Boiler gas pipeline cutting device

Abstract

The invention relates to a boiler gas pipeline cutting device, and relates to the field of pipeline cutting equipment, the boiler gas pipeline cutting device comprises a base, a pipeline rotation driving device and a cutting part, and the pipeline rotation driving device is arranged on the base; the cutting part comprises a supporting ring with a first central axis and a plurality of cutting assemblies, and the supporting ring is fixedly connected to the base; the multiple cutting assemblies are evenly distributed around the supporting ring in the circumferential direction, each cutting assembly comprises a sliding base, a first linear driving piece, a cutting blade and a first motor, and the sliding bases are slidably connected to the supporting ring in the radial direction of the supporting ring; the first linear driving piece is connected between the sliding seat and the supporting ring; the cutting blade is rotationally connected to the sliding seat through a first rotating shaft; the cutting blade is positioned at one end of the sliding seat close to the first central axis of the support ring; and the first motor is connected between the cutting blade and the sliding seat. The cutting device has the effect of avoiding reduction of the cutting precision caused by frequent replacement of the cutting knife.

Description

Technical Field

[0001] The present application relates to the field of pipeline cutting equipment, and in particular to a boiler gas pipeline cutting device. Background Art

[0002] Boiler gas pipeline cutting devices are widely used in industrial production, especially in the fields of electricity, chemical industry, etc. With the advancement of modern production, higher requirements are placed on the processing accuracy and efficiency of boiler gas pipelines. Traditional manual cutting methods are not only time-consuming and labor-intensive, but also difficult to ensure cutting quality and safety performance. Therefore, the development of efficient automated cutting equipment has become an inevitable trend in the development of the industry. These devices usually need to have high precision, high efficiency and good operational stability to meet the needs of different application scenarios.

[0003] At present, in order to achieve efficient and stable cutting operations, the cutting knife is rotated along the circumference of the pipe to cut the pipe. However, during the cutting process, the cutting knife will be damaged. If the cutting knife is replaced, the position of the cutting knife may change, resulting in reduced cutting accuracy.

[0004] Therefore, how to avoid frequent replacement of cutting knives that may reduce cutting accuracy has become an urgent problem to be solved. Summary of the invention

[0005] In order to avoid reducing cutting accuracy due to frequent replacement of cutting knives, the present application provides a boiler gas pipeline cutting device.

[0006] The boiler gas pipeline cutting device provided in this application adopts the following technical solution: A boiler gas pipeline cutting device, comprising: Pedestal; a pipeline rotation driving device, wherein the pipeline rotation driving device is arranged on the base; and A cutting component, the cutting component comprising: a support ring having a first central axis, wherein the first central axis of the support ring is parallel to the first direction, and the support ring is fixedly connected to the base; and A plurality of cutting assemblies, wherein the plurality of cutting assemblies are evenly distributed around the support ring, and the cutting assemblies include: A sliding seat, wherein the sliding seat is slidably connected to the support ring along the radial direction of the support ring; a first linear driving member, the first linear driving member being connected between the sliding seat and the supporting ring, and being used for driving the sliding seat to slide on the supporting ring along the radial direction of the supporting ring; A cutting blade, wherein the cutting blade is rotatably connected to the sliding seat via a first rotating shaft, wherein the first rotating shaft is parallel to the first direction; the cutting blade is located at one end of the sliding seat close to the first central axis of the support ring; and a first motor connected between the cutting blade and the sliding seat to drive the cutting blade to rotate along the sliding seat; The pipeline rotation driving device and the cutting component are distributed in a first direction, and the pipeline rotation driving device is used to drive the pipeline to rotate around the first central axis of the support ring.

[0007] By adopting the above-mentioned technical scheme, multiple cutting knives are distributed in different positions, so that the cutting load of each cutting knife is evenly dispersed, reducing the working intensity of a single cutting knife, and effectively reducing the wear and damage of the cutting knife caused by long-term high-load work; in addition, since the cutting amount of each cutting tool is reduced, the wear of the cutting tool can also be reduced, and the replacement of the cutting tool can be reduced; this application not only extends the service life of the cutting knife, but also improves the stability and reliability of the entire cutting process.

