Pipeline dismounting auxiliary device and construction method

Abstract

The invention provides a pipeline dismounting auxiliary device and a construction method.The device comprises a supporting shell, a lifting assembly and a driving assembly, the supporting shell is provided with a magnetic attraction part and a clamping part which are oppositely arranged, the magnetic attraction part is used for attracting a to-be-mounted bolt, and the clamping part is used for placing a to-be-mounted nut; the lifting assembly is arranged on the supporting shell, connected with the clamping piece and used for driving the clamping piece to be close to or away from the magnetic attraction piece. The driving assembly is arranged on the supporting shell, connected with the clamping piece and used for driving the clamping piece to rotate. The pipeline bolt dismounting device has the beneficial effects that bolt dismounting between pipelines in a limited space is achieved, the structure is simple, operation is convenient and fast, and the working efficiency is improved. And by arranging the lifting assembly and the driving assembly, connection of the bolts is firmer, and the connection quality of the pipeline is guaranteed advantageously. And by arranging the micro camera, the connection condition can be observed manually in real time, and the construction quality is further guaranteed.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of building engineering, and particularly relates to a pipeline dismounting auxiliary device and a construction method. BACKGROUND

[0002] During installation of mechanical and electrical equipment of public buildings or residential buildings, pipelines are key components, and pipeline installation quality directly affects performance of mechanical and electrical engineering. During installation, pipelines of various sizes and shapes are involved, and in addition to flange connection, bolt connection is often used, which puts forward higher requirements for pipeline installation work. During mechanical and electrical installation, different professionals cross construction, synchronous installation, and pipelines are dense, and when equipment and pipelines are close in elevation and positioning, the space is narrow, and construction personnel are restricted in pipeline connection construction, cannot connect bolts between pipelines, and thus affect overall installation progress and quality. SUMMARY

[0003] To solve the above technical problems, the application provides a pipeline dismounting auxiliary device and a construction method, which effectively solve the technical problem that construction personnel cannot connect bolts between pipelines in a restricted space, and overcome the shortcomings of the prior art.

[0004] The technical scheme adopted by the application is as follows: a pipeline dismounting auxiliary device, comprising,

[0005] A support shell is provided with a magnetic attraction element and a clamping element arranged oppositely, the magnetic attraction element is used for attracting a bolt to be installed, and the clamping element is used for placing a nut to be installed;

[0006] A lifting assembly is arranged on the support shell and connected with the clamping element, and is used for driving the clamping element to approach or move away from the magnetic attraction element;

[0007] A driving assembly is arranged on the support shell and connected with the clamping element, and is used for driving the clamping element to rotate.

[0008] Further, the support shell comprises a bending part and a rod part arranged in connection, the magnetic attraction element is arranged at one end of the bending part away from the rod part, the clamping element is arranged at a connecting end of the bending part and the rod part and inserted into the rod part, and the lifting assembly and the driving assembly are arranged in the rod part.

[0009] Further, the clamping element comprises,

[0010] A first connecting rod is provided with a transmission clamping groove, and the transmission clamping groove is connected with the lifting assembly;

[0011] A second connecting rod is rotatably connected with the first connecting rod, and a clamping groove is arranged on the end of the second connecting rod away from the first connecting rod and extending out of the connecting end of the rod part and the bending part, for placing a nut to be installed, and the second connecting rod is connected with the driving assembly.

[0012] Further, the lifting assembly comprises a first gear and a first motor, the first gear is engaged with the transmission clamping groove, and the first motor is connected with the first gear.

[0013] Further, the first connecting rod is provided with a limiting assembly at the end away from the second connecting rod, and the limiting assembly passes through limiting grooves on the rod part and can move along the limiting grooves.

[0014] Further, the limiting assembly comprises a limiting plate and a limiting rod, the limiting plate is arranged at the end of the first connecting rod away from the second connecting rod, and the limiting rod is arranged on both sides of the limiting plate and passes through the limiting groove.

[0015] Further, the driving assembly comprises,

[0016] A second gear is arranged on the second connecting rod;

[0017] A third gear is engaged with the second gear;

[0018] A second motor is connected with the third gear.

[0019] Further, a miniature camera is arranged on the bending part, and a display screen is arranged at the end of the rod part away from the bending part, and the miniature camera is connected with the display screen.

[0020] Further, a lighting lamp is arranged on the bending part.

