A melting hole device for the production of MPP power pipes

Abstract

This utility model discloses a melting device for producing MPP power pipes, belonging to the field of MPP power pipe processing. The melting device includes a rectangular box with clamping components at both ends of the top. A lifting mechanism for raising and lowering the clamping components is located inside the rectangular box. A vertical support plate is fixed inside the rectangular box, and a circular rotating tube is rotatably connected inside the vertical support plate. A vertical hydraulic cylinder is fixed inside the circular rotating tube. Through the clamping mechanism, the heating head can quickly adapt to the processing requirements of different pipe diameters, improving the equipment's versatility. It allows the power pipe to move laterally while clamped, facilitating rapid positioning during multi-hole processing. The second drive motor and the lifting mechanism enable free adjustment of the melting hole angle to meet the needs of oblique hole processing under different working conditions. The lifting mechanism can quickly adapt the optimal melting head spacing for different pipe diameters.

Description

Technical Field

[0001] This utility model relates to the field of MPP power pipe processing, and more specifically, to a melting hole device for MPP power pipe production. Background Technology

[0002] MPP power pipe is a protective pipe designed specifically for laying power cables. It has high strength, high temperature resistance, and corrosion resistance, and is suitable for various environments. It is mainly used for underground laying protection of power cables and is commonly used in urban power grid renovation, municipal construction, industrial parks and other projects. It is especially suitable for trenchless pipe jacking construction. For example, patent (CN218699593U) discloses an automatic melting device for the production of pressure-resistant MPP power tubes. By setting up an automatic melting device, the device avoids problems such as over-melting caused by subjective human factors that are easily affected by manual melting. The melting device uses a clamping component to clamp the MPP power tube, preventing the MPP power tube from shaking during melting and affecting the melting effect. The bottom conical heating tube can quickly separate from the power tube after melting, avoiding over-melting and subsequent shrinkage of the melting hole. The device uses a slag removal component to clean the inside of the heating tube with a sliding rod, which facilitates continuous use of the device. When using the above technology, the following technical problems were found in the existing technology: the welding head only supports vertical perforation, and special fixtures are required for processing oblique holes at special angles. The conversion takes a lot of time, and the height adjustment depends on the overall lifting, which cannot quickly adapt the optimal welding head spacing for different pipe diameters. To address these issues, we designed a welding device for the production of MPP power pipes to provide another technical solution for the above technical problems. Utility Model Content

[0003] 1. Technical problems to be solved In view of the problems existing in the prior art, the purpose of this utility model is to provide a melting hole device for the production of MPP power pipes. Through the setting of the clamping mechanism, the heating head can be quickly adapted to the processing requirements of different pipe diameters, improving the versatility of the equipment. Through the setting of the second drive motor and the lifting mechanism, the melting hole angle can be freely adjusted to meet the needs of oblique hole processing under different working conditions.

[0004] 2. Technical Solution

[0005] To solve the above problems, the present invention adopts the following technical solution.

[0006] A melting device for producing MPP power pipes includes a rectangular box, with clamping components at both ends of the top of the rectangular box, and a lifting mechanism for raising and lowering the clamping components inside the rectangular box. A vertical support plate is fixed inside the rectangular box. A circular rotating tube is rotatably connected inside the vertical support plate. A vertical hydraulic cylinder is fixed inside the circular rotating tube. An electric heating head is fixed at the output end of the vertical hydraulic cylinder.

[0007] Furthermore, a second drive motor is bolted to one end of the vertical support plate, and a drive gear is fixed to the output end of the second drive motor. The drive gear meshes with the circular rotating tube.

[0008] Furthermore, multiple gear slots are evenly distributed on the outer side of the circular rotating tube, and the driving gear is meshed with the circular rotating tube through the arrangement of the multiple gear slots.

[0009] Furthermore, the clamping assembly includes a lifting frame, with vertical connecting plates at both ends inside the lifting frame. An inclined clamping plate is fixed to the top and bottom of the vertical connecting plate. Multiple circular clamping wheels are evenly distributed inside the inclined clamping plate. Two first transverse hydraulic cylinders are provided at both ends inside the lifting frame, and the output ends of the first transverse hydraulic cylinders are fixedly connected to the vertical connecting plate.