[0008] Optionally, the pipeline rotation driving device includes: mounting bracket; and The rotation drive assembly has two rotation drive assemblies distributed in the second direction, and the rotation drive assembly includes: A connecting frame having a splicing surface, wherein the splicing surface is arranged perpendicular to the second direction; the connecting frame is slidably connected to the mounting frame along the second direction so that the rotation drive assembly can be adjusted between a clamping posture and an open posture; When the rotation drive assembly is in a clamping posture, the joint surfaces of the two connecting frames are in contact with each other; When the rotation drive assembly is in an open position, a gap is formed on the joint surfaces of the two connection frames in the second direction; The rotation drive assembly also includes: A semicircular ring seat having a first end wall surface and a second central axis, wherein the semicircular ring seat is rotatably connected to the connecting frame body around the second central axis so that the semicircular ring seat can be adjusted between an unlocking posture and a locking posture; When the semicircular ring seat is in an unlocked posture, the first end wall surface of the semicircular ring seat and the splicing surface of the connecting frame body are coplanar, and the connecting frame body and the semicircular ring seat are located on the same side of the splicing surface; and the semicircular ring seats in the two rotating drive assemblies are spliced ​​to form a full circle, and the first center axis and the second center axis coincide, and the two semicircular ring seats are spliced ​​to form a clamping area for clamping a pipe; When the semicircular ring seat is in a locked position, the first end wall surface and the splicing surface are not coplanar.

[0009] By adopting the above technical solution, the boiler gas pipeline is accurately positioned and clamped. Specifically, the sliding connection design of the two connecting frames in the second direction enables the device to flexibly switch between the clamping posture and the open posture. The design of the semicircular ring seat enables it to easily load or remove the pipeline in the unlocked posture, and can fit the pipeline surface tightly in the locked posture, thereby improving the clamping reliability and cutting accuracy. This structure not only simplifies the operation process, but also effectively avoids the error problem existing in the traditional manual clamping method, and improves the overall work efficiency.

[0010] Optionally, the rotation drive assembly further includes: A semicircular outer gear ring having a second end wall, wherein the semicircular outer gear ring is coaxially fixedly connected to the outer periphery of the semicircular ring seat, and the first end wall surface and the second end wall surface are coplanar; a gear, the gear being rotatably connected to the connecting frame through a second rotating shaft, the second rotating shaft being parallel to the first direction, the gear being meshed with the semicircular outer gear ring; and, A second motor is connected between the gear and the connecting frame to drive the gear to rotate along the connecting frame.

[0011] By adopting the above technical solution, the meshing design of the gear and the semicircular outer gear ring enables the second motor to accurately control the rotation of the semicircular ring seat, thereby ensuring the stability and uniformity of the pipe during the cutting process. In addition, this design solution also simplifies the mechanical transmission system, reduces maintenance costs, and enhances the reliability and durability of the system.

[0012] Optionally, the rotation drive assembly further includes a second linear drive member, and the second linear drive member is correspondingly provided between each of the connecting frames and the mounting frame, so as to drive the connecting frames to move along the second direction.

[0013] By adopting the above technical solution, the second linear drive component can accurately control the movement of the connecting frame, ensuring that the two semicircular ring seats can be accurately aligned when clamping the pipe, thereby improving the stability and reliability of pipe clamping.

[0014] Optionally, a rubber layer is fixedly connected to the inner wall of the semicircular ring seat.

[0015] By adopting the above technical solution, the rubber layer fixedly connected to the inner wall of the semicircular ring seat can significantly increase the friction when clamping the pipe, effectively prevent the relative sliding of the pipe during the cutting process, and ensure the cutting accuracy and stability. In addition, the rubber layer can also protect the pipe surface from damage and extend the service life of the pipe.

[0016] Optionally, a cooling component is further included, and each of the sliding seats is provided with the cooling component, and the cooling component includes: A spray head is connected to the sliding seat, and a spray port of the spray head faces the cutting blade.

[0017] By adopting the above technical solution, the cooling component can effectively reduce the temperature of the cutting blade during the cutting process, prevent the cutting blade from being damaged and aggravated by high temperature, thereby extending the service life of the cutting blade and ensuring the cutting accuracy and quality. Specifically, the nozzle is installed on the sliding seat, and the nozzle is facing the cutting blade, which can continuously spray coolant during the cutting process, take away the heat in time, and keep the working temperature of the cutting blade within a reasonable range.

[0018] Optionally, a semi-annular guide groove is provided on the connecting frame body, and the guide groove forms a feed port at the splicing surface; the guide groove is coaxially arranged with the semicircular ring seat; a guide semicircular ring adapted to the guide groove is fixedly connected to the semicircular ring seat, and the semicircular ring seat rotates along the connecting frame body through the guide semicircular ring.

