Welding bracket for welding in pipeline

Abstract

The utility model relates to the technical field of welding brackets, and discloses a welding bracket for welding in a pipeline, which comprises two bracket plates, rotating shafts are fixedly connected to the front and rear sides of the two bracket plates, supporting plates are rotatably connected to the outer walls of the rotating shafts, rotating wheels are rotatably connected to the bottom ends of the sides, far away from each other, of the supporting plates, and the rotating wheels are rotatably connected to the outer walls of the rotating shafts. The top ends of the adjacent sides of the multiple supporting plates are fixedly connected with rotating shafts, the adjacent sides of the multiple rotating shafts are rotationally connected with lead screws, and the thread directions of the two lead screws on the left side are opposite to the thread directions of the two lead screws on the right side. According to the utility model, the support plate is driven to expand or contract by rotating the sleeve, and the support plate is connected with the bracket plate by the rotating shaft, so that the rotating wheel can roll on the inner walls of pipelines with different diameters by adjusting different angles, the bracket is convenient to move and adjust the position, a stable and adjustable platform is provided for welding in the pipelines, and the efficiency and the quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding bracket technical field especially relates to be used for pipeline internal welding's welding bracket. BACKGROUND

[0002] Welding bracket is a kind of tool for supporting and fixing welding equipment and workpiece in welding operation, can provide stable platform for welding operation, ensure the precision and quality of welding process, by using welding bracket, welding efficiency can be improved, the labor intensity of operator is reduced, welding operation safety can also be guaranteed.

[0003] When welding operation is carried out in pipeline, the shape and space limitation of pipeline can be adapted, and the welding bracket for pipeline internal welding usually has adjustable structure to adapt to different diameter pipelines, can provide stable support for welding machine and other equipment inside pipeline, makes welding operation more convenient and efficient.

[0004] The existing welding bracket for pipeline internal welding cannot enter the inside of pipeline for operation when facing smaller diameter pipeline due to the non-adjustable moving wheel, and for larger diameter pipeline, the stability of welding bracket is poor, and shaking may occur in welding process, which affects welding quality and safety. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides welding bracket for pipeline internal welding, aiming at improving the problem that the existing welding bracket for pipeline internal welding cannot enter and has poor stability for different size pipelines due to the non-adjustable moving wheel, thereby affecting welding quality and safety.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme: welding bracket for pipeline internal welding, including two bracket plates, the front and rear sides of two bracket plates are fixedly connected with rotating shafts, the outer walls of multiple rotating shafts are rotatably connected with supporting plates, the bottom ends of the far sides of multiple supporting plates are rotatably connected with rotating wheels, the top ends of the adjacent sides of multiple supporting plates are fixedly connected with rotating shafts, the adjacent sides of multiple rotating shafts are rotatably connected with lead screws, the thread directions of left two lead screws and right two lead screws are opposite, the adjacent sides of left two lead screws and right two lead screws are all screw-connected with adjusting sleeves, the front side of the top wall of left bracket plate is fixedly connected with welding machine, and the middle part of the bottom wall of left bracket plate is provided with length adjusting mechanism.

[0007] As a further description of the above technical scheme:

[0008] The length adjusting mechanism comprises a fixed plate, a plurality of fixed bolts are penetrated through the bottom wall left side of the fixed plate, the top ends of the plurality of fixed bolts are all threadedly connected to the bottom wall of the bracket plate, the top wall right side of the fixed plate is provided with a sliding groove at the front and rear ends, the bottom wall of the right bracket plate is fixedly connected with a concave plate at the middle part, the bottom wall of the concave plate is fixedly connected with adjusting nuts at the front and rear sides, and the top wall of the right bracket plate is penetrated through two adjusting bolts, and the bottom ends of the two adjusting bolts are all penetrated through the concave plate and are threadedly connected with the two adjusting nuts respectively.

[0009] As a further description of the above technical scheme:

[0010] The top wall left side rear end of the left bracket plate is fixedly connected with a wire reel, and the inner wall of the wire reel is provided with an extension cable.

[0011] As a further description of the above technical scheme:

[0012] The top ends of the two adjusting bolts are all fixedly connected with annular knobs, and the middle parts of the two annular knobs are all in a hollow state.

