CN112894252A - Hydrogen production device pressure-bearing pipeline welding group is to frock - Google Patents
Hydrogen production device pressure-bearing pipeline welding group is to frock Download PDFInfo
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- CN112894252A CN112894252A CN202110116339.8A CN202110116339A CN112894252A CN 112894252 A CN112894252 A CN 112894252A CN 202110116339 A CN202110116339 A CN 202110116339A CN 112894252 A CN112894252 A CN 112894252A
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- extrusion
- sleeve
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- assembly
- rod
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Links
- 238000003466 welding Methods 0.000 title claims abstract description 27
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 18
- 239000001257 hydrogen Substances 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 238000001125 extrusion Methods 0.000 claims description 70
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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
- B23K37/0531—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 internal pipe alignment clamps
-
- 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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a welding and assembling tool for a pressure-bearing pipeline of a hydrogen production device, which comprises an assembling component, a steel pipe and a positioning component for assisting the assembling component and the steel pipe in welding, wherein the assembling component is a tee joint, or a four-way joint, or a flange, or a concentric reducer; the positioning assembly comprises a main rod, a threaded sleeve and a movable sleeve. The invention has the advantages of ingenious design and good effect.
Description
Technical Field
The invention relates to the technical field of hydrogen production, in particular to a welding and assembling tool for a pressure-bearing pipeline of a hydrogen production device.
Background
The pressure-bearing pipeline of the hydrogen production device is mainly formed by assembling and welding pipe fittings such as flanges, tee joints, four-way joints, concentric reducing pipes and steel pipes, and the pressure-bearing pipeline of the hydrogen production device bears the working conditions of high temperature, high pressure and hydrogen in the service process, has extremely high requirements on the quality of the pressure-bearing pipeline of the hydrogen production device, and needs to control the misalignment amount, concentricity and end deflection amount generated in the welding process.
The alignment between the assembly ports of the assembly parts such as flanges, three-way joints, four-way joints, concentric reducing pipes and the like and the pipe ports of the steel pipes is difficult to keep by the conventional welding assembly tool, so that the assembly parts and the steel pipes are deviated in the welding process, the misalignment amount is overlarge, and the concentricity and the end deviation amount exceed the standard requirements, so that the welded finished product is unqualified. In addition, in the existing auxiliary tool, welding between the round-mouth group assembly and the round-mouth steel pipe can only be assisted, and the application range is limited.
Disclosure of Invention
The invention provides a welding and assembling tool for a pressure-bearing pipeline of a hydrogen production device, which can effectively solve the technical problems in the background.
In order to achieve the above purpose, the invention provides the following technical scheme:
a welding and assembling tool for a pressure-bearing pipeline of a hydrogen production device comprises an assembling component, a steel pipe and a positioning component for assisting the assembling component and the steel pipe in welding, wherein the assembling component is a tee joint, or a four-way joint, or a flange, or a concentric reducing pipe; the positioning assembly comprises a main rod, a threaded sleeve and a movable sleeve, wherein an external thread is arranged at the upper end of the main rod, an internal thread is arranged on the inner wall of the threaded sleeve, the threaded sleeve is sleeved at the upper end of the main rod, the external thread is meshed with the internal thread, the movable sleeve is sleeved at the lower end of the main rod and can slide relative to the main rod, and a connecting seat is connected to the bottom of the main rod; the upper end and the lower end of the movable sleeve are respectively hinged with four main connecting rods, the lower end of the threaded sleeve and the connecting seat are respectively hinged with four auxiliary connecting rods, a positioning main board is arranged between the end part of each main connecting rod and the end part of each auxiliary connecting rod close to the main connecting rod, a strip-shaped hole is formed in each positioning main board, the end part of each main connecting rod is hinged in each strip-shaped hole, the end part of each auxiliary connecting rod is hinged on each positioning main board, and the middle part of each main connecting rod is hinged with the middle part of each auxiliary connecting rod; connecting springs are arranged between the threaded sleeve and the movable sleeve and between the movable sleeve and the connecting seat; the steel pipe assembling device comprises a threaded sleeve, a connecting sleeve, an extrusion assembly and a steel pipe, wherein the threaded sleeve is sleeved with the extrusion sleeve in threaded connection with the threaded sleeve, a bearing is sleeved outside the extrusion sleeve, the bearing is sleeved with the connecting sleeve, the connecting sleeve is detachably connected with the extrusion assembly, and the extrusion assembly is used for reducing a gap between the assembly and the steel pipe; the positioning main board is detachably connected with an extension part.
