Transition section main pipe set pair adjusting device

Abstract

The application provides a transition section main pipeline group pair adjusting device, and relates to the technical field of pipeline welding. The transition section main pipeline group pair adjusting device comprises a bottom support assembly, and a roller support assembly is further arranged on the bottom support assembly. The bottom support assembly of the transition section main pipeline group pair adjusting device is provided with a rotary support assembly. The rotary support assembly can be a hydraulic support assembly that can rotate to support the transition section main pipeline and lift the transition section main pipeline. The top pressing assembly of the roller support assembly cooperates with the limiting roller base to move in a first direction. The first adjusting assembly is used to move the roller base in a second direction, so as to horizontally swing the transition section main pipeline. The transition section main pipeline is accurately adjusted, so that the transition section main pipeline can meet the welding requirements of an automatic welding machine.

Description

Technical Field

[0001] This invention relates to the technical field of pipeline welding, and in particular to a transition section main pipeline assembly adjustment device. Background Technology

[0002] During the construction of nuclear power plants, the main pipeline transition section connects the steam generator and the main pump. It is a primary loop pipeline and belongs to the nuclear safety level 1 and seismic resistance level I equipment. This equipment is characterized by its large size, heavy weight, limited space for adjustment and assembly, and high quality requirements. The main pipeline assembly and adjustment tooling of existing and under-construction nuclear power projects mainly adopts manual hoists and jack screws for main pipeline assembly and adjustment. The construction process requires the cooperation of fitters, crane operators, and welders. The adjustment is limited by the structure and function of the tooling, and multiple points need to be operated simultaneously with manual hoists or jack screws. It has disadvantages such as high manpower input, low tolerance for human error, high labor intensity, and low work efficiency. Summary of the Invention

[0003] The purpose of this invention is to provide a transition section main pipeline assembly adjustment device to alleviate the technical problems of high requirements for controlling the gap and misalignment of narrow-gap automatic welding pipeline assemblies, high labor intensity, low work efficiency, and high demand for the construction experience and skill level of technicians.

[0004] The present invention provides a transition section main pipeline assembly adjustment device, including a bottom support assembly, a slewing support assembly disposed on the bottom support assembly, and an upper support assembly disposed on the slewing support assembly;

[0005] A roller support assembly is also provided on the bottom support assembly, and the slewing support assembly and the roller support assembly are arranged sequentially along the first direction of the bottom support assembly;

[0006] The upper support assembly and the roller support assembly cooperate to support the main pipeline of the transition section;

[0007] The roller support assembly includes a bearing tray, a roller base, and a roller assembly; the bearing tray is provided with a plurality of universal ball bearings, and the roller base is provided on the universal ball bearings;

[0008] Two roller assemblies are provided on the roller base, and the two roller assemblies are spaced apart along the second direction;

[0009] A clamping support is provided on both sides of the bearing tray in the second direction, and a clamping assembly is provided on the clamping support, and the clamping assembly abuts against the roller base;

[0010] First adjustment components are respectively provided at both ends of the bearing tray in the second direction. The first adjustment components are disposed on the bearing tray, and the movable end of the first adjustment component is connected to the roller base.

[0011] The first direction is the length direction of the bottom support component, and the second direction is the width direction of the bottom support component.

[0012] In an optional embodiment, the clamping assembly includes a clamping mounting plate, one end of which is connected to the bearing tray, and the other end is provided with a pressure plate; a clamping telescopic hole is formed between the pressure plate and the clamping mounting plate;

[0013] A tightening support arm is inserted through the tightening telescopic hole, and an abutting wheel is provided on the tightening support arm, which abuts against the roller base;

[0014] The clamping assembly includes a guide rod that passes through the clamping mounting plate, and a clamping spring is sleeved on the guide rod;

[0015] A clamping connecting plate is provided at the end of the guide rod away from the clamping mounting plate, and the clamping connecting plate is connected to the clamping support arm.

[0016] In an optional embodiment, the bottom support assembly includes a bottom support frame, and the lower end of the bottom support frame is provided with a plurality of three-dimensional top cones;

[0017] Furthermore, multiple casters and a lower support assembly are provided at the lower end of the bottom support frame; the lower support assembly includes a manual hydraulic cylinder and a lower universal ball bearing assembly, the lower universal ball bearing assembly is mounted on the manual hydraulic cylinder, and the lower universal ball bearing assembly abuts against the lower end face of the bottom support frame.

