110303290A CN110303290A CN201910561531.0A CN201910561531A CN110303290A CN 110303290 A CN110303290 A CN 110303290A CN 201910561531 A CN201910561531 A CN 201910561531A CN 110303290 A CN110303290 A CN 110303290A
- Authority
- CN
- China
- Prior art keywords
- boss
- fixed ring
- chuck
- pipe
- telescopic rod
- 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.)
- Granted
Links
- 238000003466 welding Methods 0.000 claims abstract description 28
- 238000005452 bending Methods 0.000 claims description 5
- 206010054949 Metaplasia Diseases 0.000 abstract description 4
- 230000015689 metaplastic ossification Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention belongs to pipe fitting technical field of processing equipment more particularly to a kind of special fixtures welded for BOSS.A kind of special fixture welded for BOSS, suitable for the welding between BOSS main pipes and BOSS chieftain's pipe, the fixture includes the fixed ring in main pipe and the chuck on sub- pipe, the fixed ring sets there are two and is respectively arranged on the two sides of main pipe Yu sub- pipe pad, the fixture further includes telescopic rod, the upper end of the telescopic rod is connect with chuck and lower end is connect with fixed ring, the telescopic rod is equipped with hexagonal protrusion, and pulling force/pressure size suffered by telescopic rod can be changed by rotating the hexagonal protrusion.The special fixture for BOSS welding that the present invention provides one kind can improve BOSS welding region metaplasias, improves BOSS welding region stress concentrations, improves BOSS welding region quality.
Description
Technical field
The invention belongs to pipe fitting technical field of processing equipment more particularly to a kind of special fixtures welded for BOSS.
Background technique
Welding be engineering construction a basic technology and a kind of very widely used engineering technology, but weld
Region is also often associated with some defects, and the institutional framework of some welding regions is also not fully up to expectations.
BOSS are a kind of small size branch pipe connections, and BOSS weld seams are a kind of emplacement type branch pipe welding line structures, it
Structure have been relatively mature with manufacturing process, be widely used in the fields such as nuclear power plant, chemical industry.Usually BOSS weld sub- pipes compared with
Long, the bevel angle of BOSS weld seams is smaller, and welding region easily deforms, and leads to sub- pipe run-off the straight, subsequent welding
Work is difficult to carry out.Even being easy to appear weld seam there is the defects of incomplete fusion, to influence weldquality.
Summary of the invention
Technical problem to be solved by the invention is to provide one kind can improve BOSS welding region metaplasias, improves
The special fixture for BOSS welding of BOSS welding region quality is concentrated, improved to BOSS welding region stress.For this purpose,
The invention adopts the following technical scheme:
A kind of special fixture welded for BOSS, suitable for the welding between BOSS main pipes and BOSS chieftain's pipe,
The fixture includes the fixed ring in main pipe and the chuck on sub- pipe, and the fixed ring sets there are two and distinguishes
Set on the two sides of main pipe and sub- pipe pad, the fixture further includes telescopic rod, the upper end of the telescopic rod connect with chuck,
And lower end is connect with fixed ring, the telescopic rod is equipped with hexagonal protrusion, and telescopic rod can be changed by rotating the hexagonal protrusion
The size of suffered pulling force/pressure.
On the basis of by adopting the above technical scheme, technical solution further below is also can be used in the present invention:
The side wall of the chuck is equipped at least two first connection rings, and the side wall of the fixed ring is equipped at least one
Second connection ring, the both ends of the telescopic rod are respectively equipped with upper connector and lower connector, upper connector and the first connection ring phase
Even, lower connector is connected with the second connection ring.
The telescopic rod further includes upper boom, continuous boss and lower beam, between upper boom and continuous boss and lower beam and through-hole set
It is connected through a screw thread between pipe, passes through rotation upper boom or/and the length of lower beam adjustable and retractable bar；The upper connector is set to
The upper end of upper boom, the lower connector are set to the lower end of lower beam.
It is also arranged with load transducer on the upper boom, to detect pulling force/pressure size suffered by telescopic rod.
The chuck is the cirque structure being sheathed on sub- pipe, and it is sliding that at least two are offered on the chuck
Slot, the two sides of sliding slot are equipped with and the consistent raised line of track length, the interior latch being equipped with raised line grafting of the sliding slot, the latch
It can be in being moved in sliding slot.
