Heat supply spiral steel pipe flange mounting and welding device

Abstract

The utility model discloses a heat supply spiral steel pipe flange mounting and welding device. The problem that the height of a welding rod is difficult to guarantee due to the fact that the height of the welding rod needs to be adjusted in the welding process to enable the height of the welding rod to be 1.5-3mm away from the welding position all the time is solved. The pipeline fixing device comprises a bottom support and a supporting buckle plate, the bottom support is used for supporting a pipeline, the supporting buckle plate is fixed to two supporting columns of the bottom support, and the supporting buckle plate and a flange are concentrically arranged and fixed through an insertion rod penetrating into a through hole of the flange; an adjusting sliding block is connected to the supporting buckle plate in a sliding mode, a conveyor is connected into the adjusting sliding block through an adjusting ball, the bottom of the conveyor is fixed to a handle of the electrode holder, and the conveyor is used for adjusting the height of the electrode holder. The device is used for installing and welding the heat supply spiral steel pipe flange.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of heating spiral steel pipe flange mounting welding device. BACKGROUND

[0002] Heating spiral steel pipe needs to be welded with flange, and the flange is used to connect pipeline. When welding flange, welding is carried out by hand holding welding torch. Since the pipeline is circular, it is difficult to hold welding torch during welding, which affects the welding effect. In addition, the height of welding rod needs to be adjusted during welding to keep it at a distance of 1.5-3mm from the welding position. The height of welding rod within this range can ensure the stability of welding pool and avoid welding quality problems caused by too high or too low height. However, it is difficult to adjust the height of welding rod by hand. SUMMARY

[0003] To overcome the defects in the prior art, the utility model provides a kind of heating spiral steel pipe flange mounting welding device.

[0004] To achieve the above object, the utility model provides a kind of heating spiral steel pipe flange mounting welding device, which comprises a bottom support and a supporting buckle plate. The bottom support is used to support the pipeline. The supporting buckle plate is fixed on two support columns of the bottom support. The supporting buckle plate is concentrically arranged with the flange and is fixed by inserting a rod into the through hole of the flange.

[0005] An adjusting slider is slidably connected to the supporting buckle plate. A conveyor is connected to the adjusting slider by an adjusting ball. The bottom of the conveyor is fixed with the handle of the welding torch. The conveyor is used to adjust the height of the welding torch.

[0006] The conveyor of the heating spiral steel pipe flange mounting welding device comprises an outer cylinder, a speed reducer, a lead screw and a screw sleeve. The outer cylinder is inserted into the center hole of the adjusting ball and fixed. A ring plate is fixed to the top end of the outer cylinder. The speed reducer is fixed to the ring plate. The output shaft of the speed reducer is fixed with the lead screw. The lead screw is sleeved with the screw sleeve and connected with the screw sleeve by screw threads. The bottom of the screw sleeve is fixed with a branch pipe. The end of the branch pipe is fixed with a fixed sleeve.

[0007] The outer wall of the screw sleeve has a protrusion, and the protrusion is slidably connected with the sliding groove.

[0008] The bottom support of the heating spiral steel pipe flange mounting welding device comprises a bottom plate. Six support columns are fixed to the bottom plate. Four support columns are fixed to the top of the semicircular support table.

[0009] The adjusting sliding block is a concave block, the front end has a sliding strip, and the notch has an arc groove.

[0010] The utility model discloses beneficial effect:

[0011] 1. The utility model discloses a conveying device is set up, and the conveying device is fixed to the welding tongs, and the height of welding tongs is adjusted through the conveying device, can adjust the height of the welding rod according to the speed of the melting of the welding rod, make its welding rod keep between 1.5-3mm with the height of the welding place, guarantee the effect of welding.

[0012] 2. The utility model discloses can rotate according to the concentric circle of flange with welding tongs, make it keep stable circular transition when welding.

[0013] 3. The utility model discloses setting the adjusting ball, and the adjusting ball is in the adjusting sliding block, and the adjusting ball is the form of universal joint, can slide in the notch of adjusting sliding block simultaneously, like this can be applicable to different welding forms, since the flange is welded with pipeline usually and adopts sawtooth welding, can adjust the angle between the welding rod and the outer wall of pipeline through the adjusting ball, and simultaneously do not affect the sawtooth shape movement in sawtooth welding. DRAWINGS

[0014] Figure 1 It is isometric view of the utility model;

[0015] Figure 2 It is perspective view of the utility model;

[0016] Figure 3 It is plan view of the utility model;

[0017] Figure 4 It is front view of the utility model;

[0018] Figure 5 It is side view of the utility model;

[0019] Figure 6 It is bottom view of the utility model;