[0010] Furthermore, a second transverse hydraulic cylinder is fixed at both ends inside the inclined clamping plate, and a rectangular clamping plate is fixed at the output end of the second transverse hydraulic cylinder.

[0011] Furthermore, the lifting mechanism includes two first drive motors. The first drive motors are bolted to both ends inside the rectangular box. A vertical threaded rod is fixed to the output end of the first drive motor. The vertical threaded rod passes through the interior of the lifting frame and is threadedly connected to the lifting frame. A vertical smooth rod is provided at both ends of the vertical threaded rod. The vertical smooth rod is located at the top of the rectangular box and is fixedly connected to the rectangular box. The vertical smooth rod passes through the interior of the lifting frame and is slidably connected to the lifting frame.

[0012] 3. Beneficial effects

[0013] Compared with existing technologies, the advantages of this utility model are: This solution, through the clamping mechanism, enables the heating head to quickly adapt to the processing requirements of different pipe diameters, improving the equipment's versatility. It allows the power tube to move laterally while clamped, facilitating rapid positioning during multi-hole processing. The second drive motor and lifting mechanism allow for free adjustment of the melting hole angle, meeting the needs of oblique hole processing under different working conditions. The lifting mechanism can quickly adapt to the optimal melting head spacing for different pipe diameters. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2This is a schematic diagram of the structure of the vertical threaded rod and the vertical smooth rod of this utility model; Figure 3 This is a schematic diagram of the rectangular box and the first drive motor of this utility model; Figure 4 This is a schematic diagram of the structure of the first drive motor and the vertical threaded rod of this utility model; Figure 5 This is a schematic diagram of the internal structure of the inclined clamping plate of this utility model; Figure 6 This is a schematic diagram of the vertical support plate and circular rotating tube of this utility model.

[0015] Explanation of the labels in the diagram: 1. Rectangular box; 2. Lifting frame; 3. Heating head; 4. Vertical support plate; 5. Circular rotating tube; 6. Vertical threaded rod; 7. Vertical smooth rod; 8. First drive motor; 9. Angled clamping plate; 10. First transverse hydraulic cylinder; 11. Vertical connecting plate; 12. Circular clamping wheel; 13. Second transverse hydraulic cylinder; 14. Rectangular clamping plate; 15. Second drive motor; 16. Drive gear; 17. Vertical hydraulic cylinder. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0017] Example:

[0018] Please see Figure 1-6 A melting hole device for producing MPP power pipes includes a rectangular box 1. Clamping components are provided at both ends of the top of the rectangular box 1, and a lifting mechanism for lifting the clamping components is provided inside the rectangular box 1. A vertical support plate 4 is fixed inside the rectangular box 1. A circular rotating tube 5 is rotatably connected inside the vertical support plate 4. A vertical hydraulic cylinder 17 is fixed inside the circular rotating tube 5. An electric heating head 3 is fixed at the output end of the vertical hydraulic cylinder 17. A second drive motor 15 is bolted to one end of the vertical support plate 4. A drive gear 16 is fixed to the output end of the second drive motor 15. The drive gear 16 meshes with the circular rotating tube 5. The circular rotating tube 5 can rotate by the rotation of the drive gear 16. Multiple gear slots are evenly distributed on the outer side of the circular rotating tube 5. The drive gear 16 and the circular rotating tube 5 are meshed and connected through the multiple gear slots. Through the gear slots, the rotation of the drive gear 16 can drive the circular rotating tube 5 to rotate inside the vertical support plate 4, thereby enabling the vertical hydraulic cylinder 17 to rotate with the circular rotating tube 5, and thus adjust the melting hole angle of the heating head 3. Here, the operation of the second drive motor 15 enables the drive gear 16 to rotate. The rotation of the drive gear 16 enables the circular rotating tube 5 to rotate inside the vertical support plate 4. The rotation of the circular rotating tube 5 enables the vertical hydraulic cylinder 17 to rotate along with the circular rotating tube 5, thereby adjusting the melting hole angle of the heating head 3 according to the melting hole requirements of the power tube.

