CN212886023U - Steel pipe welding device for municipal engineering construction - Google Patents
Steel pipe welding device for municipal engineering construction Download PDFInfo
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- CN212886023U CN212886023U CN202021493926.6U CN202021493926U CN212886023U CN 212886023 U CN212886023 U CN 212886023U CN 202021493926 U CN202021493926 U CN 202021493926U CN 212886023 U CN212886023 U CN 212886023U
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Abstract
The application relates to a steel pipe welding device for municipal engineering construction, which comprises a support, wherein a workbench is arranged on the support, a welding gun is arranged above the workbench, and a clamping device for longitudinally clamping a pipeline and a centering device for centering the pipeline are arranged on the workbench; the centering device comprises a vertical positioning plate fixed on the workbench, a centering rod is rotatably connected to the positioning plate, a plurality of supporting assemblies are arranged in the length direction of the centering rod, and a centering driving mechanism for driving the supporting assemblies to be propped open is arranged on the centering rod. This application has the effect that improves welding quality.
Description
Technical Field
The application relates to the field of steel pipe welding devices, in particular to a steel pipe welding device for municipal engineering construction.
Background
At present, municipal works refer to municipal facility construction works, and in China, municipal facilities refer to various buildings, structures, equipment and the like which are arranged in planning and construction ranges of urban areas and towns (villages) and provide paid or unpaid public products and services for residents based on government responsibilities and obligations. Various public infrastructure construction supporting urban life belongs to municipal engineering categories, such as common urban roads, bridges and subways, and various pipelines closely related to life: rainwater, sewage, water supply, reclaimed water, electric power, telecommunication, heating power, gas and the like, and the construction of squares, gardens and the like all belong to the municipal engineering category.
The Chinese patent with the publication number of CN210649138U in the current market discloses a pipeline welding device for municipal engineering, which effectively purifies smoke dust and improves environmental protection; the welding device comprises a first connecting plate, a workbench, a hydraulic cylinder and a welding gun, wherein first supporting columns are arranged on the left front side, the left rear side, the right front side and the right rear side of the bottom end of the first connecting plate, the bottom ends of four groups of first supporting columns are connected with the top end of the workbench, the top end of the hydraulic cylinder is connected with the bottom end of the first connecting plate, the top end of the welding gun is connected with the bottom end of the hydraulic cylinder, and a welding nozzle is arranged at the output end of the bottom of the welding gun; still include first processing chamber, first gas-supply pipe and air pump, the bottom of first processing chamber is connected with the top of workstation, and the inside of first processing chamber is provided with the working chamber, and the right-hand member upside intercommunication of working chamber is provided with the inlet tube, and the top intercommunication of working chamber is provided with the outlet duct, and the input of first gas-supply pipe passes the left end of first processing chamber and stretches into to the working chamber of first processing chamber in.
In view of the above-mentioned related technologies, the inventor believes that there is a defect that a gap is generated between two pipeline joints due to inaccurate center positioning between two sections of steel pipes during welding, which results in reduced welding quality.
SUMMERY OF THE UTILITY MODEL
In order to reduce the joint line between the steel pipe, this application provides a steel pipe welding set for municipal works construction.
The application provides a pair of steel pipe welding set for municipal works construction adopts following technical scheme:
a steel pipe welding device for municipal engineering construction comprises a support, wherein a workbench is arranged on the support, a welding gun is arranged above the workbench, and a clamping device for axially clamping a pipeline and a centering device for centering the pipeline are arranged on the workbench;
the centering device comprises a vertical positioning plate fixed on the workbench, a centering rod is rotatably connected to the positioning plate, a plurality of supporting assemblies are arranged in the length direction of the centering rod, and a centering driving mechanism for driving the supporting assemblies to be propped open is arranged on the centering rod.
Through adopting above-mentioned technical scheme, all overlap two steel pipes on the centering rod, then make supporting component strut through centering actuating mechanism, then make supporting component act on the steel pipe inner wall to make the central axis of two steel pipes all on same straight line with the central axis of centering rod, and then make the central axis of two steel pipes on same straight line, then make two steel pipes paste tightly through closing device, and then reduced the gap that produces because of off-centre between two steel pipes, thereby guaranteed welding quality.