Preferably, the extrusion assembly comprises an extrusion plate, an extrusion rod and a first bolt, the connection sleeve is provided with an insertion hole, the end part of the extrusion plate is inserted into the insertion hole, and the first bolt penetrates through the extrusion plate from the bottom of the connection sleeve; the extrusion plate is worn to locate at the top of extrusion pole, the top of extrusion pole is equipped with the stopper, and the bottom of extrusion pole is connected with the extrusion seat, the cover is equipped with extrusion spring on the extrusion pole, extrusion spring is located between extrusion plate and the extrusion seat.
Preferably, the extension part comprises a connecting plate, a positioning auxiliary plate and a second bolt, the positioning auxiliary plate and the second bolt are connected to the connecting plate, a slot is formed in the positioning main plate, the end part of the connecting plate is inserted into the slot, and the second bolt penetrates through the connecting plate from one side of the positioning main plate.
Preferably, the upper end of the main rod is provided with a handle top.
Preferably, a straight torsion bar is arranged at the upper end of the threaded sleeve.
Preferably, a butterfly-shaped torsion bar is connected to the extrusion sleeve.
The invention has the beneficial effects that:
according to the invention, the matching among the main connecting rod, the auxiliary connecting rod and the positioning main plate is arranged, so that the assembly ports of the assembly parts and the pipe ports of the steel pipes can be aligned synchronously, and the assembly parts and the steel pipes can be welded conveniently; through the arranged extrusion assembly, the gap between the assembly and the steel pipe can be reduced, so that welding is facilitated; through the extension part that sets up to can make things convenient for the welding between group's subassembly and the steel pipe of rectangle mouth to the rectangle mouth. The invention has the advantages of ingenious design and good effect.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1: the invention discloses a structural schematic diagram of a pair of assembly parts which are flanges.
FIG. 2: when the assembly part is a flange, the positioning of the round steel pipe is in a schematic plan view.
FIG. 3: when the assembly part is a flange, the positioning of the square-mouth steel pipe is simplified in plan view.
FIG. 4: when the assembly is a flange, the structure of the positioning assembly is shown schematically.
FIG. 5: when the assembly part is a flange, the positioning of the steel pipe with the rectangular opening is simplified in plan view.
FIG. 6: the invention is illustrated schematically at the structure a in fig. 5.
FIG. 7: the invention discloses a structural schematic diagram of a group assembly part in a tee joint.
FIG. 8: the invention discloses a structural schematic diagram of a group assembly in a four-way manner.
FIG. 9: the invention discloses a structural schematic diagram of a pair assembly of concentric reducing pipes.
In the figure: 1. the assembly comprises an assembly part, 2, a steel pipe, 3, a main rod, 4, a threaded sleeve, 5, a movable sleeve, 6, external threads, 7, a connecting seat, 8, a main connecting rod, 9, an auxiliary connecting rod, 10, a positioning main board, 11, a strip-shaped hole, 12, a connecting spring, 13, an extrusion sleeve, 14, a bearing, 15, a connecting sleeve, 16, an extrusion plate, 17, an extrusion rod, 18, a bolt I, 19, a limiting block, 20, a limiting block, 21, an extrusion spring, 22, a connecting plate, 23, a positioning auxiliary board, 24, a bolt II, 25, a handle top, 26, a straight torsion bar, 27 and a butterfly torsion bar.
Detailed Description
The following detailed description of embodiments of the invention, but the invention can be practiced in many different ways, as defined and covered by the claims:
as shown in fig. 1 to 9, the invention provides a welding and assembling tool for a group assembly 1 and a steel pipe 2 for a hydrogen production device, which comprises the group assembly 1, the steel pipe 2 and a positioning assembly for assisting welding of the group assembly 1 and the steel pipe 2.