[0020] Figure 7 It is Figure 3 A-A section view of the utility model;

[0021] Figure 8 It is Figure 3 B-B section view of the utility model;

[0022] Figure 9 It is Figure 7 C enlarged view of the utility model;

[0023] Figure 10 It isFigure 8 D part enlarged view of the figure;

[0024] Figure 11 It is the structure schematic diagram when the utility model is used;

[0025] The figure mark is explained as follows:

[0026] In the figure: 1, semicircle support platform;2, pipeline;3, flange;4, support buckle plate;5, track groove;6, welding rod;7, welding tongs;8, adjusting sliding block;9, adjusting ball;10, conveyor;11, support column;12, bottom plate;13, insertion rod;14, outer cylinder;15, branch pipe;16, lead screw;17, screw sleeve;18, bearing;19, ring plate;20, speed reducer motor;21, sliding slot;22, locking bolt;23, fixed sleeve;24, sliding bar;25, arc groove;26, fixed plate;27, semicircle convex head;28, connecting sleeve;29, adjusting bolt. Specific implementation

[0027] In order to further understand the structure, features and other purposes of the utility model, now combining with the preferred embodiment, the following is explained in detail with the attached drawings, the embodiment explained in the drawing is only used to explain the technical scheme of the utility model, and is not limited to the utility model.

[0028] Referring to Figures 1-10 A heat supply spiral steel pipe flange mounting and welding device, including bottom support and support buckle plate 4, the bottom support is used for supporting pipeline;

[0029] The bottom support includes bottom plate 12, and six support columns 11 are fixed on the bottom plate, wherein four support columns are fixed on the top of semicircle support platform 1, and the other two support columns are fixed on support buckle plate 4, and the semicircle support platform is used for supporting pipeline;

[0030] The support buckle plate is fixed on the two support columns of the bottom support, and the support buckle plate is concentrically arranged with the flange 3 and is fixed by inserting the insertion rod 13 into the through hole of the flange;

[0031] The insertion rod is a screw structure, the end portion of the insertion rod is provided with a limit plate, during installation, the insertion rod is inserted into the through hole of the flange first, then two nuts are threadedly connected, so that the flange is clamped, then the insertion rod is inserted through the support buckle plate, and then the nut is threadedly connected, so that the support buckle plate is fixed after the plurality of insertion rods are fixed;

[0032] The adjusting sliding block 8 is slidably connected to the support buckle plate, the adjusting sliding block is connected with the conveyor 10 through the adjusting ball 9, the bottom of the conveyor is fixed with the handle of the welding tongs 7, and the conveyor is used for adjusting the height of the welding tongs.

[0033] The adjusting slider is a concave block, the front end has a sliding strip 24, and the notch has an arc groove 25;

[0034] The sliding strip of the adjusting slider is matched with the track groove 5 of the outer wall of the supporting buckle plate, so that the adjusting slider can rotate along the outer wall of the supporting buckle plate, the adjusting ball is arranged in the notch of the adjusting slider, the two inner sides of the notch are arc grooves 25, the arc grooves are equal to the arc of the adjusting ball, the adjusting ball can be inserted into the arc grooves, the fixing plate 26 is fixed on the adjusting slider through a screw, and the fixing plate is used for effectively limiting the position of the adjusting ball and preventing the adjusting ball from sliding out.

[0035] The outer cylinder is inserted into the center hole of the adjusting ball and fixed, the connecting sleeve is further fixed on the adjusting ball, the adjusting bolt 29 is threadedly connected to the connecting sleeve, the top end of the outer cylinder is fixed with the ring plate 19, the speed reducer motor is fixed on the ring plate, the speed reducer motor is a micro DC speed reducer motor, which is matched with a DC motor PWM stepless speed regulator, so that the speed of the speed reducer motor can be adjusted, the output shaft of the speed reducer motor is fixed with the lead screw, the end of the lead screw is connected with the outer cylinder through a bearing, the lead screw is provided with a screw sleeve and is threadedly connected with the screw sleeve, the bottom of the screw sleeve is fixed with the branch pipe 15, and the end of the branch pipe is fixed with the fixing sleeve 23.

[0036] The outer cylinder is inserted into the center hole of the adjusting ball and fixed, the connecting sleeve is further fixed on the adjusting ball, the adjusting bolt 29 is threadedly connected to the connecting sleeve, the top end of the outer cylinder is fixed with the ring plate 19, the speed reducer motor is fixed on the ring plate, the speed reducer motor is a micro DC speed reducer motor, which is matched with a DC motor PWM stepless speed regulator, so that the speed of the speed reducer motor can be adjusted, the output shaft of the speed reducer motor is fixed with the lead screw, the end of the lead screw is connected with the outer cylinder through a bearing, the lead screw is provided with a screw sleeve and is threadedly connected with the screw sleeve, the bottom of the screw sleeve is fixed with the branch pipe 15, and the end of the branch pipe is fixed with the fixing sleeve 23.

