Welding structure for sealing of submerged-arc welding steel pipe

Abstract

The utility model relates to the technical field of steel pipe welding, in particular to a welding structure for sealing a submerged-arc welding steel pipe. According to the technical scheme, the warning device comprises a telescopic frame and a warning assembly arranged on the telescopic frame, the telescopic frame is provided with a material guiding assembly and a guiding assembly, the material guiding assembly comprises a supporting plate fixedly installed at one end of the telescopic frame, one side of the supporting plate is fixedly connected with a fixing cover through two fixing plates, and a fixing hopper is slidably installed on the inner side of the fixing cover; four tension springs are fixedly connected between the fixed hopper and the fixed cover, the four tension springs are located on the front side and the rear side of the fixed cover respectively, and the bottom of the fixed hopper is fixedly connected with a submerged arc welding head through a hose. Through mutual cooperation of the fixed cover, the fixed hopper, the tension spring, the shaping pipe and the guide pipe, detection is carried out and welding flux adding is prompted when welding flux is small, workers do not need to frequently observe the allowance of the welding flux, the welding wire can be conveniently guided, and the welding wire can be conveniently installed.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe welding, in particular to a welding structure for sealing a submerged arc welded steel pipe. Background Art

[0002] Steel pipes are used to transport fluids and powdered solids, exchange heat, and manufacture mechanical parts and containers. They are also an economical steel material. Steel pipes have a hollow cross-section and their length is much larger than their diameter or circumference. When steel pipes are butt-jointed, they need to be welded and sealed at the butt joints. When welding and sealing the butt joints of steel pipes, it is necessary to utilize the welding structure of submerged arc welding steel pipe sealing.

[0003] In the prior art, there are the following problems:

[0004] When welding steel pipes with a conventional submerged arc welding structure, the flux needs to be introduced into a storage hopper for storage, so that the storage hopper can continuously transport the flux to the submerged arc welding head for output. During welding, the flux in the storage hopper is lost quickly. When the flux in the storage hopper is less, it is not convenient to detect and prompt the operation. The staff needs to frequently observe the amount of flux in the storage hopper and add flux, which is troublesome to operate. At the same time, it is not convenient to shape and guide the welding wire, which makes the installation of the welding wire more troublesome. Utility Model Content

[0005] The utility model aims to provide a welding structure for sealing a submerged arc welded steel pipe to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a welding structure for sealing a submerged arc welded steel pipe, comprising a telescopic frame and a warning assembly arranged on the telescopic frame, the telescopic frame being provided with a material guide assembly and a guide assembly, the material guide assembly comprising a support plate fixedly mounted on one end of the telescopic frame, one side of the support plate being fixedly connected to a fixed cover through two fixing plates, a fixed bucket being slidably mounted on the inner side of the fixed cover, four tension springs being fixedly connected between the fixed bucket and the fixed cover, the four tension springs being respectively located at two on the front side and two on the rear side of the fixed cover, and the fixed bucket having a plurality of tension springs arranged on the front side and two on the rear side of the fixed cover. A submerged arc welding head is fixedly connected to the bottom through a hose, and the submerged arc welding head is fixedly installed on one side of the support plate, and the submerged arc welding head is located under the fixed plate. The guide assembly includes two groups of support rods fixedly installed on one side of the support plate, and the two groups of support rods are respectively located at the top and bottom of the fixed plate, and two conveying wheels are rotatably installed on the inner side of each group of support rods. A shaping tube is fixedly installed on the inner side of the two fixed plates, and the shaping tube is located on the inner side of the four conveying wheels. A guide tube is fixedly installed on one side of the support plate, and the guide tube is located at the bottom of the support rod and the bottom end of the guide tube extends into the submerged arc welding head.