[0013] As a further description of the above technical scheme:

[0014] The top wall right side front and rear ends of the left bracket plate are all fixedly connected with handles, and the outer walls of the two handles are all adopted with a frosted process.

[0015] As a further description of the above technical scheme:

[0016] The left side of the left bracket plate is fixedly connected with a tow hook, and the top end of the tow hook is fixedly connected with a spherical lock.

[0017] As a further description of the above technical scheme:

[0018] The outer walls of the plurality of rotating wheels are all provided with anti-skid lines, and the outer walls of the plurality of rotating wheels are all adopted with an anti-skid process.

[0019] As a further description of the above technical scheme:

[0020] The top wall right side front and rear ends of the right bracket plate are all rotationally connected with lamp holders, and the inner walls of the two lamp holders are all rotationally connected with spotlight lamps.

[0021] The utility model has the advantages of:

[0022] 1、In the utility model, the rotating sleeve drives the support plate to open or shrink, the support plate is connected with the bracket plate through the rotating shaft, the rotating wheel can be adjusted at different angles on the inner wall of the pipe with different diameters, the bracket is convenient to move and adjust the position, a stable and adjustable platform is provided for the pipe welding, and the efficiency and quality are improved.

[0023] 2. The utility model discloses, through the recessed plate and fixed plate interlock, make adjusting nut and adjusting bolt threaded connection, need to extend the length of bracket, rotate adjusting bolt and make it move downward, push the recessed plate and slide right along the fixed plate top wall's sliding groove, realized accurate adjustment welding bracket length according to different pipeline length, provide flexible and applicable work platform. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The utility model discloses a welding bracket for welding in pipeline;

[0025] Figure 2 The utility model discloses a welding bracket for welding in pipeline;

[0026] Figure 3 The utility model discloses a welding bracket for welding in pipeline;

[0027] Figure 4 The utility model discloses a welding bracket for welding in pipeline;

[0028] Figure 5 The utility model discloses a welding bracket for welding in pipeline.

[0029] LEGEND:

[0030] 1, bracket plate, 2, length adjusting mechanism, 201, fixed plate, 202, fixed bolt, 203, sliding slot, 204, recessed plate, 205, adjusting nut, 206, adjusting bolt, 3, rotating shaft, 4, support plate, 5, rotating wheel, 6, rotating shaft, 7, screw rod, 8, adjusting sleeve, 9, welding machine, 10, reel, 11, extension cable, 12, annular knob, 13, handle, 14, drag hook, 15, spherical lock, 16, non-slip pattern, 17, lamp holder, 18, spotlight. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0032] REFERENCE Figure 1 , Figure 2 and Figure 3The utility model provides a kind of welding bracket for pipeline internal welding, including two bracket plates 1, the front and back sides of two bracket plates 1 are fixedly connected with rotating shaft 3, the outer wall of multiple rotating shaft 3 is rotatably connected with support plate 4, rotating shaft 3 makes support plate 4 can rotate around it, to adjust the angle of support plate 4, the outer wall of rotating shaft 3 is rotatably connected with support plate 4, support plate 4 provides mounting position for other components and plays the supporting effect, the bottom end of the side far from support plate 4 is rotatably connected with rotating wheel 5, rotating wheel 5 facilitates the whole welding bracket to move and adjust position in pipeline, the top end of the adjacent side of support plate 4 is fixedly connected with rotating shaft 6, rotating shaft 6 provides mounting and rotating support for screw rod 7, the adjacent side of rotating shaft 6 is rotatably connected with screw rod 7, screw rod 7 realizes the function of adjusting bracket width by cooperating with adjusting sleeve 8, the thread direction of left two screw rods 7 and right two screw rods 7 is opposite, such design makes that rotating adjusting sleeve 8 two sides screw rod 7 can move to opposite direction simultaneously, to accurately adjust bracket width, the adjacent between left two screw rods 7 and right two screw rods 7 is all threadedly connected with adjusting sleeve 8, adjusting sleeve 8 moves by rotating to drive screw rod 7, realizes the operation of adjusting bracket width, the top wall front side of left bracket plate 1 is fixedly connected with welder 9, welder 9 is used to carry out the welding operation in pipeline, the bottom wall middle part of left bracket plate 1 is provided with length adjusting mechanism 2, length adjusting mechanism 2 can adjust the length of welding bracket, to adapt to the pipeline welding demand of different lengths;