Preferably, the supporting component comprises a plurality of supporting rods which are arranged along the circumferential direction of the centering rod at equal intervals, the supporting rods are rotatably connected to the centering rod, and the rotating axes of the supporting rods are perpendicular to the central axis of the supporting rods.
By adopting the technical scheme, the rotating axis of the supporting rod is perpendicular to the central axis of the supporting rod, so that one end of the supporting rod, far away from the centering rod, moves towards the direction far away from the central axis of the centering rod and simultaneously moves forwards along the direction of the central axis of the centering rod, and a steel pipe sleeved on the supporting component cannot be twisted, so that the centering effect is ensured; meanwhile, the supporting rods are arranged at equal intervals along the circumferential direction of the centering rod, so that the circumferential stress uniformity of the steel pipes is guaranteed, and the centering effect among the steel pipes is further guaranteed.
Preferably, centering actuating mechanism is including rotating the transmission lead screw of connection in the centering rod, be provided with transmission lead screw rotation groove in the centering rod, sliding sleeve is equipped with a plurality of drive rings on the centering rod, every be provided with a plurality of stoppers on the drive ring inner wall, be provided with the spacing groove that supplies the stopper to pass on the centering rod, the spacing groove sets up along centering rod length direction, the stopper is kept away from drive ring one side and is provided with screw thread portion, screw thread portion and transmission lead screw meshing transmission, same supporting component's bracing piece all are connected with the drive ring rotation through the connecting rod, the transmission lead screw stretches out locating plate one end and is fixed with the rotation hand wheel.
Through adopting above-mentioned technical scheme, rotate the hand wheel and then drive the transmission lead screw and rotate the inslot rotation through rotating to make stopper and transmission lead screw meshing transmission, and then drive the drive ring and slide along the spacing groove, thereby make the drive ring drive the bracing piece on the same supporting component through the connecting rod and strut and contract simultaneously, thereby guaranteed the synchronism that the steel pipe inner chamber received the supporting component to support, and then guaranteed centering nature.
Preferably, the number of the supporting assemblies is at least four, the supporting assemblies are symmetrically arranged along the middle point of the length of the centering rod, and a synchronizing rod is rotatably connected between every two adjacent supporting assemblies positioned on the same side of the middle point of the centering rod.
Through adopting above-mentioned technical scheme, the setting up of synchronizing bar has guaranteed the synchronism of pivoted between two supporting components, reaches mechanical interlock through the synchronizing bar, and then has guaranteed the centering nature between steel pipe and the centering rod to guarantee the centering nature of two steel pipes, and then reduced the connecting gap between the steel pipe.
Preferably, the synchronous rod is rotatably connected to the top of the supporting rod and horizontally arranged along the length direction of the centering rod.
Through adopting above-mentioned technical scheme, the synchronizing bar rotates to be connected at the bracing piece top and sets up along centering rod length direction level to make synchronizing bar and steel pipe direct contact, whole lifting steel pipe's lifting surface area, thereby guaranteed the centering nature of steel pipe.
Preferably, the clamping device comprises a guide rail arranged on a workbench on one side, away from the positioning plate, of the welding gun, the guide rail is arranged along the length direction of the centering rod, a driving plate is connected to the guide rail in a sliding mode, a pressing plate is arranged on the driving plate, and a pressing driving mechanism for driving the moving plate to move along the guide rail is arranged on the support.
Through adopting above-mentioned technical scheme, drive the movable plate through compressing tightly actuating mechanism and remove to the locating plate to compress tightly two steel pipes that the cover was established on the centering rod, and then reduce the seam between two steel pipes and guarantee welding quality.
Preferably, the compression plate is rotatably connected to the drive plate, the compression plate is provided with a limiting block extending into the workbench, and the workbench on one side of the guide rail, which is far away from the positioning plate, is provided with an arc-shaped limiting groove for sliding of the limiting block.
By adopting the technical scheme, the pressing plate can rotate through the guide groove after returning, and the welded steel pipe is sleeved on the centering rod conveniently.
Preferably, the pressing plate is provided with a centering groove for the centering rod to pass through, a rotating bearing is fixed in the centering groove, and the centering rod is rotatably connected with the pressing plate through the rotating bearing.