Bolt is additionally provided in the sliding slot, toothing is arranged at the bottom of the latch, and latch passes through the toothing and bolt
Engagement can press latch to the movement of chuck center by rotating bolt；The one end of the latch close to chuck center
The horn structure of a narrow plane is had for apex angle, the one end of the latch far from chuck center is planar structure.
At least four arc grooves, the uniformly distributed upper table in chuck of arc groove are also provided on the chuck
Face.
The contact surface of the chuck and sub- pipe is rough surface, and the contact surface between the latch and bolt is coarse
Face.
The fixed ring include by hexagon socket head cap screw be connected the first fixed ring piece and the second fixed ring piece, described first
Fixed ring piece is semi-circular shape structure, and second fixed ring piece is " Ω " type structure, and the hexagon socket head cap screw is solid through second
The end for determining to be inserted into behind the bending place of ring plate the first fixed ring piece is fixed.
The contact surface of the fixed ring and main pipe is rough surface, and the outer surface of the hexagonal protrusion on the telescopic rod is by resistance to
Mill processing.
The invention has the advantages that the device can fix BOSS head, workpeople is helped when welding BOSS without diverting one's attention
Positive BOSS chieftain's pipe.Meanwhile BOSS welding region metaplasias can be improved, improve BOSS welding region stress and concentrate,
BOSS welding region quality are improved, avoid the occurrence of weld defect caused by factor pipe tilts, and then extend to a certain extent
BOSS service life.And the device is easily operated, structure is simple, saves manpower.Device volume is small, tears open convenient for clamping fixation
It unloads, could be applicable to large-scale non-removable pipeline welding.
Detailed description of the invention:
Fig. 1 is a kind of structural schematic diagram of the special fixture welded for BOSS of the present invention.
Fig. 2 is a kind of Telescopic rod structure schematic diagram of the special fixture welded for BOSS of the present invention.
Fig. 3 is a kind of chuck structural schematic diagram of the special fixture welded for BOSS of the present invention.
Fig. 4 is a kind of fixed ring structural schematic diagram of the special fixture welded for BOSS of the present invention.
Fig. 5 is the present invention a kind of latch and bolt engaging structure schematic diagram of the special fixture welded for BOSS.
Wherein, main pipe 1, sub- pipe 2, fixed ring 3, the first fixed ring piece 31, the second fixed ring piece 32, bending place 321, interior six
Corner bolt 33, the second connection ring 34, chuck 4, sliding slot 41, bolt 411, raised line 42, latch 43, narrow plane 44, arc groove
45, the first connection ring 46, telescopic rod 5, upper boom 51, continuous boss 52, lower beam 53, hexagonal protrusion 54, upper connector 55, lower connection
Part 56, load transducer 57.
Specific embodiment
In conjunction with attached drawing, a kind of special fixture welded for BOSS provided by the invention is described further.
Embodiment one, as shown in Figs 1-4, a kind of special fixture welded for BOSS, be suitable for BOSS main pipes 1 and
Welding between BOSS chieftain's pipe 2.
Wherein, fixture includes the fixed ring 3 in the main pipe 1,4, four telescopic rods 5 of chuck on sub- pipe 2,
Fixed ring 3 sets there are two and is respectively arranged on the two sides of main pipe 1 Yu sub- 2 pad of pipe, and the upper end of telescopic rod 5 and chuck 4 connect
It connects, the lower end of telescopic rod 5 is connect with fixed ring 3.
Fixed ring 3 includes the first fixed ring piece 31 and the second fixed ring piece 32 being connected by hexagon socket head cap screw 33, wherein
First fixed ring piece 31 is semi-circular shape structure, and the second fixed ring piece 32 is " Ω " type structure, and hexagon socket head cap screw 33 runs through second
The end that the first fixed ring piece 31 is inserted into behind the bending place 321 of fixed ring piece 32 is fixed.
Further, the contact surface of fixed ring 3 and main pipe 1 is rough surface.
Chuck 4 is the cirque structure being sheathed on sub- pipe 2, is opened up on chuck 4 there are four sliding slot 41, sliding slot
41 two sides are equipped with and the raised line 42 consistent in length of sliding slot 41, the interior latch 43 being equipped with 42 grafting of raised line of sliding slot 41, latch
43 can move in sliding slot 41.