[0007] The support plate can be moved left and right by extending the telescopic frame, so the position of the submerged arc welding head can be adjusted conveniently. One end of the welding wire is passed downward from the inner side of the two upper conveying wheels, so that one end of the welding wire extends downward through the shaping tube, and then the welding wire is passed from the inner side of the two lower conveying wheels, so that the welding wire can be extended into the guide tube, and the welding wire is conveyed into the submerged arc welding head through the guide tube. The welding wire can be conveyed by driving the conveying wheel to rotate. The flux is introduced into the fixed bucket. When the amount of flux in the fixed bucket reaches half of the capacity of the fixed bucket, the fixed bucket can be pressed to slide downward, and the tension spring can be stretched, so that the fixed bucket and the fixed cover can store more flux. The flux in the fixed bucket can be introduced into the submerged arc welding head through the hose, and the steel pipe can be sealed and welded. During submerged arc welding, the flux in the fixed bucket gradually loses. When the flux in the fixed bucket loses more than half, the tension spring drives the fixed bucket to move upward and reset. The prompt operation can be automatically performed, and the staff does not need to frequently observe the flux residue. When the flux is less, the detection is performed and the addition of flux is prompted.

[0008] Preferably, the warning assembly includes a warning light fixedly mounted on the top of the fixed cover, a controller fixedly mounted on the front side of the fixed bucket, the controller is located below the fixed cover, a fixed block is fixedly connected to the front side of the fixed cover, and the fixed block is located above the controller. When the fixed block contacts the controller, the warning light can be triggered to flash, which can conveniently remind the staff to add flux.

[0009] Preferably, a support platform is fixedly installed on the top of the support plate, and two shaft frames are fixedly connected to the top of the support platform. The support platform can support the shaft seat, and the welding wire reel can be installed and fixed by the shaft seat, and the welding wire reel can be rotated at the same time.

[0010] Preferably, a mounting seat is fixedly installed at the top and bottom of one end of the telescopic frame, and the submerged arc welding head is fixedly connected to the support plate through a fixing sleeve. The telescopic frame can be fixed to a suitable position of the welding device through the mounting seat, and the submerged arc welding head can be fixed to the support plate through the fixing sleeve.

[0011] Preferably, the guide tube and the support plate, and the shaping tube and the fixing plate are fixed by a plurality of support sleeves, and the tops of the guide tube and the shaping tube are fixedly mounted with guide covers, and each guide cover is located below a group of support rods. The shaping tube and the guide tube can be fixed by the support sleeves, and the welding wire can be guided into the shaping tube or the guide tube by the guide covers.

[0012] Preferably, the fixed bucket and the fixed cover are slidably installed through a slide groove, a motor is fixedly installed on the front side of the two groups of support rods, and the output end of each motor extends to the inner side of the support rod and is fixedly connected to the axis of a conveying wheel. The slide groove can facilitate the fixed bucket to slide up and down along the fixed cover, and the motor can drive the conveying wheel to rotate to convey the welding wire.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] By setting the fixed cover, fixed bucket, tension spring, shaping tube and guide tube to cooperate with each other, the flux is introduced into the fixed bucket. When the amount of flux in the fixed bucket reaches half of the capacity of the fixed bucket, the fixed bucket can be pressed to slide downward to stretch the tension spring, so that the controller is separated from the fixed block, so that the fixed bucket and the fixed cover can store more flux, and the flux in the fixed bucket is gradually lost during submerged arc welding of the steel pipe. When the flux in the fixed bucket is lost by more than half, the tension spring drives the fixed bucket to move upward and reset, so that the fixed block contacts the controller to trigger the warning light to flash. When the flux is less, it is detected and prompted to add flux. There is no need for the staff to frequently observe the residual flux. The welding wire is passed through the inner side of the two upper conveying wheels, the welding wire is extended downward through the shaping tube through the guide cover, and then the welding wire is passed through the two lower conveying wheels, and then the welding wire is extended into the guide tube through the guide cover, which can conveniently guide the welding wire and facilitate the installation of the welding wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the support plate structure of the utility model;

[0017] Figure 3 For the utility model Figure 2 The enlarged structural diagram of part A in the middle;

[0018] Figure 4 It is a schematic diagram of the cutaway structure of the fixed bucket of the utility model.

