Pipeline butt joint auxiliary lifting and sliding device for pipeline construction

Abstract

The invention discloses a pipeline butt joint auxiliary lifting and sliding device for pipeline construction. The pipeline butt joint auxiliary lifting and sliding device comprises a support assembly, a height adjusting assembly, an angle adjusting assembly and a butt joint assembly. The support assembly comprises a bottom plate, a support and a plurality of rolling pieces. The height adjusting assembly is connected with the support in a sliding mode and drives the first threaded sleeve and the lifting frame to achieve 0-1200 mm height adjustment. The angle adjusting assembly is connected with the height adjusting assembly and synchronously slides along with the height adjusting assembly, and the rotating shell is connected with the fixed disc and rotates by + / -180 degrees relative to the fixed disc. The butt-joint assembly comprises a first butt-joint shell and a second butt-joint shell, the second motor drives the second threaded sleeve and the first butt-joint shell to be close to the second butt-joint shell so that the two pipelines can be in butt joint, and the butt-joint precision is + / -2 mm. Moving is achieved through the support assembly, the height adjusting assembly and the angle adjusting assembly work cooperatively, the butt joint assembly achieves + / -2 mm precision butt joint through a double-guide-rod structure, the problem that existing equipment cannot achieve lifting and rotating at the same time is solved, and the construction flexibility is improved.

Description

Technical Field

[0001] This application relates to the field of auxiliary equipment technology for pipeline construction, and in particular to a pipeline docking auxiliary lifting and sliding device for pipeline construction. Background Technology

[0002] In the construction of urban water supply and drainage, heat transmission, and petrochemical pipeline networks, pipeline connection is the most critical step in the construction process, directly affecting the sealing performance and lifespan of the pipeline network. This type of device is mainly used to lift the pipeline to be installed to the designated position and assist construction personnel in completing the horizontal alignment, clamping and fixing, and pushing and closing operations of the two pipeline ends. It is an important auxiliary tool for reducing manual labor intensity and ensuring construction quality.

[0003] In current construction techniques, various auxiliary devices have emerged to address the challenges of large-diameter pipelines' weight and difficulty in movement. Some lifting and moving devices utilize electric hoists or hydraulic jacks to achieve vertical height adjustment of the pipeline. Other technologies employ a combination of slide rails and lead screws, enabling rotational adjustment along the pipeline's outer circumference.

[0004] However, existing technologies have certain drawbacks. Equipment with lifting functions is often fixed with rigid supports, lacking angular deflection capability, unable to adapt to slopes or bends, and requires disassembly and reassembly for rotational adjustments, leading to reduced construction efficiency. Furthermore, angle-adjustable devices using cantilever structures are prone to tipping over when the lifting height exceeds 1 meter. Existing devices cannot simultaneously meet the coordinated adjustment requirements of height lifting and angle rotation on the same equipment. How to solve these technical problems is a question that those skilled in the art need to consider. Summary of the Invention

[0005] To address the aforementioned technical problems, this application provides a pipe docking auxiliary lifting and sliding device for pipeline construction.

[0006] In one embodiment, the pipe docking auxiliary lifting and sliding device for pipeline construction includes a support assembly, a height adjustment assembly, an angle adjustment assembly, and a docking assembly. The support assembly includes a base plate, a support, and multiple rolling elements. The rolling elements are rotatably connected to the bottom of the base plate, and the support is connected to the top of the base plate. The height adjustment assembly is slidably connected to the support and is configured to slide vertically relative to the support. The height adjustment assembly includes a first motor, a first screw, a first threaded sleeve, and a lifting frame. The first motor has a power of 0.75kW and drives the first screw to rotate, thereby adjusting the height of the first threaded sleeve and the lifting frame from 0-1200mm. The angle adjustment assembly is connected to the height adjustment assembly and can slide synchronously with it. The angle adjustment assembly includes a rotating shell and a fixed plate. The fixed plate is connected to the lifting frame, and the rotating shell is connected to the fixed plate and can rotate ±180° relative to the fixed plate. The docking assembly includes a first docking shell, a second docking shell, a second motor, a second screw, and a second threaded sleeve. Both the first and second docking shells are connected to the rotating shell. The first and second docking shells are used to clamp two pipes respectively. The second motor drives the second screw to rotate, causing the second threaded sleeve and the first docking shell to move closer to the second docking shell to dock the two pipes. The docking accuracy is ±2mm.

