Internal cooling device for large-diameter seamless steel pipe

Abstract

The utility model discloses an internal cooling device of a large-diameter seamless steel pipe, and relates to the technical field of internal cooling devices. Comprising a support frame; a clamping structure; the outer wall of the cooling structure is fixedly connected with the outer wall of the supporting frame, and the bottom of the cooling structure is fixedly connected with a collecting structure; the cooling structure comprises a rotating motor, the outer wall of the rotating motor is fixedly connected with a fixing frame, an output shaft of the rotating motor is fixedly connected with a cam, the outer wall of the cam is rotatably connected with a connecting rod, a spray head is arranged at the bottom of the connecting rod, and the outer wall of the fixing frame is fixedly connected with a water tank. The bottom of the water tank is fixedly connected with a water pump, a rotating motor in the cooling structure drives a cam to rotate, then a connecting rod drives a spray head to move up and down, cooling liquid is evenly sprayed into the steel pipe, and the dynamic spraying mode effectively avoids the problem of uneven local cooling.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of internal cooling device, concretely relates to an internal cooling device of large diameter seamless steel pipe. BACKGROUND

[0002] In the modern industrial field, as a key basic material, large diameter seamless steel pipe is widely used in petroleum transportation, natural gas pipeline, large building structure and mechanical manufacturing and many important industries, with the rapid development of various industries, the cooling link is crucial in the production and processing of large diameter seamless steel pipe. With the continuous development of industrial technology, the quality and performance requirements of large diameter seamless steel pipe are increasing, and the traditional cooling method gradually exposes many shortcomings, and the traditional cooling process often cannot ensure the uniform cooling of the internal large diameter seamless steel pipe, which is easy to cause the heat stress concentration phenomenon in the internal steel pipe, which not only reduces the mechanical properties of the steel pipe, such as strength, toughness, etc., but also may cause the quality problems of steel pipe deformation, cracking, etc., which seriously affects the product qualification rate and production efficiency. In view of the above, in order to solve the above problems, reduce the loss, the utility model emerges as the times require. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model solves its technical problems by adopting the following technical scheme: an internal cooling device of large diameter seamless steel pipe, comprising: a support frame; a clamping structure, the outer wall of the clamping structure is fixedly connected with the outer wall of the support frame; a cooling structure, the outer wall of the cooling structure is fixedly connected with the outer wall of the support frame, and the bottom of the cooling structure is fixedly connected with a collecting structure; the cooling structure comprises a rotating motor, the outer wall of the rotating motor is fixedly connected with a fixed frame, the output shaft of the rotating motor is fixedly connected with a cam, the outer wall of the cam is rotatably connected with a connecting rod, the bottom of the connecting rod is provided with a spray head, the outer wall of the fixed frame is fixedly connected with a water tank, and the bottom of the water tank is fixedly connected with a water pump; the rotating motor drives the cam to rotate in the cooling structure, so that the connecting rod drives the spray head to move up and down, and the internal steel pipe is uniformly sprayed with cooling liquid; the rotating motor drives the cam to rotate in the cooling structure, so that the connecting rod drives the spray head to move up and down, and the internal steel pipe is uniformly sprayed with cooling liquid.

[0004] Preferably, the outer wall of the connecting rod is slidably connected with the inner wall of the fixed frame, and the outer wall of the fixed frame is fixedly connected with the outer wall of the support frame.

[0005] Preferably, the collecting structure comprises a water collecting box, the inner wall of the water collecting box is slidably connected with a filter plate, and the outer wall of the water collecting box is fixedly connected with a water delivery pipe.

[0006] Preferably, the bottom of the water collecting box is fixedly connected with the top of the support frame, and the outer wall of the water delivery pipe is fixedly connected with the outer wall of the water pump.

[0007] Preferably, the clamping structure includes a drive motor, a clamping frame is fixedly connected to the outer wall of the drive motor, a bidirectional lead screw is rotatably connected to the inner wall of the clamping frame, a slider is threadedly connected to the outer wall of the bidirectional lead screw, and a clamping block is fixedly connected to the outer wall of the slider.

[0008] Preferably, the outer wall of the bidirectional lead screw is fixedly connected to the output shaft of the drive motor, and the outer wall of the clamping frame is fixedly connected to the outer wall of the support frame. The clamping structure is ingeniously designed. The drive motor drives the bidirectional lead screw to rotate, so that the slider drives the clamping block to achieve a stable clamping of the steel pipe. This structure can adapt to large-diameter seamless steel pipes of different diameters.

[0009] The beneficial effects of this utility model are as follows:

[0010] 1. This utility model, by setting up a cooling structure, in which a rotating motor drives a cam to rotate, which in turn causes a connecting rod to move the nozzle up and down, uniformly spraying coolant into the steel pipe. This dynamic spraying method effectively avoids the problem of uneven local cooling, makes the internal temperature distribution of the steel pipe more uniform, significantly reduces the phenomenon of thermal stress concentration, thereby ensuring that the mechanical properties of the steel pipe, such as strength and toughness, remain at a high level, and improves product quality.

