CN114799651A - High-pressure-bearing pipeline welding device - Google Patents
High-pressure-bearing pipeline welding device Download PDFInfo
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- CN114799651A CN114799651A CN202210707918.4A CN202210707918A CN114799651A CN 114799651 A CN114799651 A CN 114799651A CN 202210707918 A CN202210707918 A CN 202210707918A CN 114799651 A CN114799651 A CN 114799651A
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- 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
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- 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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0276—Carriages for supporting the welding or cutting element for working on or in tubes
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- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
Abstract
The invention relates to a high-pressure-bearing pipeline welding device, which is used for welding a cylindrical shell to be welded on the surface of a high-pressure-bearing pipeline and comprises a magnetic suction supporting device, wherein the magnetic suction supporting device is respectively fixed on the surfaces of the high-pressure-bearing pipeline on two sides of the cylindrical shell to be welded in an adsorption manner and is used for supporting the welding device; the welding device is arranged at the upper part of the magnetic suction supporting device, the output end of the welding device is connected with a welding gun rod for welding a seam between a high-pressure-bearing pipeline and a cylindrical shell to be welded, a welding swinging block is arranged in the middle of the welding gun rod, and two sides of the welding swinging block are respectively provided with a swinging horizontal supporting rod in a horizontally extending mode; the auxiliary swinging device is arranged on the magnetic suction supporting device and connected with two ends of the swinging horizontal supporting rod and used for being matched with the rotating welding device to form a welding track. The device of this application, welding efficiency is high, and welding quality is reliable and stable, and device easy operation reduces the cost of labor.
Description
Technical Field
The application relates to a pipeline welding device, in particular to a high-pressure-bearing pipeline welding device.
Background
In the existing coal mine construction process, shaft construction is firstly carried out, and freezing method construction is often adopted for thick loose layers or sandstone layer sections with weak cementation degree. Before the shaft is driven, a plurality of freezing drill holes are constructed on the periphery of the shaft, freezing pipes are installed, core pipes are placed downwards, rock-soil layers are frozen, and the shaft is driven. And after the tunneling is finished, stopping freezing, and pulling out the core pipe in the freezing pipe, wherein the freezing pipe cannot be pulled out due to the deformation of the rock-soil layer and the larger mass of the freezing pipe. The device can be used in the prior art, the opening and pressure relief operation can be performed on the pipeline, the condition of high-pressure injection of liquid in the pipeline can be controlled, the safety is high, and the potential safety hazard can be conveniently eliminated.
The prior patent publication No. CN214997643U is named as an open pore pressure relief device for an underground freezing pipeline, wherein a device shell comprises a first connecting end and a second connecting end which are oppositely arranged, the shape of the first connecting end is matched with that of the surface of an iron pipeline, and the first connecting end is fixedly connected to the surface of the iron pipeline in a welding mode, so that the device shell can be well fixed, good sealing performance is ensured, water leakage is not easy to occur, and the cost is low.
Device casing and the high pressure-bearing pipeline of iron pass through welding sealing connection in the above-mentioned patent, because trompil pressure release position needs a plurality ofly, and the welding track is the circumferential direction orbit of non-ring shape, just so requires highly to welding workman's welding level, just can guarantee better welding seal effect, can increase high technical staff's cost of labor like this, consequently need to improve to this problem urgent.
Disclosure of Invention
The technical problem who provides among the background art is solved to this application, provides a high pressure-bearing pipeline welding set, and welding efficiency is high, and welding quality is reliable and stable, and device easy operation reduces the cost of labor.
In order to solve the technical problem, the technical scheme provided by the application is as follows: a high pressure-bearing pipeline welding device for welding a cylindrical shell to be welded on the surface of a high pressure-bearing pipeline comprises:
the magnetic suction supporting devices are respectively fixed on the surfaces of the high pressure-bearing pipelines on the two sides of the cylindrical shell to be welded in an adsorption manner and are used for supporting the welding device;
the welding device is arranged at the upper part of the magnetic suction supporting device, the output end of the welding device is connected with a welding gun rod for welding a seam between a high-pressure-bearing pipeline and a cylindrical shell to be welded, a welding swinging block is arranged in the middle of the welding gun rod, and two sides of the welding swinging block are respectively provided with a swinging horizontal supporting rod in a horizontally extending mode;
the auxiliary swinging device is arranged on the magnetic suction supporting device and connected with two ends of the swinging horizontal supporting rod and used for being matched with the rotating welding device to form a welding track.
