CN216706544U - Adjustable pipeline welding clamp - Google Patents
Adjustable pipeline welding clamp Download PDFInfo
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- CN216706544U CN216706544U CN202122886120.4U CN202122886120U CN216706544U CN 216706544 U CN216706544 U CN 216706544U CN 202122886120 U CN202122886120 U CN 202122886120U CN 216706544 U CN216706544 U CN 216706544U
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Abstract
The utility model discloses an adjustable pipeline welding fixture which comprises positioning cylinders, a pipeline limiting structure, a fastening mechanism, a connecting piece and a detachable welding stabilizing structure, wherein the positioning cylinders are respectively arranged at the end parts of two pipelines to be subjected to butt welding and used for positioning the two pipelines, the pipeline welding fixture further comprises the fastening mechanism, the connecting piece and the detachable welding stabilizing structure, the connecting piece is used for connecting the positioning cylinders at the two sides and the welding stabilizing structure, and the welding stabilizing structure is used for supporting and stabilizing the pipelines during welding. The utility model can align and stabilize when pipelines with different specifications and sizes are welded, wherein the welding stabilizing structure can be installed or disassembled according to actual requirements, and the stability during welding and the coaxiality of two sections of pipelines to be welded are ensured, so that the welding quality is improved, the tightness of the pipelines is ensured, and the utility model is particularly suitable for welding the pipelines of systems, such as ships and the like, which comprise various pipelines with different specifications and sizes and have high requirements on the welding quality.
Description
Technical Field
The utility model relates to a welding fixture, in particular to a welding fixture capable of being used for accurately aligning when pipelines of different specifications are welded.
Background
The metal pipeline has wide application in a plurality of fields such as machinery, construction, chemical industry and the like. Taking a ship pipeline as an example, the ship pipeline is used for connecting various mechanical equipment on a ship and transmitting working media such as water, oil, gas and the like. Marine pipelines fall into two broad categories: the system comprises a power pipeline and a ship system pipeline, wherein the power pipeline is various pipelines for serving a main engine and an auxiliary engine and comprises pipelines for fuel oil, lubricating oil, cooling water, compressed air, exhaust, waste heat and the like; the system pipeline is used for meeting the normal living needs of crews and passengers on one hand, and improving the sinking resistance and stability of the ship on the other hand, and comprises a water supply system for supplying seawater and fresh water for the whole ship, a ballast water system for adjusting the ballast of the ship, a bilge water discharge system for discharging bilge water and a compressed air system for providing compressed air for the whole ship; for fire-fighting systems and the like, the majority of the equipment used in these systems, such as pumps and compressors, is electrically operated and automatically controlled, these pipelines carry media of different temperatures, pressures and properties, and have various specifications, with high requirements on tightness.
Common pipeline connection mode includes flange joint and welded connection, and the leakproofness of pipeline through welded connection is except relevant with the welding mode, equally receives the influence of pipeline alignment degree, and if the pipeline aims at when the welding accurate inadequately, the location is firm inadequately, reduction welded quality that will be great to reduce the leakproofness of pipeline.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims to provide a clamp capable of aligning and stabilizing during welding of pipelines with different specifications.
The technical scheme is as follows: the adjustable pipeline welding fixture comprises positioning cylinders which are respectively arranged at the end parts of two pipelines to be butt-welded and used for positioning the two pipelines, and is characterized in that the positioning cylinders further comprise pipeline limiting structures, the pipeline welding fixture further comprises fastening mechanisms, connecting pieces and detachable welding stabilizing structures, the connecting pieces are used for connecting the positioning cylinders at the two sides and the welding stabilizing structures, and the welding stabilizing structures are used for supporting and stabilizing the pipelines during welding.
The welding stabilizing structure comprises two ladder-shaped rings which are coaxially arranged, the end surfaces of the opposite sides of the ladder-shaped rings are connected by connecting rods which are circumferentially arranged, and the other sides of the ladder-shaped rings are provided with internal threads; the connecting piece is a threaded ring provided with external threads; the positioning cylinder is provided with internal threads and is connected with the trapezoidal ring through a threaded ring.
The welding stabilizing structure comprises an arc-shaped seat and a ring groove fixedly connected with a trapezoid ring, a rotating ring is sleeved in the ring groove in a rotating sleeve mode, threaded holes are formed in the surface array of the rotating ring, a telescopic positioning seat is arranged on the arc-shaped seat, and limiting screw rods used for being connected with the threaded holes are arranged on two sides of the arc-shaped seat.
And the arc-shaped seat is embedded with a telescopic welding device for supporting a pipeline to be welded.
An inner flange is arranged on one side of the positioning cylinder, an outer flange matched with the inner flange is arranged on one side of the thread ring, and an external thread matched with the internal thread of the positioning cylinder is arranged on the outer flange.