[0018] In an optional embodiment, the bottom support frame is further provided with multiple auxiliary support components.

[0019] In an optional embodiment, the slewing support assembly includes a slewing support frame and a slewing mounting base, wherein a plurality of universal ball bearings are provided on the slewing support frame;

[0020] A slewing bearing is provided on the slewing support frame, and the inner ring of the slewing bearing is connected to the bottom support frame, the outer ring of the slewing bearing is connected to the slewing mounting seat, and the slewing mounting seat is provided on the universal ball bearing;

[0021] The upper support assembly is mounted on the rotary mounting base.

[0022] In an optional embodiment, the rotary mounting base is provided with a locking member, which is used to connect with the bottom support frame to fix the rotary mounting base to the bottom support frame.

[0023] In an optional embodiment, the upper support assembly includes a hydraulic support frame and a clamp assembly, with two hydraulic support assemblies disposed on the hydraulic support frame;

[0024] A rotating support seat is provided on the hydraulic support assembly, and the clamp assembly has two clamp rotation shafts, each of which is mounted on one of the rotating support seats.

[0025] In an optional embodiment, the clamp assembly includes a first clamp and a second clamp, and both the first clamp and the second clamp are provided with a clamp rotation shaft.

[0026] In an optional embodiment, the hydraulic support assembly includes a hydraulic lifting bracket and a lifting hydraulic cylinder, wherein the lifting hydraulic cylinder is mounted on the hydraulic lifting bracket;

[0027] An upper bracket is provided at the movable end of the lifting hydraulic cylinder, and the rotating support is mounted on the upper bracket.

[0028] In an optional embodiment, a lifting guide plate is provided on the upper bracket; a lifting guide groove is provided on the hydraulic lifting bracket, and the lifting guide plate is inserted into the lifting guide groove from the upper end of the lifting guide groove.

[0029] The transition section main pipeline assembly adjustment device provided by this invention has a rotary support assembly on its bottom support component. The rotary support assembly enables the hydraulic support assembly to rotate to a certain extent. The hydraulic support assembly supports the transition section main pipeline and enables the transition section main pipeline to rise and fall. The clamping component of the roller support assembly cooperates to restrict the movement of the roller base in the first direction. The roller base is moved in the second direction by the first adjustment component, thereby causing the transition section main pipeline to swing horizontally. This precise adjustment of the transition section main pipeline enables it to meet the welding requirements of the automatic welding machine. Attached Figure Description

[0030] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0031] Figure 1 This is a schematic diagram of the structure of the transition section main pipeline assembly adjustment device provided in an embodiment of the present invention;

[0032] Figure 2 for Figure 1The diagram shows the structural schematic of the bottom support assembly of the transition section main pipeline group for the adjustment device;

[0033] Figure 3 for Figure 1 The diagram shows the structural schematic of the rotary support assembly of the transition section main pipeline group and the adjustment device;

[0034] Figure 4 for Figure 1 The diagram shows the structure of the slewing support frame of the slewing support assembly of the transition section main pipeline group and the adjustment device;

[0035] Figure 5 for Figure 1 The diagram shows a structural schematic of the main pipeline assembly of the transition section relative to the rotary support component of the adjustment device from another angle.

[0036] Figure 6 for Figure 1 The diagram shows the structure of the roller support assembly for the adjustment device of the main pipeline group in the transition section;

[0037] Figure 7 for Figure 6 The diagram shows a longitudinal section of the roller support assembly of the transition section main pipeline group for the adjustment device.

[0038] Figure 8 for Figure 1 The diagram shows the structure of the upper support assembly of the transition section main pipeline group to the adjustment device;

[0039] Figure 9 for Figure 8 The diagram shows the structure of the hydraulic support assembly of the upper support component;

[0040] Figure 10 for Figure 9 The diagram shows a longitudinal section of the hydraulic support assembly.

