Spiral steel pipe welding positioning device

Abstract

The utility model discloses a spiral steel pipe welding positioning device which comprises a sleeve, a lantern ring is rotatably connected to the outer surface of the sleeve, a through groove is formed in the lantern ring, a cavity is formed in the lantern ring, a gear ring is slidably connected to the interior of the cavity, and a supporting rod is fixedly connected to the outer surface of the lantern ring. A base is fixedly connected to the lower surface of the supporting rod, a supporting block is fixedly connected to the upper surface of the base, a two-way motor is fixedly connected to the interior of the supporting block, the two-way motor is started to drive a rotating shaft to rotate, the rotating shaft rotates to drive a gear to rotate, and the gear rotates to drive a gear ring to rotate in a lantern ring; the gear ring rotates to drive the sleeve to rotate, the sleeve rotates to drive the fixed spiral steel pipe to rotate, the gear ring and the interior of the lantern ring slide to prevent the sleeve from moving front and back, the effect of multi-angle welding of the spiral steel pipe is achieved, and the effects of positioning times, operation efficiency improvement and sustainable welding are further achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of spiral steel pipe welding, in particular to a spiral steel pipe welding positioning device. Background Art

[0002] Threaded steel pipe is a steel pipe with a threaded shape. It is widely used in many fields such as tap water engineering, petrochemical industry, chemical industry, electric power industry, agricultural irrigation and urban construction. During the production process, the strip steel undergoes multiple steps such as forming, welding, and testing to finally form a threaded steel pipe that meets the requirements. Among them, the steel pipe is easy to slide during welding, resulting in errors in the welding results. Therefore, a spiral steel pipe welding positioning device is required.

[0003] An existing spiral steel pipe welding positioning device rotates a threaded rod, and the rotation of the threaded rod drives the clamp to rise and fall, thereby controlling the clamp to fix the outer surface of the steel pipe. This fixing method is relatively stable, but it is difficult to weld the bottom of the steel pipe, and the steel pipe needs to be fixed multiple times, which reduces work efficiency and increases welding difficulty. After searching, it was found that the technical solution provided by the utility model with application number CN202321243750.2 also has the above-mentioned problems. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art and to provide a spiral steel pipe welding positioning device. When the spiral steel pipe is fixed, the bidirectional motor is started, the bidirectional motor drives the rotating shaft to rotate, the rotating shaft rotates the transmission gear, the gear rotation drives the gear ring to rotate inside the ring, the gear ring rotation drives the sleeve to rotate, the sleeve rotation drives the fixed spiral steel pipe to rotate, the internal sliding of the gear ring and the ring prevents the sleeve from moving back and forth, thereby achieving the effect of multi-angle welding of the spiral steel pipe, and also has the positioning number, improves the operating efficiency, and has the effect of sustainable welding.

[0005] The utility model also provides the above-mentioned spiral steel pipe welding positioning device, a sleeve, a first slide groove is provided inside the sleeve, a first slider is slidably connected inside the first slide groove, a trapezoidal slider is fixedly connected to the left end of the first slider, a clamping plate is fixedly connected to the lower surface of the trapezoidal slider, a guide slide groove is provided inside the guide slide groove, a connecting rod is fixedly connected to the side surface of the guide slider, an electric telescopic rod is fixedly connected to the left inner wall of the sleeve, and a connecting ring is fixedly connected to the right end of the electric telescopic rod;

[0006] The outer surface of the sleeve is rotatably connected to a ring, the interior of the ring is provided with a through groove, the interior of the ring is provided with a cavity, the interior of the cavity is slidably connected to a gear ring, the outer surface of the ring is fixedly connected to a support rod, the lower surface of the support rod is fixedly connected to a base, the upper surface of the base is fixedly connected to a support block, the interior of the support block is fixedly connected to a bidirectional motor, the output end of the bidirectional motor is fixedly connected to a rotating shaft, and the end of the rotating shaft is fixedly connected to a gear.

[0007] According to the spiral steel pipe welding positioning device, the gear ring and the gear are meshed with each other, and the inner surface of the gear ring is fixedly connected to the sleeve.

[0008] According to the spiral steel pipe welding positioning device, the interior of the support block is rotatably connected to the rotating shaft, and the number of the rotating shafts is two and distributed left and right.

