A large-diameter pipe winding auxiliary tool

Abstract

The utility model relates to a large-diameter pipe winding auxiliary tooling, on which an adjustable support transmission component, an inner support positioning transmission component and a winding component are supported by a support component partition on a mounting base, and a pretreatment component for cleaning the area to be wound is also connected to the winding component; the winding component can be variably arranged on one side of the adjustable support transmission component in a manner of spirally winding the pipe supported and driven to rotate by the adjustable support transmission component; the inner support positioning transmission component can be adjustably inserted into the lumen from one end of the pipe to limit its relative position with the pipe in an inner support positioning manner, so that the inner support positioning transmission component cooperates with the adjustable support transmission component to drive the pipe to rotate. The utility model can adaptively limit and rotationally drive different large-diameter pipe bodies through an adjustable spacing transmission support structure and an inner support positioning transmission structure to improve the efficiency of rotary winding.

Description

Technical Field

[0001] The utility model relates to the technical field of large-diameter pipeline processing auxiliary equipment, in particular to a large-diameter pipeline winding auxiliary tooling. Background Art

[0002] With the rapid construction of urbanization and transportation systems, the laying volume of underground pipelines such as internal circulation water pipelines, fire water pipelines, industrial water pipelines and sewage pipelines has increased dramatically. In order to increase the service life of the pipelines and reduce the damage and corrosion of the external environment to the pipelines, it is usually necessary to perform anti-corrosion treatment on the pipeline surface to improve the stability and service life of the pipelines in the later stage, and enhance the impact resistance and self-stability of the pipelines in the external environment. At present, the commonly used anti-corrosion operations include adding anti-corrosion coatings to the inner and outer walls of the pipelines and coating the outer wall of the pipeline with a winding belt that can buffer external impacts, isolate it from the external environment and form an anti-corrosion barrier.

[0003] When taping the outer wall of the pipe, the operator can complete the taping of the small-diameter pipe directly through manual operation. However, for pipes with larger diameters, single manual processing has the problems of poor controllability and difficulty in operation, resulting in low efficiency of simple manual cold taping. In addition, the existing winding auxiliary tooling can only provide suspended support and rotational drive for pipes of a single size, and is inefficient. It cannot effectively adapt to and rotationally drive pipes of different diameters, and the existing winding auxiliary tooling cannot clean the pipe wall to be wound, and it is very easy for debris attached to the pipe wall to be wrapped and covered, affecting the winding and wrapping effect. Utility Model Content

[0004] The utility model aims to provide a large-diameter pipe winding auxiliary tooling which can adaptively limit and rotationally drive different large-diameter pipe bodies through a transmission support structure with adjustable spacing and an internal support positioning transmission structure, thereby improving the efficiency of rotational winding and effectively pressing the winding belt against the pipe wall whose surface has been cleaned in advance, so as to solve the problems that the existing pipe winding tooling only provides a single suspended support function but cannot perform adjustable adaptive limiting support and rotational drive for pipe bodies of different diameters, and has low rotation efficiency and winding efficiency, and the existing pipe winding tooling cannot clean the pipe to be wound, resulting in impurities attached to the surface that easily affect the winding effect and the later use effect.

[0005] The technical solution adopted by the utility model is: a large-diameter pipe winding auxiliary tooling, including a mounting base, on which an adjustable support transmission component, an inner support positioning transmission component and a winding component are supported in partitions by a support component, and a pretreatment component capable of cleaning the area to be wound is also connected to the winding component; the winding component is displaceably arranged on one side of the adjustable support transmission component in a manner that the pipe supported and driven to rotate by the adjustable support transmission component can be spirally wound; the inner support positioning transmission component can be adjustably inserted into the pipe cavity from one end of the pipe and limit its relative position with the pipe in an inner support positioning manner, so that the inner support positioning transmission component cooperates with the adjustable support transmission component to drive the pipe to rotate.

[0006] According to a preferred embodiment, the winding assembly includes a guide translation mechanism, a support block, a reel, a positioning shaft, an elastic positioning rod and a pressure roller, wherein the guide translation mechanism is supported on a mounting base by a third lifting support, and the support block is arranged on the upper surface of the sliding block of the guide translation mechanism; the reel for winding up a winding belt for winding pipe fittings is rotatably supported on the support block; the positioning shaft is threadedly penetrated on the side surface of the support block, and the elastic positioning rod is connected to the insertion front end of the positioning shaft close to the adjustable support transmission assembly; the end of the elastic positioning rod away from the positioning shaft is provided with the pressure roller capable of pressing the winding belt released from the reel against the surface of the pipe fitting.