[0011] 2. This utility model features a cleverly designed clamping structure. The drive motor rotates a bidirectional lead screw, which in turn causes the slider to move the clamping block to securely hold the steel pipe. This structure is adaptable to large-diameter seamless steel pipes of different diameters, making it highly versatile. It is also easy to operate, allowing for quick and accurate fixing and loosening of the steel pipe, facilitating efficient switching of different specifications of steel pipes for cooling operations on the production line. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the clamping structure of this utility model;

[0014] Figure 3 This is a schematic diagram of the cooling structure of this utility model;

[0015] Figure 4 This is a schematic diagram of the collecting structure of this utility model.

[0016] In the diagram: 1. Support frame; 2. Clamping structure; 3. Cooling structure; 4. Collection structure; 21. Drive motor; 22. Clamping frame; 23. Two-way lead screw; 24. Slider; 25. Clamping block; 31. Rotating motor; 32. Cam; 33. Connecting rod; 34. Fixing frame; 35. Water tank; 36. Water pump; 41. Water collection box; 42. Filter plate; 43. Water supply pipe. DETAILED DESCRIPTION

[0017] The embodiments of the present application will be described in further detail below with reference to the drawings and specific embodiments. The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application for various embodiments with various modifications as are suited to the particular use contemplated.

[0018] Embodiments:

[0019] Please refer to Figure 1 - Figure 4 The utility model provides a technical scheme: a kind of large-diameter seamless steel pipe's internal cooling device, comprising: support frame 1;Clamping structure 2, the outer wall of clamping structure 2 is fixedly connected with the outer wall of support frame 1;Cooling structure 3, the outer wall of cooling structure 3 is fixedly connected with the outer wall of support frame 1, the bottom of cooling structure 3 is fixedly connected with collection structure 4;Cooling structure 3 includes rotating motor 31, the outer wall of rotating motor 31 is fixedly connected with fixed frame 34, the output shaft of rotating motor 31 is fixedly connected with cam 32, the outer wall of cam 32 is rotatably connected with connecting rod 33, the bottom of connecting rod 33 is provided with spray head, the outer wall of fixed frame 34 is fixedly connected with water tank 35, the bottom of water tank 35 is fixedly connected with water pump 36, when using, cooling structure 3 is the core part of device realization cooling function, rotating motor 31 starts, rotating motor 31 is stably fixed by fixed frame 34, its output shaft drives cam 32 to rotate, cam 32 forms rotatable connection with connecting rod 33 in rotating process, so that connecting rod 33 slides up and down along the inner wall of fixed frame 34 under external force driving, the spray head of the bottom of connecting rod 33 moves up and down synchronously, while water tank 35 stores coolant, in the process of moving up and down, spray head is evenly sprayed with coolant to the inside of steel pipe, coolant absorbs heat of steel pipe to realize cooling, and the coolant after spraying flows down along the inner wall of steel pipe.

[0020] The outer wall of connecting rod 33 is slidably connected with the inner wall of fixed frame 34, and the outer wall of fixed frame 34 is fixedly connected with the outer wall of support frame 1.

[0021] The collection structure 4 includes a water collecting box 41, and a filter plate 42 is slidably connected to the inner wall of the water collecting box 41.

[0022] The bottom of the water collecting box 41 is fixedly connected with the top of the support frame 1, the outer wall of the water conveying pipe 43 is fixedly connected with the outer wall of the water pump 36, the collecting structure 4 is responsible for recycling the cooling liquid, the flowing cooling liquid flows into the water collecting box 41, the water collecting box 41 is fixed on the top of the support frame 1 and is just in place to receive the cooling liquid, the filter plate 42 slidably connected with the inner wall of the water collecting box 41 can intercept impurities in the cooling liquid, so as to prevent the impurities from flowing back and damaging the water pump 36 and the like, the filtered cooling liquid flows back to the water pump 36 through the water conveying pipe 43, and the water pump 36 can convey the cooling liquid back to the water tank 35, so that the cooling liquid is recycled, the continuous and stable cooling operation is ensured, and the resource loss is reduced.

[0023] The clamping structure 2 comprises a driving motor 21, the outer wall of the driving motor 21 is fixedly connected with a clamping frame 22, the inner wall of the clamping frame 22 is rotationally connected with a bidirectional screw rod 23, the outer wall of the bidirectional screw rod 23 is threadedly connected with a sliding block 24, and the outer wall of the sliding block 24 is fixedly connected with a clamping block 25.

[0024] The outer wall of the bidirectional screw rod 23 is fixedly connected with the output shaft of the driving motor 21, and the outer wall of the clamping frame 22 is fixedly connected with the outer wall of the support frame 1.