[0041] Icons: 100 - Transition section main pipe; 200 - Bottom support assembly; 300 - Slewing support assembly; 400 - Upper support assembly; 500 - Roller support assembly; 600 - Three-dimensional top cone; 700 - Lower support assembly; 800 - Auxiliary support assembly; 900 - Bearing tray; 110 - Roller base; 120 - Roller assembly; 130 - Tightening support; 140 - Tightening assembly; 150 - Tightening mounting plate; 160 - Pressure plate; 170 - Tightening support arm; 180 - Abutment wheel; 1 90-Guide rod; 210-Tightening spring; 220-Tightening connecting plate; 230-Slewing support frame; 240-Slewing mounting seat; 250-Locking component; 260-Slewing bearing; 270-Hydraulic support frame; 280-Hydraulic support assembly; 290-Clamping assembly; 310-Clamping rotating shaft; 320-Slewing support seat; 330-Hydraulic lifting bracket; 340-Lifting hydraulic cylinder; 350-Upper bracket; 360-Lifting guide plate; 370-Bottom support frame; 380-Caserprise. Detailed Implementation

[0042] The terms “first,” “second,” “third,” etc., are used only for distinguishing descriptions and do not indicate a sequence number, nor should they be interpreted as indicating or implying relative importance.

[0043] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0044] In the description of this application, it should be noted that the terms "inner", "outer", "left", "right", "upper", "lower", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0045] In the description of this application, unless otherwise expressly specified and limited, the terms “set up,” “install,” “connect,” and “link” shall be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; as a mechanical connection or an electrical connection; as a direct connection or an indirect connection through an intermediate medium; or as a connection within two components.

[0046] The technical solution of this application will now be clearly and completely described with reference to the accompanying drawings.

[0047] Reference Figures 1-10The present invention provides a transition section main pipeline assembly adjustment device, including a bottom support assembly 200, a rotary support assembly 300 disposed on the bottom support assembly 200, and an upper support assembly 400 disposed on the rotary support assembly 300.

[0048] A roller support assembly 500 is also provided on the bottom support assembly 200, and the rotary support assembly 300 and the roller support assembly 500 are arranged sequentially along the first direction of the bottom support assembly 200;

[0049] The upper support assembly 400 and the roller support assembly 500 cooperate to support the transition section main pipe 100;

[0050] The roller support assembly 500 includes a bearing tray 900, a roller base 110, and a roller assembly 120; the bearing tray 900 is provided with a plurality of universal ball bearings, and the roller base 110 is provided on the universal ball bearings;

[0051] Two roller assemblies 120 are provided on the roller base 110, and the two roller assemblies 120 are spaced apart along the second direction;

[0052] A clamping support 130 is provided on both sides of the bearing tray 900 in the second direction, and a clamping component 140 is provided on the clamping support 130, and the clamping component 140 abuts against the roller base 110.

[0053] First adjustment components are respectively provided at both ends of the bearing tray 900 in the second direction. The first adjustment components are disposed on the bearing tray 900, and the movable end of the first adjustment component is connected to the roller base 110.

[0054] The first direction is the length direction of the bottom support component 200, and the second direction is the width direction of the bottom support component 200.

[0055] In some embodiments, the transition section main pipe 100 generally includes a connecting section, a vertical section and a horizontal section; one end of the connecting section is connected to the vertical section and the other end is connected to the horizontal section.

[0056] The transition section main pipe 100 is placed on the upper support assembly 400 and the roller support assembly 500; the slewing support assembly 300 provided on the bottom support assembly 200 can rotate at a certain angle, thereby enabling the upper support assembly 400 to rotate at a certain angle. The upper support assembly 400 can be raised and lowered, that is, the upper support assembly 400 can adjust the height of the transition section main pipe 100 and make the transition section main pipe 100 rotate to a certain extent.

[0057] The roller support assembly 500 is capable of allowing the main pipe 100 of the transition section to swing to a certain extent along the second direction.

[0058] The bearing tray 900 is mounted on the bottom support assembly 200. The two first adjustment components mounted on the bearing tray 900 can be either hydraulic cylinders or lead screws. The first adjustment components are connected to the roller base 110. The two first adjustment components enable the roller base 110 to move on the bearing tray 900, thereby realizing the movement of the roller base 110 in the second direction.

[0059] To allow the roller base 110 to move in the first direction, a clamping support 130 is provided on the bearing tray 900; the clamping assembly 140 is used to abut against the roller base 110, thereby restricting the roller base 110 to move in the second direction.

[0060] Reference Figure 6 and Figure 7 In an optional embodiment, the clamping assembly 140 includes a clamping mounting plate 150, one end of which is connected to the bearing tray 900, and the other end is provided with a pressure plate 160; a clamping telescopic hole is formed between the pressure plate 160 and the clamping mounting plate 150.

[0061] A top-tightening support arm 170 is inserted into the top-tightening telescopic hole. An abutting wheel 180 is provided on the top-tightening support arm 170, and the abutting wheel 180 abuts against the roller base 110.