Further, magnetism is inhaled strutting arrangement and is including adsorbing the arc electromagnetism adsorption plate on high pressure-bearing pipeline surface, and arc electromagnetism adsorption plate upper portion is provided with vertical support riser respectively, and the top of supporting the riser is provided with oblique side support board, supports the riser and passes through oblique side support board connection rotation welding set, is provided with the handle of carrying in the oblique side support board.
Further, supplementary pendulous device is including rotating the swinging arms that sets up at two support risers opposite sides, and the upper end of swinging arms is provided with the swing sliding sleeve, and the both ends of swing horizontal strut are pegged graft in the swing sliding sleeve, are provided with the arc spacing groove on the support riser, and the arc spacing groove is corresponding with the swing route of swing sliding sleeve, and swing horizontal strut runs through swing sliding sleeve and arc spacing groove in proper order, and the tip of swing horizontal strut is provided with the end shield.
Further, it includes the top hanger plate to rotate welding set, go up the top of top hanger plate both ends fixed connection skew side backup pad, the middle part of going up the top hanger plate is provided with the motor backing plate, be provided with the welding rotation motor on the motor backing plate, the below of motor backing plate is rotated and is provided with the rotation pillar, the output axle head of rotation pillar upper end connection welding rotation motor, the lower part one side of rotation pillar is passed through telescopic link mechanism and is connected the welding and rotate the smooth section of thick bamboo, the top of welding pendulum piece is provided with the welding and goes up the bull stick, the welding is gone up the bull stick and is pegged graft in the welding rotates smooth section of thick bamboo, the welding between welding rotation smooth section of thick bamboo and the welding pendulum piece is gone up the bull stick and has been cup jointed the top and is stretched the spring.
Further, telescopic link mechanism is including the telescope tube and the flexible inserted bar of pegging graft each other, and flexible inserted bar one end is fixed and is rotated one side on the slide cartridge in the welding, and the other end is pegged graft in the telescope tube, and the telescope tube other end is fixed and is rotated one side on the pillar, and the spiro union has the locking knob on the telescope tube, and the one end that the telescopic inserted bar was pegged graft in the telescope tube is provided with puts the spring chamber, puts the spring intracavity and connects compression spring, and the telescope tube inner wall is connected to the compression spring other end.
Furthermore, the welding upper rotating rod is provided with a vertical positioning sliding groove on the side wall of the welding upper rotating rod, and a positioning bulge matched with the positioning sliding groove is arranged on the inner wall of a hole groove of the welding rotating sliding cylinder, which is sleeved with the welding upper rotating rod.
Furthermore, a bottom positioning block is arranged on the lower end face of the rotating support column, the lower portion of the rotating support column is connected with an adjusting support rod, a through hole matched with the bottom positioning block is formed in one end of the adjusting support rod, a support arc plate is arranged at the other end of the adjusting support rod and is abutted against one side of the lower portion of the welding rotating sliding cylinder, and a locking bolt for clamping the adjusting support rod is screwed on the bottom positioning block.
Furthermore, the lower end of the welding gun rod is a welding head, and the lower end of the welding head is tightly attached to a seam between the high-pressure-bearing pipeline and the cylindrical shell to be welded.
This application has following advantage: this application passes through the device to the removal of soldered connection, accords with the welding orbit completely to guarantee welding seam department welding quality's reliable and stable, rotate through the device and drive the welding, the better assurance of welded speed, welding quality is more stable, thereby welded quality also can improve. The device of this application is fast to a plurality of welding speeds of treating the weldment, and a single welding location is treated and is accomplished the back, and the welding is stable high-efficient, device easy operation to improve weldment work's efficiency, reduce the need just of master worker welding level, thereby reduce the cost of labor, suitable using widely.
Drawings
Fig. 1 is a schematic perspective view of a high pressure pipe welding apparatus according to an embodiment of the present invention.
Fig. 2 is an enlarged schematic structural diagram at a in fig. 1 according to an embodiment of the present invention.
Fig. 3 is a schematic view of a connection structure of an adjustment support bar according to an embodiment of the present invention.
Fig. 4 is a schematic view of the internal structure of the telescopic rod mechanism according to the embodiment of the invention.
Fig. 5 is a schematic structural view of another embodiment of an adjusting support bar according to the present invention.
FIG. 6 is a schematic view of a structure at a weld location according to an embodiment of the present invention.
