CN210306521U - Be used for first welded special fixture of BOSS - Google Patents
Be used for first welded special fixture of BOSS Download PDFInfo
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- CN210306521U CN210306521U CN201920973342.XU CN201920973342U CN210306521U CN 210306521 U CN210306521 U CN 210306521U CN 201920973342 U CN201920973342 U CN 201920973342U CN 210306521 U CN210306521 U CN 210306521U
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- special fixture
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Abstract
The utility model belongs to the technical field of the pipe fitting processing equipment, especially, relate to a be used for BOSS head welded special fixture. The utility model provides a be used for first welded special fixture of BOSS, is applicable to the welding between the first female pipe of BOSS and the first son pipe of BOSS, anchor clamps are including locating solid fixed ring on the female pipe and locating the four-jaw chuck on the son pipe, gu fixed ring is equipped with two and locates the both sides of female pipe and son pipe welding point respectively, anchor clamps still include the telescopic link, and the upper end and the four-jaw chuck of this telescopic link are connected, and the lower extreme is connected with solid fixed ring, it is protruding to be equipped with the hexagonal on the telescopic link, through rotating the protruding size that can change the telescopic link pulling force/pressure that receives of hexagonal. The utility model provides a can improve BOSS head weld zone territory tissue deformation, improve BOSS head weld zone territory stress concentration, improve the special fixture for BOSS head welding of BOSS head weld zone territory quality.
Description
Technical Field
The utility model belongs to the technical field of the pipe fitting processing equipment, especially, relate to a be used for BOSS head welded special fixture.
Background
Welding is a basic process of engineering construction and is also an engineering technology which is widely applied, but welding areas are often accompanied with some defects, and the tissue structure of some welding areas is not satisfactory.
The BOSS head is a small-size branch pipe joint, the BOSS head welding line is a placement type branch pipe welding line structure, the structure and the manufacturing process of the BOSS head welding line structure are mature, and the BOSS head welding line structure is widely applied to the fields of nuclear power plants, chemical engineering and the like. Generally, a sub-pipe welded by a BOSS head is long, the groove angle of a welding seam of the BOSS head is small, a welding area is easy to deform, the sub-pipe is inclined, and subsequent welding work is difficult to perform. Even the defects of incomplete fusion and the like of the welding seam easily occur, thereby influencing the quality of the welding seam.
Disclosure of Invention
The utility model aims to solve the technical problem that a be used for BOSS head welded special fixture that can improve BOSS head weld zone territory tissue deformation, improve BOSS head welding area stress concentration, improve BOSS head welding area quality is provided. Therefore, the utility model adopts the following technical scheme:
the utility model provides a be used for first welded special fixture of BOSS, is applicable to the welding between the first female pipe of BOSS and the first son pipe of BOSS, anchor clamps are including locating solid fixed ring on the female pipe and locating the four-jaw chuck on the son pipe, gu fixed ring is equipped with two and locates the both sides of female pipe and son pipe welding point respectively, anchor clamps still include the telescopic link, and the upper end and the four-jaw chuck of this telescopic link are connected, and the lower extreme is connected with solid fixed ring, it is protruding to be equipped with the hexagonal on the telescopic link, through rotating the protruding size that can change the telescopic link pulling force/pressure that receives of hexagonal.
On the basis of adopting above-mentioned technical scheme, the utility model discloses still can adopt following further technical scheme:
the side wall of the four-jaw chuck is provided with at least two first connecting rings, the side wall of the fixing ring is provided with at least one second connecting ring, two ends of the telescopic rod are respectively provided with an upper connecting piece and a lower connecting piece, the upper connecting piece is connected with the first connecting rings, and the lower connecting piece is connected with the second connecting rings.
The telescopic rod further comprises an upper rod, a through hole sleeve and a lower rod, the upper rod and the through hole sleeve and the lower rod and the through hole sleeve are connected through threads, and the length of the telescopic rod can be adjusted by rotating the upper rod or/and the lower rod; the upper connecting piece is arranged at the upper end part of the upper rod, and the lower connecting piece is arranged at the lower end part of the lower rod.
And the upper rod is also sleeved with a load sensor to detect the tension/pressure applied to the telescopic rod.