[0062] The clamping assembly 140 includes a guide rod 190 passing through the clamping mounting plate 150, and a clamping spring 210 is sleeved on the guide rod 190.

[0063] A clamping connecting plate 220 is provided at the end of the guide rod 190 away from the clamping mounting plate 150, and the clamping connecting plate 220 is connected to the clamping support arm 170.

[0064] The clamping assembly 140 can limit the range of movement of the roller base 110, and also needs not affect the movement of the roller base 110 in the second direction; the clamping mounting plate 150 of the clamping assembly 140 is set on the bearing tray 900, and a clamping telescopic hole is formed between the pressure plate 160 and the clamping mounting plate 150. The clamping support plate passes through the clamping telescopic hole, and an abutting wheel 180 is provided on the clamping support arm 170, which abuts against the roller base 110.

[0065] The mounting plate 150 is also provided with a guide rod 190, on which a clamping spring 210 is sleeved. One end of the clamping spring 210 abuts against the bearing tray 900 and the other end abuts against the clamping connecting plate 220. This makes the clamping support plate tend to move towards the roller base 110, so that the abutting wheel 180 always abuts against the roller base 110.

[0066] The clamping components 140 on both sides of the roller base 110 engage to restrict the movement of the roller base in the second direction.

[0067] Reference Figure 1 and Figure 2 In an optional embodiment, the bottom support assembly 200 includes a bottom support frame 370, and the lower end of the bottom support frame 370 is provided with a plurality of three-dimensional top cones 600.

[0068] Furthermore, a plurality of casters 380 and a lower support assembly 700 are provided at the lower end of the bottom support frame 370; the lower support assembly 700 includes a manual hydraulic cylinder and a lower universal ball bearing assembly, the lower universal ball bearing assembly is mounted on the manual hydraulic cylinder, and the lower universal ball bearing assembly abuts against the lower end face of the bottom support frame 370.

[0069] The three-dimensional jacking system includes a three-dimensional jacking and leveling system. This system primarily consists of a three-dimensional lifting hydraulic cylinder control system. A servo motor drives a hydraulic pump to output high-pressure hydraulic oil, controlling the hydraulic cylinder's movement. The PLC's PID real-time correction module, a closed-loop servo controller, and sensors work together to achieve position and synchronous operation control. During actual operation, a target value is set on the touchscreen, and the start button is pressed. The program runs in a closed loop to the target position and maintains it. If external force or leakage from the hydraulic valves exceeds the holding range, the program automatically corrects the deviation to the target value.

[0070] In an optional embodiment, the bottom support frame 370 is further provided with a plurality of auxiliary support components 800.

[0071] The bottom support frame 370 is generally equipped with four casters 380 and four lower support components 700.

[0072] Multiple three-dimensional top cones 600 are provided on the bottom support frame 370, generally three three-dimensional top cones 600 are provided. The three-dimensional top cones 600 can adjust the bottom support frame 370 in front, behind, left, right, up and down, so that the bottom support frame 370 can be adjusted to a suitable position.

[0073] Reference Figure 3 , Figure 4 and Figure 5In an optional embodiment, the slewing support assembly 300 includes a slewing support frame 230 and a slewing mounting base 240, and a plurality of universal ball bearings are provided on the slewing support frame 230.

[0074] A slewing bearing 260 is provided on the slewing support frame 230, and the inner ring of the slewing bearing 260 is connected to the bottom support frame 370. The outer ring of the slewing bearing 260 is connected to the slewing mounting seat 240, and the slewing mounting seat 240 is provided on the universal ball bearing.

[0075] The upper support assembly 400 is mounted on the rotary mounting base 240.

[0076] In an optional embodiment, the rotary mounting base 240 is provided with a locking member 250, which is used to connect with the bottom support frame 370 to fix the rotary mounting base 240 to the bottom support frame 370.

[0077] Multiple universal ball bearings are installed on the slewing support frame 230, and the slewing mounting seat 240 is installed on the slewing support frame 230 and abuts against the universal ball bearings, which facilitates the rotation of the slewing mounting seat 240.

[0078] The universal ball bearing is a heavy-duty SP-60 universal ball bearing with a single unit load capacity of 1000kg.

[0079] Reference Figure 8 , Figure 9 and Figure 10 In an optional embodiment, the upper support assembly 400 includes a hydraulic support frame 270 and a clamp assembly 290, and two hydraulic support assemblies 280 are provided on the hydraulic support frame 270.