Further, bolt 411 is additionally provided in sliding slot 41, toothing is arranged at the bottom of latch 43, and latch 43 passes through toothing
It is engaged with bolt 411, latch 43 can be pressed to the movement of 4 center of chuck by rotating bolt 411.Wherein, bolt 411 is interior
Hexagonal jackscrew restructures bolt.
Further, latch 43 is horn structure of the apex angle with a narrow plane 44 close to the one end at 4 center of chuck,
The one end of latch 43 far from 4 center of chuck is planar structure.
Further, 12 arc grooves 45 are also provided on chuck 4, arc groove 45 is uniformly distributed in chuck
4 upper surface.
Further, the contact surface of chuck 4 and sub- pipe 2 is rough surface, and the contact surface between latch 43 and bolt is
Rough surface.
Telescopic rod 5 includes upper boom 51, continuous boss 52 and lower beam 53, and continuous boss 52 is equipped with hexagonal protrusion 54, passes through
Rotate pulling force/pressure size suffered by the raised 54 changeable telescopic rods 5 of hexagonal.Wherein, the hexagonal protrusion 54 on telescopic rod 5 is outer
Wear-resistant Treatment is passed through on surface.
Further, connected by screw thread between lower beam 53 and continuous boss 52 between upper boom 51 and continuous boss 52
It connects, passes through rotation upper boom 51 or/and the length of 53 adjustable and retractable bar 5 of lower beam.
Further, it is also arranged with load transducer 57 on upper boom 51, it is big to detect pulling force/pressure suffered by telescopic rod 5
It is small.
Wherein, the side wall of chuck 4 is set there are four the first connection ring 46, and four the first connection ring 46 intervals are set in the same manner
In the side wall of chuck 4.The side wall of fixed ring 3 is set there are two the second connection ring 34, and two the second connection rings 34 are respectively arranged on
The center of first fixed ring piece 31 and the second fixed ring piece 32.The both ends of telescopic rod 5 are respectively equipped with upper connector 55 under
Connector 56, upper connector 55 are connected with the first connection ring 46, and lower connector 56 is connected with the second connection ring 34.
Wherein, upper connector 55 is set to the upper end of upper boom 51, and lower connector 56 is set to the lower end of lower beam 53.
A kind of embodiment two, special fixture welded for BOSS, is suitable for BOSS main pipes 1 and BOSS chieftain's pipe 2
Between welding.
Wherein, fixture includes the fixed ring 3 in the main pipe 1,4, two telescopic rods 5 of chuck on sub- pipe 2,
Fixed ring 3 sets there are two and is respectively arranged on the two sides of main pipe 1 Yu sub- 2 pad of pipe, and the upper end of telescopic rod 5 and chuck 4 connect
It connects, the lower end of telescopic rod 5 is connect with fixed ring 3.
Fixed ring 3 includes the first fixed ring piece 31 and the second fixed ring piece 32 being connected by hexagon socket head cap screw 33, wherein
First fixed ring piece 31 is semi-circular shape structure, and the second fixed ring piece 32 is " Ω " type structure, and hexagon socket head cap screw 33 runs through second
The end that the first fixed ring piece 31 is inserted into behind the bending place 321 of fixed ring piece 32 is fixed.
Further, the contact surface of fixed ring 3 and main pipe 1 is rough surface.
Chuck 4 is the cirque structure being sheathed on sub- pipe 2, is opened up on chuck 4 there are two sliding slot 41, sliding slot
41 two sides are equipped with and the raised line 42 consistent in length of sliding slot 41, the interior latch 43 being equipped with 42 grafting of raised line of sliding slot 41, latch
43 can move in sliding slot 41.
Further, bolt 411 is additionally provided in sliding slot 41, toothing is arranged at the bottom of latch 43, and latch 43 passes through toothing
It is engaged with bolt 411, latch 43 can be pressed to the movement of 4 center of chuck by rotating bolt 411.Wherein, bolt 411 is interior
Hexagonal jackscrew restructures bolt.
Further, latch 43 is horn structure of the apex angle with a narrow plane 44 close to the one end at 4 center of chuck,
The one end of latch 43 far from 4 center of chuck is planar structure.