[0021] The application also provides a construction method using the pipeline dismounting auxiliary device, comprising the following steps,

[0022] The magnetic member is used to adsorb the bolt to be installed, and the nut to be installed is placed on the clamping member;

[0023] The magnetic member and the clamping member are placed on both sides of the ring plate of the outer circumferential part of the pipeline, and the bolt passes through the mounting hole on the ring plate;

[0024] The lifting assembly is started, so that the clamping member drives the nut to be installed to be sleeved on the bolt;

[0025] The driving assembly is started, so that the clamping member drives the nut to be installed to rotate and be locked with the bolt.

[0026] The application has the advantages and positive effects that: due to the above technical scheme, the rod part of the support shell is in an elongated structure, suitable for use in a narrow space with limited pipeline dense construction, realizing the disassembly and assembly of the bolts between the pipelines in the limited space, simple structure, convenient operation, improved work efficiency, and ensured construction progress. The lifting assembly and the driving assembly are arranged, the connection of the bolts is more fastened, and the connection quality of the pipelines is ensured. The miniature camera is arranged, the connection condition is observed in real time by the worker, and the construction quality is further ensured. BRIEF DESCRIPTION OF DRAWINGS

[0027] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description thereof taken in conjunction with the accompanying drawings. The drawings provided below are for illustrative purposes and are included to further convey the principles of the present application, and are not intended to limit the present application. In the drawings, like reference numerals refer to like elements or steps throughout.

[0028] Figure 1 is a schematic view of a pipeline disassembly and assembly auxiliary device according to an embodiment of the present application.

[0029] Figure 2 is a schematic view of a bending part of a pipeline disassembly and assembly auxiliary device according to an embodiment of the present application.

[0030] Figure 3 is a schematic view of a magnetic attraction groove of a pipeline disassembly and assembly auxiliary device according to an embodiment of the present application.

[0031] Figure 4 is a schematic view of a first connecting rod connection of a pipeline disassembly and assembly auxiliary device according to an embodiment of the present application.

[0032] Figure 5 is a schematic view of a second connecting rod connection of a pipeline disassembly and assembly auxiliary device according to an embodiment of the present application.

[0033] Figure 6 is a schematic view of a handle of a pipeline disassembly and assembly auxiliary device according to an embodiment of the present application.

[0034] In the drawings:

[0035] 10, support shell 11, bending part 12, rod part

[0036] 13, handle 14, arc-shaped groove 15, mounting groove

[0037] 16, limiting groove 20, lifting assembly 21, first motor

[0038] 22, first gear 23, first start key 30, driving assembly

[0039] 31, second motor 32, second gear 33, third gear

[0040] 34, second start key 40, magnetic suction element 41, magnetic suction groove

[0041] 50, clamping element 51, first connecting rod 52, second connecting rod

[0042] 53, transmission clamping groove 54, clamping groove 60, limiting assembly

[0043] 61, limiting plate 62, limiting rod 70, miniature camera

[0044] 80, display screen 90, illuminating lamp DETAILED DESCRIPTION

[0045] The embodiment of the present application provides a pipeline dismounting auxiliary device and a construction method, and the embodiment of the present application will be described below with reference to the drawings.

[0046] In the description of the embodiment of the present application, it should be understood that the orientation or position relationship indicated by the terms such as "top", "bottom" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "arrangement", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood through specific circumstances.

[0047] As Figure 1As shown, the pipeline dismounting auxiliary device comprises a support shell 10, a lifting assembly 20 and a driving assembly 30. The support shell 10 is provided with a magnetic member 40 and a clamping member 50 arranged oppositely. The magnetic member 40 is used for adsorbing a bolt to be installed, and the clamping member 50 is used for placing a nut to be installed and clamping the outer edge of the nut. The lifting assembly 20 is arranged on the support shell 10 and connected with the clamping member 50, and is used for driving the clamping member 50 to move close to or away from the magnetic member 40, so that the nut is sleeved on the bolt. The driving assembly 30 is arranged on the support shell 10 and connected with the clamping member 50, and is used for driving the clamping member 50 to rotate, so that the nut is fastened with the bolt. The support shell 10 is arranged in a strip shape. In a limited space, the support shell 10 is moved, and a ring plate of a peripheral part of a pipeline is placed between the magnetic member 40 and the clamping member 50. The support shell 10 is moved, so that the bolt passes through an installation hole of the ring plate. Through the arrangement of the lifting assembly 20 and the driving assembly 30, the nut is rotated and moved axially along itself to move close to the bolt. After the nut is locked with the bolt, the clamping member 50 is moved away from the magnetic member 40 by using the lifting assembly 20, so that the clamping member 50 is separated from the nut, and the connection of the bolt and the nut in the limited space is completed.