As shown in the figure: 1. a high pressure bearing pipeline;
2. a cylindrical shell to be welded;
3. the magnetic support device; 3-1, arc electromagnetic adsorption plates; 3-2, supporting a vertical plate; 3-3, oblique side supporting plates; 3-4, lifting a handle;
4. rotating the welding device; 4-1, lifting a hanging plate; 4-2, welding a rotating motor; 4-3, a motor base plate; 4-4, rotating the support; 4-5, welding a rotary sliding cylinder; 4-6, welding an upper rotating rod; 4-7, a top extension spring; 4-8, a telescopic sleeve; 4-9, a telescopic inserted link; 4-10, compression spring; 4-11, positioning sliding chutes; 4-12, positioning protrusions; 4-13, bottom positioning blocks; 4-14, adjusting the supporting rod; 4-15, supporting the arc-shaped plate; 4-16, a locking bolt; 4-17, clamping a hoop;
5. welding a gun rod; 5-1, welding a swinging block; 5-2, swinging the horizontal supporting rod; 5-3, welding a head;
6. an auxiliary swing device; 6-1, a swing rod; 6-2, a swing sliding sleeve; 6-3, arc limiting grooves; 6-4 and end baffles.
Detailed Description
The present application will be described in further detail with reference to examples.
This application is when concrete implementation, through fixed placing at high pressure-bearing pipeline 1 and wait to weld the device of cylinder casing 2 top, realize the rapid weld to the weld joint. Having included magnetism to inhale strutting arrangement 3 as supporting, having rotated welding set 4 and driven welding set and carry out annular rotation welding, supplementary pendulous device 6 cooperatees with rotation welding set 4 and realizes carrying out welded orbit of marcing to the welding seam under this kind of condition, and is specific:
this device is used for welding on high pressure-bearing pipeline 1 surface and treats welding cylindrical shell 2, wherein:
as shown in fig. 1, in an embodiment of the magnetic support device 3, the magnetic support device 3 is respectively fixed on the surfaces of the high pressure-bearing pipelines 1 on two sides of the cylindrical shell 2 to be welded in an absorbing manner for supporting the welding device; the magnetic suction supporting device 3 comprises an arc-shaped electromagnetic adsorption plate 3-1 adsorbed on the surface of the high pressure-bearing pipeline 1, wherein the arc-shaped electromagnetic adsorption plate 3-1 is a magnetic suction plate which is commonly used in the prior art and has a magnetic suction effect after being electrified, vertical supporting vertical plates 3-2 are respectively arranged on the upper portions of the arc-shaped electromagnetic adsorption plates 3-1, oblique side supporting plates 3-3 are arranged at the tops of the supporting vertical plates 3-2, the supporting vertical plates 3-2 are connected with a rotating welding device 4 through the oblique side supporting plates 3-3, and lifting handles 3-4 are arranged on the oblique side supporting plates 3-3.
Referring to the attached drawings 1 and 2, in one embodiment of a rotary welding device 4, the rotary welding device 4 is arranged at the upper part of a magnetic suction supporting device 3, an output end of the rotary welding device 4 is connected with a welding gun rod 5, and referring to fig. 6, the lower end of the welding gun rod 5 is a welding head 5-3, the lower end of the welding head 5-3 is tightly attached to a seam between a high pressure-bearing pipeline 1 and a cylindrical shell 2 to be welded and used for welding the seam between the high pressure-bearing pipeline 1 and the cylindrical shell 2 to be welded, a welding swinging block 5-1 is arranged in the middle of the welding gun rod 5, and swinging horizontal supporting rods 5-2 horizontally extend from two sides of the welding swinging block 5-1 respectively.
As shown in fig. 1, in an embodiment of the auxiliary oscillating device 6, the auxiliary oscillating device 6 is disposed on the magnetic support device 3, and the auxiliary oscillating device 6 is connected to two ends of the oscillating horizontal strut 5-2 and is used for cooperating with the rotating welding device 4 to form a welding track. The auxiliary swing device 6 comprises a swing rod 6-1 which is rotatably arranged on the opposite sides of two supporting vertical plates 3-2, a swing sliding sleeve 6-2 is arranged at the upper end of the swing rod 6-1, two ends of a swing horizontal supporting rod 5-2 are inserted into the swing sliding sleeve 6-2, an arc limiting groove 6-3 is arranged on the supporting vertical plate 3-2, the arc limiting groove 6-3 corresponds to the swing path of the swing sliding sleeve 6-2, the swing horizontal supporting rod 5-2 sequentially penetrates through the swing sliding sleeve 6-2 and the arc limiting groove 6-3, an end baffle 6-4 is arranged at the end part of the swing horizontal supporting rod 5-2, and the end baffle 6-4 ensures the limit position of the swing horizontal supporting rod 5-2.