[0019] The clamping assembly includes a lifting frame 2. Vertical connecting plates 11 are provided at both ends inside the lifting frame 2. Inclined clamping plates 9 are fixed at the top and bottom of the vertical connecting plates 11. Multiple circular clamping wheels 12 are evenly distributed inside the inclined clamping plates 9. Two first horizontal hydraulic cylinders 10 are provided at both ends inside the lifting frame 2. The output end of the first horizontal hydraulic cylinder 10 is fixedly connected to the vertical connecting plate 11. Both ends of the inclined clamping plate 9 are fixed with a second transverse hydraulic cylinder 13. The output end of the second transverse hydraulic cylinder 13 is fixed with a rectangular clamping plate 14. Through the operation of the second transverse hydraulic cylinder 13, the rectangular clamping plate 14 can move. The movement of the rectangular clamping plate 14 can fix the power tube, prevent the power tube from being displaced during the melting process, and improve the accuracy of the melting process. When the rectangular clamping plate 14 is disengaged from the power tube, the circular clamping wheel 12 allows the power tube to move laterally inside the inclined clamping plate 9, so that the power tube can adjust the melting position. Here, the operation of the first horizontal hydraulic cylinder 10 allows the vertical connecting plate 11 to move toward the power pipe, thereby allowing the inclined clamping plate 9 to clamp the outside of the power pipe. Multiple circular clamping wheels 12 can clamp the power pipe. Through the operation of the second horizontal hydraulic cylinder 13, the rectangular clamping plate 14 can move. The movement of the rectangular clamping plate 14 can fix the power pipe, preventing displacement of the power pipe during the melting process and improving the accuracy of the melting process. When the rectangular clamping plate 14 is detached from the power pipe, the circular clamping wheels 12 allow the power pipe to move laterally inside the inclined clamping plate 9, allowing the power pipe to adjust the melting position. The lifting mechanism includes two first drive motors 8. The first drive motors 8 are bolted to both ends inside the rectangular box 1. The output end of the first drive motor 8 is fixed with a vertical threaded rod 6. The vertical threaded rod 6 passes through the interior of the lifting frame 2 and is threadedly connected to the lifting frame 2. Vertical smooth rods 7 are provided at both ends of the vertical threaded rod 6. The vertical smooth rods 7 are located at the top of the rectangular box 1 and are fixedly connected to the rectangular box 1. The vertical smooth rods 7 pass through the interior of the lifting frame 2 and are slidably connected to the lifting frame 2. Through the operation of the first drive motors 8, the vertical threaded rods 6 can rotate. The rotation of the vertical threaded rods 6 allows the lifting frame 2 to be vertically raised and lowered outside the vertical smooth rods 7, thereby allowing the position and height of the inclined clamping plate 9 to be adjusted, and the height of the power pipe to be adjusted, so as to facilitate the subsequent welding operation of the power pipe. Here, the operation of the first drive motor 8 enables the vertical threaded rod 6 to rotate. The rotation of the vertical threaded rod 6 allows the lifting frame 2 to slide vertically on the outside of the vertical light rod 7, thereby allowing the position and height of the clamped power tube to be adjusted to facilitate the subsequent welding operation of the power tube.

[0020] By setting up a clamping mechanism, the heating head 3 can quickly adapt to the processing requirements of different pipe diameters, improving the versatility of the equipment. It allows the power tube to move laterally in the clamping state, facilitating rapid positioning during multi-hole processing. Through the setting of the second drive motor 15 and the lifting mechanism, the melting hole angle can be freely adjusted to meet the requirements of oblique hole processing under different working conditions. The lifting mechanism can quickly adapt to the optimal melting head spacing for different pipe diameters.