Referring to fig. 1 and 4, the positioning assembly includes a main rod 3, a threaded sleeve 4, a movable sleeve 5, an external thread 6 is disposed at an upper end of the main rod 3, an internal thread is disposed on an inner wall of the threaded sleeve 4, the threaded sleeve 4 is sleeved on the upper end of the main rod 3, the external thread 6 is engaged with the internal thread, the movable sleeve 5 is sleeved on a lower end of the main rod 3, the movable sleeve 5 can slide relative to the main rod 3, a connecting seat 7 is connected to a bottom of the main rod 3, a connecting spring 12 is disposed between the threaded sleeve 4 and the movable sleeve 5 and between the movable sleeve 5 and the connecting seat 7, a handle 25 is disposed at an upper end of the main rod 3, and a straight torsion bar 26 is disposed at an upper end of the threaded sleeve 4, so that the threaded sleeve 4 can move downward relative to the main rod 3 when the threaded sleeve 4.
Referring to fig. 1 and 2, the upper and lower ends of the movable sleeve 5 are hinged with four main connecting rods 8, the lower end of the threaded sleeve 4 and the connecting seat 7 are hinged with four auxiliary connecting rods 9, a positioning main plate 10 is arranged between the end of the main connecting rod 8 and the end of the auxiliary connecting rod 9 close to the main connecting rod 8, a strip-shaped hole 11 is formed in the positioning main plate 10, the end of the main connecting rod 8 is hinged in the strip-shaped hole 11, the end of the auxiliary connecting rod 9 is hinged on the positioning main plate 10, and the middle of the main connecting rod 8 is hinged with the middle of the auxiliary connecting rod 9. In order to stabilize the positioning main plates 10, each positioning main plate 10 matches two main links 8, two sub-links 9, as shown in fig. 2. Therefore, when the threaded sleeve 4 moves downwards relative to the main rod 3, the positioning main plate 10 can be expanded outwards, and when the positioning main plate 10 is expanded outwards, the positioning main plate 10 in the steel pipe 2 can also be expanded outwards, so that the pairing component 1 and the steel pipe 2 are synchronously propped against, and the pairing component 1 and the steel pipe 2 can be aligned up and down.
Referring to fig. 1 and 4, an extrusion sleeve 13 threadedly connected to the threaded sleeve 4 is sleeved on the threaded sleeve 4, a bearing 14 is sleeved outside the extrusion sleeve 13, a connection sleeve 15 is sleeved on the bearing 14, an extrusion assembly is detachably connected to the connection sleeve 15, the extrusion assembly is used for reducing a gap between the assembly 1 and the steel tube 2, and a butterfly-shaped torsion bar 27 is connected to the extrusion sleeve 13.
Referring to fig. 1 and 4, the extrusion assembly includes an extrusion plate 16, an extrusion rod 17, and a first bolt 18, the connection sleeve 15 is provided with an insertion hole, an end of the extrusion plate 16 is inserted into the insertion hole, and the first bolt 18 penetrates through the extrusion plate 16 from the bottom of the connection sleeve 15; the top of the extrusion rod 17 penetrates through the extrusion plate 16, the top of the extrusion rod 17 is provided with a limiting block 19, the bottom of the extrusion rod 17 is connected with an extrusion seat 20, the extrusion rod 17 is sleeved with an extrusion spring 21, the extrusion spring 21 is positioned between the extrusion plate 16 and the extrusion seat 20, after the assembly member 1 and the steel pipe 2 are vertically aligned, the sleeve 13 can be rotationally extruded through a butterfly-shaped torsion bar 27, the sleeve 13 can move downwards relative to the threaded sleeve 4, so as to drive the bearing 14 to move downwards, when the sleeve 13 rotates, the connecting sleeve 15 does not rotate and can move downwards under the action of the bearing 14, the extrusion plate 16 is driven to move downwards, under the action of the extrusion spring 21, the extrusion seat 20 arranged on the end surface of the assembly member 1 is extruded with the assembly member 1, so that the gap between the lower end surface of the assembly member 1 and the upper end surface of the steel pipe 2 is gradually reduced until the upper end surface of the lower end surface of the assembly member 1 and, thereby facilitating assembly of the assembly 1 on the welded steel pipe 2.
