Walking type cutting device

Abstract

The utility model provides a walking type cutting device, which relates to the technical field of cutting devices, and adopts the technical scheme that the walking type cutting device comprises a box body, an inner walking wheel and an outer walking wheel are arranged on the box body, a driving assembly for driving the inner walking wheel and / or the outer walking wheel to rotate is arranged in the box body, and an annular forge piece is clamped between the inner walking wheel and the outer walking wheel. Limiting pieces are arranged on the box body or the inner walking wheel and the outer walking wheel, an adjusting mechanism is installed on the box body, and a cutting device is installed on the adjusting mechanism. The annular forge piece cutting device has the advantages that the annular forge piece does not need to be moved, the cutting device walks on the annular forge piece for cutting, safety is high, the cutting effect is good, and cutting time is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting devices, in particular to a walking cutting device. Background Art

[0002] Super-large ring forgings are widely used in the fields of aerospace, mechanical equipment, petroleum refining, nuclear power, military industry, etc. Their production capacity and scientific and technological level are important indicators to measure a country's heavy industry development level and the self-sufficiency ability of major key equipment. The larger the diameter and the smaller the cross-section of the ring forging, the greater the rolling difficulty and the higher the forming difficulty. For such products, a two-piece integrated rolling method is adopted, and then the two pieces are separated by cutting.

[0003] Currently, in the existing method, during flame cutting, the flame nozzle is fixed and the ring forging rotates to achieve the cutting purpose. However, this method has the following problems: 1. Before cutting, the ring forging needs to be transferred to a designated place and then vertically placed on the rollers. Due to the large volume and weight of the ring forging, it poses a great threat to the safety of the operators; 2. During the cutting process, the operator needs to constantly monitor and adjust the parallelism between the flame cut and the upper and lower end faces of the ring forging; 3. When the ring forging with a small edge width and a large diameter is vertically placed, deformation will occur; 4. When the ring forging with a diameter ≥ 5000 mm rotates for cutting, it is unstable and needs to rotate slowly, resulting in a long cutting time and a large gas consumption; 5. When rotating the ring forging, vibration will occur due to mechanical structure reasons, resulting in an over-large flame cutting opening and increasing the material consumption cost. Summary of the Utility Model

[0004] The purpose of the utility model is to propose and design a walking cutting device to solve the problems existing in the existing method of fixing the flame nozzle and rotating the ring forging during cutting, such as the safety problems of operators, the need to constantly monitor and adjust the parallelism between the flame cut and the upper and lower end faces of the ring forging, the deformation of the ring forging when vertically placed, and the low cutting stability and efficiency. The cutting device walks on the ring forging for cutting, with high safety, good cutting effect and shortened cutting time without moving the ring forging.

[0005] The technical solution adopted by the present utility model to solve the above technical problems is as follows: A walking cutting device includes a box body. Inner walking wheels and outer walking wheels are arranged on the box body. A driving assembly for driving the inner walking wheels and / or the outer walking wheels to rotate is arranged in the box body. The driving assembly is preferably a servo motor, and the servo motor drives the outer walking wheels to rotate. The inner walking wheels and the outer walking wheels sandwich the annular forging in the middle. The inner walking wheels walk along the inner wall of the annular forging, and the outer walking wheels walk along the outer wall of the annular forging. A limiting piece is arranged on the box body or the inner walking wheels and the outer walking wheels, which is used to support on the upper end surface of the annular forging for limiting, so as to ensure the parallelism between the flame cut of the cutting head and the upper and lower end surfaces of the annular forging. An adjusting mechanism is installed on the box body, and a cutting device is installed on the adjusting mechanism. The adjusting mechanism adjusts the position of the cutting device, and further adjusts the cutting position of the annular forging, ensuring accurate cutting position and strong adaptability. In this solution, there is no need to move the annular forging. Just install the cutting device on the annular forging, and the cutting device will walk around the annular forging for cutting. During this process, since there is no need for the operator to move the annular forging with large volume and weight, there will be no safety hazards, improving the personal safety of the operator. At the same time, it also avoids the deformation phenomenon that occurs when the annular forging is placed vertically. Due to the setting of the limiting piece, which resists on the end surface of the annular forging, the cutting device will not be offset, ensuring the parallelism between the flame cut and the upper and lower end surfaces of the annular forging. The inner walking wheels and the outer walking wheels walk around the annular forging at a uniform speed for cutting, with stable cutting, no vibration generated, and a small cutting port.

[0006] Further, the axes of the inner walking wheels and the outer walking wheels are in the vertical direction, and a spacing adjusting assembly is arranged on the inner walking wheels. It enables the rotating surface of the inner walking wheels to closely adhere to the inner wall of the annular forging, and the rotating surface of the outer walking wheels to closely adhere to the outer wall of the annular forging, clamping the annular forging. Through rotational friction, the inner walking wheels and the outer walking wheels can move relative to the annular forging, and thus realize walking around the annular forging.