[0080] A rotating support seat 320 is provided on the hydraulic support assembly 280, and the clamp assembly 290 has two clamp rotating shafts 310, each of which is mounted on one of the rotating support seats 320.

[0081] In an optional embodiment, the clamp assembly 290 includes a first clamp and a second clamp, and both the first clamp and the second clamp are provided with a clamp rotation shaft 310.

[0082] In an optional embodiment, the hydraulic support assembly 280 includes a hydraulic lifting bracket 330 and a lifting hydraulic cylinder 340, wherein the lifting hydraulic cylinder 340 is disposed on the hydraulic lifting bracket 330.

[0083] An upper bracket 350 is provided at the movable end of the lifting hydraulic cylinder 340, and the rotating support 320 is provided on the upper bracket 350.

[0084] In an optional embodiment, a lifting guide plate 360 ​​is provided on the upper bracket 350; a lifting guide groove is provided on the hydraulic lifting bracket 330, and the lifting guide plate 360 ​​is inserted into the lifting guide groove from the upper end of the lifting guide groove.

[0085] The upper support assembly 400 is mounted on the rotary mounting base 240, and the upper support assembly 400 enables the transition section main pipeline 100 to be raised and lowered; the first clamp and the second clamp of the clamp assembly 290 are fixed in a ring shape on the transition section main pipeline 100, and the clamp rotation shaft 310 of the first clamp and the clamp rotation shaft 310 of the second clamp are respectively mounted on the rotary support base 320. The hydraulic support assembly 280 can adjust the raising and lowering of the transition section main pipeline 100 without affecting the rotation of the transition section main pipeline 100.

[0086] The lower universal ball bearing assembly of the lower support component 700 is an SP-76 universal ball bearing, and the manual hydraulic cylinder is a 50t manual hydraulic jack; the stroke of the 50t manual hydraulic jack is 50mm; after the pipeline is connected, this lower support component 700 is used to replace the three-dimensional jacking, which can realize the displacement of the horizontal axis of the pipeline caused by the shrinkage of the weld during the welding process.

[0087] When it is necessary to adjust the transition section main pipe 100 in the second direction, the horizontal plane of the pipe opening of the vertical section of the transition section main pipe 100 is deflected by the lifting and lowering of two hydraulic support components 280; during the adjustment of the vertical section, the horizontal section is supported by the roller support component 500.

[0088] When the first directional adjustment of the main pipeline 100 is required, the two hydraulic support components 280 rise and fall synchronously.

[0089] When the R-axis needs to be rotated, the roller base 110 is moved by the first adjustment component, causing the horizontal section to swing left and right, thus realizing the rotational movement of the pipe.

[0090] The main pipeline assembly adjustment device in this transition section can automatically and precisely adjust and control the position in the X, Y, and Z directions, meeting the control requirements for assembly gap and misalignment in automatic welding; it reduces the reliance on workers' skill levels and avoids errors caused by human factors; it reduces manpower input, lowers labor costs, and improves construction efficiency; it is highly targeted, easy to operate, and reduces quality and safety risks during construction; it is reusable and has widespread applicability.

[0091] The transition section main pipeline assembly adjustment device provided by the present invention has a rotary support assembly 300 on the bottom support assembly 200. The rotary support assembly 300 can rotate the hydraulic support assembly 280 to a certain extent. The hydraulic support assembly 280 supports the transition section main pipeline 100 and can raise and lower the transition section main pipeline 100. The clamping assembly 140 of the roller support assembly 500 cooperates to restrict the movement of the roller base 110 in the first direction. The roller base 110 is moved in the second direction by the first adjustment assembly, thereby causing the transition section main pipeline 100 to swing horizontally. This precise adjustment of the transition section main pipeline 100 enables it to meet the welding requirements of the automatic welding machine.