The fastening mechanism comprises a threaded cylinder, a screw rod matched with the threaded cylinder, an arc-shaped clamping plate and a slide rod, the threaded cylinder penetrates through the wall surface of the positioning cylinder and is rotatably embedded with the positioning cylinder through a bearing, the arc-shaped clamping plate is fixedly connected with the screw rod, the slide rod is arranged on two sides of the screw rod and penetrates through a slide way formed in the wall surface of the positioning cylinder and is fixedly connected with the arc-shaped clamping plate arranged inside the positioning cylinder, and at least one pair of the fastening mechanism is symmetrically arranged along the circumferential direction of the positioning cylinder.
The outer surface of the trapezoid ring is provided with a clamping groove, and the positioning cylinder is provided with a clamping seat matched with the clamping groove.
Has the advantages that: compared with the prior art, the utility model has the following advantages: the pipeline welding device has the advantages that the pipeline welding device can be aligned and stabilized when pipelines with different specifications and sizes are welded, the welding stabilizing structure can be installed or disassembled according to actual requirements, the stability during welding and the coaxiality of two sections of pipelines to be welded are guaranteed, accordingly, the welding quality is improved, the leakproofness of the pipelines is guaranteed, and the pipeline welding device is particularly suitable for welding of pipelines which contain various pipelines with different specifications and sizes and have high requirements on the welding quality, such as ships.
Drawings
FIG. 1 is a cross-sectional view of one embodiment of the present invention.
FIG. 2 is a cross-sectional view of a positioning barrel configuration of one embodiment of the present invention.
Fig. 3 is a cross-sectional view of a ladder ring structure in accordance with one embodiment of the present invention.
The corresponding relation between each component and the number in the figure is as follows: 1. a ladder shaped ring; 2. a connecting rod; 3. a positioning cylinder; 4. a threaded ring; 5. an annular groove; 6. rotating the ring; 7. an arc-shaped seat; 8. a telescopic welding device; 9. a limit screw; 10. a card slot; 11. a card holder; 12. a threaded barrel; 13. a screw; 14. an arc-shaped clamping plate; 15. a slide bar.
Detailed Description
The technical scheme of the utility model is further explained by combining the attached drawings.
As shown in fig. 1-3, the adjustable welding fixture for ship pipelines in this embodiment includes a ladder-shaped ring 1, a connecting rod 2, a positioning cylinder 3, and a threaded ring 4, wherein the left and right sides are respectively provided with a ladder-shaped ring 1 and a positioning cylinder 3, two opposite end faces of the two ladder-shaped rings 1 are fixedly connected by the connecting rod 2 arranged along the circumference of the ladder-shaped ring 1, the positioning cylinder 3 is used for providing basic centering and supporting functions for two sections of pipelines during welding, the two ladder-shaped rings 1 are connected into a detachable welding stable structure, one end of the ladder-shaped ring 1 is provided with an internal thread, the positioning cylinder 3 is also provided with an internal thread, and the ladder-shaped ring 1 and the positioning cylinder 3 located on the same side are connected by the threaded ring 4; further, 4 cross-sections of screw ring are T shape, and screw ring 4 has the outward flange promptly, is equipped with the external screw thread on the outward flange, and 3 one sides of a location section of thick bamboo are equipped with the inward flange, and when screw ring 4 and 3 threaded connection of a location section of thick bamboo, the inside and outside flange can cooperate and play limit function, prevents that screw ring 4 from deviating from a location section of thick bamboo one side.
Furthermore, the inner wall of each trapezoidal ring 1 is fixedly connected with an annular groove 5, a rotating ring 6 is rotatably sleeved in the annular groove 5, and a plurality of threaded holes are formed in the surface array of the rotating ring 6; the welding stable structure still includes the pipeline bearing structure who comprises arc seat 7, flexible welding device 8 and stop screw 9, and flexible welding device 8 inlays the dress in arc seat 7, and the limit thread groove has all been seted up to the left and right sides of arc seat 7, and stop screw 9's one end is connected with the limit thread groove, and the other end is used for fixing pipeline bearing structure with the screw hole cooperation on the change 6.
The outer wall symmetry of every trapezoidal ring 1 is fixed with draw-in groove 10, and 3 outer wall symmetries fixedly connected with cassettes 11 of every location section of thick bamboo mutually support with draw-in groove 10 for realize further spacing to location section of thick bamboo 3 and trapezoidal ring 1, prevent to take place along axial displacement.
As shown in fig. 2, the positioning cylinder 3 is symmetrically provided with fastening mechanisms, which include a threaded cylinder 12, a screw 13, an arc-shaped clamping plate 14 and a sliding rod 15, wherein the threaded cylinder 12 and the positioning cylinder 3 are rotatably embedded and connected through a bearing, the screw 13 is threaded in each threaded cylinder 12, one end of the screw 13 is fixedly connected with the arc-shaped clamping plate 14 for fixing the pipeline to be welded, and the other end of the screw extends out of the outer wall of the positioning cylinder 3 along the threaded cylinder 12; the slide bar 15 sets up in the both sides of a screw thread section of thick bamboo 13, one end and arc cardboard 14 fixed connection, and the slide that the other end set up on by a location section of thick bamboo 3 stretches out a location section of thick bamboo 3 outer wall, and the slide bar can slide along the slide along with the displacement of arc cardboard 14, plays the effect that prevents arc cardboard 14 and rock.