[0033] Specifically, in use, the welding bracket is placed inside the pipeline. The plurality of support plates 4 are connected to the bracket plates 1 by the rotating shafts 3, and the support plates 4 can rotate around the rotating shafts 3 to adjust the width of the whole bracket to adapt to pipelines of different diameters. The rotating wheels 5 at the bottom ends of the sides far from the support plates 4 can roll on the inner wall of the pipeline to facilitate the movement and position adjustment of the bracket in the pipeline. The rotating shafts 6 at the top ends of the adjacent sides of the support plates 4 are connected to the screw rods 7. The thread directions of the left two screw rods 7 and the right two screw rods 7 are opposite, and the screw rods 7 on the left and right sides are connected by the adjusting sleeves 8. When the adjusting sleeves 8 are rotated, the screw rods 7 on the two sides will move in opposite directions due to the opposite thread directions, thereby driving the support plates 4 to open or shrink, further accurately adjusting the distance and angle of the rotating wheels 5 to tightly fit the inner wall of the pipeline, ensuring the stability of the bracket in the pipeline. The welder 9 on the top wall of the left bracket plate 1 is used for welding operation, which can provide a stable and adjustable working platform for the welding in the pipeline, improving the welding efficiency and quality.

[0034] Reference Figure 4The length adjusting mechanism 2 comprises a fixed plate 201, a plurality of fixed bolts 202 are penetrated through the left side of the bottom wall of the fixed plate 201, the top ends of the plurality of fixed bolts 202 are threadedly connected to the bottom wall of the bracket plate 1, the fixed bolts 202 can serve as the connection between the fixed plate 201 and the bracket plate 1, the right side of the top wall of the fixed plate 201 is provided with a sliding groove 203 at the front and rear ends, the sliding groove 203 can be used for guiding sliding, the bottom wall of the right side of the bracket plate 1 is fixedly connected with a concave plate 204 at the middle, the concave plate 204 can provide a position for installing an adjusting nut 205, the bottom wall of the concave plate 204 is fixedly connected with the adjusting nut 205 at the front and rear sides, the adjusting nut 205 can cooperate with an adjusting bolt 206 to realize length adjustment, the top wall of the right side of the bracket plate 1 is penetrated through with two adjusting bolts 206, the bottom ends of the two adjusting bolts 206 are penetrated through the concave plate 204 and are respectively threadedly connected with the two adjusting nuts 205, the adjusting bolt 206 can adjust the position of the bracket plate 1 by rotating to realize length adjustment;

[0035] Specifically, when it is necessary to adjust the length of the welding bracket to adapt to different lengths of the pipeline, the fixed plate 201 is fixed on the bottom wall of the left side of the bracket plate 1 by operating the fixed bolt 202, so as to ensure the stability of the fixed plate 201, the concave plate 204 at the middle of the bottom wall of the right side of the bracket plate 1 is used in cooperation with the fixed plate 201, the adjusting nut 205 at the front and rear sides of the bottom wall of the concave plate 204 is threadedly connected with the adjusting bolt 206 penetrated through the top wall of the right side of the bracket plate 1, when it is necessary to lengthen the length of the bracket, the adjusting bolt 206 is rotated to move downward in the adjusting nut 205, so as to push the concave plate 204 to slide rightward on the fixed plate 201, since the sliding groove 203 is provided at the right side of the top wall of the fixed plate 201, the concave plate 204 can stably slide along the sliding groove 203, so as to realize the rightward movement of the right side of the bracket plate 1, thereby increasing the overall length of the welding bracket, conversely, when it is necessary to shorten the length of the bracket, the adjusting bolt 206 is reversely rotated to move upward, so as to pull the concave plate 204 to slide leftward, the right side of the bracket plate 1 moves leftward, thereby reducing the length of the welding bracket, the length of the welding bracket can be accurately adjusted according to the length requirement of different pipelines, so as to provide a more flexible and applicable working platform for welding in the pipeline.

