CN115673662A - Shrimp waist elbow pipe fitting welding set and welding system - Google Patents
Shrimp waist elbow pipe fitting welding set and welding system Download PDFInfo
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- CN115673662A CN115673662A CN202211296742.4A CN202211296742A CN115673662A CN 115673662 A CN115673662 A CN 115673662A CN 202211296742 A CN202211296742 A CN 202211296742A CN 115673662 A CN115673662 A CN 115673662A
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- 238000003466 welding Methods 0.000 title claims abstract description 117
- 241000143060 Americamysis bahia Species 0.000 title description 2
- 241000238557 Decapoda Species 0.000 claims abstract description 88
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 210000001503 joint Anatomy 0.000 claims abstract description 21
- 230000008878 coupling Effects 0.000 claims abstract description 16
- 238000010168 coupling process Methods 0.000 claims abstract description 16
- 238000005859 coupling reaction Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 230000001360 synchronised effect Effects 0.000 claims abstract 2
- 230000005484 gravity Effects 0.000 claims description 24
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention discloses a shrimp waist elbow pipe fitting welding device and a welding system, relates to the technical field of welding, solves the problem that the quality of a welding seam of the existing shrimp waist elbow pipe fitting is uncontrollable, ensures the welding stability, improves the welding quality, and has the following specific scheme: including base, horizontal rotation setting main shaft at the base top, setting be used for driving main shaft pivoted transmission system and welding carriage on the base, the middle part position department of main shaft sets up two rows of coupling mechanism relatively in order to be used for the butt joint of two shrimp waist accessories, and every row of coupling mechanism comprises the coupling assembling that a plurality of edge main shaft hoop interval set up, coupling assembling comprises first connecting block, connecting plate, focus regulating unit, the second connecting block that connects gradually, and first connecting block is fixed to be set up on the main shaft, and the second connecting block is fixed to be set up on the inner wall of shrimp waist accessory, and the both ends of focus regulating unit are synchronous flexible so that the axis of main shaft pass the focus of shrimp waist accessory.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a shrimp waist elbow pipe fitting welding device and a shrimp waist elbow pipe fitting welding system.
Background
The shrimp waist elbow is an elbow form common in the petrochemical industry, and is usually formed by splicing a plurality of circular tube sections.
The inventor discovers that the welding set of current shrimp waist elbow pipe fitting only fixes the pipe fitting in the pivot, drives pipe fitting spin welding through the pivot, can't guarantee the coincidence of pivot axis and shrimp waist elbow pipe fitting focus, and the pipe fitting rotates unstably, the phenomenon of vibration easily appears in rotatory in-process to lead to treating the unable alignment of welded pipe fitting, and the welding seam quality is uncontrollable, and welding seam outward appearance uniformity is poor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a shrimp waist elbow pipe fitting welding device and a shrimp waist elbow pipe fitting welding system.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, the invention provides a shrimp waist elbow pipe fitting welding device which comprises a base, a main shaft horizontally and rotatably arranged at the top of the base, a transmission system and a welding trolley, wherein the transmission system and the welding trolley are arranged on the base and used for driving the main shaft to rotate, two rows of connecting mechanisms are oppositely arranged at the middle position of the main shaft and used for butt joint of two shrimp waist fittings, each row of connecting mechanisms consists of a plurality of connecting assemblies which are circumferentially arranged along the main shaft at intervals, each connecting assembly consists of a first connecting block, a connecting plate, a gravity center adjusting unit and a second connecting block which are sequentially connected, the first connecting block is fixedly arranged on the main shaft, the second connecting block is fixedly arranged on the inner wall of the shrimp waist fittings, and two ends of the gravity center adjusting unit synchronously stretch out and draw back so that the axis of the main shaft penetrates through the gravity center of the shrimp waist fittings.
As a further implementation mode, two ends of the main shaft are respectively connected with bearing supports fixed on the top of the base, and the two bearing supports are the same in height.
As a further implementation mode, the planes of the second connecting blocks on the same shrimp waist accessory are parallel to the plane of the welding line.
As a further implementation mode, the gravity center adjusting unit consists of a rotary drum and connectors which are rotatably arranged at two ends of the rotary drum, the connectors are in threaded connection with the interior of the rotary drum, and the thread spiral directions of the two connectors are opposite.
As a further implementation manner, each of the connecting assemblies includes two first connecting blocks, the two first connecting blocks are relatively and fixedly disposed on the main shaft, and the connecting plate is disposed between the two first connecting blocks.