[0007] According to a preferred embodiment, a threaded shaft is passed through the guide groove of the guide translation mechanism, and a sliding block partially placed in the guide groove is threadedly sleeved on the threaded shaft, so that the sliding block can translate along the groove direction of the guide groove under the rotation of the threaded shaft; a translation drive motor that can cooperate with the threaded shaft is also provided on the outer side of the guide groove.

[0008] According to a preferred embodiment, an elastic silicone sleeve is coated on the outer surface of the wheel body of the pressure roller.

[0009] According to a preferred embodiment, the pretreatment component includes a support plate, an air storage chamber, an air supply pipe, a connecting pipe and a nozzle, wherein the support plate is detachably mounted on the support block, and the top surface of the support plate is provided with the air storage chamber for storing the purge gas, the air storage chamber is connected to the connecting pipe arranged at the edge of the plate body of the support plate through the air supply pipe, and a plurality of the nozzles are plugged side by side on the side of the connecting pipe facing the pipe fitting.

[0010] According to a preferred embodiment, the two transmission rollers of the adjustable support transmission assembly are placed in parallel and limitedly on the support surface defined by the first lifting support member through an end connection mechanism; the first roller body of the transmission roller is transmission-connected to the first rotary drive motor installed on the outside of the end connection mechanism.

[0011] According to a preferred embodiment, a rotating sleeve is passed through the connecting strip of the end connecting mechanism, and a sliding groove is provided on the side of the connecting strip facing the driving roller, and the first roller body connected to the first rotary drive motor can be rotatably passed through the rotating sleeve.

[0012] According to a preferred embodiment, a sliding block is arranged in the slide groove, and a rotating bearing connected to the second roller body of the transmission roller is embedded on the side wall of the sliding block away from the slide groove; a positioning shaft which can be rotatably connected to the sliding block is also threadedly penetrated on the side of the sliding block away from the rotating sleeve.

[0013] According to a preferred embodiment, the inner support positioning transmission assembly includes a base, a transverse vertical plate, a second rotary drive motor and a variable diameter inner support assembly, wherein:

[0014] The base is supported on the mounting base by a second lifting support, and the base is provided with the transverse vertical plate which can be adjusted for transverse translation; the second rotary drive motor is provided on the plate surface of the transverse vertical plate facing the pipe fitting; the output end of the second rotary drive motor away from the transverse vertical plate is connected with the variable diameter inner support assembly which can be adjustably inserted into the tube cavity of the pipe fitting and abutted against the inner support of the pipe fitting.

[0015] According to a preferred embodiment, the plate body of the transverse vertical plate is installed on the base through parallel guide rails.

[0016] The beneficial effects of the utility model are:

[0017] The adjustable support transmission assembly provided in the present application can adjust the distance between the two drive rollers supported in parallel according to the caliber size of the pipe fitting, so as to effectively support the winding station of the limited pipe fitting and effectively drive the pipe fitting to rotate. The rotation transmission provided by the adjustable support transmission assembly can also cooperate with the inner support positioning transmission assembly to drive the pipe fitting to rotate with a dual driving force, so as to ensure the effectiveness of the rotation drive, the efficiency of the rotation winding process, and the clamping limit and drive adaptability for pipe fittings of different calibers. The inner support positioning transmission assembly can realize an adjustable abutment connection between it and the pipe fitting in the form of an adjustable inner support limit, so as to effectively locate the winding processing position of the pipe fitting and effectively and without slippage drive the pipe fitting to rotate. The winding assembly provided by itself can adjustably press the belt body against the surface of the pipe fitting and translate axially, so that the winding belt can be wrapped on the surface of the pipe fitting in a spiral winding manner during the rotation of the pipe fitting, ensuring the efficiency and uniformity of the spiral winding. The pretreatment component provided in the present application can clean the surface of the pipe to be wrapped, thereby ensuring the cleanliness of the outer wall of the pipe to improve the winding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of a preferred large-diameter pipe winding auxiliary tooling proposed by the utility model;

[0019] Figure 2 It is a partial side view of an adjustable support transmission assembly of a preferred large-diameter pipe winding auxiliary tooling proposed by the utility model;

[0020] Figure 3 It is a side view of a winding component and a pretreatment component of a preferred large-diameter pipe winding auxiliary tooling proposed by the utility model.