The four-jaw chuck is a circular ring structure sleeved on the sub-pipe, at least two sliding grooves are formed in the four-jaw chuck, protruding strips with the same length as the sliding grooves are arranged on two sides of each sliding groove, clamping teeth spliced with the protruding strips are arranged in the sliding grooves, and the clamping teeth can move in the sliding grooves.
A bolt is further arranged in the sliding groove, a tooth structure is arranged at the bottom of the clamping tooth, the clamping tooth is meshed with the bolt through the tooth structure, and the clamping tooth can be jacked to move towards the center of the four-jaw chuck through rotating the bolt; the end of the latch close to the center of the four-jaw chuck is a sharp-angled structure with a narrow plane at the vertex angle, and the end of the latch far away from the center of the four-jaw chuck is of a plane structure.
At least four arc-shaped grooves are further formed in the four-jaw chuck, and the arc-shaped grooves are uniformly distributed on the upper surface of the four-jaw chuck.
The contact surface of the four-jaw chuck and the sub pipe is a rough surface, and the contact surface between the clamping teeth and the bolt is a rough surface.
The fixing ring comprises a first fixing ring piece and a second fixing ring piece which are connected through an inner hexagon bolt, the first fixing ring piece is of a semicircular annular structure, the second fixing ring piece is of an omega-shaped structure, and the inner hexagon bolt penetrates through the bent part of the second fixing ring piece and then is inserted into the end part of the first fixing ring piece to be fixed.
The contact surface of the fixing ring and the main pipe is a rough surface, and the outer surface of the hexagonal protrusion on the telescopic rod is subjected to wear-resisting treatment.
The utility model has the advantages that: the device can fix the BOSS head, and workers do not need to be distracted to right the sub-pipe of the BOSS head when welding the BOSS head. Meanwhile, the deformation of the structure of the welding area of the BOSS head can be improved, the stress concentration of the welding area of the BOSS head is improved, the quality of the welding area of the BOSS head is improved, the defect of welding seams caused by the inclination of a factor pipe is avoided, and the service life of the BOSS head is prolonged to a certain extent. And the device is easy to operate, simple in structure and labor-saving. The device is small in size, convenient to clamp, fix and disassemble and also applicable to large-scale non-detachable pipeline welding.
Description of the drawings:
fig. 1 is a schematic structural diagram of the special fixture for welding the BOSS head of the utility model.
Fig. 2 is the utility model relates to a telescopic rod structure sketch map for BOSS head welded special fixture.
Fig. 3 is the structural schematic diagram of the four-jaw chuck of the special fixture for welding the BOSS head of the present invention.
Fig. 4 is a schematic structural view of a fixing ring of the special fixture for welding the BOSS head of the present invention.
Fig. 5 is a schematic view of the latch and bolt engaging structure of the special fixture for welding the BOSS head of the present invention.
The main pipe 1, the sub pipe 2, the fixing ring 3, the first fixing ring piece 31, the second fixing ring piece 32, the bending part 321, the hexagon socket head cap screw 33, the second connecting ring 34, the four-jaw chuck 4, the sliding groove 41, the bolt 411, the protruding strip 42, the latch 43, the narrow plane 44, the arc-shaped groove 45, the first connecting ring 46, the telescopic rod 5, the upper rod 51, the through hole casing 52, the lower rod 53, the hexagonal protrusion 54, the upper connecting piece 55, the lower connecting piece 56 and the load sensor 57.
Detailed Description
The special fixture for welding the BOSS head provided by the invention is further described by combining the attached drawings.
In the first embodiment, as shown in fig. 1 to 4, a special fixture for welding a BOSS head is suitable for welding a BOSS head female pipe 1 and a BOSS head male pipe 2.
Wherein, anchor clamps are including locating solid fixed ring 3 on female pipe 1, locating four-jaw chuck 4 on son pipe 2, four telescopic link 5, gu fixed ring 3 is equipped with two and locates the both sides of female pipe 1 and the 2 welding points of son pipe respectively, the upper end and the four-jaw chuck 4 of telescopic link 5 are connected, the lower extreme and the solid fixed ring 3 of telescopic link 5 are connected.