[0019] In the figure: 1. telescopic frame; 2. mounting seat; 3. support plate; 4. fixing plate; 5. support rod; 6. support platform; 7. axle frame; 8. support sleeve; 9. guide tube; 10. fixing cover; 11. warning light; 12. fixing bucket; 13. tension spring; 14. hose; 15. fixing sleeve; 16. submerged arc welding head; 17. shaping tube; 18. conveying wheel; 19. motor; 20. guide cover; 21. slide chute; 22. controller; 23. fixing block. DETAILED DESCRIPTION

[0020] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0021] The utility model provides Figure 1-4 The welding structure of a submerged arc welding steel pipe sealing shown in the figure comprises a telescopic frame 1 and a warning component arranged on the telescopic frame 1, the telescopic frame 1 is provided with a material guide component and a guide component, the material guide component comprises a support plate 3 fixedly installed at one end of the telescopic frame 1, one side of the support plate 3 is fixedly connected to a fixed cover 10 through two fixed plates 4, a fixed bucket 12 is slidably installed on the inner side of the fixed cover 10, four tension springs 13 are fixedly connected between the fixed bucket 12 and the fixed cover 10, the four tension springs 13 are respectively located at the front side and the rear side of the fixed cover 10, and the bottom of the fixed bucket 12 is fixedly connected to the fixed cover 10 through a hose 14. A submerged arc welding head 16 is connected, the submerged arc welding head 16 is fixedly installed on one side of the support plate 3, the submerged arc welding head 16 is located below the fixed plate 4, the guide assembly includes two groups of support rods 5 fixedly installed on one side of the support plate 3, the two groups of support rods 5 are respectively located at the top and bottom of the fixed plate 4, two conveying wheels 18 are rotatably installed on the inner side of each group of support rods 5, a shaping tube 17 is fixedly installed on the inner side of the two fixed plates 4, the shaping tube 17 is located on the inner side of the four conveying wheels 18, a guide tube 9 is fixedly installed on one side of the support plate 3, the guide tube 9 is located at the bottom of the support rod 5 and the bottom end of the guide tube 9 extends into the submerged arc welding head 16;

[0022] The warning component includes a warning light 11 fixedly mounted on the top of the fixed cover 10, a controller 22 is fixedly mounted on the front side of the fixed bucket 12, the controller 22 is located below the fixed cover 10, and a fixed block 23 is fixedly connected to the front side of the fixed cover 10, and the fixed block 23 is located above the controller 22;

[0023] A support platform 6 is fixedly installed on the top of the support plate 3, and two shaft frames 7 are fixedly connected to the top of the support platform 6;

[0024] A mounting seat 2 is fixedly mounted on the top and bottom of one end of the telescopic frame 1, and a submerged arc welding head 16 is fixedly connected to the support plate 3 via a fixing sleeve 15;

[0025] The guide tube 9 and the support plate 3 as well as the shaping tube 17 and the fixing plate 4 are fixed by a plurality of support sleeves 8. A guide cover 20 is fixedly installed on the top of the guide tube 9 and the shaping tube 17. Each guide cover 20 is located below a group of support rods 5.

[0026] The fixed bucket 12 and the fixed cover 10 are slidably installed through a slide groove 21. A motor 19 is fixedly installed on the front side of the two groups of support rods 5. The output end of each motor 19 extends to the inside of the support rod 5 and is fixedly connected to the axis of a conveying wheel 18.

[0027] The working principle of the welding structure for sealing the submerged arc welding steel pipe according to the embodiment is as follows: the telescopic frame 1 can be installed and fixed at a suitable position by the mounting seat 2, the support plate 3 can be moved left and right by the telescopic frame 1, and the position of the submerged arc welding head 16 can be conveniently adjusted, and the welding wire reel can be conveniently rotated by fixing the welding wire reel on the inner side of the shaft frame 7 using the shaft frame 7;

[0028] One end of the welding wire is passed downward from the inner side of the two upper conveying wheels 18, so that one end of the welding wire is extended into the shaping tube 17 through the guide cover 20, so that the welding wire is shaped and straightened through the shaping tube 17, and then the welding wire is extended from the bottom of the shaping tube 17, and then the welding wire is passed through the inner side of the two lower conveying wheels 18, and the guide cover 20 is used to guide the welding wire, so that the welding wire is extended into the guide tube 9, and the guide tube 9 conveys the welding wire into the submerged arc welding head 16, and the motor 19 is started to drive the conveying wheel 18 to rotate, so that the welding wire can be conveyed;