[0019] By adopting the above technical solution, the semicircular ring seat rotates along the guide groove on the connecting frame through the guiding semicircular ring, so that the semicircular ring seat can be more stable and reliable when clamping the pipeline, and the positioning accuracy and clamping stability of the pipeline are improved. At the same time, the design of the guide groove ensures that the semicircular ring seat will not deviate during the adjustment process, further improving the overall operation reliability of the device.

[0020] Optionally, the connecting frame is provided with a chamfer at the feed inlet of the guide groove.

[0021] By adopting the above technical solution, the chamfered setting makes it easier to insert the guide semicircular ring into the guide groove, thereby improving the convenience and efficiency of the assembly process.

[0022] Optionally, in the first direction, the pipeline rotation driving device is correspondingly provided at both ends of the cutting component.

[0023] By adopting the above technical solution, both ends of the cutting component are equipped with pipeline rotation drive devices, ensuring the stability and uniformity of the pipeline during the cutting process. Specifically, this arrangement can effectively reduce the pipeline deviation and uneven force caused by unilateral drive, and improve cutting accuracy and efficiency.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: 1. This application not only extends the service life of the cutting knife, but also improves the stability and reliability of the entire cutting process; 2. This application realizes the precise positioning and clamping of boiler gas pipelines; 3. The rubber layer fixedly connected to the inner wall of the semicircular ring seat can significantly increase the friction when clamping the pipe, effectively preventing the relative sliding of the pipe during the cutting process, and ensuring the cutting accuracy and stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application; Figure 2 It is a schematic diagram of the structure of the cutting component in the embodiment of the present application; Figure 3 It is a schematic diagram of the structure of the cutting assembly in the embodiment of the present application; Figure 4 is a schematic structural diagram of a pipeline rotation driving device in an embodiment of the present application; Figure 5 It is a structural schematic diagram of the rotary drive assembly of the present application; Figure 6 yes Figure 5 Enlarged view of part A.

[0026] Description of reference numerals: 1, base; 2, pipeline rotation drive device; 21, mounting frame; 22, rotation drive assembly; 221, connecting frame; 2211, splicing surface; 222, semicircular ring seat; 2221, first end wall; 2222, clamping area; 2223, guide groove; 2224, chamfer; 223, semicircular outer gear ring; 2231, second end wall; 224, gear; 225, second motor; 226, second linear drive moving part; 2261, second guide part; 2262, second driving part; 227, rubber layer; 228, guide semicircular ring; 3, cutting part; 31, support ring; 32, cutting assembly; 321, first linear driving part; 3211, first guide part; 3212, first driving part; 322, sliding seat; 323, cutting blade; 324, first motor; 33, support leg; 4, cooling assembly; 41, gooseneck; 42, nozzle. DETAILED DESCRIPTION

[0027] The present application is further described in detail below in conjunction with the accompanying drawings, 1-6. For ease of description, the present application introduces directional words such as the first direction, the second direction and the third direction to form a three-dimensional reference direction. The directional words used, such as "the first direction, the second direction and the third direction", can be specifically shown with reference to the drawings, where X represents the first direction X, Y represents the second direction Y, and Z represents the third direction Z. The first direction X, the second direction Y and the third direction Z are perpendicular to each other; the first direction X in the present disclosure is preferably a horizontal direction, and the second direction Y is preferably a vertical direction.

[0028] The present application embodiment discloses a boiler gas pipeline cutting device. Figure 1 , Figure 2 and Figure 3 The boiler gas pipeline cutting device includes a base 1, a pipeline rotation driving device 2 and a cutting component 3. The pipeline driving device and the cutting component 3 are both arranged on the base 1. In a first direction, cutting components 3 are respectively arranged at both ends of the cutting component 3. When the pipeline is passed through the cutting component 3 and the pipeline rotation driving device 2 at both ends of the cutting component 3, the cutting component 3 can cut the pipeline.