[0007] Understandably, the support frame provides basic support and mobility, while the height adjustment component uses a first motor to drive a first screw and a first threaded sleeve, raising and lowering the lifting frame within a 0-1200mm range. This enables the pipeline docking auxiliary lifting and sliding device for pipeline construction to adapt to different trench depths and terrain elevation differences. The angle adjustment component, through the cooperation of a rotating shell and a fixed plate, achieves a wide range of angle adjustment (±180°), solving the docking challenges of curved pipes or non-horizontal terrain. The docking component, through a second motor and a second screw, drives the first docking shell to move precisely relative to the second docking shell, controlling the docking accuracy within ±2mm. This pipeline docking auxiliary lifting and sliding device for pipeline construction integrates height adjustment, angle adjustment, and high-precision docking functions, solving the problems of poor terrain adaptability and inability to simultaneously handle lifting and rotation in existing technologies, thus improving the flexibility and efficiency of pipeline construction.

[0008] In one embodiment, the fixed disk has multiple connecting slots, which are evenly spaced around the axis of the fixed disk on the arc-shaped outer circumferential surface of the fixed disk; the angle adjustment component also includes a limiting box, which is fixedly connected to the rotating shell and detachably connected to the fixed disk; the limiting box can connect or disconnect the rotating shell from the fixed disk by extending into or out of the connecting slot.

[0009] Understandably, multiple equidistant connecting slots are set on the circumference of the fixed plate, and these slots cooperate with the limiting box connected to the rotating shell to form a mechanical locking mechanism. When the rotating shell drives the pipeline to rotate to the target angle, the moving part of the limiting box extends into the corresponding connecting slot, rigidly locking the rotating shell and the fixed plate. This not only achieves graded angle adjustment but also prevents accidental angle deviation caused by pipeline gravity or external forces, ensuring angle stability and safety during construction.

[0010] In one embodiment, the rotating shell includes at least two limiting boxes, which are symmetrically arranged about the rotation axis of the rotating shell; each limiting box includes a snap-fit ​​structure, an elastic structure, and a U-shaped support structure, the support structure being U-shaped; the snap-fit ​​structure and the support structure are slidably connected, and the elastic structure abuts against the snap-fit ​​structure and the support structure respectively, for pushing the snap-fit ​​structure to extend relative to the support structure to insert into the connecting groove, the snap-fit ​​structure is also configured to be able to retract relative to the support structure to exit the connecting groove.

[0011] Understandably, employing at least two symmetrically arranged limit boxes ensures more even force distribution on the fixing plate, preventing mechanical distortion or jamming caused by single-point force and improving the durability of the locking mechanism. Each limit box utilizes a snap-fit ​​structure combined with an elastic structure, leveraging the restoring force of the elastic structure to achieve automatic locking. When angle adjustment is needed, the snap-fit ​​structure retracts to unlock. This makes angle locking quick and convenient, while the dual locking mechanism enhances the torsional resistance during heavy-duty pipe connections.

[0012] In one embodiment, the rotating shell includes an angle adjustment section and a guide section. The guide section is connected to the side of the angle adjustment section away from the fixed disk. The guide section includes two spaced-apart guide rod structures. The angle adjustment section is rotatably connected to the fixed disk. The two guide rod structures are connected to the side of the angle adjustment section away from the fixed disk. The second docking shell is fixedly connected to the two guide rod structures. The first docking shell is slidably connected to the two guide rod structures. The first docking shell is driven to approach the second docking shell to clamp the two pipes and complete the docking.