[0036] Reference Figure 1 and Figure 2The top wall of the left bracket plate 1 is fixedly connected with a wire reel 10 at the left rear end, the wire reel 10 can be used for storing an extension cable 11, the inner wall of the wire reel 10 is provided with the extension cable 11, the extension cable 11 can provide a longer connection distance, the top end of each of the two adjusting bolts 206 is fixedly connected with a ring-shaped knob 12, the ring-shaped knob 12 can conveniently rotate the adjusting bolt 206, the middle part of each of the two ring-shaped knobs 12 is in a hollow state, the hollow state can reduce the weight or be used for other purposes such as rope threading, and the top wall of the left bracket plate 1 is fixedly connected with a handle 13 at the right front and rear ends, the handle 13 can facilitate carrying of the bracket plate 1, and the outer wall of each of the two handles 13 is treated by a frosted process, so that the friction is increased and the handle is convenient to hold;

[0037] Specifically, the wire reel 10 can neatly store the extension cable 11, avoiding messy entanglement of the cable during use, the extension cable 11 can provide power connection for the equipment, so that the equipment can work in a position away from the power supply, the ring-shaped knob 12 is fixed at the top end of the adjusting bolt 206, providing a convenient operation position for the operator to adjust the adjusting bolt 206, and the handle 13 is treated by a frosted process, so that the friction is increased and the handle is convenient to hold.

[0038] Referring to Figure 1 and Figure 5 The left side of the left bracket plate 1 is fixedly connected with a tow hook 14, the tow hook 14 can be used for connecting an external traction device, the top end of the tow hook 14 is fixedly connected with a spherical lock 15, the spherical lock 15 can prevent the tow hook 14 from being accidentally loosened, the outer wall of each of the plurality of rotating wheels 5 is provided with anti-skid lines 16, the anti-skid lines 16 can increase the friction between the rotating wheel 5 and the ground to prevent sliding, and the outer wall of each of the plurality of rotating wheels 5 is treated by an anti-skid process, so that the anti-skid performance of the rotating wheel 5 is further improved, and the top wall of the right bracket plate 1 is rotatably connected with a lamp holder 17 at the right front and rear ends, the lamp holder 17 can adjust the irradiation angle of a spotlight 18, and the inner wall of each of the two lamp holders 17 is rotatably connected with the spotlight 18, so that the spotlight 18 can provide illumination when the light is insufficient;

[0039] Specifically, the tow hook 14 can conveniently connect a traction device or a rope, so as to facilitate traction of the equipment to different working positions, the spherical lock 15 can play a locking role after connecting the traction device, preventing the tow hook 14 from being accidentally detached during traction, the anti-skid lines 16 and the anti-skid process on the outer wall of the rotating wheel 5 can increase the friction with the ground or other contact surfaces, ensuring the stability of the equipment during movement, and the lamp holder 17 can be rotated, so that the spotlight 18 can adjust the irradiation angle.

[0040] Working principle: in use, the welding bracket is placed inside the pipe. A plurality of support plates 4 are connected to the bracket plate 1 through the rotating shaft 3, and the support plates 4 can rotate around the rotating shaft 3 to adjust the width of the entire bracket to adapt to pipes of different diameters. The rotating wheels 5 at the bottom end of the side away from the support plates 4 can roll on the inner wall of the pipe, facilitating the movement and position adjustment of the bracket in the pipe. The rotating shaft 6 at the top end of the adjacent side of the support plates 4 is connected to the lead screw 7, and the threads of the two lead screws 7 on the left and the two lead screws 7 on the right are opposite. By adjusting the sleeve 8 connecting the lead screws 7 on the left and the right, when the sleeve 8 is rotated, the lead screws 7 on the left and the right will move in opposite directions due to the opposite threads, thereby driving the support plates 4 to open or shrink, further accurately adjusting the distance and angle of the rotating wheels 5, so that they are tightly fitted with the inner wall of the pipe, ensuring the stability of the bracket in the pipe. The welding machine 9 on the top wall of the left bracket plate 1 is used for welding operation.