Referring to fig. 2 and 3, the above-mentioned whole positioning assembly can be applied to the welding between the round-mouth assembly 1 and the round-mouth steel tube 2, and can also be applied to the welding between the square-mouth assembly 1 and the square-mouth steel tube 2.
However, the whole positioning assembly in this embodiment may also be suitable for welding between the rectangular-mouth assembly 1 and the rectangular-mouth steel pipe 2, specifically as follows:
referring to fig. 4 to 6, the positioning main plate 10 is detachably connected with an extending member. The extending part comprises a connecting plate 22, a positioning auxiliary plate 23 connected to the connecting plate 22 and a second bolt 24, a slot is formed in the positioning main plate 10, the end part of the connecting plate 22 is inserted into the slot, and the second bolt 24 penetrates through the connecting plate 22 from one side of the positioning main plate 10.
Referring to fig. 5 and 6, the end portions of the two connecting plates 22 are respectively inserted into the slots of the two positioning main plates 10 located above, and then the two connecting plates 22 are respectively fixed on the two positioning main plates 10 by the second bolts 24, and the two positioning sub-plates 23 are symmetrical to each other, and similarly, the two connecting plates 22 are fixed with the two positioning main plates 10 located below, so that the corresponding positioning main plates 10 can be extended by the added positioning sub-plates 23, thereby facilitating the welding between the rectangular-mouth assembly 1 and the rectangular-mouth steel pipe 2.
The above-mentioned embodiments of the assembly 1 are flanges.
For the case where the assembly members 1 are tee, cross, and concentric pipes, reference is made to fig. 7 to 9.
The invention has been described in an illustrative manner, and it is to be understood that the invention is not limited in its application to the details of construction and to the arrangements of the components set forth in the following description, since such modifications are intended to be included within the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. The utility model provides a hydrogen plant pressure-bearing pipeline welding group is to frock which characterized in that: the assembly part is a tee joint, or a four-way joint, or a flange, or a concentric reducing pipe; the positioning assembly comprises a main rod, a threaded sleeve and a movable sleeve, wherein an external thread is arranged at the upper end of the main rod, an internal thread is arranged on the inner wall of the threaded sleeve, the threaded sleeve is sleeved at the upper end of the main rod, the external thread is meshed with the internal thread, the movable sleeve is sleeved at the lower end of the main rod and can slide relative to the main rod, and a connecting seat is connected to the bottom of the main rod; the upper end and the lower end of the movable sleeve are respectively hinged with four main connecting rods, the lower end of the threaded sleeve and the connecting seat are respectively hinged with four auxiliary connecting rods, a positioning main board is arranged between the end part of each main connecting rod and the end part of each auxiliary connecting rod close to the main connecting rod, a strip-shaped hole is formed in each positioning main board, the end part of each main connecting rod is hinged in each strip-shaped hole, the end part of each auxiliary connecting rod is hinged on each positioning main board, and the middle part of each main connecting rod is hinged with the middle part of each auxiliary connecting rod; connecting springs are arranged between the threaded sleeve and the movable sleeve and between the movable sleeve and the connecting seat; the steel pipe assembling device comprises a threaded sleeve, a connecting sleeve, an extrusion assembly and a steel pipe, wherein the threaded sleeve is sleeved with the extrusion sleeve in threaded connection with the threaded sleeve, a bearing is sleeved outside the extrusion sleeve, the bearing is sleeved with the connecting sleeve, the connecting sleeve is detachably connected with the extrusion assembly, and the extrusion assembly is used for reducing a gap between the assembly and the steel pipe; the positioning main board is detachably connected with an extension part.
2. The hydrogen production device pressure-bearing pipeline welding assembly tool according to claim 1, characterized in that: the extrusion assembly comprises an extrusion plate, an extrusion rod and a first bolt, the connection sleeve is provided with an insertion hole, the end part of the extrusion plate is inserted into the insertion hole, and the first bolt penetrates through the extrusion plate from the bottom of the connection sleeve; the extrusion plate is worn to locate at the top of extrusion pole, the top of extrusion pole is equipped with the stopper, and the bottom of extrusion pole is connected with the extrusion seat, the cover is equipped with extrusion spring on the extrusion pole, extrusion spring is located between extrusion plate and the extrusion seat.