[0029] Reference Figure 1 , Figure 2 and Figure 3 The cutting component 3 includes a support ring 31 having a first central axis and a plurality of cutting components 32; a support leg 33 is fixedly connected between the outer peripheral wall of the support ring 31 and the base 1, so that the support ring 31 stands upright on the base 1 through the support leg 33; the first central axis of the support ring 31 is parallel to the first direction, and the plurality of cutting components 32 are evenly distributed around the support ring 31; The cutting assembly 32 includes a first linear drive member 321, a sliding seat 322, a cutting blade 323 and a first motor 324. The sliding seat 322 is connected to the support ring 31 in a radially sliding manner of the support ring 31. The first linear drive member 321 is connected between the sliding seat 322 and the support ring 31 to drive the sliding seat 322 to slide on the support ring 31 in the radial direction of the support ring 31. In the present disclosure, the first linear drive member 321 is a linear motor having a first guide portion 3211 and a first drive portion 3212. The first guide portion 3211 of the first linear drive member 321 is fixedly connected to the support ring 31 and is parallel to the radial direction of the support ring 31. The first drive portion 3212 can slide on the first guide portion 3211 in the radial direction of the support ring 31. The sliding seat 322 is fixedly connected to the first drive portion 3212 to move synchronously with the first drive portion 3212. The cutting blade 323 is located at one end of the sliding seat 322 close to the first central axis of the support ring 31, and the cutting blade 323 can rotate along the sliding seat 322 to cut the pipe; specifically, the cutting blade 323 is rotatably connected to the sliding seat 322 through a first rotating shaft, and the first rotating shaft is parallel to the first direction; the first motor 324 is connected between the cutting blade 323 and the sliding seat 322 to drive the cutting blade 323 to rotate along the sliding seat 322, specifically, the first motor 324 is a servo motor, the housing of the first motor 324 is fixedly connected to the sliding seat 322, and the output shaft of the first motor 324 is coaxially fixedly connected to the cutting blade 323, so that the cutting blade 323 is driven by the first linear drive member 321 to move toward the first central axis of the support ring 31 during the rotation, so as to cut the pipe.

[0030] Reference Figure 3In order to prevent the cutting blade 323 from overheating during the cutting process, some embodiments of the present application also include a cooling component 4. A cooling component 4 is correspondingly provided on each sliding seat 322. The cooling component 4 includes a gooseneck 41 and a nozzle 42. One end of the gooseneck 41 is fixedly connected to the nozzle 42, and the other end is fixedly connected to the sliding seat 322, and the nozzle of the nozzle 42 is set toward the cutting blade 323.

[0031] Reference Figure 4 , Figure 5 and Figure 6 The pipeline driving device includes a mounting frame 21 and a rotation driving assembly 22. The mounting frame 21 is fixedly connected to the base 1, and two rotation driving assemblies 22 are distributed in the second direction; the rotation driving assembly 22 includes a connecting frame body 221 with a splicing surface 2211, a semicircular ring seat 222 with a first end wall surface 2221 and a second central axis, a semicircular outer gear ring 223 with a second end wall surface 2231, a gear 224, a second motor 225 and a second linear driving member 226; The splicing surface 2211 is arranged perpendicular to the second direction. In the two rotation drive components 22, the splicing surfaces 2211 of the two connecting frames 221 are located on the side where the two connecting frames 221 are close to each other; the connecting frames 221 are slidably connected to the mounting frame 21 along the second direction, so that the rotation drive component 22 can be adjusted between the clamping posture and the open posture; When the rotation driving assembly 22 is in a clamping posture, the joint surfaces 2211 of the two connecting frames 221 are in contact with each other; When the rotation driving assembly 22 is in the open position, the joint surfaces 2211 of the two connecting frames 221 form a gap in the second direction; The semicircular ring seat 222 is connected to the semicircular ring seat 222 by rotation around the second central axis, so that the semicircular ring seat 222 can be adjusted between the unlocking posture and the locking posture; in order to guide the semicircular ring seat 222 to rotate along the connecting frame 221, a semicircular guide groove 2223 is opened on the connecting frame 221, and the guide groove 2223 forms a feed port at the splicing surface 2211. The guide groove 2223 is coaxially arranged with the semicircular ring seat 222, and the cross section of the guide groove 2223 is T-shaped; the semicircular ring seat 222 is close to the connecting frame 221. A guide semicircular ring 228 adapted to the cross section of the guide groove 2223 is fixedly connected to one side of the connecting frame 221. The guide semicircular ring 228 is located in the guide groove 2223 and can rotate in the guide groove 2223. The semicircular ring seat 222 rotates along the connecting frame 221 through the guide semicircular ring 228. In order to facilitate the insertion of the guide semicircular ring 228 into the guide groove 2223 on the other connecting frame 221, the connecting frame 221 is provided with a chamfer 2224 at the feed port of the guide groove 2223. When the semicircular ring seat 222 is in a locked position, the joint surface 2211 of the connecting frame body 221 and the first end wall surface 2221 of the connecting frame body 221 are not coplanar; When the semicircular ring seat 222 is in an unlocked posture, the first end wall surface 2221 of the semicircular ring seat 222 and the splicing surface 2211 of the connecting frame body 221 are coplanar, and the connecting frame body 221 and the semicircular ring seat 222 are located on the same side of the splicing surface 2211; and, at this time, the semicircular ring seats 222 in the two rotating drive assemblies 22 are spliced ​​to form a full circle, and the first center axis and the second center axis coincide, and the two semicircular ring seats 222 are spliced ​​to form a clamping area 2222 for clamping the pipe; in order to improve the clamping stability, a rubber layer 227 is fixedly connected to the inner wall of the semicircular ring seat 222, and the inner wall surface of the rubber layer 227 close to the second center axis of the semicircular ring seat 222 is frosted to increase the friction force on the pipe and prevent the pipe from rotating relative to the semicircular ring seat 222; The semicircular outer gear ring 223 is coaxially fixedly connected to the outer periphery of the semicircular ring seat 222, and the first end wall surface 2221 and the second end wall surface 2231 are coplanar; the gear 224 is directly or indirectly connected to the connecting frame 221 through a second rotating shaft, and the second rotating shaft is parallel to the first direction. The second motor 225 is connected between the gear 224 and the connecting frame 221 to drive the gear 224 to rotate along the connecting frame 221. Specifically, the second motor 225 is a servo motor, and the housing of the second motor 225 is fixedly connected to the connecting frame 221. The output shaft of the second motor 225 is coaxially fixedly connected to the gear 224, so that the second motor 225 drives the gear 224 to rotate; the gear 224 is meshed with the semicircular outer gear ring 223. During the rotation of the gear 224, the gear 224 can drive the outer gear ring to rotate along the connecting frame 221; A second linear drive member 226 is correspondingly provided between each connecting frame 221 and the mounting frame 21 for driving the connecting frame 221 to move along the second direction. In the present disclosure, the second linear drive member 226 is a linear motor having a second guide portion 2261 and a second drive portion 2262. The second guide portion 2261 of the second linear drive member 226 is fixedly connected to the mounting frame 21 and is parallel to the second direction. The second drive portion 2262 can slide on the second guide portion 2261 along the second direction. The connecting frame 221 is fixedly connected to the second drive portion 2262 so as to move synchronously with the second drive portion 2262.