[0048] Specifically, as shown in Figure 2 and Figure 3 The support shell 10 comprises a bending part 11 and a rod part 12 arranged in connection. The magnetic member 40 is arranged at one end of the bending part 11 away from the rod part 12, and the clamping member 50 is arranged at the connecting end of the bending part 11 and the rod part 12 and inserted into the rod part 12. The lifting assembly 20 and the driving assembly 30 are arranged in the rod part 12, and the part of the clamping member 50 inserted into the rod part 12 is connected with the lifting assembly 20 and the driving assembly 30. Preferably, the bending part 11 is arranged in a C shape. The magnetic member 40 and the clamping member 50 are arranged at two ends of the C-shaped bending part 11, and can reserve a placing space for the ring plate of the peripheral part of the pipeline.

[0049] Preferably, in order to facilitate the adsorption and fixation of the bolt, the magnetic member 40 is provided with a magnetic groove 41.

[0050] Specifically, as shown in Figure 4 and Figure 5As shown, the clamping piece 50 includes a first connecting rod 51 and a second connecting rod 52. The first connecting rod 51 and the second connecting rod 52 are coaxially arranged and arranged in the rod portion 12 along the length of the rod portion 12. The first connecting rod 51 is arranged at the bottom of the second connecting rod 52. The end of the second connecting rod 52 close to the first connecting rod 51 is arranged as a necked section. The first connecting rod 51 is provided with a groove close to the end of the second connecting rod 52. The groove is matched with the necked section. The necked section can rotate in the groove, so that the first connecting rod 51 and the second connecting rod 52 are rotationally connected. The end of the second connecting rod 52 away from the first connecting rod 51 extends out of the connecting end of the rod portion 12 and the bending portion 11 and is provided with a clamping groove 54. The shape of the clamping groove 54 is matched with the nut and is used to place the nut to be installed. The shape of the clamping groove 54 is arranged according to the shape of the nut and can clamp the outer edge of the nut to drive it to rotate. Usually, the outer edge shape of the nut is a regular polygon. Preferably, the shape of the clamping groove 54 is a regular polygon. The first connecting rod 51 is provided with a transmission clamping groove 53 arranged along the length of the first connecting rod 51 and connected with the lifting assembly 20. The lifting assembly 20 can drive the first connecting rod 51 and the second connecting rod 52 to move along the rod portion 12 through the transmission clamping groove 53, so as to drive the nut in the clamping groove 54 to approach or move away from the bolt attracted by the magnetic attraction piece 40. The second connecting rod 52 is connected with a driving assembly 30. The driving assembly 30 can drive the second connecting rod 52 to rotate.

[0051] Specifically, the lifting assembly 20 includes a first gear 22 and a first motor 21. The first gear 22 is engaged with the transmission clamping groove 53. The first motor 21 is installed on the side wall of the rod portion 12 and is fixedly connected with the output end of the first gear 22. The first motor 21 drives the first gear 22 to rotate. The first gear 22 drives the transmission clamping groove 53 to move, thereby driving the first connecting rod 51 and the second connecting rod 52 to move along the rod portion 12.

[0052] Preferably, the end of the first connecting rod 51 away from the second connecting rod 52 is provided with a limiting assembly 60. The two ends of the limiting assembly 60 pass through the limiting grooves 16 on the rod portion 12 and can move along the limiting grooves 16.

[0053] The limiting assembly 60 includes a limiting plate 61 and limiting rods 62. The limiting plate 61 is arranged at the end of the first connecting rod 51 away from the second connecting rod 52. The limiting rods 62 are arranged on both sides of the limiting plate 61 and pass through the limiting grooves 16. The limiting plate 61 is fixedly connected with the end of the first connecting rod 51. The limiting rods 62 are fixedly connected with both sides of the limiting plate 61 and are arranged perpendicularly to the first connecting rod 51. The limiting grooves 16 are arranged on the opposite sides of the rod portion 12 along the length of the rod portion 12. The limiting rods 62 extend out of the limiting grooves 16. When the lifting assembly 20 drives the first connecting rod 51 to move up and down, the limiting rods 62 move in the limiting grooves 16 to limit the first connecting rod 51.