The fixing ring 3 includes a first fixing ring piece 31 and a second fixing ring piece 32 connected by an inner hexagon bolt 33, wherein the first fixing ring piece 31 is of a semicircular ring structure, the second fixing ring piece 32 is of an omega-shaped structure, and the inner hexagon bolt 33 penetrates through a bending part 321 of the second fixing ring piece 32 and then is inserted into the end part of the first fixing ring piece 31 for fixing.
Further, the contact surface of the fixing ring 3 and the female pipe 1 is a rough surface.
The four-jaw chuck 4 is a circular ring structure sleeved on the sub-pipe 2, four sliding grooves 41 are formed in the four-jaw chuck 4, protruding strips 42 with the same length as the sliding grooves 41 are arranged on two sides of each sliding groove 41, latch teeth 43 inserted into the protruding strips 42 are arranged in the sliding grooves 41, and the latch teeth 43 can move in the sliding grooves 41.
Further, a bolt 411 is arranged in the sliding groove 41, a tooth structure is arranged at the bottom of the latch 43, the latch 43 is meshed with the bolt 411 through the tooth structure, and the latch 43 can be pressed to move towards the center of the four-jaw chuck 4 by rotating the bolt 411. Wherein, bolt 411 is a modified bolt with hexagon socket head cap screw.
Further, one end of the latch 43 close to the center of the four-jaw chuck 4 is in a sharp-angled structure with a narrow plane 44 at the vertex angle, and one end of the latch 43 far from the center of the four-jaw chuck 4 is in a plane structure.
Furthermore, twelve arc-shaped grooves 45 are formed in the four-jaw chuck 4, and the arc-shaped grooves 45 are uniformly distributed on the upper surface of the four-jaw chuck 4.
Further, the contact surface between the four-jaw chuck 4 and the sub-pipe 2 is a rough surface, and the contact surface between the latch 43 and the bolt is a rough surface.
The telescopic rod 5 comprises an upper rod 51, a through hole sleeve 52 and a lower rod 53, the through hole sleeve 52 is provided with a hexagonal protrusion 54, and the size of the tensile force/pressure applied on the telescopic rod 5 can be changed by rotating the hexagonal protrusion 54. Wherein, the outer surface of the hexagonal protrusion 54 on the telescopic rod 5 is subjected to wear-resistant treatment.
Further, the upper rod 51 and the through hole sleeve 52 and the lower rod 53 and the through hole sleeve 52 are connected through threads, and the length of the telescopic rod 5 can be adjusted by rotating the upper rod 51 or/and the lower rod 53.
Further, the upper rod 51 is also sleeved with a load sensor 57 to detect the magnitude of the tensile force/pressure applied to the telescopic rod 5.
The four first connecting rings 46 are disposed on the side wall of the four-jaw chuck 4, and the four first connecting rings 46 are disposed on the side wall of the four-jaw chuck 4 at equal intervals. The side wall of the fixing ring 3 is provided with two second connecting rings 34, and the two second connecting rings 34 are respectively arranged at the central positions of the first fixing ring piece 31 and the second fixing ring piece 32. The telescopic rod 5 is provided at both ends thereof with an upper connecting member 55 and a lower connecting member 56, respectively, the upper connecting member 55 being connected to the first connecting ring 46, and the lower connecting member 56 being connected to the second connecting ring 34.
The upper link 55 is provided at the upper end of the upper rod 51, and the lower link 56 is provided at the lower end of the lower rod 53.
The second embodiment is a special fixture for welding a BOSS head, and is suitable for welding a BOSS head female pipe 1 and a BOSS head male pipe 2.
Wherein, anchor clamps are including locating solid fixed ring 3 on female pipe 1, locating four-jaw chuck 4 on son pipe 2, two telescopic link 5, gu fixed ring 3 is equipped with two and locates the both sides of female pipe 1 and the 2 welding points of son pipe respectively, the upper end and the four-jaw chuck 4 of telescopic link 5 are connected, the lower extreme and the solid fixed ring 3 of telescopic link 5 are connected.
The fixing ring 3 includes a first fixing ring piece 31 and a second fixing ring piece 32 connected by an inner hexagon bolt 33, wherein the first fixing ring piece 31 is of a semicircular ring structure, the second fixing ring piece 32 is of an omega-shaped structure, and the inner hexagon bolt 33 penetrates through a bending part 321 of the second fixing ring piece 32 and then is inserted into the end part of the first fixing ring piece 31 for fixing.