Further, four arc grooves 45 are also provided on chuck 4, arc groove 45 is uniformly distributed in chuck 4
Upper surface.
Further, the contact surface of chuck 4 and sub- pipe 2 is rough surface, and the contact surface between latch 43 and bolt is
Rough surface.
Telescopic rod 5 includes upper boom 51, continuous boss 52 and lower beam 53, and continuous boss 52 is equipped with hexagonal protrusion 54, passes through
Rotate pulling force/pressure size suffered by the raised 54 changeable telescopic rods 5 of hexagonal.Wherein, the hexagonal protrusion 54 on telescopic rod 5 is outer
Wear-resistant Treatment is passed through on surface.
Further, connected by screw thread between lower beam 53 and continuous boss 52 between upper boom 51 and continuous boss 52
It connects, passes through rotation upper boom 51 or/and the length of 53 adjustable and retractable bar 5 of lower beam.
Further, it is also arranged with load transducer 57 on upper boom 51, it is big to detect pulling force/pressure suffered by telescopic rod 5
It is small.
Wherein, the side wall of chuck 4 is set there are two the first connection ring 46, and two the first connection rings 46 are spaced identical set
It sets；The side wall of fixed ring 3 is equipped with second connection ring 34, and the both ends of telescopic rod 5 are respectively equipped with upper connector 55 and lower connection
Part 56, upper connector 55 are connected with the first connection ring 46, and lower connector 56 is connected with the second connection ring 34.
Wherein, upper connector 55 is set to the upper end of upper boom 51, and lower connector 56 is set to the lower end of lower beam 53.
The working principle of the specific embodiment of the invention are as follows: first using the fixed BOSS head of special mould clamp, can be twisted by spanner
There is the casing of hexagonal protrusion in centre, controls the suffered pulling force of telescopic rod or the size of pressure, makes the pulling force of four load transducers
Or pressure size keeps equal.When carrying out BOSS welding, pulling force of the sub- pipe by special mould clamp can weaken because of welding
Sub- pipe inclination, can improve BOSS welding region metaplasias, improve BOSS welding region stress caused by region deformation
It concentrates, BOSS welding region quality is improved, to substantially increase BOSS service life.
Although the present invention has been illustrated and described with reference to preferred embodiments, this profession ordinary skill
Personnel are it is to be appreciated that within the scope of the claims, can make various variation in form and details.
Claims (10)
1. a kind of special fixture welded for BOSS, suitable for the welding between BOSS main pipes and BOSS chieftain's pipe,
It is characterized in that the fixture includes the fixed ring in main pipe and the chuck on sub- pipe, the fixed ring is equipped with two
Two sides that are a and being respectively arranged on main pipe Yu sub- pipe pad, the fixture further include telescopic rod, the upper end of the telescopic rod and four paws
Chuck connects and lower end is connect with fixed ring, and the telescopic rod is equipped with hexagonal protrusion, can be changed by rotating the hexagonal protrusion
Become pulling force/pressure size suffered by telescopic rod.
2. a kind of special fixture welded for BOSS according to claim 1, it is characterised in that the chuck
Side wall be equipped at least two first connection rings, the side wall of the fixed ring is equipped at least one second connection ring, described flexible
The both ends of bar are respectively equipped with upper connector and lower connector, and upper connector is connected with the first connection ring, and lower connector and second connects
Ring is connect to be connected.
3. a kind of special fixture welded for BOSS according to claim 2, it is characterised in that the telescopic rod is also
Including upper boom, continuous boss and lower beam, connected by screw thread between lower beam and continuous boss between upper boom and continuous boss
It connects, passes through rotation upper boom or/and the length of lower beam adjustable and retractable bar；The upper connector is set to the upper end of upper boom, described
Lower connector is set to the lower end of lower beam.
4. a kind of special fixture welded for BOSS according to claim 3, it is characterised in that on the upper boom also
It is arranged with load transducer, to detect pulling force/pressure size suffered by telescopic rod.
5. a kind of special fixture welded for BOSS according to claim 1, it is characterised in that the chuck
For the cirque structure being sheathed on sub- pipe, at least two sliding slots are offered on the chuck, the two sides of sliding slot are equipped with
With the consistent raised line of track length, it is equipped with the latch with raised line grafting in the sliding slot, which can be in moving in sliding slot.