[0013] Understandably, the rotating shell is divided into an angle adjustment section and a guide section, with the guide section employing a double guide rod structure. Two spaced-apart guide rods create a stable sliding plane, allowing the first docking shell to slide along the two guide rods, preventing rotation or lateral displacement around the axis during movement. The relative motion pattern of the second docking shell being fixed while the first docking shell slides closer ensures coaxiality during pipe docking, reduces jamming, and guarantees effective thrust transmission.

[0014] In one embodiment, the docking assembly further includes a sliding shell, which is sleeved on the guide rod structure and connected to the first docking shell, for the first docking shell to slide along the guide rod structure.

[0015] Understandably, the sliding shell serves as a sliding connector between the first docking shell and the guide rod structure, utilizing the cooperation between the sliding shell and the guide rod structure to achieve the guiding function. The sliding shell reduces the frictional resistance of the first docking shell during load movement and improves its anti-overturning capability. The sliding shell prevents the first docking shell from jamming or shaking due to uneven force during movement, ensuring that the first docking shell smoothly and steadily guides the pipeline towards the second docking shell, thereby improving the motion accuracy and stability of the pipeline docking process.

[0016] In one embodiment, the docking assembly further includes a reinforcing block, a second screw rotatably connected to an angle adjustment part, the second screw being parallel to the guide rod structure, the reinforcing block being fixedly connected to a rotating shell, the reinforcing block being connected to the second screw and the angle adjustment part respectively, and the second screw having an axial length of 1.5m.

[0017] Understandably, the second screw is 1.5m long, and its considerable length makes it prone to radial runout or bending deformation when transmitting thrust. The reinforcing block rigidly connects the second screw to the rotating housing and angle adjustment unit, providing additional support for the slender screw and shortening the cantilever length. The reinforcing block not only ensures the rotational stability of the second screw during long strokes but also bears part of the axial reaction force, preventing the second motor bearing from directly bearing excessive axial load and extending the service life of both the motor and the second screw.

[0018] In one embodiment, the support structure includes an integrally connected snap-fit ​​limiting part and an elastic limiting part. The snap-fit ​​limiting part has a first through groove and includes at least two limiting protrusions. The snap-fit ​​limiting part is detachably connected to the fixed plate. The first through groove is disposed facing at least one connecting groove. The at least two limiting protrusions are located on opposite sides of the first through groove along the axial direction of the fixed plate. The elastic limiting part is located on the side of the snap-fit ​​limiting part away from the limiting protrusions and has a second through groove. The snap-fit ​​structure includes an integrally connected latch and a pull rod. The latch is slidably disposed in the first through groove for inserting into or withdrawing from the connecting groove. The pull rod is located on the side of the latch away from the fixed plate and is slidably disposed in the second through groove. The elastic structure is sleeved on the pull rod.

[0019] Understandably, the integral molding of the snap-fit ​​limiting part and the elastic limiting part provides high-strength shell support, and the limiting protrusion assists in positioning to ensure installation accuracy. The latch is built into the first through slot and can slide within it, while the pull rod is built into the second through slot and can slide within it, forming a dual-point guide to ensure smooth extension and retraction of the latch. The elastic structure is built into the support structure and directly sleeved on the outer circumference of the pull rod. The elastic force acts directly on the center of the snap-fit ​​structure, resulting in a rapid response. The operator only needs to pull the pull rod to compress the elastic structure and disengage the latch; releasing the pull rod automatically resets and locks it, simplifying the on-site operation process and achieving efficient switching between unlocked and locked states.

[0020] In one embodiment, the angle adjustment part is connected to the side of the fixed plate away from the bracket, the two guide rod structures are connected to the side of the angle adjustment part away from the fixed plate, and the first docking shell and the second docking shell are both connected to the side of the two guide rod structures away from the angle adjustment part.