Through adopting above-mentioned technical scheme for when the pressure strip compresses tightly the steel pipe the centering rod passes through to the centre channel and passes through rolling bearing and pressure strip rotation and be connected, and then has guaranteed the homogeneity of centering rod atress, reduces the bending stress of centering rod, thereby has guaranteed the practical life and the centering nature of centering rod, thereby has guaranteed welding quality.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the centering performance between the two steel pipes is ensured through the arrangement of the supporting assembly and the centering driving mechanism, and then the connecting gap between the two steel pipes is reduced through the pressing device, so that the welding quality is ensured;
2. the setting of synchronizing bar, centering groove has further guaranteed the centering effect of steel pipe to welding quality has been guaranteed.
Drawings
Fig. 1 is a schematic view of the overall structure of the present embodiment.
Fig. 2 is a schematic structural diagram of the centering device in the present embodiment.
Fig. 3 is an enlarged schematic view of a portion a of fig. 2.
Fig. 4 is a sectional view of the centering rod portion in the present embodiment.
Description of reference numerals: 1. a support; 2. a work table; 3. a centering device; 4. a clamping device; 5. a support beam; 6. welding a hydraulic telescopic cylinder; 7. a welding gun; 8. positioning a plate; 9. a centering rod; 10. a drive ring; 11. a support bar; 12. a transmission screw rod; 13. a rotating groove; 14. rotating a hand wheel; 15. a limiting groove; 16. a limiting block; 17. a connecting rod; 18. a synchronization lever; 19. a drive plate; 20. a guide rail; 21. a pressing drive mechanism; 22. a compression plate; 23. a guide block; 24. a guide groove; 25. centering the groove; 26. and rotating the bearing.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses steel pipe welding set for municipal works construction. Referring to fig. 1, the steel pipe welding device for municipal engineering comprises a support 1, a horizontal workbench 2 is fixed on the support 1, a centering device 3 and a clamping device 4 for centering steel pipes are arranged on the workbench 2, a supporting beam 5 is fixed above the workbench 2, a vertical downward welding hydraulic telescopic cylinder 6 is fixed on the supporting beam 5, and a welding gun 7 is fixed at the telescopic end of the welding hydraulic telescopic cylinder 6.
Referring to fig. 1 and 2, the centering device 3 includes a vertical positioning plate 8 fixed on the worktable 2, the positioning plate 8 is rotatably connected with a centering rod 9, the centering rod 9 is provided with a plurality of supporting assemblies along the length direction thereof, the supporting assemblies are at least four, the supporting assemblies are symmetrically arranged along the center point of the centering rod 9, and the welding point of the welding gun 7 falls on the vertical plane where the center point of the centering rod 9 is located. The supporting component comprises a plurality of supporting rods 11 which are rotatably connected to the outer side wall of the centering rod 9, the supporting rods 11 are uniformly distributed along the circumferential direction of the centering rod 9, the rotating axes of the supporting rods 11 are perpendicular to the central line axis of the centering rod 9, so that the supporting rods 11 are far away from one end of the fixing ring and are gradually far away from and close to the centering rod 9, and the effect of supporting the steel pipe is achieved. And a centering driving mechanism for driving the supporting rod 11 to expand simultaneously is arranged on the centering rod 9.
Referring to fig. 2 and 3, the centering driving mechanism comprises a transmission screw rod 12 rotatably connected in the centering rod 9, a rotating groove 13 for the transmission screw rod 12 to rotate is formed in the inner edge of the centering rod 9, and the rotating groove 13 is formed along the length of the centering rod 9. A rotating hand wheel 14 is fixed at one end of the transmission screw rod 12 extending out of the positioning plate 8, and the transmission screw rod 12 is driven to rotate by rotating the rotating hand wheel 14. A driving ring 10 is slidably sleeved on the centering rod 9 on one side of each supporting component close to the hand wheel. Referring to fig. 4, each driving ring 10 has a plurality of limiting blocks 16 on its inner wall, and the limiting blocks 16 are uniformly arranged along the circumference of the driving ring 10. A limiting groove 15 for a limiting block 16 to slide is formed in the side wall of the centering rod 9 along the length direction of the centering rod 9, and the limiting groove 15 is communicated with the rotating groove 13. The end, far away from the driving ring 10, of the limiting block 16 is provided with a threaded portion, the threaded portion is in meshed transmission with the transmission screw rod 12, the hand wheel 14 is rotated to drive the transmission screw rod 12 to rotate, the limiting block 16 and the transmission screw rod 12 are further in meshed rotation, and meanwhile the driving ring 10 slides along the length direction of the centering rod 9 under the limiting effect of the limiting groove 15. The support rods 11 on the same support assembly are rotatably connected with a connecting rod 17, the connecting rod 17 is rotatably connected with the driving ring 10, and the driving ring 10 slides back and forth to drive the support rods 11 in the support assembly to be simultaneously supported around the central axis of the centering rod 9. Therefore, the inner wall of the steel pipe sleeved on the centering rod 9 is supported by even supporting force along the circumferential direction of the inner wall, the central axis of the steel pipe is aligned with the central axis of the centering rod 9, two steel pipes sleeved on the centering rod 9 are centered, a connecting gap between the two steel pipes is reduced, and welding quality is guaranteed.