[0041] When it is necessary to adjust the length of the welding bracket to adapt to pipes of different lengths, the fixed plate 201 is fixed on the bottom wall of the left bracket plate 1 by operating the fixing bolt 202, ensuring the stability of the fixed plate 201. The concave plate 204 in the middle of the bottom wall of the right bracket plate 1 is used in cooperation with the fixed plate 201. The adjusting nuts 205 on the front and rear sides of the bottom wall of the concave plate 204 are threadedly connected with the adjusting bolts 206 penetrating through the top wall of the right bracket plate 1. When it is necessary to lengthen the bracket, the adjusting bolts 206 are rotated to move downward in the adjusting nuts 205, thereby pushing the concave plate 204 to slide to the right on the fixed plate 201. Since the sliding grooves 203 are formed in the top wall of the right side of the fixed plate 201, the concave plate 204 can smoothly slide along the sliding grooves 203, realizing the rightward movement of the right bracket plate 1, thereby increasing the overall length of the welding bracket. Conversely, when it is necessary to shorten the length of the bracket, the adjusting bolts 206 are rotated in the opposite direction to move upward, pulling the concave plate 204 to slide to the left, and the right bracket plate 1 moves to the left, reducing the length of the welding bracket.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the scope of the present application shall be included in the protection scope of the present application.

Claims

1. Welding carriage for welding in pipes, comprising two carriage plates (1), characterised in that: The front and rear sides of two bracket plates (1) are fixedly connected with rotating shafts (3), the outer walls of multiple rotating shafts (3) are rotationally connected with support plates (4), the bottom ends of the sides away from each other of multiple support plates (4) are rotationally connected with rotating wheels (5), the top ends of the adjacent sides of multiple support plates (4) are fixedly connected with rotating shafts (6), the adjacent sides of multiple rotating shafts (6) are rotationally connected with lead screws (7), the thread directions of the left two lead screws (7) and the right two lead screws (7) are opposite, the adjacent lead screws (7) are threadedly connected with adjusting sleeves (8), the front side of the top wall of the left bracket plate (1) is fixedly connected with a welding machine (9), the middle part of the bottom wall of the left bracket plate (1) is provided with a length adjusting mechanism (2), and the length adjusting mechanism (2) is used to adjust the length of the bracket plate (1).

2. The welding carriage for in-ditch welding of claim 1, wherein: The length adjusting mechanism (2) comprises a fixed plate (201), a plurality of fixed bolts (202) are penetratingly arranged on the bottom wall of the left side of the fixed plate (201), the top ends of the fixed bolts (202) are threadedly connected with the bottom wall of the bracket plate (1), the top wall of the fixed plate (201) is provided with a sliding groove (203) on the right side of the front and rear ends, the bottom wall of the right bracket plate (1) is fixedly connected with a concave plate (204), the bottom wall of the concave plate (204) is fixedly connected with adjusting nuts (205) on the front and rear sides, the top wall of the right bracket plate (1) is penetratingly arranged with two adjusting bolts (206), the bottom ends of the two adjusting bolts (206) are penetratingly arranged with the concave plate (204) and are threadedly connected with the two adjusting nuts (205) respectively.

3. The welding carriage for in-dock welding of claim 1, wherein: The top wall of the left bracket plate (1) is fixedly connected with a wire reel (10) on the left side of the rear end, and the inner wall of the wire reel (10) is provided with an extension cable (11).

4. The welding carriage for in-dock welding of claim 2, wherein: The top ends of the two adjusting bolts (206) are fixedly connected with annular knobs (12), and the middle parts of the two annular knobs (12) are in a hollow state.

5. The welding carriage for in-dock welding of claim 1, wherein: The top wall of the left bracket plate (1) is fixedly connected with handles (13) on the right side of the front and rear ends, and the outer walls of the two handles (13) are subjected to a frosted process.

6. The welding carriage for in-dock welding of claim 1, wherein: The left side of the left bracket plate (1) is fixedly connected with a tow hook (14), and the top end of the tow hook (14) is fixedly connected with a spherical lock (15).

7. The welding carriage for in-dock welding of claim 1, wherein: The outer walls of multiple rotating wheels (5) are provided with anti-skid lines (16), and the outer walls of multiple rotating wheels (5) are subjected to an anti-skid process.

8. The welding carriage for in-dock welding of claim 1, wherein: The top wall of the right bracket plate (1) is rotationally connected with lamp holders (17) on the right side of the front and rear ends, and the inner walls of the two lamp holders (17) are rotationally connected with spotlight lamps (18).

Images