[0037] Working principle: refer to Figure 11In use, the welding rod 6 is clamped on the welding tongs, the handle of the welding tongs is inserted into the fixing sleeve 23 and locked by the locking bolt 22, the control box 30 is fixed on the outer cylinder near the speed reducer motor, the battery is fixed in the control box, the switch 31 is fixed on the control box, the battery supplies power to the speed reducer motor and the speed regulator, the switch is used for controlling the start and stop of the speed reducer motor, one hand holds the control box of the outer cylinder, then the adjusting bolt is loosened, the outer cylinder and the whole welding tongs can be adjusted in position, then the conveyor is rotated to adjust the position for arc striking, after the arc striking, the operator adjusts the height of the conveyor according to experience to make the distance between the welding rod and the welding position be 1.5-3mm, after the adjustment, welding is carried out, and after the adjustment is completed, the adjusting bolt is directly tightened, the hand holding the control box directly presses the switch to make the speed reducer motor start, the hand holding the control box adjusts the angle between the welding rod and the welding position according to the welding experience, and after the speed reducer motor starts, the screw rod is rotated, the screw rod is threadedly connected with the screw sleeve, the semicircular protrusion on the screw sleeve is matched with the sliding groove of the outer cylinder to make the screw sleeve slide up and down, the branch pipe is fixed on the screw sleeve to make the height of the whole welding tongs adjusted, then the operator adjusts the sliding block to make the device circularly move for welding, the whole device provides a supporting arm for the welding process, so that the welding tongs can rotate concentrically with the flange during the welding process, so that the smooth transition of the circular welding is ensured, the angle of the welding rod during the welding and the zigzag welding during the welding are adjusted according to the conventional manual welding mode, the adjusting ball is used for adjusting the angle of the welding rod, the adjusting ball can slide in the adjusting sliding block, the zigzag welding during the circular rotation can be realized, the conveyor can adjust the height of the welding tongs to be used for conveying the welding rod, since the welding rod is gradually melted during the welding process, the welding rod needs to be manually operated for welding and conveying, the height between the welding rod and the welding position is always kept at 1.5-3mm, the conveyor can be electrically conveyed, the stability of the conveying can be ensured, and the speed of the speed reducer motor can be adjusted by the speed regulator, so that the conveying speed of the welding rod is adjusted.

[0038] It should be noted that the above utility model content and specific embodiments are intended to prove the practical application of the technical solutions provided by the utility model, and should not be interpreted as a limitation on the protection scope of the utility model. Those skilled in the art can make various modifications, equivalent replacements or improvements within the spirit and principles of the utility model. The protection scope of the utility model is subject to the appended claims.

Claims

1. A device for mounting and welding flanges of a heating spiral steel pipe, characterized in that, The bottom support is used for supporting the pipeline, the support clamping plate is fixed on two support columns of the bottom support, the support clamping plate is arranged concentrically with the flange and is fixed by inserting the inserting rod into the through hole of the flange; The adjusting sliding block is slidably connected to the support clamping plate, an adjusting ball is connected to the adjusting sliding block, and a conveyor is fixed to the bottom of the adjusting ball.

2. A device for mounting and welding flanges of a heating spiral steel pipe according to claim 1, characterized in that, The conveyor comprises an outer cylinder, a speed reducer, a screw rod and a screw sleeve, the outer cylinder is inserted into the center hole of the adjusting ball and is fixed, the top end of the outer cylinder is fixed with a ring plate, the speed reducer is fixed on the ring plate, the output shaft of the speed reducer is fixed with the screw rod, the screw rod is sleeved with the screw sleeve and is screwed with the screw sleeve, the bottom of the screw sleeve is fixed with a support pipe, and the end of the support pipe is fixed with a fixing sleeve.

3. A device for mounting and welding flanges of a heating spiral steel pipe according to claim 2, characterized in that, The inner wall of the outer cylinder is provided with a sliding groove, and the outer wall of the screw sleeve is provided with a protrusion which is slidably matched with the sliding groove.

4. A device for mounting and welding flanges of a heating spiral steel pipe according to claim 3, characterized in that, The bottom support comprises a bottom plate, and six support columns are fixed on the bottom plate, four of which are fixed on the top of semicircular support tables.

5. A device for mounting and welding flanges of a heating spiral steel pipe according to claim 4, characterized in that, The adjusting sliding block is a concave block, the front end is provided with a sliding strip, and the concave portion is provided with an arc groove.

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