As a further implementation mode, the shrimp waist welding device further comprises two welding tracks, the two welding tracks are relatively and fixedly arranged on two sides of the butt joint of the shrimp waist accessories, the welding trolley is placed on the welding tracks, and the welding trolley is located right above the butt joint of the shrimp waist accessories.
As a further implementation mode, the moving direction of the welding trolley is opposite to the rotating direction of the main shaft, and the moving speed of the welding trolley is the same as the linear speed of the excircle rotation of the main shaft.
As a further implementation, the distance between the two rows of connection mechanisms is not less than the width of the welding carriage.
As a further implementation mode, the two rows of connecting mechanisms are symmetrically arranged on two sides of the central line of the main shaft.
In a second aspect, the invention provides a shrimp waist elbow pipe welding system which comprises two shrimp waist fittings with the same shape, wherein the two shrimp waist fittings are fixedly connected with a main shaft through a row of connecting mechanisms respectively to form the shrimp waist pipe fitting in a butt joint mode, and the butt joint positions of the two shrimp waist fittings are perpendicular to the axis of the main shaft.
The beneficial effects of the invention are as follows:
(1) According to the invention, the connecting mechanism is arranged on the main shaft, and the connecting mechanism comprises the gravity center adjusting unit capable of adjusting the gravity center position, so that the axis of the main shaft penetrates through the gravity center of the dried small shrimp waist accessory, the vibration phenomenon in the rotating process is avoided, and the stability of welding is ensured.
(2) The planes of the second connecting blocks on the same shrimp waist accessory are parallel to the plane of the welding seam, so that the welding seam is perpendicular to the axis of the main shaft, stable rotation is realized, the position deflection of the welding trolley is avoided, and stable welding is realized to improve the quality of the welding seam.
(3) The gravity center adjusting unit can adjust the gravity center position of the corresponding shrimp waist accessory, so that the gravity center of the shrimp waist accessory coincides with the axis of the main shaft, and meanwhile, the first connecting block, the connecting plate and the second connecting block can be tensioned to avoid the rotation phenomenon at the bolt connecting part.
(4) The moving direction of the welding trolley is opposite to the rotating direction of the main shaft, and the moving speed of the welding trolley is the same as the linear speed of the excircle rotation of the main shaft, so that the welding trolley can be fixed at one position for welding the Miyao pipe fittings, the operation is convenient, the continuous stability of a welding line is effectively ensured, and the welding quality is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic overall structure diagram of a welding device for a mitre waist elbow pipe fitting according to one or more embodiments of the present invention (the mitre waist elbow pipe fitting has a cross-sectional structure, and the same applies to the following figures);
fig. 2 is a schematic side view of a welding device for mitre waist elbow pipe fittings according to one or more embodiments of the invention;
fig. 3 is a schematic view of the position relationship of the shrimp waist accessory and the second connecting block according to one or more embodiments of the invention;
FIG. 4 is a schematic diagram of a second connection block according to one or more embodiments of the invention;
FIG. 5 is a schematic view of the two shrimp waist fittings aligned with one another and with a second connecting block according to one or more embodiments of the present disclosure;
FIG. 6 is a schematic diagram of the structural relationship between the aligned shrimp waist tube and the main shaft, connecting plate, center of gravity adjustment unit according to one or more embodiments of the present invention;
FIG. 7 is a schematic diagram illustrating the structural relationship between the main shaft, the base, the drive train, and the bearing supports from the front in accordance with one or more embodiments of the present invention;
FIG. 8 is a schematic view showing the structural relationship between the main shaft, the first connecting block, the base and the bearing support from the axial direction of the main shaft in accordance with one or more embodiments of the present invention;
FIG. 9 is a schematic view of a welding carriage, welding gun, and the fit-up relationship between the welding rail and the pipe while welding the inner weld joint, shown from the forward direction in one or more embodiments of the invention;
FIG. 10 is a schematic view of the welding carriage, welding gun, and the fit-up relationship between the welding track and the pipe while the inner weld is being welded, shown axially from the spindle in one or more embodiments of the invention;
FIG. 11 is a schematic diagram of a center of gravity adjustment unit according to one or more embodiments of the present invention;
in the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;
wherein, 1, a base; 2. a first shrimp waist accessory; 3. a first bearing support; 4. a first fixing bolt; 5. a first connection block; 6. a first connecting bolt; 7. a connecting plate; 8. a center-of-gravity adjusting unit; 9. a second connecting bolt; 10. a second connecting block; 11. a third connecting bolt; 12. welding a trolley; 13. a roller; 14. a welding gun; 15. a main shaft; 16. a first flange; 17. a second flange; 18. a fourth connecting bolt; 19. a second bearing support; 20. a first coupling; 21. a second coupling; 22. a fifth connecting bolt; 23. a transmission system; 24. a second fixing bolt; 25. a second shrimp waist accessory; 26. welding seams; 27. welding the track; 28. a rotating drum; 29. a connecting head.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
As introduced in the background art, the conventional welding device for the shrimp waist elbow pipe fitting only fixes the pipe fitting on the rotating shaft, drives the pipe fitting to rotate and weld through the rotating shaft, cannot ensure the coincidence of the axis of the rotating shaft and the gravity center of the shrimp waist elbow pipe fitting, is unstable in rotation of the pipe fitting, and is easy to vibrate in the rotating process, so that the pipe fitting to be welded cannot be aligned, the quality of a welding seam cannot be controlled, and the appearance consistency of the welding seam is poor.