[0025] Working principle:

[0026] In use, the clamping structure 2 first plays a key role in fixing the steel pipe, the driving motor 21 is operated, because the output shaft thereof is fixedly connected with the bidirectional screw rod 23, the driving motor 21 is started to drive the bidirectional screw rod 23 to rotate on the clamping frame 22, the outer wall of the bidirectional screw rod 23 is threadedly connected with the sliding block 24, along with the rotation of the screw rod, the sliding block 24 moves towards or reverses along the bidirectional screw rod 23, and the clamping block 25 fixedly connected with the outer wall of the sliding block 24 moves synchronously, so that the large-diameter seamless steel pipe is stably clamped, and the subsequent cooling process can be smoothly carried out.

[0027] In use, the cooling structure 3 is the core part of the device to achieve the cooling function, the rotating motor 31 is started, the rotating motor 31 is stably fixed by the fixed frame 34, the output shaft drives the cam 32 to rotate, the cam 32 forms a rotating connection relationship with the connecting rod 33 in the rotating process, so that the connecting rod 33 slides up and down along the inner wall of the fixed frame 34 under the driving of external force, the nozzle at the bottom of the connecting rod 33 moves synchronously up and down, at the same time, the water tank 35 stores the cooling liquid, the nozzle sprays the cooling liquid uniformly into the steel pipe in the process of moving up and down, the cooling liquid absorbs the heat of the steel pipe to achieve cooling, and the sprayed cooling liquid flows down along the inner wall of the steel pipe.

[0028] The collecting structure 4 is responsible for recycling the cooling liquid, the flowing cooling liquid flows into the water collecting box 41, the water collecting box 41 is fixed on the top of the support frame 1, and the position is just right to receive the cooling liquid, the filter plate 42 slidingly connected to the inner wall of the water collecting box 41 can intercept impurities in the cooling liquid, prevent the impurities from flowing back to damage the water pump 36 and other equipment, and the filtered cooling liquid flows back to the water pump 36 through the water conveying pipe 43 again, and the water pump 36 can deliver the cooling liquid back to the water tank 35, so that the cooling liquid is recycled, the continuous and stable cooling operation is guaranteed, and the resource loss is reduced.

[0029] Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art and related fields without creative labor should belong to the protection scope of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model, such as without special description and limitation, are implemented according to the conventional means in the art.

Claims

1. An internal cooling device for a large-diameter seamless steel pipe, characterized by, Include: Support frame (1); Clamping structure (2), the outer wall of the clamping structure (2) is fixedly connected with the outer wall of the support frame (1); Cooling structure (3), the outer wall of the cooling structure (3) is fixedly connected with the outer wall of the support frame (1), and the bottom of the cooling structure (3) is fixedly connected with a collection structure (4); The cooling structure (3) comprises a rotating motor (31), the outer wall of the rotating motor (31) is fixedly connected with a fixing frame (34), the output shaft of the rotating motor (31) is fixedly connected with a cam (32), the outer wall of the cam (32) is rotatably connected with a connecting rod (33), the bottom of the connecting rod (33) is provided with a spray head, the outer wall of the fixing frame (34) is fixedly connected with a water tank (35), and the bottom of the water tank (35) is fixedly connected with a water pump (36).

2. A device for internal cooling of a large-diameter seamless steel pipe according to claim 1, characterized in that: The outer wall of the connecting rod (33) is slidably connected with the inner wall of the fixing frame (34), and the outer wall of the fixing frame (34) is fixedly connected with the outer wall of the support frame (1).

3. A device for internal cooling of a large-diameter seamless steel pipe according to claim 1, characterized in that: The collection structure (4) comprises a water collecting box (41), the inner wall of the water collecting box (41) is slidably connected with a filter plate (42), and the outer wall of the water collecting box (41) is fixedly connected with a water delivery pipe (43).

4. A device for internal cooling of a large-diameter seamless steel pipe according to claim 3, characterized in that: The bottom of the water collecting box (41) is fixedly connected with the top of the support frame (1), and the outer wall of the water delivery pipe (43) is fixedly connected with the outer wall of the water pump (36).

5. The apparatus for internal cooling of a large-diameter seamless steel pipe according to claim 1, characterized by: The clamping structure (2) comprises a driving motor (21), the outer wall of the driving motor (21) is fixedly connected with a clamping frame (22), the inner wall of the clamping frame (22) is rotatably connected with a bidirectional screw rod (23), the outer wall of the bidirectional screw rod (23) is threadedly connected with a sliding block (24), and the outer wall of the sliding block (24) is fixedly connected with a clamping block (25).

6. A device for internal cooling of a large-diameter seamless steel pipe according to claim 5, characterized in that: The outer wall of the bidirectional screw rod (23) is fixedly connected with the output shaft of the driving motor (21), and the outer wall of the clamping frame (22) is fixedly connected with the outer wall of the support frame (1).

Images