[0007] Further, the spacing adjusting assembly includes a horizontal adjusting rod. A moving sleeve is arranged on the upper part of the rotating shaft of the inner walking wheel, and the moving sleeve is installed on the horizontal adjusting rod. A nut is installed on the horizontal adjusting rod, and the nut is threadedly connected to the horizontal adjusting rod. A spring is sleeved on the horizontal adjusting rod, and the spring is located between the nut and the moving sleeve. By turning the nut, the tightness of the spring can be adjusted to ensure that the inner walking wheels are tightly pressed against the inner wall of the annular forging, and it can adapt to clamping annular forgings with different wall thicknesses.

[0008] Further, a long slot is arranged on the moving sleeve, and a locking bolt is installed in the long slot. It is used to adjust the position of the moving sleeve and lock the moving sleeve to the horizontal adjusting rod, and further adjust the position of the inner walking wheels.

[0009] Furthermore, limit pieces are fixed on both the inner traveling wheels and the outer traveling wheels. The limit pieces are circular limit pieces. The outer diameter of the limit piece on the inner traveling wheel is larger than the outer diameter of the inner traveling wheel, and the outer diameter of the limit piece on the outer traveling wheel is larger than the outer diameter of the outer traveling wheel. During use, the limit pieces support on the upper end surface of the annular forging. The limit pieces can rotate following the inner traveling wheels and the outer traveling wheels while always supporting on the upper end surface of the annular forging, playing the roles of support and limit, and ensuring the parallelism between the cutting port and the end surface of the annular forging.

[0010] Furthermore, the adjusting mechanism includes a horizontal support rod. A first adjusting block is sleeved on the horizontal support rod. A first fastening bolt is installed between the first adjusting block and the horizontal support rod. The position of the first adjusting block on the horizontal support rod can be adjusted through the first adjusting block, and the position of the adjusted first adjusting block can be fixed through the first fastening bolt. A vertical moving rod is slidably installed on the first adjusting block. A second fastening bolt is installed between the vertical moving rod and the first adjusting block. The position of the vertical moving rod relative to the first adjusting block is adjustable, and the position of the adjusted vertical moving rod can be fixed through the second fastening bolt. A second adjusting block is sleeved on the vertical moving rod. A third fastening bolt is installed between the second adjusting block and the vertical moving rod. Similarly, the position between the second adjusting block and the vertical moving rod is adjustable and the second adjusting block can be fixed. A clamping rod is installed on the second adjusting block. A sleeve is arranged on the clamping rod. The cutting device is installed in the sleeve. Furthermore, the clamping rod is slidably installed on the second adjusting block. A fourth fastening bolt is installed between the clamping rod and the second adjusting block to realize the position adjustment and fixation of the clamping rod. A fifth fastening bolt is installed between the sleeve and the cutting device to realize the position adjustment and fixation of the cutting device. In summary, the distance and height of the cutting device relative to the annular forging can be flexibly adjusted, and the adjustment range is relatively large.

[0011] Furthermore, the cutting device is a flame cutter.

[0012] Furthermore, pipeline support clips are arranged on the box body to clamp and support the pipelines connecting the cutting device.

[0013] It can be seen from the above technical solutions that the present utility model has the following advantages:

[0014] This solution provides a walking cutting device. Without moving the ring forging, just install the cutting device on the ring forging, and the cutting device will walk around the ring forging for cutting. During this process, since there is no need for the operator to move the large-sized and heavy ring forging, there will be no safety hazards, which improves the personal safety of the operator. At the same time, it also avoids the deformation phenomenon that occurs when the ring forging is placed vertically. Due to the setting of the limit piece, which resists on the end face of the ring forging, the cutting device will not be offset, ensuring the parallelism of the flame cut with the upper and lower end faces of the ring forging. The inner walking wheel and the outer walking wheel walk around the ring forging on the ring forging at a uniform speed for cutting, with stable cutting, no vibration generated, and a small cutting port. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the present invention, the accompanying drawings required for description will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a schematic structural diagram of the specific embodiment of the present invention.

[0017] Figure 2 It is a schematic inner structure diagram of the present invention in the use state of the specific embodiment.

[0018] Figure 3 It is a schematic outer structure diagram of the present invention in the use state of the specific embodiment.