[0054] Specifically, the driving assembly 30 comprises a second gear 32, a third gear 33 and a second motor 31. The second gear 32 is sleeved on the second connecting rod 52 and fixedly connected with the second connecting rod 52. The third gear 33 is externally meshed with the second gear 32. The output end of the second motor 31 is connected with the third gear 33. The second motor 31 is fixed on the side wall of the rod portion 12. The second motor 31 drives the third gear 33 to rotate, the third gear 33 drives the second gear 32 to rotate, thereby driving the second connecting rod 52 to rotate, so that the nut in the clamping groove 54 rotates. The second gear 32 and the third gear 33 can be cylindrical gears with parallel central axes, or be bevel gears with vertical central axes.

[0055] It should be noted that the length of the teeth of the second gear 32 and the third gear 33 should be adaptively configured according to the moving distance of the clamping piece 50, so that the second gear 32 and the third gear 33 always remain meshing transmission during the process that the clamping piece 50 approaches the magnetic piece 40, and are not completely separated. Since the ring plate of the outer peripheral portion of the pipeline is a sheet shape, and the lengths of the bolts for connecting the pipeline are relatively small, the moving distance of the clamping piece 50 will not be very large, so the size of the ordinary gear can meet the above use requirements.

[0056] Preferably, as shown in the figure, Figure 6 The end of the rod portion 12 away from the bending portion 11 is fixed with a handle 13. By arranging the handle 13, it is more convenient for the construction personnel to hold and move the entire device. An arc-shaped groove 14 is arranged on the side of the handle 13 close to the rod portion 12, for adapting to the bending state of the fingers, and a mounting groove 15 is arranged on the other side. The first starting key 23 and the second starting key 34 are mounted in the mounting groove 15. The first starting key 23 is connected with the first motor 21, and the second starting key 34 is connected with the second motor 31, so that the starting and stopping of the first motor 21 and the second motor 31 are more convenient and fast. Preferably, the first starting key 23 and the second starting key 34 each comprise a forward rotation key and a reverse rotation key, so as to drive the first motor 21 and the second motor 31 to rotate forward and reverse.

[0057] Preferably, a miniature camera 70 is arranged on the bending portion 11. Since the installation and connection position of part of the pipeline is relatively high, the human eye is not convenient to observe, by arranging the miniature camera 70 on the bending portion 11, the connection condition can be monitored in real time. Further, in order to facilitate observation, the end of the rod portion 12 away from the bending portion 11 is fixed with a display screen 80, which is connected with the miniature camera 70, for receiving and displaying the image recorded by the miniature camera 70, so as to observe the installation position of the bolt. Preferably, the display screen 80 is mounted on the handle 13.

[0058] Preferably, a lighting lamp 90 is arranged on the bending portion 11. Since part of the pipeline of the pipeline construction is relatively dark. By arranging the lighting lamp 90, the recording environment of the miniature camera 70 is illuminated, so as to facilitate clear recording.