[0032] The implementation principle of a boiler gas pipeline cutting device in the embodiment of the present application is as follows: first, the rotating drive assembly 22 is adjusted to an open posture, and the pipeline is placed on the semicircular ring seat 222 close to the base 1, and then the second linear drive member 226 drives the two connecting frame bodies 221 to move toward the side close to each other until the second central axis of the semicircular ring seat 222 coincides with the first central axis of the support ring 31, and the pipeline can be fixed; Next, the first linear drive member 321 drives the cutting blade 323 to move toward the pipe, while the first motor 324 drives the cutting blade 323 to rotate to cut the pipe; During the process of cutting the pipe, the nozzle 42 sprays cooling liquid onto the cutting blade 323 to prevent the cutting blade 323 from being overheated; At the same time, during the process of cutting the pipe, the second motor 225 drives the semicircular outer gear ring 223 to rotate by rotating the driving gear 224, and the semicircular ring seat 222 rotates synchronously with the semicircular outer gear ring 223, thereby driving the pipe to rotate to cut the pipe.

[0033] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A boiler gas pipeline cutting device, characterized in that: include: Base (1); A pipeline rotation driving device (2), wherein the pipeline rotation driving device (2) is arranged on the base (1); as well as, A cutting component (3), wherein the cutting component (3) comprises: a support ring (31) having a first central axis, the first central axis of the support ring (31) being parallel to a first direction, and the support ring (31) being fixedly connected to the base (1); and A plurality of cutting assemblies (32), wherein the plurality of cutting assemblies (32) are evenly distributed circumferentially around the support ring (31), and the cutting assemblies (32) include: a sliding seat (322), the sliding seat (322) being slidably connected to the support ring (31) along the radial direction of the support ring (31); a first linear driving member (321), the first linear driving member (321) being connected between the sliding seat (322) and the supporting ring (31) so as to drive the sliding seat (322) to slide on the supporting ring (31) along the radial direction of the supporting ring (31); a cutting blade (323), wherein the cutting blade (323) is rotatably connected to the sliding seat (322) via a first rotating shaft, wherein the first rotating shaft is parallel to a first direction; the cutting blade (323) is located at one end of the sliding seat (322) close to the first central axis of the supporting ring (31); and, a first motor (324), the first motor (324) being connected between the cutting blade (323) and the sliding seat (322) to drive the cutting blade (323) to rotate along the sliding seat (322); The pipeline rotation driving device (2) and the cutting component (3) are distributed in a first direction, and the pipeline rotation driving device (2) is used to drive the pipeline to rotate around the first central axis of the support ring (31).