[0019] In the figure, 1, box body; 2, outer walking wheel; 3, inner walking wheel; 4, limit piece; 5, horizontal adjusting rod; 6, nut; 7, spring; 8, moving sleeve; 9, long hole; 10, locking bolt; 11, horizontal support rod; 12, first adjusting block; 13, vertical moving rod; 14, second adjusting block; 15, clamping rod; 16, sleeve; 17, cutting device; 18, pipeline support clip. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] In order to make the purpose, features, and advantages of the present invention more obvious and understandable, the technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in this specific embodiment. Obviously, the embodiments described below are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments in this patent, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of this patent. In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0021] As Figures 1 to 3 shown, this specific embodiment provides a walking cutting device, including a box body 1, with inner walking wheels 3 and outer walking wheels 2 arranged on the box body 1. A driving assembly for driving the outer walking wheels 2 to rotate is arranged in the box body 1. The driving assembly adopts a servo motor, and the servo motor drives the outer walking wheels 2 to rotate. Of course, a transmission mechanism such as a sprocket and chain can be arranged between the servo motor and the outer walking wheels 2. The inner walking wheels 3 and the outer walking wheels 2 sandwich the annular forging in the middle. The inner walking wheels 3 walk along the inner wall of the annular forging, and the outer walking wheels 2 walk along the outer wall of the annular forging. A limiting piece 4 is arranged on the box body 1 or the inner walking wheels 3 and the outer walking wheels 2, which is used to support on the upper end surface of the annular forging for limiting, so as to ensure the parallelism between the flame cut of the cutting head and the upper and lower end surfaces of the annular forging. An adjusting mechanism is installed on the box body 1, and a cutting device 17 is installed on the adjusting mechanism. The cutting device 17 is a flame cutter. The adjusting mechanism adjusts the position of the cutting device 17, thereby adjusting the cutting position of the annular forging to ensure the accuracy of the cutting position. A pipeline support clip 18 is also arranged on the box body 1, which is used to clamp and support the pipeline connecting the cutting device 17.

[0022] Among them, referring to Figure 1 and Figure 2 , the axes of the inner walking wheels 3 and the outer walking wheels 2 are in the vertical direction. A spacing adjusting assembly is arranged on the inner walking wheels 3, so that the rotating surface of the inner walking wheels 3 can closely adhere to the inner wall of the annular forging, and the rotating surface of the outer walking wheels 2 can closely adhere to the outer wall of the annular forging to clamp the annular forging. Through rotational friction, the inner walking wheels 3 and the outer walking wheels 2 can move relative to the annular forging, thereby realizing walking around the annular forging. The spacing adjusting assembly includes a horizontal adjusting rod 5. A moving sleeve 8 is arranged on the upper part of the rotating shaft of the inner walking wheels 3. The moving sleeve 8 is installed on the horizontal adjusting rod 5. A nut 6 is installed on the horizontal adjusting rod 5. The nut 6 is threadedly connected to the horizontal adjusting rod 5. A spring 7 is sleeved on the horizontal adjusting rod 5. The spring 7 is located between the nut 6 and the moving sleeve 8. By turning the nut 6, the tightness of the spring 7 can be adjusted to ensure that the inner walking wheels 3 are tightly pressed against the inner wall of the annular forging, and it can adapt to clamping annular forgings with different wall thicknesses. Among them, a long hole 9 is arranged on the moving sleeve 8, and a locking bolt 10 is installed in the long hole 9, which is used to adjust the position of the moving sleeve 8 and lock the moving sleeve 8 to the horizontal adjusting rod 5, thereby adjusting the position of the inner walking wheels 3.

[0023] Among them, limit pieces 4 are fixed on both the inner traveling wheels 3 and the outer traveling wheels 2. The limit pieces 4 are circular limit pieces 4. The outer diameter of the limit piece 4 on the inner traveling wheel 3 is greater than the outer diameter of the inner traveling wheel 3, and the outer diameter of the limit piece 4 on the outer traveling wheel 2 is greater than the outer diameter of the outer traveling wheel 2. During use, the limit piece 4 supports on the upper end surface of the ring forging. The limit piece 4 can support on the upper end surface of the ring forging all the time while rotating with the inner traveling wheel 3 and the outer traveling wheel 2, playing the roles of support and limit, and ensuring the parallelism between the cutting port and the end surface of the ring forging.

