CN115502530A

CN115502530A - Liftable plasma welding machine

Info

Publication number: CN115502530A
Application number: CN202211274739.2A
Authority: CN
Inventors: 陈果; 郑传进; 徐理正; 梁宇城; 陶配龙; 邵德万; 方以荣; 封文宇; 胡水生; 陈剑保; 肖浩
Original assignee: Lizhili Machinery Guangzhou Co ltd
Current assignee: Lizhili Machinery Guangzhou Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2022-12-23
Anticipated expiration: 2042-10-18
Also published as: CN115502530B

Abstract

The application discloses a liftable plasma welding machine, which relates to the technical field of plasma welding equipment and comprises a fixed frame, a horizontal truss in sliding fit with the fixed frame, a welding machine in sliding connection with the horizontal truss, a lifting power part for driving the horizontal truss to lift and a supporting frame for placing a tank body section to be welded; the welding device is characterized in that a movable frame is rotatably connected to the fixed frame through a rotating shaft, the rotating shaft and the tank body sections to be welded are coaxially arranged, a cleaning rod is fixedly arranged on the movable frame, one end, far away from the movable frame, of the cleaning rod is fixedly provided with a first blade used for cleaning welding slag at a welding seam, a linkage assembly is arranged between the rotating shaft and the horizontal truss, and when the horizontal truss ascends, the movable frame can rotate under the action of the linkage assembly to drive the first blade to clean the welding slag at the welding seam. This application has the effect that makes things convenient for the staff to clear up the welding slag of butt weld department.

Description

Liftable plasma welding machine

Technical Field

The invention relates to the technical field of plasma welding equipment, in particular to a liftable plasma welding machine.

Background

The plasma welding machine is widely applied to the industrial field due to the characteristic of high energy density. When welding tank sections, conventional welding methods typically raise the tank sections to a height that corresponds to the operating position of the welder.

And along with equipment gradually to the direction development of maximization, heaviness, operate through the mode that promotes jar body segment section, when the welding slag that produces in the welding process of clearance welding seam department, need the staff to clear up the welding slag at different heights, the operation is difficult, exists improvement space.

Therefore, the application provides a plasma welding machine of liftable of convenient clearance welding slag.

Disclosure of Invention

In order to facilitate cleaning of welding slag at a welding seam by workers, the application provides the liftable plasma welding machine.

The application provides a liftable plasma welding machine adopts following technical scheme:

a liftable plasma welding machine comprises a fixed frame, a horizontal truss in sliding fit with the fixed frame, a welding machine connected to the horizontal truss in a sliding mode, a lifting power part used for driving the horizontal truss to lift and a supporting frame used for placing a tank body section to be welded;

the welding device is characterized in that a movable frame is rotatably connected to the fixed frame through a rotating shaft, the rotating shaft and the tank body sections to be welded are coaxially arranged, a cleaning rod is fixedly arranged on the movable frame, one end, far away from the movable frame, of the cleaning rod is fixedly provided with a first blade used for cleaning welding slag at a welding seam, a linkage assembly is arranged between the rotating shaft and the horizontal truss, and when the horizontal truss ascends, the movable frame can rotate under the action of the linkage assembly to drive the first blade to clean the welding slag at the welding seam.

By adopting the technical scheme, when the two tank body sections are welded, the two tank body sections are placed on the supporting frame, the horizontal truss is driven to descend by the lifting power part, the position of the welding machine is adjusted, the two tank body sections are synchronously rotated after the welding machine is in place, and the welding machine is used for welding the joints of the adjacent tank body sections; after welding is finished, stopping the rotation of the tank body sections to prevent the processed welding line from being influenced; and after the welding was accomplished, horizontal truss and welding machine rose under the effect of lift power spare, and the in-process that rises drives adjustable shelf and clearance pole through the linkage subassembly and rotates, and first blade is cleared up the welding slag of two jar body segment welding seams along with clearance pole is together rotated, compares the mode that the staff is located the eminence and clears up the welding slag in traditional construction, convenient operation, has greatly shortened operating time.

Preferably, the linkage assembly comprises a rack vertically and fixedly arranged on the horizontal truss, a gear rotatably connected to the fixed frame and a linkage shaft arranged on the movable frame, the gear is coaxially sleeved on the outer side of the rotating shaft, and a limiting component used for limiting the rotation of the gear and the rotating shaft is arranged between the gear and the rotating shaft.