With reference to fig. 2 and 3, between the two support assemblies located on the same side of the mid-point of the centring rod 9 there are provided a number of synchronising rods 18. The support rods 11 between the two support assemblies are rotatably connected in a one-to-one correspondence manner through the same synchronizing rod 18. And the support rod 11 is horizontally arranged along the length direction of the centering rod 9. Therefore, the centering rods 9 are arranged between the same components in a linkage mode through the synchronizing rods 18, the uniformity of the supporting angles is guaranteed, centering between steel pipes is guaranteed, and welding quality is guaranteed. Meanwhile, the synchronizing rod 18 is rotatably connected to one end, far away from the centering rod 9, of the supporting rod 11, so that the synchronizing rod 18 is in direct contact with the steel pipe, the stress area of the steel pipe is increased, and the centering performance of the steel pipe is guaranteed.
Referring to fig. 1, the pressing mechanism includes a guide rail 20 disposed on a side of the centering rod 9 away from the positioning plate 8, and the guide rail 20 is disposed along a length direction of the centering rod 9. The guide rail 20 is connected with a driving plate 19 in a sliding manner, the workbench 2 is provided with a pressing driving mechanism 21 for driving the driving plate 19 to move along the guide rail 20, and the pressing driving mechanism 21 is a hydraulic telescopic cylinder fixed on the workbench 2 and drives the driving plate 19 to slide back and forth along the guide rail 20 through the hydraulic telescopic cylinder. Drive plate 19 is last to rotate and is connected with pressure strip 22, pressure strip 22 is provided with vertical decurrent guide block 23 on its self width one side, guide block 23 stretches into the top surface on the workstation 2, side workstation 2 that guided way 20 kept away from centering rod 9 one side is provided with the gliding guide way 24 of confession guide block 23, guide way 24 is along pressure strip 22 rollback to keeping away from locating plate 8 one end when being rich pressure strip 22 rotation center is the arc recess that the centre of a circle set up, thereby make pressure strip 22 only roll back to keeping away from locating plate 8 one end and just can rotate and guarantee to compress tightly in-process pressure strip 22 and can not rotate, simultaneously the back pressure strip 22 can rotate, so that taking out of steel pipe.
Referring to fig. 1, the centering groove 25 is formed in the pressing plate 22, the rotating bearing 26 is fixed in the centering groove 25, the central axis of the centering groove 25 is collinear with the central axis of the centering rod 9, so that the centering rod 9 penetrates through the centering groove 25 and is rotatably connected with the pressing plate 22 through the rotating bearing 26 when the pressing plate 22 presses the steel pipe, the stress uniformity of the centering rod 9 is guaranteed, the bending stress of the centering rod 9 is reduced, and the practical service life and the centering performance of the centering rod 9 are guaranteed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a steel pipe welding set for municipal works construction which characterized in that: the device comprises a support (1), wherein a workbench (2) is arranged on the support (1), a welding gun (7) is arranged above the workbench (2), and a clamping device (4) for axially clamping a pipeline and a centering device (3) for centering the pipeline are arranged on the workbench (2);
centering device (3) are including fixing vertical locating plate (8) on workstation (2), it is connected with centering rod (9) to rotate on locating plate (8), and centering rod (9) length direction of telling is provided with a plurality of supporting components, be provided with the centering actuating mechanism that drive supporting component strutted on centering rod (9).