[0021] Understandably, this arrangement clearly defines the force transmission path and spatial layout. The angle adjustment unit is close to the fixed plate, shortening the lever arm and improving the rigidity of rotational adjustment. The guide rod structure extends outward, providing overhanging operating space for the first and second docking shells, ensuring that the support assembly 1 maintains a certain distance from the pipe docking area. This spatial layout ensures structural stability and avoids interference between the device base and obstacles below the pipe, improving the accessibility and applicability of the pipe docking auxiliary lifting and sliding device in narrow or complex construction environments.

[0022] In one embodiment, the first docking shell includes a first docking structure and a second docking structure, both of which are configured to fit the shape of the pipe. The first docking structure is slidably connected to two guide rod structures, and the second docking structure is detachably connected to the first docking structure. The second docking shell includes a third docking structure and a fourth docking structure, both of which are configured to fit the shape of the pipe. The third docking structure is fixedly connected to two guide rod structures, and the fourth docking structure is detachably connected to the third docking structure.

[0023] Understandably, both the first and second docking shells employ a split-type clamp design. The first and second docking structures work together, allowing construction workers to directly fasten the first and second docking shells to the outer circumference of the pipe without moving the pipe itself, and connect them using bolts or other methods. Simultaneously, the split design allows for the adaptation to different pipe specifications by replacing the first, second, third, and fourth docking structures with different inner diameters. This expands the applicability of the pipe docking auxiliary lifting and sliding device during pipe construction, solves the problem of a single device being incompatible with multiple pipe diameters, and reduces construction costs.

[0024] In one embodiment, the diameter of the fixing plate is smaller than the height of the bracket in the vertical direction, and the diameter of the fixing plate is equal to the length of the base plate.

[0025] Understandably, by limiting the dimensional ratio of the fixed plate, support, and base plate, the center of gravity distribution of the pipe connection auxiliary lifting and sliding device for pipeline construction is optimized. The diameter of the fixed plate equals the length of the base plate, ensuring that the force-bearing range of the angle adjustment component covers the entire base area, enhancing the device's anti-overturning capability when bearing the rotation of large-diameter pipes. Simultaneously, limiting the fixed plate diameter to be smaller than the support height maintains the compactness of the device's longitudinal structure, avoiding uneven force distribution caused by excessive head weight, and ensuring overall stability during lifting and sliding processes. Attached Figure Description

[0026] Figure 1 This is a structural schematic diagram of the pipe docking auxiliary lifting and sliding device for pipe construction provided in this application.

[0027] Figure 2 This is a schematic diagram provided in this application, mainly illustrating the connection relationship between the fixed disk and the rotating shell.

[0028] Figure 3 This is a structural schematic diagram of the limiting box provided in this application.

[0029] Figure 4 This is a structural schematic diagram of the support assembly provided in this application.

[0030] Explanation of reference numerals in the attached drawings: 1. Support assembly; 11. Base plate; 12. Support; 121. Accommodating space; 13. Rolling element; 2. Height adjustment assembly; 21. First motor; 22. First screw; 23. First screw sleeve; 24. Lifting frame; 3. Angle adjustment assembly; 31. Rotating shell; 311. Angle adjustment part; 312. Guide part; 3121. Guide rod structure; 32. Fixed plate; 321. Connecting groove; 33. Limiting box; 331. Snap-fit ​​structure; 3311. Tongue; 3312. Pull rod; 332. 333, support structure; 3331, snap-fit ​​limiting part; 33311, first through groove; 33312, limiting protrusion; 3332, elastic limiting part; 33321, second through groove; 4, docking assembly; 41, first docking shell; 411, first docking structure; 412, second docking structure; 42, second docking shell; 421, third docking structure; 422, fourth docking structure; 43, second motor; 44, second screw; 45, second screw sleeve; 46, sliding shell; 47, reinforcing block. Detailed Implementation

[0031] The following is in conjunction with the appendix Figure 1 To be continued Figure 4 This application will be described in further detail below.