Referring to the attached drawings 1 and 2, the rotary welding device 4 comprises an upper top hanging plate 4-1, two ends of the upper top hanging plate 4-1 are fixedly connected with the top ends of inclined side supporting plates 3-3, a motor base plate 4-3 is arranged in the middle of the upper top hanging plate 4-1, a welding rotary motor 4-2 is arranged on the motor base plate 4-3, a rotary support column 4-4 is rotatably arranged below the motor base plate 4-3, the upper end of the rotary support column 4-4 is connected with an output shaft end of the welding rotary motor 4-2, and one side of the lower portion of the rotary support column 4-4 is connected with a welding rotary sliding barrel 4-5 through a telescopic rod mechanism. As shown in figure 4, the telescopic rod mechanism comprises a telescopic sleeve 4-8 and a telescopic inserted rod 4-9 which are mutually inserted, one end of the telescopic inserted rod 4-9 is fixed on one side of a welding rotating sliding cylinder 4-5, the other end is inserted in the telescopic sleeve 4-8, the other end of the telescopic sleeve 4-8 is fixed on one side of a rotating support column 4-4, a locking knob is screwed on the telescopic sleeve 4-8, one end of the telescopic inserted rod 4-9 inserted in the telescopic sleeve 4-8 is provided with a spring placing cavity, a compression spring 4-10 is connected in the spring placing cavity, the other end of the compression spring 4-10 is connected with the inner wall of the telescopic sleeve 4-8, the locking knob is locked after the compression spring 4-10 is in place, so as to adjust different lengths of the telescopic rod mechanism, the length of the telescopic rod mechanism is determined according to-be-welded cylindrical shells 2 with different sizes and diameters, convenient adjustment and better adaptation.
Referring to the attached drawings 1 and 3, the lower end face of a rotating support 4-4 is provided with a bottom positioning block 4-13, the lower part of the rotating support 4-4 is connected with an adjusting support rod 4-14, one end of the adjusting support rod 4-14 is provided with a through hole matched with the bottom positioning block 4-13, the other end of the adjusting support rod 4-14 is provided with a support arc plate 4-15, the support arc plate 4-15 is abutted against one side of the lower part of a welding rotating sliding barrel 4-5, a locking bolt 4-16 for clamping the adjusting support rod 4-14 is screwed on the bottom positioning block 4-13, the length of the adjusting support rod 4-14 can be changed and adjusted to be matched with the lengths of different telescopic rod mechanisms, and therefore the vertical stable state of the whole welding rotating sliding barrel 4-5 is guaranteed.
In another embodiment, the supporting arc-shaped plates 4-15 can be replaced by clamping hoops 4-17 locked by screws, and the lower positions of the rotating sliding cylinders 4-5 are clamped and welded by the clamping hoops 4-17, so that the vertical state of the rotating sliding cylinders 4-5 can be better ensured and the stability degree in the rotating process can be better ensured.
The top of the welding swinging block 5-1 is provided with a welding upper rotating rod 4-6, the welding upper rotating rod 4-6 is inserted in the welding rotating sliding cylinder 4-5, the side wall of the welding upper rotating rod 4-6 is provided with a vertical positioning sliding groove 4-11, and the inner wall of a hole groove of the welding rotating sliding cylinder 4-5, which is sleeved with the welding upper rotating rod 4-6, is provided with a positioning bulge 4-12 matched with the positioning sliding groove 4-11. The positioning sliding grooves 4-11 are limited by the positioning bulges 4-12, so that the welding upper rotating rod 4-6 inserted in the welding rotating sliding cylinder 4-5 cannot rotate in the lifting process when the welding rotating sliding cylinder 4-5 rotates around the rotating support column 4-4, and the welding head 5-3 can be effectively aligned to the position of a welding seam to directly ensure the welding quality.
A top extension spring 4-7 is sleeved on a welding upper rotating rod 4-6 between the welding rotating sliding cylinder 4-5 and the welding swinging block 5-1.