[0021] Reference numerals list

[0022] 1: Mounting base; 2: Support assembly; 3: Adjustable support transmission assembly; 4: Internal support positioning transmission assembly; 5: Winding assembly; 6: Pretreatment assembly; 7: Pipe fitting; 8: Winding belt; 21: First lifting support; 22: Second lifting support; 23: Third lifting support; 31: Transmission roller; 32: End connection mechanism; 33: First rotary drive motor; 41: Base; 42: Transverse vertical plate; 43: Second rotary drive motor; 44: Variable diameter internal support assembly; 51: Guide translation mechanism; 52: Support block; 53: Reel; 54: Adjustment plug shaft; 55: Elastic positioning rod; 56 : pressing roller; 61: supporting plate; 62: air storage chamber; 63: air delivery pipe; 64: connecting pipe; 65: nozzle; 311: first roller body; 312: second roller body; 321: connecting strip body; 322: rotating sleeve; 323: sliding groove; 324: sliding block; 325: rotating bearing; 326: adjusting shaft; 421: plate body; 422: parallel guide rails; 441: central column; 442: telescopic rod; 443: pressing block; 511: guide groove; 512: threaded shaft; 513: sliding block; 514: translation drive motor; 561: wheel body; 562: elastic silicone sleeve. DETAILED DESCRIPTION

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the utility model will be briefly introduced below in combination with the drawings and the descriptions of the embodiments or the prior art. Obviously, the following descriptions of the structures of the drawings are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] The technical solution provided by the present invention will be described in detail below by way of embodiments with reference to the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention. In some examples, some implementation methods are not described or are not described in detail because they belong to existing or conventional technologies.

[0025] In addition, the technical features recorded in this article, or the steps in all methods or processes disclosed, except for mutually exclusive features and / or steps, can also be combined in any suitable manner in one or more embodiments. For those skilled in the art, it is easy to understand that the steps or operation sequence of the methods related to the embodiments provided herein can also be changed. Any order in the drawings and embodiments is only for illustrative purposes and does not imply a requirement to follow a certain order unless it is explicitly stated that a certain order is required.

[0026] The serial numbers assigned to the components herein, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, under reasonable circumstances (not constituting a self-contradiction), include direct and indirect connections (couplings).

[0027] The following is a detailed description with reference to the accompanying drawings.

[0028] Example 1

[0029] The present application provides a large-diameter pipe winding auxiliary tooling, which includes a mounting base 1, a support assembly 2, an adjustable support transmission assembly 3, an inner support positioning transmission assembly 4, a winding assembly 5, a pretreatment assembly 6, a pipe fitting 7 and a winding belt 8.

[0030] according to Figure 1-3A specific embodiment is shown, in which an adjustable support transmission assembly 3, an inner support positioning transmission assembly 4 and a winding assembly 5 are supported in partitions on a mounting base 1 through a support assembly 2. A pretreatment assembly 6 capable of cleaning the area to be wound is also connected to the winding assembly 5. The winding assembly 5 is variably arranged on one side of the adjustable support transmission assembly 3 in a manner that can spirally wind the pipe 7 supported and driven to rotate by the adjustable support transmission assembly 3, so that it can translate along the axial direction of the pipe 7, so that its wound winding belt 8 is spirally wound onto the surface of the pipe 7. The inner support positioning transmission assembly 4 is adjustably inserted into the lumen from one end of the pipe 7 to limit its relative position with the pipe 7 in an inner support positioning manner, so that the inner support positioning transmission assembly 4 and the adjustable support transmission assembly 3 can cooperate to adaptively support and limit the multi-caliber pipes 7, so as to drive the pipe 7 to rotate in a dual-drive manner. The adjustable support transmission assembly 3 provided in the present application can adjust the distance between the two drive rollers 31 supported in parallel according to the caliber size of the pipe 7, so as to effectively support the winding position of the limited pipe 7 and effectively drive the pipe 7 to rotate. The rotation transmission provided by the adjustable support transmission assembly 3 can also cooperate with the inner support positioning transmission assembly 4 to drive the pipe 7 to rotate with a double driving force, so as to ensure the effectiveness of the rotation drive, the efficiency of the rotation winding process, and the clamping limit and drive adaptability for pipes 7 of different calibers. The inner support positioning transmission assembly 4 can realize the adjustable abutment connection between it and the pipe 7 in the form of adjustable inner support limit, so as to effectively locate the winding processing position of the pipe 7 and effectively and without slippage drive the pipe 7 to rotate. The winding assembly 5 provided by itself can adjustably press the belt body against the surface of the pipe 7 and translate axially, so that during the rotation of the pipe 7, the winding belt 8 can be wrapped on the surface of the pipe 7 in a spiral winding manner, so as to ensure the efficiency and uniformity of the spiral winding. The pretreatment component 6 provided in the present application can clean the surface of the pipe 7 to be wrapped, thereby ensuring the cleanliness of the outer wall of the pipe 7, improving the winding effect, and preventing impurities from causing wear on the pipe wall and the inner surface of the winding belt 8.