[0032] In one embodiment, the pipe docking auxiliary lifting and sliding device for pipeline construction includes a support assembly 1, a height adjustment assembly 2, an angle adjustment assembly 3, and a docking assembly 4. The support assembly 1 includes a base plate 11, a support 12, and multiple rolling elements 13. The multiple rolling elements 13 are rotatably connected to the bottom of the base plate 11, and the support 12 is connected to the top of the base plate 11. The height adjustment assembly 2 is slidably connected to the support 12 and is configured to slide vertically relative to the support 12. The height adjustment assembly 2 includes a first motor 21, a first screw 22, a first threaded sleeve 23, and a lifting frame 24. The first motor 21 has a power of 0.75kW and drives the first screw 22 to rotate, thereby driving the first threaded sleeve 23 and the lifting frame 24 to achieve a height adjustment of 0-1200mm. Angle adjustment component 3 is connected to height adjustment component 2 and can slide synchronously with height adjustment component 2. Angle adjustment component 3 includes a rotating shell 31 and a fixed plate 32. Fixed plate 32 is connected to lifting frame 24. Rotating shell 31 is connected to fixed plate 32 and can rotate ±180° relative to fixed plate 32. Docking component 4 includes a first docking shell 41, a second docking shell 42, a second motor 43, a second screw 44, and a second threaded sleeve 45. Both the first docking shell 41 and the second docking shell 42 are connected to rotating shell 31. The first docking shell 41 and the second docking shell 42 are used to clamp two pipes respectively. The second motor 43 drives the second screw 44 to rotate, causing the second threaded sleeve 45 and the first docking shell 41 to move closer to the second docking shell 42 to dock the two pipes. The docking accuracy is ±2mm.

[0033] In this embodiment, refer to Figure 1 , Figure 2 and Figure 4The support assembly 1 serves as a base, and the device is moved to the construction position using the rolling elements 13 at its bottom. The rolling elements 13 are omnidirectional wheels with brakes, and there are at least four of them. The support 12 has a height of 1800mm, is rectangular in shape, and is vertically fixed to the base plate 11 with a receiving space 121 to guide the height adjustment assembly 2. The first motor 21 has a rated power of 0.75kW and a rated frequency of 50Hz, capable of driving pipes weighing ≤500kg for height adjustment. The first motor 21 is fixed to the top of the support 12. The first screw 22 has an axial length of 1750mm, is vertically positioned, and has an effective stroke of 1200mm. The first sleeve 23 is fitted onto the outer circumference of the first screw 22 and fixedly connected to the lifting frame 24. Both the first screw 22 and the first sleeve 23 are built into the receiving space 121. When the first motor 21 starts, it drives the first screw 22 to rotate, causing the first screw sleeve 23 and the lifting frame 24 to move within a range of 0-1200mm along the vertical direction of the support 12. The lifting frame 24 drives the angle adjustment component 3 and the docking component 4 to rise and fall as a whole. The fixed plate 32 is fixed on the lifting frame 24, and the rotating shell 31 is sleeved on the outer periphery of the fixed plate 32. The rotating shell 31 can rotate relative to the fixed plate 32 by manual rotation or motor drive. The operator can rotate the rotating shell 31 to adjust the docking component 4 to the same angle as the pipeline. The docking component 4 uses the first docking shell 41 and the second docking shell 42 to clamp the two pipelines to be docked, respectively. The second motor 43 drives the horizontally set second screw 44 to move the first docking shell 41 closer to the second docking shell 42. The docking deviation is detected by a laser alignment instrument, and the result shows that the docking accuracy of the pipeline port is ±2mm.