When the device is used, the whole device is adsorbed on the surface of a high-pressure pipeline 1 through the arc-shaped electromagnetic adsorption plate 3-1 and is respectively adsorbed and fixed on two sides of a cylindrical shell 2 to be welded, the length of the replaceable adjusting support rod 4-14 is selected according to the diameter of the cylindrical shell 2 to be welded, one end of the adjusting support rod 4-14 is fixed at the lower end of the rotating support column 4-4, the other end of the adjusting support rod is abutted against (or locked and fixed on) one side of the welding rotating sliding cylinder 4-5, and the support arc-shaped plate 4-15 can be replaced by a hoop in another embodiment, so that the stability is ensured;
after the telescopic sleeve 4-8 and the telescopic inserted link 4-9 are drawn to a certain length, the telescopic sleeve and the telescopic inserted link are locked and fixed through a locking knob, so that the welding gun rod 5 at the lower end can be ensured to be opposite to the position of a welding seam in a vertical state;
starting a welding rotating motor 4-2 to drive a rotating support column 4-4 to rotate, enabling a welding gun rod 5 to slide up and down in a welding rotating sliding barrel 4-5, enabling a welding head 5-3 at the lower end to be right opposite to a welding seam for welding, enabling a jacking spring 4-7 to enable the welding gun rod 5 to have downward pressing force in the moving process, and accordingly enabling welding to be more in place;
the swinging rods 6-1 at the two ends swing and move to different positions when the welding gun rod 5 rotates, and the swinging horizontal support rod 5-2 is also at the highest position when the welding gun rod is welded to the highest point of a welding track; in the same way, when the welding is carried out to the lowest point of the welding track, the swinging horizontal support rod 5-2 is also positioned at the lowest position, so that the welding positioning is more accurate, and the welding of the welding position is stable and firm.
Of course, in order to prevent the cylindrical shell 2 to be welded from being positionally displaced before being welded, resulting in welding quality, fixation may be accomplished by manually spot-welding the weld edge before welding.
While the invention has been shown and described with reference primarily to certain embodiments thereof, it will be understood by those skilled in the art that various changes in construction and details may be made therein without departing from the scope of the invention encompassed by the appended claims. The scope of the invention is, therefore, indicated by the appended claims, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (8)
1. The utility model provides a high pressure-bearing pipeline welding set for weld on high pressure-bearing pipeline (1) surface and wait to weld cylindrical shell (2), its characterized in that includes:
the magnetic suction supporting devices (3) are respectively fixedly adsorbed on the surfaces of the high pressure-bearing pipelines (1) on the two sides of the cylindrical shell (2) to be welded and used for supporting the welding device;
the welding device comprises a rotating welding device (4), wherein the rotating welding device (4) is arranged at the upper part of a magnetic suction supporting device (3), the output end of the rotating welding device (4) is connected with a welding gun rod (5) and used for welding a joint between the high-pressure pipeline (1) and a cylindrical shell (2) to be welded, a welding swinging block (5-1) is arranged in the middle of the welding gun rod (5), and two sides of the welding swinging block (5-1) are respectively provided with a swinging horizontal supporting rod (5-2) in a horizontally extending mode;
the auxiliary swing device (6) is arranged on the magnetic suction supporting device (3), and the auxiliary swing device (6) is connected with two ends of the swing horizontal supporting rod (5-2) and used for being matched with the rotary welding device (4) to form a welding track.
2. The high pressure bearing pipeline welding device according to claim 1, characterized in that: the magnetic suction supporting device (3) comprises an arc-shaped electromagnetic adsorption plate (3-1) adsorbed on the surface of the high pressure-bearing pipeline (1), vertical supporting vertical plates (3-2) are arranged on the upper portion of the arc-shaped electromagnetic adsorption plate (3-1) respectively, oblique side supporting plates (3-3) are arranged at the tops of the supporting vertical plates (3-2), the supporting vertical plates (3-2) are connected with the rotary welding device (4) through the oblique side supporting plates (3-3), and lifting handles (3-4) are arranged on the oblique side supporting plates (3-3).
3. The high pressure bearing pipeline welding device according to claim 2, characterized in that: the auxiliary swing device (6) comprises swing rods (6-1) which are rotatably arranged on the opposite sides of the two supporting vertical plates (3-2), the upper end of the swing rod (6-1) is provided with a swing sliding sleeve (6-2), the two ends of the swing horizontal strut (5-2) are inserted in the swing sliding sleeve (6-2), an arc-shaped limiting groove (6-3) is arranged on the supporting vertical plate (3-2), the arc-shaped limiting groove (6-3) corresponds to the swing path of the swing sliding sleeve (6-2), the swing horizontal supporting rod (5-2) sequentially penetrates through the swing sliding sleeve (6-2) and the arc limiting groove (6-3), an end baffle (6-4) is arranged at the end part of the swing horizontal supporting rod (5-2).