[0031] Preferably, the support assembly 2 includes a first lifting support member 21 supporting the adjustable support transmission assembly 3, a second lifting support member 22 supporting the inner support positioning transmission assembly 4, and a third lifting support member 23 supporting the winding assembly 5. The first lifting support member 21, the second lifting support member 22, and the third lifting support member 23 provided in the present application can adjust their support heights according to needs, so as to support different components in different height planes, so that multiple components can be adapted to pipes of different calibers, so as to facilitate external winding and wrapping of pipes of a larger size range.

[0032] Preferably, the adjustable support transmission assembly 3 includes a transmission roller 31, an end connection mechanism 32 and a first rotation drive motor 33. Further preferably, the two transmission rollers 31 are placed in parallel and limitedly on the support surface defined by the first lifting support member 21 through the end connection mechanism 32. Preferably, the first roller body 311 of the transmission roller 31 is transmission-connected to the first rotation drive motor 33 installed on the outer side of the end connection mechanism 32. Specifically, the transmission roller 31 includes a first roller body 311 and a second roller body 312. Preferably, a rotating sleeve 322 is provided on the connecting strip body 321 of the end connection mechanism 32. Further preferably, a sliding groove 323 is provided on the side of the connecting strip body 321 facing the transmission roller 31. Preferably, the first roller body 311 transmission-connected to the first rotation drive motor 33 is rotatably provided on the rotating sleeve 322. Preferably, a slider 324 is provided in the sliding groove 323. Preferably, a rotating bearing 325 connected to the second roller body 312 of the transmission roller 31 is inlaid on the side wall of the slider 324 away from the sliding groove 323. Preferably, a side of the chute 323 away from the rotating sleeve 322 is also threaded with an adjustment shaft 326 that can be rotatably connected to the slider 324, so as to limit the position of the slider 324 in the chute 323 by changing the length of the adjustment shaft 326 inserted into the chute 323, thereby limiting the distance between the first roller body 311 and the second roller body 312 arranged in parallel. The present application can adjust the distance between the first roller body 311 and the second roller body 312 of the transmission roller 31 used for position limiting support according to the radius of the large-diameter pipeline, so as to drive the pipe 7 to rotate while providing stable support, thereby facilitating the winding process of the belt body 8 on the surface of the pipe 7. The end connection mechanism 32 provided in the present application can adjustably limit the working position of the second roller body 312 while positioning the rotatable working position of the first roller body 311, so that the second roller body 312 can be parallel to the first roller body 311 and cooperate with the support pipe 7 while being able to translate and change the distance between the second roller body 312 and the first roller body 311, thereby achieving the stability of the clamping limit and the rotation transmission support.