Example 1
In an exemplary embodiment of the present invention, as shown in fig. 1 to 11, a shrimp waist elbow pipe welding device is provided, which includes a base 1, a main shaft 15 rotatably disposed on the top of the base 1, a transmission system 13 for driving the main shaft 15 to rotate, and a connecting mechanism disposed on the main shaft 15 for connecting a shrimp waist fitting.
Wherein, base 1 is frame rack structure, and a first bearing support 3 and a second bearing support 19 are installed respectively to the both sides at its top, and first bearing support 3 and second bearing support 19 all support through first fixing bolt 4 and base 1 fixed connection, and first bearing support 3 supports the relative setting of 19 and highly the same with the second bearing.
The main shaft 15 is horizontally arranged on the top of the base 1, and two ends of the main shaft 15 are respectively connected with the adjacent first bearing support 3 and the second bearing support 19, so that the main shaft 15 can rotate around the axis of the main shaft on the top of the base 1.
Specifically, two ends of the main shaft 15 are respectively and fixedly provided with a first flange 16, the first bearing support 3 and the second bearing support 19 are respectively composed of a bearing and a rotating shaft arranged on the bearing, the rotating shaft is fixedly provided with a second flange 17, the first flanges 16 at the two ends of the main shaft 15 are connected with the adjacent second flanges 17 through fourth connecting bolts 18, and therefore the main shaft 15 is connected with the first bearing support 3 and the second bearing support 19.
The top of the base 1 is further provided with a transmission system 23, the transmission system 23 is adjacent to the second bearing support 19, the transmission system 23 is fixedly connected with the base 1 through a second fixing bolt 24, and the transmission system 23 is of an existing structure, such as a driving motor.
Wherein, a first coupling 20 is fixedly arranged on a rotating shaft of the second bearing support 19, a second coupling 21 is arranged on the transmission system 23, and the first coupling 20 is connected with the second coupling 21 through a fifth connecting bolt 22, so that the transmission system 23 is connected with the main shaft 15.
It should be noted that the main shaft 15 is disposed coaxially with the rotating shafts on the first bearing support 3 and the second bearing support 19 to ensure the stability of the rotation of the main shaft 15.
Two rows of connecting mechanisms are oppositely arranged at the middle position of the main shaft 15, the two rows of connecting mechanisms are symmetrically arranged by taking the central line of the main shaft 15 as a reference, each row of connecting mechanisms consists of a plurality of connecting components which are arranged along the circumferential direction of the main shaft 15 at intervals, and the connecting components in the two rows of connecting mechanisms are the same in number and are in one-to-one correspondence so as to be used for butt joint of two mitre waist accessories.
Wherein, coupling assembling is by first connecting block 5, connecting plate 7, focus regulating unit 8 and second connecting block 10 are constituteed, it is specific, every coupling assembling contains two first connecting blocks 5, two first connecting block 5 relatively fixed sets up on main shaft 15, second connecting block 10 is fixed to be set up on shrimp waist accessory, first connecting block 5 loops through connecting plate 7, focus regulating unit 8 is connected with second connecting block 10, in order to realize shrimp waist accessory and main shaft 15's fixed connection, connecting plate 7 sets up between two first connecting blocks 5, in order to restrict connecting plate 7's rotation through the effect of centre gripping, improve support intensity and stability.
The arrangement position of the first connecting blocks 5 can also be understood as that a plurality of first connecting blocks 5 are arranged at the middle position of the main shaft 15, and every two oppositely arranged first connecting blocks 5 are in one group and are uniformly distributed on the outer circular surface of the main shaft 15 in a two-row and multi-group manner.