3. The hydrogen production device pressure-bearing pipeline welding assembly tool according to claim 1, characterized in that: the extension is including linking the board and connecting location subplate, bolt two on linking the board, the slot has been seted up on the location mainboard, the tip of linking the board inserts in the slot, bolt two wears to locate linking the board from one side of location mainboard.
4. The hydrogen production device pressure-bearing pipeline welding assembly tool according to claim 1, characterized in that: the upper end of the main rod is provided with a handle top.
5. The hydrogen production device pressure-bearing pipeline welding assembly tool according to claim 1, characterized in that: and a straight torsion bar is arranged at the upper end of the threaded sleeve.
6. The hydrogen production device pressure-bearing pipeline welding assembly tool according to claim 1, characterized in that: and the extrusion sleeve is connected with a butterfly-shaped torsion bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110116339.8A CN112894252A (en) | 2021-01-26 | 2021-01-26 | Hydrogen production device pressure-bearing pipeline welding group is to frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110116339.8A CN112894252A (en) | 2021-01-26 | 2021-01-26 | Hydrogen production device pressure-bearing pipeline welding group is to frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112894252A true CN112894252A (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110116339.8A Pending CN112894252A (en) | 2021-01-26 | 2021-01-26 | Hydrogen production device pressure-bearing pipeline welding group is to frock |
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| CN (1) | CN112894252A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414541A (en) * | 2021-08-24 | 2021-09-21 | 山东俊豪机械制造有限公司 | Pipeline welding tool |
| CN113458693A (en) * | 2021-07-26 | 2021-10-01 | 温州大学激光与光电智能制造研究院 | Butt joint device for assisting in welding castings |
| CN113649732A (en) * | 2021-08-12 | 2021-11-16 | 张国力 | Valve manufacturing is with girth welding equipment of valve and flange seat |
| CN113714726A (en) * | 2021-08-25 | 2021-11-30 | 中国一冶集团有限公司 | Auxiliary device for installing steel pipe welding gasket |
| CN114346575A (en) * | 2022-02-21 | 2022-04-15 | 江苏新方圆电气设备制造有限公司 | Auxiliary barrel welding tool |
| CN114770023A (en) * | 2022-05-23 | 2022-07-22 | 徐州夏尔智能焊接研究院有限公司 | Full-automatic intelligent welding machine |
| CN115815955A (en) * | 2023-02-20 | 2023-03-21 | 山东高元建筑工程有限公司 | Welding clamping device |
| CN117506321A (en) * | 2024-01-04 | 2024-02-06 | 西安奥若特材料技术有限公司 | Pipeline welding positioning device for aero-engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113458693A (en) * | 2021-07-26 | 2021-10-01 | 温州大学激光与光电智能制造研究院 | Butt joint device for assisting in welding castings |
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| CN113714726A (en) * | 2021-08-25 | 2021-11-30 | 中国一冶集团有限公司 | Auxiliary device for installing steel pipe welding gasket |
| CN113714726B (en) * | 2021-08-25 | 2022-12-16 | 中国一冶集团有限公司 | Steel pipe welding liner installation auxiliary device |
| CN114346575A (en) * | 2022-02-21 | 2022-04-15 | 江苏新方圆电气设备制造有限公司 | Auxiliary barrel welding tool |
| CN114770023A (en) * | 2022-05-23 | 2022-07-22 | 徐州夏尔智能焊接研究院有限公司 | Full-automatic intelligent welding machine |
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| CN115815955A (en) * | 2023-02-20 | 2023-03-21 | 山东高元建筑工程有限公司 | Welding clamping device |
| CN117506321A (en) * | 2024-01-04 | 2024-02-06 | 西安奥若特材料技术有限公司 | Pipeline welding positioning device for aero-engine |
| CN117506321B (en) * | 2024-01-04 | 2024-05-03 | 西安奥若特材料技术有限公司 | Pipeline welding positioning device for aero-engine |
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