[0034] The support assembly 1 provides basic support and mobility. The height adjustment assembly 2, driven by the first motor 21, engages with the first screw 22 and the first threaded sleeve 23, causing the lifting frame 24 to rise and fall within the range of 0-1200mm. This enables the pipe docking auxiliary lifting and sliding device for pipeline construction to adapt to different trench depths and terrain elevation differences. The angle adjustment assembly 3, through the cooperation of the rotating shell 31 and the fixed plate 32, achieves a wide range of angle adjustment of ±180°, solving the docking problem in curved pipes or non-horizontal terrain. The docking assembly 4, driven by the second motor 43 and the second screw 44, drives the first docking shell 41 to move precisely relative to the second docking shell 42, controlling the docking accuracy within ±2mm. The pipe docking auxiliary lifting and sliding device for pipeline construction integrates height adjustment, angle adjustment, and high-precision docking functions. It solves the technical problems of existing technologies lacking angle deflection capability, being unable to adapt to slope or curved pipe connections, and requiring disassembly and reassembly for rotation adjustment, thus improving the flexibility and efficiency of pipeline construction.

[0035] In one embodiment, the diameter of the fixing plate 32 is smaller than the height of the bracket 12 in the vertical direction, and the diameter of the fixing plate 32 is equal to the length of the base plate 11.

[0036] In this embodiment, refer to Figure 1 , Figure 2 and Figure 4 The fixed plate 32 has a diameter of 1200mm, the base plate 11 has a length of 1200mm, and the support 12 has a vertical height of 1800mm. By limiting the dimensional ratio of the fixed plate 32, the support 12, and the base plate 11, the center of gravity distribution of the pipe connection auxiliary lifting and sliding device for pipeline construction is optimized. The diameter of the fixed plate 32 is equal to the length of the base plate 11, so that the force range of the angle adjustment component 3 covers the entire base area, enhancing the device's anti-overturning ability when bearing the rotation of large-diameter pipes. At the same time, limiting the diameter of the fixed plate 32 to be less than the height of the support 12 solves the technical problem that existing angle-adjustable devices using cantilever structures are prone to overturning when the lifting height exceeds 1m, ensuring overall stability during lifting and sliding processes.

[0037] In one embodiment, the fixed disk 32 has a plurality of connecting slots 321, which are distributed at equal intervals around the axis of the fixed disk 32 on the arc-shaped outer peripheral surface of the fixed disk 32; the angle adjustment assembly 3 also includes a limiting box 33, which is fixedly connected to the rotating shell 31 and detachably connected to the fixed disk 32; the limiting box 33 can connect or disconnect the rotating shell 31 and the fixed disk 32 by extending into or out of the connecting slots 321.

[0038] In this embodiment, refer to Figure 1 , Figure 2 and Figure 4 The connecting grooves 321 are rectangular recesses, and multiple connecting grooves 321 are equidistantly distributed on the circumference of the fixed plate 32. They cooperate with the limiting box 33 connected to the rotating shell 31 to form a mechanical locking mechanism. The limiting box 33 is detachably connected to the rotating shell 31 by bolts. When the rotating shell 31 drives the pipeline to rotate to the target angle, the moving part of the limiting box 33 extends into the corresponding connecting groove 321, rigidly locking the rotating shell 31 and the fixed plate 32. This not only realizes the graded adjustment of the angle but also prevents accidental angle deviation caused by pipeline gravity or external forces, ensuring the angle stability and safety during construction.

[0039] In one embodiment, the rotating shell 31 includes an angle adjustment part 311 and a guide part 312. The guide part 312 is connected to the side of the angle adjustment part 311 away from the fixed disk 32. The guide part 312 includes two spaced guide rod structures 3121. The angle adjustment part 311 is rotatably connected to the fixed disk 32. The two guide rod structures 3121 are connected to the side of the angle adjustment part 311 away from the fixed disk 32. The second docking shell 42 is fixedly connected to the two guide rod structures 3121. The first docking shell 41 is slidably connected to the two guide rod structures 3121. The first docking shell 41 is driven to approach the second docking shell 42 to clamp the two pipes together and complete the docking.