By adopting the technical scheme, when the horizontal truss and the welding machine rise under the action of the lifting power part, the limiting component limits the relative rotation between the gear and the rotating shaft, the horizontal truss drives the rack to move upwards, the gear and the rotating shaft rotate under the action of the rack, and then the movable frame and the cleaning rod are driven to rotate, so that the cleaning of welding slag at a welding seam is completed.

Preferably, the limiting member comprises a key groove formed in the inner wall of the gear, a horizontal power piece fixedly arranged on the rotating shaft and a limiting key fixed at the output end of the horizontal power piece, and the limiting key can move to be embedded with the key groove under the action of the horizontal power piece.

By adopting the technical scheme, when the relative rotation between the rotating shaft and the gear needs to be limited, the limiting key is driven by the horizontal power part to move to be embedded with the key groove; when the limit between the rotating shaft and the gear needs to be released, the limit key is driven to move out through the horizontal power piece.

Preferably, the supporting frame comprises bottom supporting frames positioned on two sides of the bottom of the tank body section and rollers arranged on the bottom supporting frames.

Through adopting above-mentioned technical scheme, place jar body segment on the gyro wheel, the setting up of gyro wheel has reduced the frictional force between jar body segment and the bottom sprag frame, when welding the junction of adjacent jar body segment, rotates jar body segment and welds in order to make things convenient for under the unchangeable circumstances in welding machine position.

Preferably, two the bottom sprag frame symmetry sets up, the clearance pole has many along the circumference interval equipartition of adjustable shelf, one of them clearance pole is located between two bottom sprag frames.

Through adopting above-mentioned technical scheme, rationally lay the position of bottom sprag frame and clearance pole, ensure the maximize of clearance pole clearance scope.

Preferably, the one end that the adjustable shelf was kept away from to the clearance pole has the extension rod along jar body segment's circumference extension, the extension rod extends along jar body segment's circumference, the one end that the clearance pole was kept away from to the extension rod is equipped with the second blade that is used for clearing up the welding slag, the second blade can be cleared up the welding slag that the bottom sprag frame corresponds welding seam department.

By adopting the technical scheme, when the cleaning rod cannot continue to rotate due to the limitation of the bottom support frame, the second blade passes through the area of the welding seam corresponding to the bottom support frame, the welding slag at the welding seam corresponding to the bottom support frame is cleaned, and the welding slag is cleaned in a full range.

Preferably, a reinforcing lantern ring is fixed on the outer side of the cleaning rods.

Through adopting above-mentioned technical scheme, strengthening the stability of connecting between the lantern ring that sets up has improved between the adjacent clearance pole, has reduced the one end that the clearance pole kept away from the adjustable shelf and has taken place the condition of deformation, has guaranteed the clearance effect to the welding slag of welding seam department.

Preferably, the bottom end of the supporting frame is provided with a travelling wheel.

By adopting the technical scheme, after the adjacent tank body sections are welded, the supporting frame is driven by the travelling wheels to move towards the movable frame, so that the first blade is aligned to the welding seam between the two adjacent tank body sections.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after welding is completed, the horizontal truss and the welding machine ascend under the action of the lifting power part, the movable frame and the cleaning rod are driven to rotate through the linkage assembly in the ascending process, the first blade rotates along with the cleaning rod to clean welding slag at the welding seams of the two tank body sections, compared with a traditional mode that workers are located at high positions to clean the welding slag in the traditional construction, the operation is convenient, the operation time is greatly shortened, the tank body sections do not need to be rotated, and the influence on the processed welding seams is avoided;

2. when the cleaning rod cannot rotate continuously due to the limitation of the bottom support frame, the second blade passes through the area of the welding seam corresponding to the bottom support frame, and the welding slag at the welding seam corresponding to the bottom support frame is cleaned, so that the whole range of cleaning of the welding slag is realized;

3. after the adjacent tank body sections are welded, the supporting frame is driven by the travelling wheels to move towards the movable frame, so that the first blade is aligned to the welding seam between the two adjacent tank body sections.

Drawings

Fig. 1 is a schematic view showing the overall structure of a plasma welding machine in the embodiment of the present application.

Fig. 2 is a partially enlarged schematic view of a portion a of fig. 1.

FIG. 3 is a schematic diagram showing the relationship between cleaning tools and tank sections in an embodiment of the present application.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 1.

Description of the reference numerals:

1. a fixed mount; 11. a longitudinal frame; 12. a transverse frame; 2. a horizontal truss; 3. a welding machine; 4. a support frame; 41. a bottom support frame; 42. a roller; 5. cleaning the tool; 51. a movable frame; 52. cleaning the rod; 53. a reinforcing collar; 531. a reinforcing collar segment; 54. a first blade; 55. an extension rod; 56. a second blade; 57. a rotating shaft; 6. a hydraulic cylinder; 8. a base plate; 81. a traveling wheel; 9. a linkage assembly; 91. a rack; 92. a gear; 93. a keyway; 94. an electric push rod; 95. and a limiting key.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a liftable plasma welding machine which is used for welding two sections of tank body sections and cleaning welding slag at a welding seam.