[0033] Preferably, the inner support positioning transmission assembly 4 includes a base 41, a transverse vertical plate 42, a second rotation drive motor 43 and a variable diameter inner support assembly 44. Preferably, the base 41 is supported on the mounting base 1 by the second lifting support 22. Further preferably, a transverse vertical plate 42 that can be adjusted to perform transverse translation is provided on the base 41. Preferably, a second rotation drive motor 43 is provided on the plate surface of the transverse vertical plate 42 facing the pipe 7. Further preferably, the rotation speeds of the second rotation drive motor 43 and the first rotation drive motor 33 can be adjusted in advance, so that the rotational linear velocity of the support inner ring defined by the variable diameter inner support assembly 44 can be substantially equal to the rotational linear velocity of the first roller body 311, thereby synchronously and effectively driving the pipe 7 to rotate, reducing the risk of rotational slippage of the pipe 7. Preferably, the output end of the second rotation drive motor 43 away from the transverse vertical plate 42 is connected to a variable diameter inner support assembly 44 that is adjustably inserted into the lumen of the pipe 7 and abuts against the inner support of the pipe 7. Preferably, the plate body 421 of the transverse vertical plate 42 is mounted on the base 41 through the parallel guide rail 422, so that the variable diameter inner support assembly 44 can be adjusted to be inserted into the pipe mouth of the pipe fitting 7. Preferably, a first counterweight block is provided on the side of the base 41 away from the pipe fitting 7 to ensure that it is supported in a balanced manner. Further preferably, a second counterweight block is provided on the side of the transverse vertical plate 42 away from the second rotary drive motor 43 to maintain its force balance. Specifically, the slider of the parallel guide rail 422 is connected to the bottom of the plate body 421. The parallel guide rail 422 adopts the existing controllable translation electric drive guide rail structure, and its translation accuracy can be at the centimeter level, so that it can be laterally reciprocated when powered on to change the distance between the plate body 421 and the pipe fitting 7, so that the variable diameter inner support assembly 44 can be adjusted to be inserted into the pipe fitting 7. The inner support positioning transmission assembly 4 provided in the present application can be raised and lowered under the control of the second lifting support 22 to adapt to the pipes 7 with different diameters and different heights of the center axis of the pipe body, so that the second rotary drive motor 43 of the inner support positioning transmission assembly 4 and the variable diameter inner support assembly 44 can be translated in a specific height plane driven by the transverse vertical plate 42 so that the variable diameter inner support assembly 44 can be adjustably inserted into the center of the pipe 7, so that the relative position between the inner support positioning transmission assembly 4 and the pipe 7 can be limited by the annular interval through the expansion of the variable diameter inner support assembly 4, thereby facilitating the inner support positioning transmission assembly 4 to drive the pipe 7 to rotate.

[0034] Preferably, the variable diameter inner support assembly 44 includes a central column 441, a telescopic rod 442 and a pressure block 443. Further preferably, the central column 441 is connected to the transmission shaft of the second rotation drive motor 43 in a coaxial manner with the second rotation drive motor 43. Preferably, the side of the central column 441 is circumferentially spaced and supported with telescopic rods 442 that coincide with the central column 441 in a radial manner. Further preferably, the end of the telescopic rod 442 away from the central column 441 is provided with a pressure block 443 that can be adjusted and stably pressed against the inner wall surface of the pipe 7 to prevent relative sliding during transmission rotation. The telescopic rod 442 provided in the present application can adjust the size of the support surface constructed by the variable diameter inner support assembly 44, so as to adapt to pipes 7 of different calibers, so as to effectively drive the pipes 7 to rotate synchronously.

[0035] Preferably, the winding assembly 5 comprises a guide translation mechanism 51, a support block 52, a reel 53, a position adjustment plug shaft 54, an elastic positioning rod 55 and a pressure roller 56. Preferably, the guide translation mechanism 51 is supported on the mounting base 1 through the third lifting support 23. Preferably, a support block 52 is arranged on the upper surface of the sliding block 513 of the guide translation mechanism 51. Preferably, a reel 53 for winding a winding belt 8 for winding the pipe 7 is rotatably supported on the support block 52. Preferably, a position adjustment plug shaft 54 ​​is threadedly penetrated on the side surface of the support block 52, and an elastic positioning rod 55 is connected to the position adjustment plug shaft 54 ​​near the insertion front end of the adjustable support transmission assembly 3. Preferably, a pressure roller 56 capable of pressing the winding belt 8 released from the reel 53 against the surface of the pipe 7 is arranged at one end of the elastic positioning rod 55 away from the position adjustment plug shaft 54. The positioning plug shaft 54, elastic positioning rod 55 and pressing roller 56 provided in the present application can adjust the pressing position according to the different calibers of the pipe 7, so as to effectively press and wrap the winding belt 8 to the surface of the pipe 7. Preferably, the end of the winding belt 8 is provided with adhesive and a detachable positioning clamp, so that after the winding belt 8 and the pipe 7 are manually positioned, the continuous output and translation of the winding assembly 5 and the rotation of the pipe 7 are coordinated to complete the winding process of the winding belt 8. The guide translation mechanism 51 provided in the present application can drive the support block 52, the reel 53, the positioning plug shaft 54, the elastic positioning rod 55 and the pressing roller 56 to perform axial translation, so that it can wrap the outer wall of the pipe 7 with the winding belt 8 in a spiral winding manner, thereby ensuring the effect and efficiency of the winding, and ensuring the uniformity of the spiral angle to ensure the comprehensiveness of the winding package. The reel 53 provided in the present application can reel in and release the winding belt 8, so as to effectively realize the winding process of the pipe 7.