[0040] In this embodiment, refer to Figure 1 and Figure 2 An angle adjustment part 311, in the form of a square plate, is fitted onto the fixed disk 32 and rotatably connected to it. The plane of the angle adjustment part 311 is parallel to the plane of the fixed disk 32. The angle adjustment part 311 is positioned between the fixed disk 32 and the two guide rod structures 3121. The angle adjustment part 311 is the core rotating component of the rotating shell 31. The guide part 312 is used to connect the docking assembly 4. The guide part 312 includes two parallel guide rod structures 3121, which extend horizontally. The second docking shell 42 is fixedly installed at the end of the guide rod structure 3121 as a fixed reference. The first docking shell 41 is slidably connected to the two guide rod structures 3121.

[0041] Two spaced-apart guide rod structures 3121 create a stable sliding plane. The first docking shell 41 slides on the two guide rod structures 3121, preventing the first docking shell 41 from rotating around its axis or shifting laterally during movement. The relative motion pattern of the second docking shell 42 being fixed and the first docking shell 41 sliding closer ensures coaxiality during pipe docking, reduces jamming, and guarantees effective transmission of thrust.

[0042] In one embodiment, the rotating shell 31 includes at least two limiting boxes 33, which are symmetrically arranged about the rotation axis of the rotating shell 31. Each limiting box 33 includes a snap-fit ​​structure 331, an elastic structure 332, and a support structure 333, with the support structure 333 being U-shaped. The snap-fit ​​structure 331 is slidably connected to the support structure 333, and the elastic structure 332 abuts against the snap-fit ​​structure 331 and the support structure 333 respectively, for pushing the snap-fit ​​structure 331 to extend relative to the support structure 333 to insert into the connecting groove 321. The snap-fit ​​structure 331 is also configured to be able to retract relative to the support structure 333 to exit the connecting groove 321.

[0043] In this embodiment, refer to Figure 1 , Figure 2 and Figure 3The rotating shell 31 includes two limiting boxes 33, which are symmetrically arranged around the rotation axis of the rotating shell 31. Both limiting boxes 33 are located on the outer circumferential surface of the fixed plate 32.

[0044] The use of two symmetrically arranged limiting boxes 33 ensures more even force distribution on the fixed plate 32, preventing mechanical distortion or jamming caused by single-point force and improving the durability of the locking mechanism. Each limiting box 33 internally employs a snap-fit ​​structure 331 in conjunction with an elastic structure 332, utilizing the restoring force of the elastic structure 332 to achieve automatic locking. When angle adjustment is required, the snap-fit ​​structure 331 retracts to unlock. This makes angle locking quick and convenient, while the dual locking mechanism enhances the torsional resistance during heavy-duty pipe connections.

[0045] In one embodiment, the U-shaped support structure 333 includes an integrally connected snap-fit ​​limiting part 3331 and an elastic limiting part 3332. The snap-fit ​​limiting part 3331 has a first through groove 33311 and includes at least two limiting protrusions 33312. The snap-fit ​​limiting part 3331 is detachably connected to the fixing plate 32. The first through groove 33311 is disposed facing at least one connecting groove 321, and the at least two limiting protrusions 33312 are located on opposite sides of the first through groove 33311 along the axial direction of the fixing plate 32. Part 3332 is located on the side of the snap-fit ​​limiting part 3331 away from the limiting protrusion 33312. The elastic limiting part 3332 has a second through groove 33321. The snap-fit ​​structure 331 includes a snap tongue 3311 and a pull rod 3312 integrally connected. The snap tongue 3311 is slidably disposed in the first through groove 33311 for inserting into or withdrawing from the connecting groove 321. The pull rod 3312 is located on the side of the snap tongue 3311 away from the fixed plate 32. The pull rod 3312 is slidably disposed in the second through groove 33321. The elastic structure 332 is sleeved on the pull rod 3312.