[0059] The utility model provides an auxiliary device for pipeline dismounting, which comprises a support shell 10, a lifting assembly 20 and a driving assembly 30. The support shell 10 comprises a C-shaped bending part 11, a rod part 12 and a handle 13 connected together, a magnetic member 40 is arranged at one end of the bending part 11 away from the rod part 12, a clamping member 50 is arranged at the connecting end of the bending part 11 and the rod part 12 and is inserted into the rod part 12, and the magnetic member 40 and the clamping member 50 are oppositely arranged. The lifting assembly 20 and the driving assembly 30 are arranged in the rod part 12, and the part of the clamping member 50 inserted into the rod part 12 is connected with the lifting assembly 20 and the driving assembly 30. A magnetic slot 41 is formed in the magnetic member 40 and is used for attracting a bolt to be installed. The clamping member 50 comprises a first connecting rod 51 and a second connecting rod 52. The first connecting rod 51 and the second connecting rod 52 are coaxially arranged and are arranged in the rod part 12 along the length of the rod part 12, the first connecting rod 51 is arranged at the bottom of the second connecting rod 52, one end of the second connecting rod 52 close to the first connecting rod 51 is arranged as a necked section, a recess is formed in one end of the first connecting rod 51 close to the second connecting rod 52, the recess is matched with the necked section, the necked section can rotate in the recess, and the first connecting rod 51 and the second connecting rod 52 are rotatably connected. One end of the second connecting rod 52 away from the first connecting rod 51 is arranged with a clamping slot 54 at the connecting end of the rod part 12 and the bending part 11. The shape of the clamping slot is a regular polygon and is matched with the outer edge of a nut. A transmission clamping slot 53 is arranged on the first connecting rod 51 along the length of the first connecting rod 51 and is connected with the lifting assembly 20. The second connecting rod 52 is connected with the driving assembly 30. The lifting assembly 20 comprises a first gear 22 and a first motor 21, the first gear 22 is engaged with the transmission clamping slot 53, the first motor 21 is mounted on the side wall of the rod part 12 and is fixedly connected with the first gear 22 at the output end. One end of the first connecting rod 51 away from the second connecting rod 52 is arranged with a limiting assembly 60, the limiting assembly 60 comprises a limiting plate 61 and limiting rods 62, the limiting plate 61 is fixed at one end of the first connecting rod 51 away from the second connecting rod 52, the limiting rods 62 are fixed at both sides of the limiting plate 61 and are arranged perpendicularly to the first connecting rod 51 and pass through limiting slots 16 on the rod part 12 and can move along the limiting slots 16. The limiting slots 16 are arranged on the opposite sides of the rod part 12 along the length of the rod part 12. The driving assembly 30 comprises a second gear 32, a third gear 33 and a second motor 31. The second gear 32 is sleeved on the second connecting rod 52 and is fixedly connected with the second connecting rod 52. The third gear 33 is engaged with the second gear 32. The third gear 33 and the second gear 32 are arranged as bevel gears with the central axes perpendicular to each other. The output end of the second motor 31 is connected with the third gear 33. The second motor 31 is fixed on the side wall of the rod part 12. An arc-shaped recess 14 is formed in one side of the handle 13 close to the rod part 12 and is used for matching the bending state of a finger, and an installation slot 15 is formed in the other side. A first starting key 23 and a second starting key 34 are installed in the installation slot 15. A miniature camera 70 and an illuminating lamp 90 are fixed on the bending part 11.

[0060] A construction method using the pipeline dismounting auxiliary device, comprising the following steps:

[0061] The magnetic attraction piece 40 is used to adsorb the bolt to be installed, the bolt is adsorbed and fixed in the magnetic attraction groove 41, and the nut to be installed is placed in the clamping groove 54 of the clamping piece 50, and the clamping groove 54 clamps the outer edge of the nut;

[0062] The construction personnel hold the handle 13 and move the whole device, place the magnetic attraction piece 40 and the clamping piece 50 on both sides of the ring plate of the outer peripheral part of the pipeline, and pass the bolt through the mounting hole on the ring plate;

[0063] The forward rotation key of the first starting key 23 is pressed, the lifting assembly 20 is started, the first starting key 23 drives the first motor 21 to start, the first motor 21 drives the first gear 22 to rotate, the first gear 22 drives the first connecting rod 51 and the second connecting rod 52 to move upwards at the same time through the clamping groove 54, the clamping piece 50 drives the nut to move close to the magnetic attraction piece 40, and the nut is sleeved on the bolt;

[0064] Meanwhile, the forward rotation key of the second starting key 34 is pressed, the driving assembly 30 is started, the second starting key 34 drives the second motor 31 to start; the second motor 31 drives the second gear 32 to rotate, the second gear 32 drives the third gear 33 and the second connecting rod 52 to rotate, so that the clamping piece 50 drives the nut to rotate, and the nut is locked with the bolt;

[0065] The reverse rotation key of the first starting key 23 is pressed, the first motor 21 is reversed, the first motor 21 drives the first gear 22 to rotate in the reverse direction, the first gear 22 drives the first connecting rod 51 and the second connecting rod 52 to move downwards at the same time through the clamping groove 54, and the clamping piece 50 is separated from the nut;

[0066] The handle 13 is held, and the whole device is moved to the next construction position.

[0067] During installation, the illuminating lamp 90 is used for illumination, the miniature camera 70 is used for recording the connection, and the display screen 80 is used for observation.

[0068] The application has the advantages and positive effects that:

[0069] 1. The support shell rod part is in an elongated structure, is suitable for use in a narrow space with limited pipeline construction, realizes the dismounting and mounting of the bolt between pipelines in the limited space, has simple structure, convenient operation, improves work efficiency and guarantees construction progress.