[0036] Preferably, a threaded shaft 512 is inserted into the guide groove 511 of the guide translation mechanism 51. Further preferably, a sliding block 513 partially placed in the guide groove 511 is threadedly sleeved on the threaded shaft 512, so that the sliding block 513 can translate along the slotting direction of the guide groove 511 under the rotation of the threaded shaft 512. Preferably, a translation driving motor 514 that can be driven by the threaded shaft 512 is also provided on the outer side of the guide groove 511. Preferably, the slotting direction refers to the length direction of the guide groove 511. Preferably, an elastic silicone sleeve 562 that can ensure effective contact is coated on the outer surface of the wheel body 561 of the pressing roller 56.

[0037] Preferably, the pretreatment component 6 includes a support plate 61, an air storage chamber 62, an air supply pipe 63, a connecting pipe 64 and a nozzle 65. Preferably, the support plate 61 is detachably mounted on the support block 52. Preferably, an air storage chamber 62 for storing purge gas is provided on the top surface of the support plate 61. Specifically, the air storage chamber 62 is connected to a connecting pipe 64 provided on the edge of the plate body of the support plate 61 through an air supply pipe 63. Further preferably, a plurality of nozzles 65 are plugged side by side on the side of the connecting pipe 64 facing the pipe 7. Preferably, an electromagnetic switch valve for limiting the airflow output to the air supply pipe 63 is provided at the output end of the air storage chamber 62. The pretreatment component 6 provided in the present application can purge and clean the pipe wall of the pipe 7 to be wound according to the winding requirements, thereby effectively cleaning the impurities attached to the surface of the pipe wall, thereby improving the winding effect and quality, so as to improve the service life of the winding belt 8 and the pipe 7, and avoid direct impact damage to the pipe wall caused by impurities.

[0038] The present utility model is not limited to the above optional implementation modes. Anyone can derive other various forms of products under the inspiration of the present utility model. However, no matter what changes are made in the shape or structure, all technical solutions that fall within the scope of the claims of the present utility model fall within the protection scope of the present utility model. Those skilled in the art should understand that the present utility model specification and its drawings are illustrative and do not constitute limitations on the claims. The protection scope of the present utility model is defined by the claims and their equivalents. Throughout the text, the features guided by "preferably" are only an optional method and should not be understood as having to be set. Therefore, the applicant reserves the right to abandon or delete the relevant preferred features at any time.

Claims

1. A large-diameter pipe winding auxiliary tool, comprising a mounting base (1), characterized in that: An adjustable support transmission assembly (3), an inner support positioning transmission assembly (4) and a winding assembly (5) are supported in sections on the installation base (1) through a support assembly (2). The winding assembly (5) is also connected to a pre-treatment assembly (6) capable of cleaning the area to be wound; The winding assembly (5) is variably arranged on one side of the adjustable support transmission assembly (3) in a manner capable of spirally winding the pipe (7) supported and driven to rotate by the adjustable support transmission assembly (3); The inner support positioning transmission component (4) can be adjusted to be inserted into the tube cavity from one end of the tube (7) to limit the relative position between it and the tube (7) in an inner support positioning manner, so that the inner support positioning transmission component (4) cooperates with the adjustable support transmission component (3) to drive the tube (7) to rotate.