Second connecting block 10 and first connecting block 5 one-to-one, second connecting block 10 is fixed to be set up on the inner wall of shrimp waist accessory, wherein, in this embodiment the shrimp waist accessory for being used for the butt joint to constitute the pipe structure of shrimp waist pipe fitting, second connecting block 10 sets up along the hoop interval on the inner wall of shrimp waist accessory.
It can be understood that the first connecting block 5 and the second connecting block 10 are both temporarily fixed by spot welding, and after the use is completed, the first connecting block 5 and the second connecting block 10 can be taken down from the outer surface of the main shaft 15 and the inner wall of the shrimp waist accessory respectively.
As shown in fig. 3, the planes of the second connecting blocks 10 on the same shrimp waist fitting are parallel to the plane of the welding seam 26, and correspondingly, the planes of the first connecting blocks 5 on the main shaft 15 corresponding to the main shaft are also parallel to the welding seam 26, so that the welding seam 26 is perpendicular to the axis of the main shaft 15, thereby realizing stable rotation, avoiding the position deflection of the welding trolley 12, and further realizing stable welding to improve the quality of the welding seam 26; as shown in fig. 5, the planes of the second connecting blocks 10 on the two butt-jointed mitre waist fittings are parallel to each other.
As shown in fig. 4, the second connecting block 10 is provided with a connecting hole; as shown in fig. 8, the first connecting block 5 has the same structure as the second connecting block 10, the first connecting block 5 is fixedly connected to the connecting plate 7 through the first connecting bolt 6, one end of the gravity center adjusting unit 8 is fixedly connected to the connecting plate 7 through the third connecting bolt 11, and the other end of the gravity center adjusting unit is fixedly connected to the second connecting block 10 through the second connecting bolt 9.
As shown in fig. 11, the center of gravity adjusting unit 8 is composed of a rotary drum 28 and two connectors 29, the connectors 29 are provided with two threads, the threads are respectively arranged at two ends of the rotary drum 28, internal threads matched with the connectors 29 are arranged in the rotary drum 28, external threads matched with the rotary drum 28 are arranged on the two connectors 29, the screw thread spiral directions on the two connectors 29 are opposite, when the rotary drum 28 is rotated, the two connectors 29 can be driven to move in directions which are close to or away from each other, and then the center of gravity position of the corresponding shrimp waist accessory can be adjusted, so that the center of gravity of the shrimp waist accessory coincides with the axis of the main shaft 15, and meanwhile, the center of gravity adjusting unit 8 can also tension the first connecting block 5, the connecting plate 7 and the second connecting block 10, so as to avoid the rotation phenomenon at the bolt connection position.
The welding trolley is further provided with a welding trolley 12 and a welding track 27, the bottom of the welding trolley 12 is provided with a roller 13 matched with the welding track 27, the front side of the welding trolley 12 is fixedly provided with a welding gun 14, and the welding trolley 12 can move along the circumferential direction of the butt joint of the two shrimp waist accessories along the welding track 27 so as to weld the butt joint of the two shrimp waist accessories.
Specifically, a first shrimp waist accessory 2 is in butt joint with a second shrimp waist accessory 25, two welding rails 27 are arranged, the two welding rails 27 are relatively fixedly arranged on two sides of the butt joint of the first shrimp waist accessory 2 and the second shrimp waist accessory 25 in a spot welding mode so as to weld the butt joint to form a welding seam 26 by using the welding trolley 12, and the welding trolley 12 is located right above the butt joint of the shrimp waist accessories.
It will be appreciated that the welding carriage 12 may be at the highest point on the outer surface of the shrimp waist tubing or at the lowest point on the inner surface of the shrimp waist tubing for welding the outer or inner surface of the shrimp waist tubing.
It should be noted that the moving direction of the welding tractor 12 is opposite to the rotating direction of the main shaft 15, and the moving speed of the welding tractor 12 is the same as the linear speed of the excircle rotation of the main shaft 15, so that the welding tractor 12 can be fixed at a position for welding the milpa pipe fitting, the operation is convenient, the continuous stability of the welding seam 26 is effectively ensured, and the welding quality is improved.
The distance between the two rows of connecting mechanisms is not less than the width of the welding trolley 12, so that the welding trolley is not affected by the connecting mechanisms when welding the inner wall of the butt joint of the shrimp waist fittings.