Referring to fig. 1, a liftable plasma welding machine comprises a fixed frame 1, a horizontal truss 2 vertically sliding on the fixed frame 1, a welding machine 3 horizontally sliding on the horizontal truss 2, a support frame 4 for placing a tank body section to be welded, and a cleaning tool 5 for cleaning welding slag at a welding seam.

The fixing frame 1 is arranged in an L shape and comprises a longitudinal frame 11 and a transverse frame 12. A vertically arranged hydraulic cylinder 6 is fixed on the transverse frame 12, and the output end of the hydraulic cylinder 6 is fixed on the horizontal truss 2 to drive the horizontal truss 2 to lift.

The supporting rack 4 includes that the symmetry sets up in the bottom sprag frame 41 of jar body segment bottom both sides, and bottom sprag frame 41 is equipped with a plurality ofly in the equal interval in every side, is equipped with gyro wheel 42 on the bottom sprag frame 41, and jar body segment is placed on supporting rack 4, and the setting of gyro wheel 42 carries out the rotation of jar body when conveniently welding.

The bottom of the supporting frame 4 is provided with a bottom plate 8, and the bottom surface of the bottom plate 8 is provided with walking wheels 81, so that the position of the section of the tank body to be welded can be conveniently adjusted.

The cleaning tool 5 comprises a movable frame 51 connected to the longitudinal frame 11 in a rotating mode through a rotating shaft 57 and cleaning rods 52 fixed to the movable frame 51, the rotating shaft 57 is coaxial with the tank body sections placed on the supporting frame 4, the movable frame 51 is arranged in a disc shape, the number of the cleaning rods 52 is three, the cleaning rods 52 are evenly distributed along the circumferential direction of the movable frame 51 at intervals, one cleaning rod 52 is located between the two bottom supporting frames 41, and the extending direction of the cleaning rod 52 is parallel to the axial direction of the rotating shaft 57.

A gap is reserved between the cleaning rods 52 and the outer wall of the tank body section to be welded, a plurality of reinforcing lantern rings 53 are sleeved and fixed on the outer sides of the cleaning rods 52, and the reinforcing lantern rings 53 are distributed at intervals along the length direction of the cleaning rods 52.

It should be noted that the reinforcing collar 53 needs to be welded before the cleaning tool 5 starts the cleaning operation, i.e. after the cleaning rod 52 is in place, the multi-segmented reinforcing collar segments 531 are welded to form the complete reinforcing collar 53, so as to avoid interference with the reinforcing collar 53 during the movement of the support frame 4.

With reference to fig. 1, 2 and 3, a first blade 54 is fixed at one end of the cleaning rod 52 far away from the movable frame 51, and the first blade 54 is used for welding with the outer wall of the tank body segment to clean welding slag at the welding seam. An extension rod 55 is further fixed at one end of the cleaning rod 52, which is far away from the movable frame 51, the extension rod 55 extends along the circumferential direction of the tank body segment, and a second blade 56 for cleaning welding slag is arranged at one end of the extension rod 55, which is far away from the first blade 54.

When the movable frame 51 and the cleaning rod 52 rotate under the action of external force, the first blade 54 and the second blade 56 clean up welding slag at the welding seams of two adjacent tank body sections, and when the cleaning rod 52 cannot rotate continuously due to the limitation of the bottom support frame 41, the second blade 56 cleans up the welding slag at the welding seams corresponding to the bottom support frame 41 after passing through the area of the welding seams corresponding to the bottom support frame 41, so that the full-range cleaning of the welding slag is realized.

With reference to fig. 1 and 4, a linkage assembly 9 is disposed between the rotating shaft 57 and the horizontal truss 2, and the linkage assembly 9 includes a rack 91 vertically fixed to the horizontal truss 2, a gear 92 coaxially sleeved outside the rotating shaft 57, and a limiting member disposed between the gear 92 and the rotating shaft 57.

The limiting member comprises a key groove 93 formed in the gear 92, an electric push rod 94 fixed on the rotating shaft 57 and a limiting key 95 fixed at the output end of the electric push rod 94, the electric push rod 94 is arranged in the direction parallel to the axis of the rotating shaft 57, and the limiting key 95 is matched with the key groove 93. When the relative rotation between the gear 92 and the rotating shaft 57 needs to be restricted, the electric push rod 94 drives the stopper key 95 to move to be fitted into the key groove 93, thereby restricting the relative rotation between the two.