2. The large-diameter pipe winding auxiliary tooling according to claim 1 is characterized in that: The winding assembly (5) comprises a guide translation mechanism (51), a support block (52), a reel (53), a position adjustment plug shaft (54), an elastic positioning rod (55) and a pressing roller (56), wherein: The guide translation mechanism (51) is supported on the mounting base (1) via a third lifting support member (23), and the support block (52) is arranged on the upper surface of the sliding block (513) of the guide translation mechanism (51); The reel (53) on which the winding belt (8) for winding the pipe (7) is wound is rotatably supported on the support block (52); The side surface of the support block (52) is threadedly provided with the adjustment shaft (54), and the front end of the adjustment shaft (54) close to the insertion of the adjustable support transmission assembly (3) is connected to the elastic positioning rod (55); The end of the elastic positioning rod (55) away from the positioning plug shaft (54) is provided with the pressing roller (56) capable of pressing the winding belt (8) released by the reel (53) against the surface of the pipe (7).

3. The large-diameter pipe winding auxiliary tooling according to claim 2 is characterized in that: A threaded shaft (512) is inserted into the guide groove (511) of the guide translation mechanism (51), and a sliding block (513) partially disposed in the guide groove (511) is threadedly sleeved on the threaded shaft (512), so that the sliding block (513) can translate along the groove direction of the guide groove (511) under the rotation of the threaded shaft (512); A translation driving motor (514) capable of translating with the threaded shaft (512) is also provided on the outer side of the guide groove (511).

4. The large-diameter pipe winding auxiliary tooling according to claim 3 is characterized in that: An elastic silicone sleeve (562) is coated on the outer surface of the wheel body (561) of the pressing roller (56).

5. The large-diameter pipe winding auxiliary tooling according to claim 4 is characterized in that: The pretreatment assembly (6) comprises a support plate (61), an air storage chamber (62), an air delivery pipe (63), a connecting pipe (64) and a nozzle (65), wherein: The support plate (61) is detachably mounted on the support block (52), and the top surface of the support plate (61) is provided with the gas storage chamber (62) for storing the purge gas, and the gas storage chamber (62) is connected to the connecting pipe (64) arranged at the edge of the plate body of the support plate (61) through a gas delivery pipe (63). A plurality of nozzles (65) are plugged in parallel on a side of the connecting pipe (64) facing the pipe member (7).

6. The large-diameter pipe winding auxiliary tooling according to claim 5 is characterized in that: The two transmission rollers (31) of the adjustable support transmission assembly (3) are placed in parallel and position-limited on the support surface defined by the first lifting support member (21) through an end connection mechanism (32); The first roller body (311) of the driving roller (31) is drivingly connected to a first rotating driving motor (33) installed outside the end connection mechanism (32).

7. The large-diameter pipe winding auxiliary tool as claimed in claim 6, characterized in that: A rotating shaft sleeve (322) is provided on the connecting strip body (321) of the end connecting mechanism (32), and a sliding groove (323) is provided on the side of the connecting strip body (321) facing the driving roller (31). The first roller body (311) drivingly connected to the first rotary drive motor (33) is rotatably inserted into the rotating shaft sleeve (322).

8. The large-diameter pipe winding auxiliary tool as claimed in claim 7, characterized in that: A slider (324) is arranged in the slide groove (323), and a rotating bearing (325) connected to the second roller body (312) of the driving roller (31) is embedded on the side wall of the slider (324) away from the slide groove (323); A position adjustment shaft (326) capable of being rotatably connected to the slider (324) is also threadedly penetrated on one side of the slide groove (323) away from the rotating shaft sleeve (322).

9. The large-diameter pipe winding auxiliary tool as claimed in claim 8, characterized in that: The inner support positioning transmission assembly (4) comprises a base (41), a transverse vertical plate (42), a second rotary drive motor (43) and a variable diameter inner support assembly (44), wherein: The base (41) is supported on the mounting base (1) via a second lifting support member (22), and the transverse moving vertical plate (42) which can be adjusted to perform transverse translation is arranged on the base (41); The second rotary drive motor (43) is arranged on the plate surface of the transverse vertical plate (42) facing the pipe (7); The output end of the second rotary drive motor (43) away from the transverse vertical plate (42) is connected to the variable diameter inner support assembly (44) which can be adjustably inserted into the tube cavity of the tube (7) and abutted against the inner support of the tube (7).

10. The large-diameter pipe winding auxiliary tool as claimed in claim 9, characterized in that: The plate body (421) of the transverse vertical plate (42) is installed on the base (41) via parallel guide rails (422).

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