[0021] Working principle: The operation of the first horizontal hydraulic cylinder 10 allows the vertical connecting plate 11 to move toward the power pipe, thereby allowing the inclined clamping plate 9 to clamp the outside of the power pipe. Multiple circular clamping wheels 12 can clamp the power pipe. Through the operation of the second horizontal hydraulic cylinder 13, the rectangular clamping plate 14 can move. The movement of the rectangular clamping plate 14 can fix the power pipe, prevent the power pipe from shifting during the melting process, and improve the accuracy of the melting process. When the rectangular clamping plate 14 is disengaged from the power pipe, the circular clamping wheels 12 allow the power pipe to move laterally inside the inclined clamping plate 9, allowing the power pipe to adjust the melting position. The operation of the first drive motor 8 enables the vertical threaded rod 6 to rotate. The rotation of the vertical threaded rod 6 enables the lifting frame 2 to slide vertically on the outside of the vertical light rod 7, thereby allowing the position and height of the clamped power tube to be adjusted to facilitate the subsequent welding operation of the power tube. The operation of the second drive motor 15 enables the drive gear 16 to rotate. The rotation of the drive gear 16 enables the circular rotating tube 5 to rotate inside the vertical support plate 4. The rotation of the circular rotating tube 5 enables the vertical hydraulic cylinder 17 to rotate with the circular rotating tube 5, thereby adjusting the melting hole angle of the heating head 3 according to the melting hole requirements of the power tube. The operation of the vertical hydraulic cylinder 17 enables the heating head 3 to move toward the power tube, allowing the power tube to achieve a melting hole.

[0022] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. A melting hole device for producing MPP power pipes, characterized in that: Includes a rectangular box (1), with clamping components at both ends of the top of the rectangular box (1), and a lifting mechanism for lifting the clamping components is provided inside the rectangular box (1); The rectangular box (1) has a vertical support plate (4) fixed inside. The vertical support plate (4) is rotatably connected to a circular rotating tube (5). The circular rotating tube (5) has a vertical hydraulic cylinder (17) fixed inside. The output end of the vertical hydraulic cylinder (17) has a heating head (3).

2. The melting hole device for producing MPP power pipes according to claim 1, characterized in that: One end of the vertical support plate (4) is bolted with a second drive motor (15), and the output end of the second drive motor (15) is fixed with a drive gear (16), which meshes with the circular rotating tube (5).

3. The melting hole device for producing MPP power pipes according to claim 2, characterized in that: Multiple gear slots are evenly distributed on the outer side of the circular rotating tube (5), and the drive gear (16) and the circular rotating tube (5) are meshed and connected through the arrangement of multiple gear slots.

4. The melting hole device for producing MPP power pipes according to claim 1, characterized in that: The clamping assembly includes a lifting frame (2), with vertical connecting plates (11) provided at both ends inside the lifting frame (2). An inclined clamping plate (9) is fixed at the top and bottom of the vertical connecting plate (11). Multiple circular clamping wheels (12) are evenly distributed inside the inclined clamping plate (9). Two first horizontal hydraulic cylinders (10) are provided at both ends inside the lifting frame (2). The output end of the first horizontal hydraulic cylinder (10) is fixedly connected to the vertical connecting plate (11).

5. A melting hole device for producing MPP power pipes according to claim 4, characterized in that: Both ends of the inclined clamping plate (9) are fixed with a second transverse hydraulic cylinder (13), and the output end of the second transverse hydraulic cylinder (13) is fixed with a rectangular clamping plate (14).

6. The melting hole device for producing MPP power pipes according to claim 1, characterized in that: The lifting mechanism includes two first drive motors (8). The first drive motors (8) are bolted to both ends inside the rectangular box (1). The output end of the first drive motor (8) is fixed with a vertical threaded rod (6). The vertical threaded rod (6) passes through the interior of the lifting frame (2) and is threadedly connected to the lifting frame (2). Both ends of the vertical threaded rod (6) are provided with vertical smooth rods (7). The vertical smooth rods (7) are located at the top of the rectangular box (1) and are fixedly connected to the rectangular box (1). The vertical smooth rods (7) pass through the interior of the lifting frame (2) and are slidably connected to the lifting frame (2).

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