2. A boiler gas pipeline cutting device according to claim 1, characterized in that: The pipeline rotation driving device (2) comprises: A mounting frame (21); and A rotation drive assembly (22), wherein two of the rotation drive assemblies (22) are distributed in the second direction, and the rotation drive assembly (22) comprises: A connecting frame body (221) having a splicing surface (2211), wherein the splicing surface (2211) is arranged perpendicular to the second direction; the connecting frame body (221) is slidably connected to the mounting frame (21) along the second direction, so that the rotation drive assembly (22) can be adjusted between a clamping posture and an open posture; When the rotation drive assembly (22) is in a clamping posture, the joint surfaces (2211) of the two connecting frames (221) are in contact with each other; When the rotation drive assembly (22) is in an open position, a gap is formed in the second direction between the joint surfaces (2211) of the two connection frames (221); The rotation drive assembly (22) further comprises: A semicircular ring seat (222) having a first end wall surface (2221) and a second central axis, wherein the semicircular ring seat (222) is rotatably connected to the connecting frame (221) around the second central axis so that the semicircular ring seat (222) can be adjusted between an unlocking posture and a locking posture; When the semicircular ring seat (222) is in an unlocked posture, the first end wall surface (2221) of the semicircular ring seat (222) and the joint surface (2211) of the connecting frame body (221) are coplanar, and the connecting frame body (221) and the semicircular ring seat (222) are located on the same side of the joint surface (2211); and the semicircular ring seats (222) in the two rotating drive assemblies (22) are spliced ​​to form a full circle, and the first center axis and the second center axis coincide, and the two semicircular ring seats (222) are spliced ​​to form a clamping area (2222) for clamping a pipe; When the semicircular ring seat (222) is in a locked position, the first end wall surface (2221) and the splicing surface (2211) are not coplanar.

3. A boiler gas pipeline cutting device according to claim 2, characterized in that: The rotation drive assembly (22) further comprises: A semicircular outer toothed ring (223) having a second end wall surface (2231), wherein the semicircular outer toothed ring (223) is coaxially fixedly connected to the outer periphery of the semicircular ring seat (222), and the first end wall surface (2221) and the second end wall surface (2231) are coplanar; a gear (224), the gear (224) being rotatably connected to the connecting frame (221) via a second rotating shaft, the second rotating shaft being parallel to the first direction, the gear (224) being meshed with the semicircular outer gear ring (223); and, A second motor (225), the second motor (225) is connected between the gear (224) and the connecting frame (221) to drive the gear (224) to rotate along the connecting frame (221).

4. A boiler gas pipeline cutting device according to claim 3, characterized in that: The rotation drive assembly (22) further comprises a second linear drive member (226), and the second linear drive member (226) is correspondingly provided between each of the connecting frame bodies (221) and the mounting frame (21) for driving the connecting frame bodies (221) to move along a second direction.

5. A boiler gas pipeline cutting device according to claim 2, characterized in that: The inner peripheral wall of the semicircular ring seat (222) is fixedly connected with a rubber layer (227).

6. A boiler gas pipeline cutting device according to claim 5, characterized in that: It also includes a cooling component (4), each of the sliding seats (322) is provided with a corresponding cooling component (4), and the cooling component (4) includes: A nozzle (42), wherein the nozzle (42) is connected to the sliding seat (322), and the nozzle of the nozzle (42) faces the cutting blade (323).

7. A boiler gas pipeline cutting device according to any one of claims 3 to 6, characterized in that: The connecting frame body (221) is provided with a semi-circular guide groove (2223), and the guide groove (2223) forms a feed port at the joint surface (2211); the guide groove (2223) is coaxially arranged with the semi-circular ring seat (222); a guide semi-circular ring (228) adapted to the guide groove (2223) is fixedly connected to the semi-circular ring seat (222), and the semi-circular ring seat (222) rotates along the connecting frame body (221) via the guide semi-circular ring (228).

8. A boiler gas pipeline cutting device according to claim 7, characterized in that: The connecting frame (221) is provided with a chamfer (2224) at the feed inlet of the guide groove (2223).

9. A boiler gas pipeline cutting device according to claim 8, characterized in that: In the first direction, the pipeline rotation driving device (2) is correspondingly provided at each end of the cutting component (3).

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