[0024] In addition, referring to Figure 1 , the adjusting mechanism includes a horizontal support rod 11. A first adjusting block 12 is sleeved on the horizontal support rod 11. A first fastening bolt is installed between the first adjusting block 12 and the horizontal support rod 11. The position of the first adjusting block 12 on the horizontal support rod 11 can be adjusted through the first adjusting block 12, and the position of the adjusted first adjusting block 12 can be fixed through the first fastening bolt; a vertical moving rod 13 is slidably installed on the first adjusting block 12. A second fastening bolt is installed between the vertical moving rod 13 and the first adjusting block 12. The position of the vertical moving rod 13 relative to the first adjusting block 12 can be adjusted, and the position of the adjusted vertical moving rod 13 can be fixed through the second fastening bolt; a second adjusting block 14 is sleeved on the vertical moving rod 13. A third fastening bolt is installed between the second adjusting block 14 and the vertical moving rod 13. Similarly, the position between the second adjusting block 14 and the vertical moving rod 13 is adjustable and the second adjusting block 14 can be fixed; a clamping rod 15 is installed on the second adjusting block 14. A sleeve 16 is arranged on the clamping rod 15. The cutting device 17 is installed in the sleeve 16. Further, the clamping rod 15 is slidably installed on the second adjusting block 14. A fourth fastening bolt is installed between the clamping rod 15 and the second adjusting block 14 to realize the position adjustment and fixation of the clamping rod 15. A fifth fastening bolt is installed between the sleeve 16 and the cutting device 17 to realize the position adjustment and fixation of the cutting device 17. In summary, the distance and height of the cutting device 17 relative to the ring forging can be flexibly adjusted, and the adjustment range is relatively large.

[0025] Its working principle is as follows: Place the walking cutting device on the upper end surface of the ring forging. The limit piece 4 supports on the upper end surface of the ring forging. The outer traveling wheel 2 and the inner traveling wheel 3 clamp the ring forging in the middle. By turning the nut 6 and adjusting the position of the moving sleeve 8, the position of the inner traveling wheel 3 is adjusted so that the inner traveling wheel 3 and the outer traveling wheel 2 are clamped on the ring forging, and there is enough friction to make the inner traveling wheel 3 and the outer traveling wheel 2 move relative to the ring forging; adjust the height of the cutting device 17 and the distance from the ring forging to make its cutting position accurate. The servo motor drives the outer traveling wheel 2 to rotate, and then makes the whole walking cutting device walk around the ring forging. The cutting device 17 cuts the ring forging during this process.

[0026] In the description of the present utility model, the terms "upper", "lower", "outer side", "inner side", etc. (if any) in the specification, claims and the above-mentioned drawings are used to distinguish the relative relationships in position, and do not necessarily need to be given a qualitative definition. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present utility model described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion.

[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and defined, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and can also be the communication inside two elements. It can be a wireless connection or a wired connection. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A walking cutting device, comprising a box, characterized in that: The box body is provided with inner running wheels and outer running wheels, the box body is provided with a driving assembly for driving the inner running wheels and / or outer running wheels to rotate, the box body or the inner running wheels and the outer running wheels are provided with limit plates, the box body is installed with an adjusting mechanism, and the adjusting mechanism is installed with a cutting device.

2. The walking cutting device according to claim 1, characterized in that: The axes of the inner running wheel and the outer running wheel are located in the vertical direction, and a spacing adjustment component is arranged on the inner running wheel.

3. The walking cutting device according to claim 2, characterized in that: The spacing adjustment component includes a horizontal adjustment rod, a movable sleeve is arranged on the upper part of the rotating shaft of the inner walking wheel, the movable sleeve is installed on the horizontal adjustment rod, a nut is installed on the horizontal adjustment rod, the nut is threadedly connected to the horizontal adjustment rod, a spring is sleeved on the horizontal adjustment rod, and the spring is located between the nut and the movable sleeve.

4. The walking cutting device according to claim 3, characterized in that: The moving sleeve is provided with a long hole, and a locking bolt is installed in the long hole.

5. The walking cutting device according to any one of claims 1 to 4, characterized in that: The inner and outer travel wheels are both fixed with limiting plates, which are circular limiting plates. The outer diameter of the limiting plate on the inner travel wheel is larger than that of the inner travel wheel, and the outer diameter of the limiting plate on the outer travel wheel is larger than that of the outer travel wheel.

6. The walking cutting device according to any one of claims 1 to 4, characterized in that: The adjustment mechanism includes a horizontal support rod, a first adjustment block is mounted on the horizontal support rod, a first fastening bolt is installed between the first adjustment block and the horizontal support rod, a vertical moving rod is slidably mounted on the first adjustment block, a second fastening bolt is installed between the vertical moving rod and the first adjustment block, a second adjustment block is mounted on the vertical moving rod, a third fastening bolt is installed between the second adjustment block and the vertical moving rod, a clamping rod is installed on the second adjustment block, a sleeve is provided on the clamping rod, and a cutting device is installed in the sleeve.

7. The walking cutting device according to claim 6, characterized in that: The clamping rod is slidably mounted on the second adjusting block, and a fourth fastening bolt is mounted between the clamping rod and the second adjusting block.

8. The walking cutting device according to claim 1, characterized in that: The cutting device is a flame cutter.

9. The walking cutting device according to claim 1, characterized in that: The box body is provided with pipeline supporting clips.

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