[0092] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A transition section main pipeline assembly adjustment device, characterized in that, It includes a bottom support assembly (200), a slewing support assembly (300) is provided on the bottom support assembly (200), and an upper support assembly (400) is provided on the slewing support assembly (300). A roller support assembly (500) is also provided on the bottom support assembly (200), and the rotary support assembly (300) and the roller support assembly (500) are arranged sequentially along the first direction of the bottom support assembly (200); The upper support assembly (400) and the roller support assembly (500) cooperate to support the transition section main pipeline (100). The roller support assembly (500) includes a bearing tray (900), a roller base (110), and a roller assembly (120); the bearing tray (900) is provided with a plurality of universal ball bearings, and the roller base (110) is provided on the universal ball bearings. Two roller assemblies (120) are provided on the roller base (110), and the two roller assemblies (120) are spaced apart along the second direction; A clamping support (130) is provided on both sides of the bearing tray (900) in the second direction. A clamping assembly (140) is provided on the clamping support (130), and the clamping assembly (140) abuts against the roller base (110). First adjustment components are respectively provided at both ends of the bearing tray (900) in the second direction. The first adjustment components are provided on the bearing tray (900), and the movable end of the first adjustment component is connected to the roller base (110). The first direction is the length direction of the bottom support component (200), and the second direction is the width direction of the bottom support component (200); The clamping assembly (140) includes a clamping mounting plate (150), one end of which is connected to the bearing tray (900), and the other end is provided with a pressure plate (160); a clamping telescopic hole is formed between the pressure plate (160) and the clamping mounting plate (150); A tightening support arm (170) is inserted into the tightening telescopic hole, and an abutment wheel (180) is provided on the tightening support arm (170). The abutment wheel (180) abuts against the roller base (110). The clamping assembly (140) includes a guide rod (190) passing through the clamping mounting plate (150), and a clamping spring (210) is sleeved on the guide rod (190). A clamping connecting plate (220) is provided at the end of the guide rod (190) away from the clamping mounting plate (150), and the clamping connecting plate (220) is connected to the clamping support arm (170).

2. The transition section main pipeline assembly adjustment device according to claim 1, characterized in that, The bottom support assembly (200) includes a bottom support frame (370), and a plurality of three-dimensional top cones (600) are provided at the lower end of the bottom support frame (370). Furthermore, a plurality of casters (380) and a lower support assembly (700) are provided at the lower end of the bottom support frame (370); the lower support assembly (700) includes a manual hydraulic cylinder and a lower universal ball bearing assembly, the lower universal ball bearing assembly is mounted on the manual hydraulic cylinder, and the lower universal ball bearing assembly abuts against the lower end face of the bottom support frame (370).

3. The transition section main pipeline assembly adjustment device according to claim 2, characterized in that, The bottom support frame (370) is also provided with multiple auxiliary support components (800).

4. The transition section main pipeline assembly adjustment device according to claim 2, characterized in that, The slewing support assembly (300) includes a slewing support frame (230) and a slewing mounting base (240), and a plurality of universal ball bearings are provided on the slewing support frame (230); A slewing bearing (260) is provided on the slewing support frame (230), and the inner ring of the slewing bearing (260) is connected to the bottom support frame (370), the outer ring of the slewing bearing (260) is connected to the slewing mounting seat (240), and the slewing mounting seat (240) is provided on the universal ball bearing; The upper support assembly (400) is disposed on the rotary mounting base (240).

5. The transition section main pipeline assembly adjustment device according to claim 4, characterized in that, The rotary mounting base (240) is provided with a locking member (250), which is used to connect with the bottom support frame (370) to fix the rotary mounting base (240) to the bottom support frame (370).

6. The transition section main pipeline assembly adjustment device according to claim 1, characterized in that, The upper support assembly (400) includes a hydraulic support frame (270) and a clamp assembly (290), and two hydraulic support assemblies (280) are provided on the hydraulic support frame (270). A rotating support seat (320) is provided on the hydraulic support assembly (280), and the clamp assembly (290) has two clamp rotating shafts (310), each of the clamp rotating shafts (310) being mounted on one of the rotating support seats (320).

7. The transition section main pipeline assembly adjustment device according to claim 6, characterized in that, The clamp assembly (290) includes a first clamp and a second clamp, and both the first clamp and the second clamp are provided with a clamp rotation shaft (310).

8. The transition section main pipeline assembly adjustment device according to claim 6, characterized in that, The upper support assembly (400) includes a hydraulic lifting bracket (330) and a lifting hydraulic cylinder (340), wherein the lifting hydraulic cylinder (340) is disposed on the hydraulic lifting bracket (330); An upper bracket (350) is provided at the movable end of the lifting hydraulic cylinder (340), and the rotating support (320) is provided on the upper bracket (350).

9. The transition section main pipeline assembly adjustment device according to claim 8, characterized in that, A lifting guide plate (360) is provided on the upper bracket (350); a lifting guide groove is provided on the hydraulic lifting bracket (330), and the lifting guide plate (360) is inserted into the lifting guide groove from the upper end of the lifting guide groove.

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