[0009] According to the spiral steel pipe welding positioning device, the number of the clamping plates is three and they are distributed in a circular row. The end of the clamping plate away from the first slider is fixedly connected to a rubber layer. The right surface of the rubber layer is slidably connected to the sleeve. The high ductility of the rubber layer can effectively protect the clamped part and prevent the clamping force from being too large to damage the surface of the threaded steel pipe.

[0010] According to the spiral steel pipe welding positioning device, the right inner wall of the sleeve is slidably connected to the trapezoidal slider, and the right inner wall of the sleeve is slidably connected to the clamping plate.

[0011] According to the spiral steel pipe welding positioning device, the outer surface of the connecting ring is fixedly connected to the connecting rod, and the inclined surface of the trapezoidal slider is slidably connected to the connecting rod.

[0012] According to the spiral steel pipe welding positioning device, the number of the sleeves is two and they are distributed on the left and right, and the electric telescopic rod is electrically connected to an external power supply.

[0013] According to the spiral steel pipe welding positioning device, a tapered cylinder is fixedly connected to the left surface of the sleeve, and the tapered cylinder is used to guide the threaded steel pipe, making it easier to insert the threaded steel pipe into the interior of the sleeve.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is the overall structure diagram of a spiral steel pipe welding positioning device of the utility model;

[0017] Figure 2 This is a cross-sectional view of the overall structure of a spiral steel pipe welding positioning device of the present utility model;

[0018] Figure 3 This is a partial structural diagram of a spiral steel pipe welding positioning device of the utility model;

[0019] Figure 4 This is a structural diagram of a connecting ring of a spiral steel pipe welding positioning device of the present utility model.

[0020] Legend:

[0021] 1. Sleeve; 2. First slide; 3. First slider; 4. Trapezoidal slider; 5. Clamp; 6. Guide slide; 7. Guide slider; 8. Connecting rod; 9. Electric telescopic rod; 10. Connecting ring; 11. Sleeve; 12. Through groove; 13. Cavity; 14. Gear ring; 15. Support rod; 16. Base; 17. Support block; 18. Bidirectional motor; 19. Rotating shaft; 20. Gear; 21. Rubber layer; 22. Conical cylinder. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0023] Reference Figure 1-4 The embodiment of the present invention is a spiral steel pipe welding positioning device, which includes a sleeve 1, the number of sleeves 1 is two and they are distributed on the left and right, a first slide groove 2 is provided inside the sleeve 1, a first slider 3 is slidably connected inside the first slide groove 2, the left end of the first slider 3 is fixedly connected to a trapezoidal slider 4, the right inner wall of the sleeve 1 is slidably connected to the trapezoidal slider 4, the lower surface of the trapezoidal slider 4 is fixedly connected to a splint 5, the number of splints 5 is three and they are distributed in a circular row, the end of the splint 5 away from the first slider 3 is fixedly connected to a rubber layer 21, the rubber The right surface of the layer 21 is slidably connected to the sleeve 1, the right inner wall of the sleeve 1 is slidably connected to the splint 5, the interior of the trapezoidal slider 4 is provided with a guide slot 6, the interior of the guide slot 6 is provided with a guide slider 7, the side surface of the guide slider 7 is fixedly connected to a connecting rod 8, the inclined surface of the trapezoidal slider 4 is slidably connected to the connecting rod 8, the left inner wall of the sleeve 1 is fixedly connected to an electric telescopic rod 9, the electric telescopic rod 9 is electrically connected to an external power supply, the right end of the electric telescopic rod 9 is fixedly connected to a connecting ring 10, the outer surface of the connecting ring 10 is fixedly connected to the connecting rod 8,

[0024] The outer surface of the sleeve 1 is rotatably connected to a ring 11, a through groove 12 is provided inside the ring 11, a cavity 13 is provided inside the ring 11, a gear ring 14 is slidably connected inside the cavity 13, the gear ring 14 and the gear 20 are meshed with each other, the inner surface of the gear ring 14 is fixedly connected to the sleeve 1, the outer surface of the ring 11 is fixedly connected to a support rod 15, the lower surface of the support rod 15 is fixedly connected to a base 16, the upper surface of the base 16 is fixedly connected to a support block 17, the interior of the support block 17 is fixedly connected to a bidirectional motor 18, the output end of the bidirectional motor 18 is fixedly connected to a rotating shaft 19, the interior of the support block 17 is rotatably connected to the rotating shaft 19, there are two rotating shafts 19 and they are distributed left and right, the end of the rotating shaft 19 is fixedly connected to a gear 20, and the gear ring 14 and the gear 20 are meshed with each other.