4. The high pressure bearing pipeline welding device according to claim 3, characterized in that: the rotary welding device (4) comprises an upper top hanging plate (4-1), two ends of the upper top hanging plate (4-1) are fixedly connected with the top end of the inclined side supporting plate (3-3), a motor base plate (4-3) is arranged in the middle of the upper top hanging plate (4-1), a welding rotary motor (4-2) is arranged on the motor base plate (4-3), a rotary support column (4-4) is rotatably arranged below the motor base plate (4-3), the upper end of the rotary support column (4-4) is connected with the output shaft end of the welding rotary motor (4-2), one side of the lower part of the rotary support column (4-4) is connected with a welding rotary sliding cylinder (4-5) through a telescopic rod mechanism, and a welding upper rotary rod (4-6) is arranged at the top of the welding swing block (5-1), the welding upper rotating rod (4-6) is inserted into the welding rotating sliding cylinder (4-5), and a jacking spring (4-7) is sleeved on the welding upper rotating rod (4-6) between the welding rotating sliding cylinder (4-5) and the welding swinging block (5-1).
5. The high pressure bearing pipeline welding device according to claim 4, characterized in that: the telescopic rod mechanism comprises a telescopic sleeve (4-8) and a telescopic inserted rod (4-9) which are mutually inserted, one end of the telescopic inserted rod (4-9) is fixed on one side of a welding rotating sliding cylinder (4-5), the other end of the telescopic inserted rod is inserted in the telescopic sleeve (4-8), the other end of the telescopic sleeve (4-8) is fixed on one side of a rotating support column (4-4), a locking knob is screwed on the telescopic sleeve (4-8), one end of the telescopic inserted rod (4-9) inserted in the telescopic sleeve (4-8) is provided with a spring placing cavity, a compression spring (4-10) is connected in the spring placing cavity, and the other end of the compression spring (4-10) is connected with the inner wall of the telescopic sleeve (4-8).
6. The high pressure bearing pipeline welding device according to claim 5, characterized in that: the side wall of the welding upper rotating rod (4-6) is provided with a vertical positioning sliding groove (4-11), and the inner wall of a hole groove of the welding rotating sliding cylinder (4-5) which is sleeved with the welding upper rotating rod (4-6) is provided with a positioning bulge (4-12) matched with the positioning sliding groove (4-11).
7. The high pressure-bearing pipeline welding device according to claim 6, characterized in that: the lower end face of the rotating support column (4-4) is provided with a bottom positioning block (4-13), the lower portion of the rotating support column (4-4) is connected with an adjusting support rod (4-14), one end of the adjusting support rod (4-14) is provided with a through hole matched with the bottom positioning block (4-13), the other end of the adjusting support rod (4-14) is provided with a support arc-shaped plate (4-15), the support arc-shaped plate (4-15) abuts against one side of the lower portion of the welding rotating sliding barrel (4-5), and the bottom positioning block (4-13) is in threaded connection with a locking bolt (4-16) for clamping the adjusting support rod (4-14).
8. The high pressure pipe welding apparatus according to claim 1 or 7, wherein: the lower end of the welding gun rod (5) is provided with a welding head (5-3), and the lower end of the welding head (5-3) is tightly attached to a joint between the high pressure-bearing pipeline (1) and the cylindrical shell (2) to be welded.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210707918.4A CN114799651A (en) | 2022-06-22 | 2022-06-22 | High-pressure-bearing pipeline welding device |
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| CN202210707918.4A CN114799651A (en) | 2022-06-22 | 2022-06-22 | High-pressure-bearing pipeline welding device |
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| CN114799651A true CN114799651A (en) | 2022-07-29 |
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| CN111085760A (en) * | 2018-10-23 | 2020-05-01 | 中国石油天然气集团有限公司 | Automatic welding support for pipeline |
| CN209175092U (en) * | 2018-11-30 | 2019-07-30 | 宣城市安工大工业技术研究院有限公司 | A kind of all positon pipe-pipe intersection robot welding system |
| CN213764722U (en) * | 2020-09-15 | 2021-07-23 | 山东庆功管道焊接安装有限公司 | Pipeline welding device for building fire control |
| CN213859243U (en) * | 2020-12-05 | 2021-08-03 | 中铁六局集团天津铁路建设有限公司 | 90-degree welding and paying-off device for circular steel pipe |
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