[0029] By introducing the flux into the fixed bucket 12, when the amount of flux in the fixed bucket 12 reaches half of the capacity of the fixed bucket 12, the fixed bucket 12 can be pressed to slide downward, so that the controller 22 is separated from the fixed block 23, and the tension spring 13 can be stretched, so that the fixed bucket 12 and the fixed cover 10 can store more flux, and the flux in the fixed bucket 12 can be introduced into the submerged arc welding head 16 through the hose 14, so that the steel pipe can be sealed and welded;

[0030] During submerged arc welding, the flux in the fixed bucket 12 is gradually lost. When more than half of the flux in the fixed bucket 12 is lost, the tension spring 13 drives the fixed bucket 12 to move upward and reset, so that the fixed block 23 contacts the controller 22, which can trigger the warning light 11 to flash to prompt the operation. There is no need for the staff to frequently observe the remaining flux. When the flux is less, it will be detected and prompted to add flux.

[0031] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A welding structure for sealing a submerged arc welded steel pipe, comprising a telescopic frame (1) and a warning component arranged on the telescopic frame (1), characterized in that: The telescopic frame (1) is provided with a material guiding component and a guide component; The material guide assembly comprises a support plate (3) fixedly mounted on one end of the telescopic frame (1); one side of the support plate (3) is fixedly connected to a fixed cover (10) via two fixed plates (4); a fixed bucket (12) is slidably mounted on the inner side of the fixed cover (10); four tension springs (13) are fixedly connected between the fixed bucket (12) and the fixed cover (10); two of the four tension springs (13) are respectively located on the front side and two on the rear side of the fixed cover (10); a submerged arc welding head (16) is fixedly connected to the bottom of the fixed bucket (12) via a hose (14); the submerged arc welding head (16) is fixedly mounted on one side of the support plate (3); and the submerged arc welding head (16) is located below the fixed plate (4); The guide assembly comprises two groups of support rods (5) fixedly mounted on one side of the support plate (3), the two groups of support rods (5) being respectively located at the top and the bottom of the fixed plate (4), two conveying wheels (18) being rotatably mounted on the inner side of each group of support rods (5), shaping tubes (17) being fixedly mounted on the inner sides of the two fixed plates (4), the shaping tubes (17) being located on the inner sides of the four conveying wheels (18), and a guide tube (9) being fixedly mounted on one side of the support plate (3), the guide tube (9) being located at the bottom of the support rod (5) and the bottom end of the guide tube (9) extending into the submerged arc welding head (16).

2. The welding structure for sealing a submerged arc welded steel pipe according to claim 1, characterized in that: The warning component comprises a warning light (11) fixedly mounted on the top of a fixed cover (10); a controller (22) is fixedly mounted on the front side of the fixed bucket (12); the controller (22) is located below the fixed cover (10); a fixed block (23) is fixedly connected to the front side of the fixed cover (10); and the fixed block (23) is located above the controller (22).

3. The welding structure for sealing a submerged arc welded steel pipe according to claim 1, characterized in that: A support platform (6) is fixedly mounted on the top of the support plate (3), and two shaft frames (7) are fixedly connected to the top of the support platform (6).

4. The welding structure for sealing a submerged arc welded steel pipe according to claim 1, characterized in that: A mounting seat (2) is fixedly mounted on the top and bottom of one end of the telescopic frame (1), and the submerged arc welding head (16) and the support plate (3) are fixedly connected via a fixing sleeve (15).

5. The welding structure for sealing a submerged arc welded steel pipe according to claim 1, characterized in that: The guide tube (9) and the support plate (3) as well as the shaping tube (17) and the fixed plate (4) are fixed by a plurality of support sleeves (8); guide covers (20) are fixedly mounted on the tops of the guide tube (9) and the shaping tube (17); each guide cover (20) is located below a group of support rods (5).

6. The welding structure for sealing a submerged arc welded steel pipe according to claim 1, characterized in that: The fixed bucket (12) and the fixed cover (10) are slidably mounted via a slide groove (21), and a motor (19) is fixedly mounted on the front side of the two groups of support rods (5), and the output end of each motor (19) extends to the inner side of the support rod (5) and is fixedly connected to the axis of a conveying wheel (18).

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