[0025] Working principle: By passing the spiral steel pipe through the sleeve 1, starting the electric telescopic rod 9, the electric telescopic rod 9 drives the connecting ring 10 to slide, the sliding of the connecting ring 10 drives the connecting rod 8 to slide, and the sliding of the connecting rod 8 drives the guide slider 7 to slide. Because the guide slider 7 and the guide slide groove 6 are both inclined, the sliding of the guide slider 7 drives the trapezoidal slider 4 to slide, and the sliding of the trapezoidal slider 4 drives the splint 5 to fix the spiral steel pipe. When the spiral steel pipe is fixed, by starting the bidirectional motor 18, the bidirectional motor 18 drives the rotating shaft 19 to rotate, the rotating shaft 19 rotates the transmission gear 20 to rotate, the rotation of the gear 20 drives the ring gear 14 to rotate inside the ring 11, the rotation of the ring gear 14 drives the sleeve 1 to rotate, and the rotation of the sleeve 1 drives the fixed spiral steel pipe to rotate. The internal sliding of the ring gear 14 and the ring 10 prevents the sleeve 1 from moving back and forth, thereby achieving the effect of multi-angle welding of the spiral steel pipe. The left surface of the sleeve 1 is fixedly connected with a tapered cylinder 22.

[0026] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A spiral steel pipe welding positioning device, characterized in that: include: A sleeve (1), wherein a first slide groove (2) is provided inside the sleeve (1), a first slider (3) is slidably connected inside the first slide groove (2), a trapezoidal slider (4) is fixedly connected to the left end of the first slider (3), a clamping plate (5) is fixedly connected to the lower surface of the trapezoidal slider (4), a guide slide groove (6) is provided inside the trapezoidal slider (4), a guide slider (7) is provided inside the guide slide groove (6), a connecting rod (8) is fixedly connected to the side surface of the guide slider (7), an electric telescopic rod (9) is fixedly connected to the left inner wall of the sleeve (1), and a connecting ring (10) is fixedly connected to the right end of the electric telescopic rod (9); The outer surface of the sleeve (1) is rotatably connected to a collar (11), a through groove (12) is provided inside the collar (11), a cavity (13) is provided inside the collar (11), a gear ring (14) is slidably connected inside the cavity (13), the outer surface of the collar (11) is fixedly connected to a support rod (15), the lower surface of the support rod (15) is fixedly connected to a base (16), the upper surface of the base (16) is fixedly connected to a support block (17), the interior of the support block (17) is fixedly connected to a bidirectional motor (18), the output end of the bidirectional motor (18) is fixedly connected to a rotating shaft (19), and the end of the rotating shaft (19) is fixedly connected to a gear (20).

2. A spiral steel pipe welding positioning device according to claim 1, characterized in that: The gear ring (14) and the gear (20) are meshed with each other, and the inner surface of the gear ring (14) is fixedly connected to the sleeve (1).

3. The spiral steel pipe welding positioning device according to claim 1, characterized in that: The interior of the support block (17) is rotatably connected to a rotating shaft (19), and the number of the rotating shafts (19) is two and they are distributed left and right.

4. The spiral steel pipe welding positioning device according to claim 1, characterized in that: The number of the clamping plates (5) is three and they are distributed in a circular row. One end of the clamping plate (5) away from the first slider (3) is fixedly connected to a rubber layer (21), and the right surface of the rubber layer (21) is slidably connected to the sleeve (1).

5. The spiral steel pipe welding positioning device according to claim 1, characterized in that: The right inner wall of the sleeve (1) is slidably connected to the trapezoidal slider (4), and the right inner wall of the sleeve (1) is slidably connected to the clamping plate (5).

6. The spiral steel pipe welding positioning device according to claim 1, characterized in that: The outer surface of the connecting ring (10) is fixedly connected to the connecting rod (8), and the inclined surface of the trapezoidal slider (4) is slidably connected to the connecting rod (8).

7. The spiral steel pipe welding positioning device according to claim 1, characterized in that: The number of the sleeves (1) is two and they are distributed on the left and right sides, and the electric telescopic rod (9) is electrically connected to an external power supply.

8. The spiral steel pipe welding positioning device according to claim 1, characterized in that: A conical cylinder (22) is fixedly connected to the left surface of the sleeve (1).

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