Further, the contact surface of the fixing ring 3 and the female pipe 1 is a rough surface.
The four-jaw chuck 4 is a circular ring structure sleeved on the sub-pipe 2, two sliding grooves 41 are formed in the four-jaw chuck 4, protruding strips 42 with the same length as the sliding grooves 41 are arranged on two sides of each sliding groove 41, latch teeth 43 inserted into the protruding strips 42 are arranged in the sliding grooves 41, and the latch teeth 43 can move in the sliding grooves 41.
Further, a bolt 411 is arranged in the sliding groove 41, a tooth structure is arranged at the bottom of the latch 43, the latch 43 is meshed with the bolt 411 through the tooth structure, and the latch 43 can be pressed to move towards the center of the four-jaw chuck 4 by rotating the bolt 411. Wherein, bolt 411 is a modified bolt with hexagon socket head cap screw.
Further, one end of the latch 43 close to the center of the four-jaw chuck 4 is in a sharp-angled structure with a narrow plane 44 at the vertex angle, and one end of the latch 43 far from the center of the four-jaw chuck 4 is in a plane structure.
Furthermore, four arc-shaped grooves 45 are further formed in the four-jaw chuck 4, and the arc-shaped grooves 45 are uniformly distributed on the upper surface of the four-jaw chuck 4.
Further, the contact surface between the four-jaw chuck 4 and the sub-pipe 2 is a rough surface, and the contact surface between the latch 43 and the bolt is a rough surface.
The telescopic rod 5 comprises an upper rod 51, a through hole sleeve 52 and a lower rod 53, the through hole sleeve 52 is provided with a hexagonal protrusion 54, and the size of the tensile force/pressure applied on the telescopic rod 5 can be changed by rotating the hexagonal protrusion 54. Wherein, the outer surface of the hexagonal protrusion 54 on the telescopic rod 5 is subjected to wear-resistant treatment.
Further, the upper rod 51 and the through hole sleeve 52 and the lower rod 53 and the through hole sleeve 52 are connected through threads, and the length of the telescopic rod 5 can be adjusted by rotating the upper rod 51 or/and the lower rod 53.
Further, the upper rod 51 is also sleeved with a load sensor 57 to detect the magnitude of the tensile force/pressure applied to the telescopic rod 5.
Wherein, the side wall of the four-jaw chuck 4 is provided with two first connecting rings 46, and the two first connecting rings 46 are arranged at the same interval; the side wall of the fixed ring 3 is provided with a second connecting ring 34, the two ends of the telescopic rod 5 are respectively provided with an upper connecting piece 55 and a lower connecting piece 56, the upper connecting piece 55 is connected with the first connecting ring 46, and the lower connecting piece 56 is connected with the second connecting ring 34.
The upper link 55 is provided at the upper end of the upper rod 51, and the lower link 56 is provided at the lower end of the lower rod 53.
The utility model discloses embodiment's theory of operation does: the BOSS head is fixed by using a special fixture, a sleeve with a hexagonal protrusion in the middle can be screwed by a wrench, and the magnitude of the tensile force or pressure borne by the telescopic rod is controlled, so that the magnitudes of the tensile force or pressure of the four load sensors are kept equal. When the BOSS head is welded, the sub-pipe is pulled by the special fixture, the inclination of the sub-pipe caused by the deformation of a welding area can be weakened, the structural deformation of the welding area of the BOSS head can be improved, the stress concentration of the welding area of the BOSS head is improved, the quality of the welding area of the BOSS head is improved, and therefore the service life of the BOSS head is greatly prolonged.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.
Claims (10)
1. The utility model provides a be used for first welded special fixture of BOSS, is applicable to the welding between the female pipe of BOSS head and the first son pipe of BOSS, its characterized in that anchor clamps are including locating solid fixed ring on the female pipe and locating the four-jaw chuck on the son pipe, gu fixed ring is equipped with two and locates the both sides of female pipe and son pipe welding point respectively, anchor clamps still include the telescopic link, the upper end and the four-jaw chuck of this telescopic link are connected, and the lower extreme is connected with solid fixed ring, be equipped with the hexagonal arch on the telescopic link, through rotating the size of the tensile force/pressure that the telescopic link receives can be changed to the hexagonal arch.