The implementation principle of the liftable plasma welding machine of the embodiment of the application is as follows:

when the two tank body sections are welded, the two tank body sections are placed on the idler wheel 42 of the supporting frame 4, the horizontal truss 2 is driven to descend through the hydraulic cylinder 6, the position of the welding machine 3 is adjusted, the two tank body sections are synchronously rotated after the welding machine 3 is in place, and the welding machine 3 welds the joint of the adjacent tank body sections; after welding is completed, rotation of the tank body sections is stopped, the electric push rod 94 drives the limiting key 95 to move to be embedded with the key groove 93, relative rotation between the limiting gear 92 and the rotating shaft 57 is limited, the hydraulic cylinder 6 drives the horizontal truss 2 and the welding machine 3 to ascend, in the ascending process of the horizontal truss 2, the rack 91 drives the gear 92 to rotate, further, the rotating shaft 57, the movable frame 51 and the cleaning rod 52 are driven to rotate, the first blade 54 and the second blade 56 scrape and clean welding slag at the welding seams, when the cleaning rod 52 cannot rotate continuously due to limitation of the bottom supporting frame 41, the second blade 56 passes through the area of the welding seams corresponding to the bottom supporting frame 41, the welding slag at the welding seams corresponding to the bottom supporting frame 41 is cleaned, and full-range cleaning of the welding slag is achieved.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, 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

1. The utility model provides a liftable plasma welding machine which characterized in that: the welding device comprises a fixed frame (1), a horizontal truss (2) in sliding fit with the fixed frame (1), a welding machine (3) in sliding connection with the horizontal truss (2), a lifting power part for driving the horizontal truss (2) to lift and a supporting frame (4) for placing tank body sections to be welded;

the welding device is characterized in that a movable frame (51) is rotatably connected to the fixed frame (1) through a rotating shaft (57), the rotating shaft (57) and a tank body section to be welded are coaxially arranged, a cleaning rod (52) is fixedly arranged on the movable frame (51), one end, away from the movable frame (51), of the cleaning rod (52) is fixed with a first blade (54) used for cleaning welding slag at a welding seam, a linkage assembly (9) is arranged between the rotating shaft (57) and the horizontal truss (2), when the horizontal truss (2) ascends, the movable frame (51) can rotate under the action of the linkage assembly (9) to drive the first blade (54) to clean the welding slag at the welding seam.

2. A liftable plasma welder according to claim 1, characterised in that: linkage subassembly (9) including vertical rack (91) that sets firmly in horizontal truss (2), rotate gear (92) of connecting in mount (1) and locate the universal driving shaft of adjustable shelf (51), axis of rotation (57) outside is located to coaxial cover of gear (92), be equipped with between gear (92) and axis of rotation (57) and be used for restricting the two pivoted stop component.

3. A liftable plasma welder according to claim 2, characterised in that: the limiting component comprises a key groove (93) formed in the inner wall of the gear (92), a horizontal power piece fixedly arranged on the rotating shaft (57) and a limiting key (95) fixed at the output end of the horizontal power piece, and the limiting key (95) can move to be embedded with the key groove (93) under the action of the horizontal power piece.

4. A liftable plasma welder according to claim 1, characterised in that: the supporting frame (4) comprises bottom supporting frames (41) positioned on two sides of the bottom of the tank body section and rollers (42) arranged on the bottom supporting frames (41).

5. The liftable plasma welder of claim 4, wherein: the two bottom supporting frames (41) are symmetrically arranged, a plurality of cleaning rods (52) are uniformly distributed along the circumferential direction of the movable frame (51) at intervals, and one cleaning rod (52) is located between the two bottom supporting frames (41).

6. The liftable plasma welder of claim 5, wherein: the one end that adjustable shelf (51) was kept away from in clearance pole (52) extends along jar body segmental circumference has extension rod (55), extension rod (55) extend along jar body segmental circumference, the one end that clearance pole (52) were kept away from in extension rod (55) is equipped with second blade (56) that are used for clearing up the welding slag, second blade (56) can be cleared up the welding slag that bottom sprag frame (41) correspond the welding seam and handle.

7. The liftable plasma welder of claim 5, wherein: a reinforcing collar (53) is fixed on the outer side of the cleaning rods (52).

8. The liftable plasma welder of claim 1, wherein: and the bottom end of the supporting frame (4) is provided with a travelling wheel (81).