The working principle of the utility model is as follows: the positioning cylinders 3 on two sides are sleeved on two pipelines to be welded, the screw rods 13 on two sides are rotated to move close to each other along the threaded cylinders 12 to drive the arc-shaped clamping plates 14 to be close to and fix the pipelines to be welded, then the trapezoidal rings 1 are arranged between the positioning cylinders 3 on two sides, and the threaded rings 4 sleeved with the trapezoidal rings 1 are rotated by rotating one ends of the positioning cylinders 3 on two sides close to each other, so that the positioning cylinders 3 on two sides can be connected with the middle trapezoidal ring 1 into a whole, the positioning cylinders 3 on two sides are coaxial with the middle trapezoidal ring 1, the pipelines on two sides can be coaxial, the welding precision is guaranteed, the sealing performance of the pipelines in the later use is further improved, and the welding quality is improved. Can be through placing arc seat 7 between the trapezoidal ring 1 of both sides when specific use, then rotate the stop screw 9 of the 7 both sides screw thread suit of arc seat respectively, make the stop screw 9 of both sides keep away from the removal of each other respectively and with the screw hole screw thread of each other that the surface of swivel 6 in the trapezoidal ring 1 of one side was seted up separately and insert, and then can be nimble install and use arc seat 7, can install a plurality of pipeline bearing structure on swivel 6, can install arc seat 7 and its internal fixation inlays the flexible welding set 8 of dress according to actual demand, and can change the arc seat and the flexible welding set of different specifications, thereby can improve welded stability through the support of flexible welding set 8 when pipe welding, increase welded quality.
Claims (7)
1. The utility model provides a pipeline welding jig with adjustable, is including setting up respectively at two pipeline tip that wait to carry out the butt welding and carry out a location section of thick bamboo (3) of fixing a position to it, its characterized in that, a location section of thick bamboo (3) still include pipeline limit structure, pipeline welding jig still includes fastening device, connecting piece and detachable welding stable structure, the connecting piece is used for connecting a location section of thick bamboo (3) and the welding stable structure of both sides, the welding stable structure is used for supporting when the welding and stabilizes the pipeline.
2. The adjustable pipe welding jig according to claim 1, wherein the welding stabilizing structure comprises two ladder-shaped rings (1) coaxially arranged, the end surfaces of the ladder-shaped rings (1) on the opposite sides are connected by a circumferentially arranged connecting rod (2), and the other sides are provided with internal threads; the connecting piece is a threaded ring (4) provided with external threads; the positioning cylinder (3) is provided with internal threads and is connected with the trapezoidal ring (1) through a threaded ring.
3. The adjustable pipe welding fixture according to claim 2, wherein the welding stabilizing structure comprises an arc-shaped seat (7) and an annular groove (5) fixedly connected with the trapezoidal ring (1), a rotating ring (6) is rotatably sleeved in the annular groove (5), threaded holes are formed in the surface array of the rotating ring (6), and limit screws (9) used for connecting the threaded holes are arranged on two sides of the arc-shaped seat (7).
4. An adjustable pipe welding fixture according to claim 3, characterised in that the arc-shaped seat (7) is fitted with a telescopic welding device (8) for supporting the pipe to be welded.
5. The adjustable pipe welding fixture according to claim 2, wherein an inner flange is arranged on one side of the positioning cylinder (3), an outer flange matched with the inner flange is arranged on one side of the threaded ring (4), and an external thread matched with an internal thread of the positioning cylinder (3) is arranged on the outer flange.
6. The adjustable pipeline welding fixture according to claim 1, wherein the fastening mechanism comprises a threaded cylinder (12), a screw (13) matched with the threaded cylinder (12), an arc-shaped clamping plate (14) and a sliding rod (15), the threaded cylinder (12) penetrates through the wall surface of the positioning cylinder (3) and is rotatably embedded in the positioning cylinder (3) through a bearing, the arc-shaped clamping plate (14) is fixedly connected with the screw (13), the sliding rod (15) is arranged on two sides of the screw (13) and penetrates through a sliding way formed in the wall surface of the positioning cylinder (3) and is fixedly connected with the arc-shaped clamping plate (14) arranged inside the positioning cylinder (3), and at least one pair of fastening mechanisms is symmetrically arranged along the circumferential direction of the positioning cylinder (3).
7. The adjustable pipe welding fixture according to claim 2, wherein a clamping groove (10) is formed in the outer surface of the trapezoidal ring (1), and a clamping seat (11) matched with the clamping groove (10) is formed in the positioning cylinder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122886120.4U CN216706544U (en) | 2021-11-19 | 2021-11-19 | Adjustable pipeline welding clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122886120.4U CN216706544U (en) | 2021-11-19 | 2021-11-19 | Adjustable pipeline welding clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216706544U true CN216706544U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122886120.4U Active CN216706544U (en) | 2021-11-19 | 2021-11-19 | Adjustable pipeline welding clamp |
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| CN (1) | CN216706544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2021
- 2021-11-19 CN CN202122886120.4U patent/CN216706544U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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