2. The steel pipe welding device for municipal engineering construction according to claim 1, wherein: the supporting component comprises a plurality of supporting rods (11) which are arranged at equal intervals along the circumferential direction of the centering rod (9), the supporting rods (11) are rotatably connected to the centering rod (9), and the rotating axes of the supporting rods (11) are perpendicular to the central axis of the supporting rods (11).
3. The steel pipe welding device for municipal engineering construction according to claim 1, wherein: the centering driving mechanism comprises a transmission screw rod (12) which is rotatably connected in the centering rod (9), a transmission screw rod (12) rotating groove (13) is arranged in the centering rod (9), a plurality of driving rings (10) are slidably sleeved on the centering rod (9), a plurality of limiting blocks (16) are arranged on the inner wall of each driving ring (10), a limit groove (15) for a limit block (16) to pass through is arranged on the centering rod (9), the limiting groove (15) is arranged along the length direction of the centering rod (9), one side of the limiting block (16) far away from the driving ring (10) is provided with a threaded part, the thread part is engaged with the transmission screw rod (12) for transmission, the support rods (11) of the same support component are rotationally connected with the driving ring (10) through the connecting rods (17), and a rotating hand wheel (14) is fixed at one end of the transmission screw rod (12) extending out of the positioning plate (8).
4. The steel pipe welding device for municipal engineering construction according to claim 1, wherein: the support assemblies are at least four, the support assemblies are symmetrically arranged along the middle point of the length of the centering rod (9), and a synchronizing rod (18) is rotatably connected between every two adjacent support assemblies positioned on the same side of the middle point of the centering rod (9).
5. The steel pipe welding device for municipal engineering construction according to claim 4, wherein: the synchronous rod (18) is rotatably connected to the top of the supporting rod (11) and is horizontally arranged along the length direction of the centering rod (9).
6. The steel pipe welding device for municipal engineering construction according to claim 1, wherein: clamping device (4) are including setting up guided way (20) on locating plate (8) one side workstation (2) are kept away from in welder (7), guided way (20) set up along centering rod (9) length direction, sliding connection has drive plate (19) on guided way (20), drive plate (19) are provided with pressure strip (22), be provided with on support (1) drive movable plate along the compressing tightly actuating mechanism (21) that guided way (20) removed.
7. The steel pipe welding device for municipal engineering construction according to claim 6, wherein: the upper portion of the pressing plate (22) is rotatably connected to the driving plate (19), a limiting block (16) extending into the workbench (2) is arranged on the pressing plate (22), and an arc-shaped limiting groove (15) for enabling the limiting block (16) to slide is formed in the workbench (2) on one side, far away from the positioning plate (8), of the guide rail (20).
8. The steel pipe welding device for municipal engineering construction according to claim 7, wherein: the centering device is characterized in that a centering groove (25) for the centering rod (9) to penetrate is formed in the pressing plate (22), a rotating bearing (26) is fixed in the centering groove (25), and the centering rod (9) is rotatably connected with the pressing plate (22) through the rotating bearing (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021493926.6U CN212886023U (en) | 2020-07-24 | 2020-07-24 | Steel pipe welding device for municipal engineering construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021493926.6U CN212886023U (en) | 2020-07-24 | 2020-07-24 | Steel pipe welding device for municipal engineering construction |
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| Publication Number | Publication Date |
|---|---|
| CN212886023U true CN212886023U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021493926.6U Active CN212886023U (en) | 2020-07-24 | 2020-07-24 | Steel pipe welding device for municipal engineering construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114523238A (en) * | 2022-03-15 | 2022-05-24 | 上海雅跃智能科技有限公司 | Centering and positioning device for tubular pile inner wall welding equipment |
-
2020
- 2020-07-24 CN CN202021493926.6U patent/CN212886023U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114523238A (en) * | 2022-03-15 | 2022-05-24 | 上海雅跃智能科技有限公司 | Centering and positioning device for tubular pile inner wall welding equipment |
| CN114523238B (en) * | 2022-03-15 | 2024-05-07 | 上海雅跃智能科技有限公司 | Centering and positioning device for tubular pile inner wall welding equipment |
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