[0070] 2. The lifting assembly and the driving assembly are arranged, the connection of the bolt is more firm, and the connection quality of the pipeline is guaranteed.

[0071] 3. By setting the miniature camera, it is beneficial for artificial real-time observation of the connection condition, and further guarantees the construction quality.

[0072] Hereinbefore, the embodiments of the present disclosure have been described in detail in combination with the drawings. It should be noted that the implementation manners not shown or described in the drawings or the text of the specification are the forms known by those skilled in the art, and are not described in detail. In addition, the definitions of the above-mentioned components are not limited to the various specific structures, shapes or manners mentioned in the embodiments, and can be simply changed or replaced by those skilled in the art.

[0073] The embodiments of the present application have been described in detail above, but the above description is only the preferred embodiments of the present application, and cannot be considered as limiting the scope of the present application. Any equivalent changes and improvements made according to the scope of the present application should still belong to the patent coverage of the present application.

Claims

1. A pipe disassembly and assembly auxiliary device, characterized in that: include, The supporting housing is provided with a magnetic suction component and a snap-fit ​​component arranged opposite to each other. The magnetic suction component is used to attract the bolt to be installed, and the snap-fit ​​component is used to hold the nut to be installed. A lifting assembly is disposed on the support housing and connected to the snap-fit ​​component, used to move the snap-fit ​​component closer to or away from the magnetic suction component; A drive component is disposed on the support housing and connected to the snap-fit ​​component, used to drive the snap-fit ​​component to rotate.

2. The pipe disassembly and assembly auxiliary device according to claim 1, characterized in that: The support housing includes a bent portion and a rod portion connected together. The magnetic suction member is located at the end of the bent portion away from the rod portion. The snap-fit ​​member is located at the connection end between the bent portion and the rod portion and is inserted into the rod portion. The lifting assembly and the driving assembly are located inside the rod portion.

3. The pipe disassembly and assembly auxiliary device according to claim 2, characterized in that: The snap-fit ​​component includes, The first connecting rod is provided with a transmission slot, which is connected to the lifting assembly. The second connecting rod is rotatably connected to the first connecting rod. The end of the second connecting rod away from the first connecting rod extends out of the connection end between the rod part and the bent part and is provided with a snap-fit ​​groove for placing the nut to be installed. The drive assembly is connected to the second connecting rod.

4. The pipe disassembly and assembly auxiliary device according to claim 3, characterized in that: The lifting assembly includes a first gear and a first motor. The first gear meshes with the transmission slot, and the first motor is connected to the first gear.

5. A pipe disassembly and assembly auxiliary device according to claim 3 or 4, characterized in that: The first connecting rod has a limiting component at one end away from the second connecting rod. Both ends of the limiting component pass through the limiting groove on the rod and can move along the limiting groove.

6. The pipe disassembly and assembly auxiliary device according to claim 5, characterized in that: The limiting assembly includes a limiting plate and a limiting rod. The limiting plate is disposed at the end of the first connecting rod away from the second connecting rod, and the limiting rod is disposed on both sides of the limiting plate and passes through the limiting groove.

7. The pipe disassembly and assembly auxiliary device according to claim 3, characterized in that: The driving component includes, The second gear is mounted on the second connecting rod; The third gear meshes externally with the second gear; The second motor is connected to the third gear.

8. A pipe disassembly and assembly auxiliary device according to any one of claims 2-4 and 6-7, characterized in that: A miniature camera is provided on the bent portion, and a display screen is provided at the end of the rod away from the bent portion. The miniature camera is connected to the display screen.

9. A pipe disassembly and assembly auxiliary device according to any one of claims 2-4 and 6-7, characterized in that: The bent section is equipped with a lighting lamp.

10. A construction method using a pipeline disassembly and assembly auxiliary device as described in claim 1, characterized in that: Includes the following steps, The magnetic suction device is used to attract the bolt to be installed, and the nut to be installed is placed on the snap-fit ​​device; Place the magnetic and snap-fit ​​components on both sides of the annular plate on the outer periphery of the pipe, so that the bolts pass through the mounting holes on the annular plate; Activate the lifting assembly to cause the snap-fit ​​component to drive the nut to be fitted onto the bolt; Activate the drive assembly to cause the snap-fit ​​component to rotate the nut and lock it with the bolt.

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