2. The special fixture for welding the BOSS head as claimed in claim 1, wherein the side wall of the four-jaw chuck is provided with at least two first connection rings, the side wall of the fixing ring is provided with at least one second connection ring, the two ends of the telescopic rod are respectively provided with an upper connection member and a lower connection member, the upper connection member is connected with the first connection rings, and the lower connection member is connected with the second connection rings.
3. The special fixture for welding the BOSS head according to claim 2, wherein the telescopic rod further comprises an upper rod, a through hole sleeve and a lower rod, the upper rod and the through hole sleeve and the lower rod and the through hole sleeve are connected through threads, and the length of the telescopic rod can be adjusted by rotating the upper rod or/and the lower rod; the upper connecting piece is arranged at the upper end part of the upper rod, and the lower connecting piece is arranged at the lower end part of the lower rod.
4. The special fixture for welding the BOSS head as claimed in claim 3, wherein the upper rod is further sleeved with a load sensor for detecting the tension/pressure applied to the telescopic rod.
5. The special fixture for welding the BOSS head as claimed in claim 1, wherein the four-jaw chuck is a circular ring structure sleeved on the sub-pipe, the four-jaw chuck is provided with at least two sliding grooves, protruding strips with the same length as the sliding grooves are arranged on both sides of the sliding grooves, and the sliding grooves are provided with latch teeth inserted into the protruding strips, and the latch teeth can move in the sliding grooves.
6. The special fixture for welding the BOSS head as claimed in claim 5, wherein a bolt is further arranged in the sliding groove, a tooth structure is arranged at the bottom of the latch, the latch is meshed with the bolt through the tooth structure, and the latch can be pressed to move towards the center of the four-jaw chuck by rotating the bolt; the end of the latch close to the center of the four-jaw chuck is a sharp-angled structure with a narrow plane at the vertex angle, and the end of the latch far away from the center of the four-jaw chuck is of a plane structure.
7. The special fixture for welding the BOSS head according to claim 6, wherein the four-jaw chuck is further provided with at least four arc-shaped grooves, and the arc-shaped grooves are uniformly distributed on the upper surface of the four-jaw chuck.
8. The special fixture for welding the BOSS head as recited in claim 6, wherein the contact surface between the four-jaw chuck and the sub-pipe is rough, and the contact surface between the latch and the bolt is rough.
9. The special fixture for welding the BOSS head according to claim 1, wherein the fixing ring comprises a first fixing ring piece and a second fixing ring piece which are connected through an inner hexagon bolt, the first fixing ring piece is of a semicircular structure, the second fixing ring piece is of an omega-shaped structure, and the inner hexagon bolt penetrates through a bent part of the second fixing ring piece and then is inserted into an end of the first fixing ring piece for fixing.
10. The special fixture for welding the BOSS of the screw machine as claimed in claim 9, wherein the contact surface of the fixing ring and the female tube is rough, and the outer surface of the hexagonal protrusion on the telescopic rod is treated with wear-resistant treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920973342.XU CN210306521U (en) | 2019-06-26 | 2019-06-26 | Be used for first welded special fixture of BOSS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920973342.XU CN210306521U (en) | 2019-06-26 | 2019-06-26 | Be used for first welded special fixture of BOSS |
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| Publication Number | Publication Date |
|---|---|
| CN210306521U true CN210306521U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920973342.XU Active CN210306521U (en) | 2019-06-26 | 2019-06-26 | Be used for first welded special fixture of BOSS |
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| Country | Link |
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| CN (1) | CN210306521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303290A (en) * | 2019-06-26 | 2019-10-08 | 浙江工业大学 | A kind of special fixture welded for BOSS |
-
2019
- 2019-06-26 CN CN201920973342.XU patent/CN210306521U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303290A (en) * | 2019-06-26 | 2019-10-08 | 浙江工业大学 | A kind of special fixture welded for BOSS |
| CN110303290B (en) * | 2019-06-26 | 2024-03-15 | 浙江工业大学 | Be used for BOSS head welded special fixture |
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