6. a kind of special fixture welded for BOSS according to claim 5, it is characterised in that in the sliding slot also
Equipped with bolt, toothing is arranged at the bottom of the latch, and latch is engaged by the toothing with bolt, can be pushed up by rotating bolt
Press latch mobile to chuck center；The latch is close to the point that the one end at chuck center is that apex angle has a narrow plane
Corner structure, the one end of the latch far from chuck center is planar structure.
7. a kind of special fixture welded for BOSS according to claim 6, it is characterised in that the chuck
On be also provided at least four arc grooves, the uniformly distributed upper surface in chuck of arc groove.
8. a kind of special fixture welded for BOSS according to claim 6, it is characterised in that the chuck
Contact surface with sub- pipe is rough surface, and the contact surface between the latch and bolt is rough surface.
9. a kind of special fixture welded for BOSS according to claim 1, it is characterised in that the fixed ring packet
The first fixed ring piece and the second fixed ring piece being connected by hexagon socket head cap screw are included, first fixed ring piece is semi-circular shape knot
Structure, second fixed ring piece are " Ω " type structure, and the hexagon socket head cap screw is inserted into behind the bending place of the second fixed ring piece
The end of first fixed ring piece is fixed.
10. it is according to claim 9 it is a kind of for BOSS weld special fixture, it is characterised in that the fixed ring with
The contact surface of main pipe is rough surface, and Wear-resistant Treatment is passed through in the outer surface of the hexagonal protrusion on the telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910561531.0A CN110303290B (en) | 2019-06-26 | 2019-06-26 | Be used for BOSS head welded special fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910561531.0A CN110303290B (en) | 2019-06-26 | 2019-06-26 | Be used for BOSS head welded special fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110303290A true CN110303290A (en) | 2019-10-08 |
| CN110303290B CN110303290B (en) | 2024-03-15 |
Family
ID=68076624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910561531.0A Active CN110303290B (en) | 2019-06-26 | 2019-06-26 | Be used for BOSS head welded special fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110303290B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57127579A (en) * | 1981-02-02 | 1982-08-07 | Nippon Kokan Kk <Nkk> | Welding device for main pipe body and branch pipe body |
| JP2017030004A (en) * | 2015-07-30 | 2017-02-09 | 株式会社東芝 | Pipe welding method and welding assembly structure |
| CN208147277U (en) * | 2018-04-18 | 2018-11-27 | 雅安市智力机械设备有限责任公司 | A kind of three-way pipeline welding platform with automatic positioning function |
| CN109290708A (en) * | 2018-11-20 | 2019-02-01 | 哈尔滨阿尔特机器人技术有限公司 | The automatic welding machine people system and control method of BOSS reparations |
| CN109570892A (en) * | 2018-12-08 | 2019-04-05 | 黄力华 | It is a kind of for manufacturing the semi-automatic docking machine of three-way pipeline |
| CN210306521U (en) * | 2019-06-26 | 2020-04-14 | 浙江工业大学 | Be used for first welded special fixture of BOSS |
-
2019
- 2019-06-26 CN CN201910561531.0A patent/CN110303290B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57127579A (en) * | 1981-02-02 | 1982-08-07 | Nippon Kokan Kk <Nkk> | Welding device for main pipe body and branch pipe body |
| JP2017030004A (en) * | 2015-07-30 | 2017-02-09 | 株式会社東芝 | Pipe welding method and welding assembly structure |
| CN208147277U (en) * | 2018-04-18 | 2018-11-27 | 雅安市智力机械设备有限责任公司 | A kind of three-way pipeline welding platform with automatic positioning function |
| CN109290708A (en) * | 2018-11-20 | 2019-02-01 | 哈尔滨阿尔特机器人技术有限公司 | The automatic welding machine people system and control method of BOSS reparations |
| CN109570892A (en) * | 2018-12-08 | 2019-04-05 | 黄力华 | It is a kind of for manufacturing the semi-automatic docking machine of three-way pipeline |
| CN210306521U (en) * | 2019-06-26 | 2020-04-14 | 浙江工业大学 | Be used for first welded special fixture of BOSS |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110303290B (en) | 2024-03-15 |
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