Example 2
In a typical embodiment of the present invention, a welding system for a shrimp waist elbow pipe fitting is provided, which includes two shrimp waist fittings with the same shape, wherein the two shrimp waist fittings are butted to form the shrimp waist pipe fitting, and the two shrimp waist fittings are respectively and fixedly connected with a main shaft 15 through a row of connecting mechanisms, so that a butt joint portion is perpendicular to an axis of the main shaft 15.
Specifically, a plurality of second connecting blocks 10 are fixedly arranged on the inner surface of each dried small shrimp waist fitting along the circumferential direction of the inner surface, the second connecting blocks 10 are fixedly connected with the first connecting blocks 5 fixedly arranged on the main shaft 15 sequentially through the gravity center adjusting unit 8 and the connecting plates 7, and the gravity center of the dried small shrimp waist pipe fitting formed by tensioning and adjusting the gravity center of the dried small shrimp waist pipe fitting through the gravity center adjusting unit 8 is enabled to coincide with the axis of the main shaft 15.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a shrimp waist elbow pipe fitting welding set, its characterized in that, rotate the main shaft that sets up at the base top including base, level, set up and be used for driving main shaft pivoted transmission system and welding dolly on the base, the middle part position department of main shaft sets up two rows of coupling mechanism relatively in order to be used for the butt joint of two shrimp waist accessories, and every row of coupling mechanism comprises a plurality of coupling assembling along main shaft hoop interval setting, coupling assembling comprises first connecting block, connecting plate, focus regulating unit, the second connecting block that connects gradually, and first connecting block is fixed to be set up on the main shaft, and the second connecting block is fixed to be set up on the inner wall of shrimp waist accessory, and the both ends of focus regulating unit are synchronous flexible so that the axis of main shaft passes the focus of shrimp waist accessory.
2. A shrimp waist elbow pipe welding device as claimed in claim 1, wherein the two ends of the main shaft are respectively connected with bearing supports fixed on the top of the base, and the two bearing supports have the same height.
3. The shrimp waist elbow pipe welding device of claim 1, wherein the planes of the second connecting blocks on the same shrimp waist fitting are parallel to the plane of the weld joint.
4. A shrimp waist elbow pipe welding device as claimed in claim 1, wherein the gravity center adjusting unit comprises a rotary drum and connectors rotatably arranged at two ends of the rotary drum, the connectors are in threaded connection with the inside of the rotary drum, and the thread spiral directions of the two connectors are opposite.
5. A shrimp waist elbow pipe welding device as claimed in claim 1, wherein each of the connecting members comprises two first connecting blocks, the two first connecting blocks are relatively fixedly arranged on the main shaft, and the connecting plate is arranged between the two first connecting blocks.
6. The shrimp waist elbow pipe fitting welding device as claimed in claim 1, further comprising two welding rails, wherein the two welding rails are relatively and fixedly arranged on two sides of the butt joint of the shrimp waist fittings, the welding trolley is placed on the welding rails, and the welding trolley is located right above the butt joint of the shrimp waist fittings.
7. The shrimp waist elbow pipe fitting welding device as claimed in claim 1, wherein the moving direction of the welding tractor is opposite to the rotating direction of the main shaft, and the moving speed of the welding tractor is the same as the linear speed of the excircle rotation of the main shaft.
8. A shrimp waist elbow pipe welding device as claimed in claim 1 wherein the spacing between the two rows of connection mechanisms is not less than the width of the welding carriage.
9. The shrimp waist elbow pipe welding device as claimed in claim 1, wherein the two rows of connecting mechanisms are symmetrically arranged on two sides of the central line of the main shaft.
10. The shrimp waist elbow pipe fitting welding system utilizes the shrimp waist elbow pipe fitting welding device as claimed in any one of claims 1-9, and is characterized by comprising two shrimp waist fittings with the same shape, wherein the two shrimp waist fittings are fixedly connected with a main shaft through a row of connecting mechanisms respectively to form the shrimp waist pipe fitting in a butt joint mode, and the butt joint position of the two shrimp waist fittings is perpendicular to the axis of the main shaft.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211296742.4A CN115673662A (en) | 2022-10-21 | 2022-10-21 | Shrimp waist elbow pipe fitting welding set and welding system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211296742.4A CN115673662A (en) | 2022-10-21 | 2022-10-21 | Shrimp waist elbow pipe fitting welding set and welding system |
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| CN115673662A true CN115673662A (en) | 2023-02-03 |
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| CN202211296742.4A Pending CN115673662A (en) | 2022-10-21 | 2022-10-21 | Shrimp waist elbow pipe fitting welding set and welding system |
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