[0046] In this embodiment, refer to Figure 3 The locking and limiting part 3331 includes two limiting protrusions 33312, and the first through groove 33311 communicates with the second through groove 33321. The latch 3311 is cuboid in shape, and the pull rod 3312 is connected to the side of the latch 3311 away from the fixed plate 32. The elastic structure 332 can be a spring, and the elastic structure 332 is sleeved on the outer peripheral surface of the pull rod 3312.

[0047] The snap-fit ​​limiting part 3331 and the elastic limiting part 3332 are integrally formed, providing high-strength housing support. The limiting protrusion 33312 assists in positioning and ensures installation accuracy. The latch 3311 is built into the first through groove 33311 and can slide within it. The pull rod 3312 is built into the second through groove 33321 and can slide within it, forming a double-point guide and ensuring the smooth extension and retraction of the latch 3311. The elastic structure 332 is built into the support structure 333 and is directly sleeved on the outer circumferential surface of the pull rod 3312. The elastic force acts directly on the center of the snap-fit ​​structure 331, resulting in a rapid response. The operator only needs to pull the pull rod 3312 to compress the elastic structure 332 and disengage the latch 3311. Releasing the pull rod 3312 automatically resets and locks the latch, simplifying the on-site operation process and achieving efficient switching between unlocked and locked states.

[0048] In one embodiment, the angle adjustment part 311 is connected to the side of the fixed plate 32 away from the bracket 12, the two guide rod structures 3121 are connected to the side of the angle adjustment part 311 away from the fixed plate 32, and the first docking shell 41 and the second docking shell 42 are both connected to the side of the two guide rod structures 3121 away from the angle adjustment part 311.

[0049] In this embodiment, refer to Figure 1 and Figure 2 The rotation axis of the angle adjustment unit 311 is collinear with the axis of the fixed plate 32, and the two guide rod structures 3121 are symmetrically distributed around the rotation axis of the angle adjustment unit 311. This arrangement clarifies the force transmission path and spatial layout. The angle adjustment unit 311 is close to the fixed plate 32, shortening the lever arm and improving the rigidity of the rotation adjustment. The guide rod structures 3121 extend outward, providing overhanging operating space for the first docking shell 41 and the second docking shell 42, ensuring that the support assembly 1 maintains a certain distance from the pipe docking area. This spatial layout ensures the stability of the structure and avoids interference between the device base and obstacles below the pipe, improving the passability and applicability of the pipe docking auxiliary lifting and sliding device in narrow or complex construction environments.

[0050] In one embodiment, the docking assembly 4 further includes a reinforcing block 47, a second screw 44 rotatably connected to an angle adjustment part 311, the second screw 44 being parallel to the guide rod structure 3121, the reinforcing block 47 being fixedly connected to the rotating shell 31, the reinforcing block 47 being connected to the second screw 44 and the angle adjustment part 311 respectively, and the second screw 44 having an axial length of 1.5m.

[0051] In this embodiment, refer to Figure 1 and Figure 2The reinforcing block 47 is a trapezoidal block structure with a through cavity. The second screw 44 passes through the through cavity and is slidably connected to the reinforcing block 47. The reinforcing block 47 is connected to the side of the angle adjustment part 311 near the two guide rod structures 3121. The second screw 44 is 1.5m long. A longer length can easily cause radial runout or bending deformation when transmitting thrust. The reinforcing block 47 rigidly connects the second screw 44 to the rotating shell 31 and the angle adjustment part 311, providing an additional support point for the slender screw and shortening the cantilever length. The second screw 44 is suitable for pipe connections ≤3m in length. When the pipe length exceeds 3m, it can be achieved by splicing an extension rod. The reinforcing block 47 not only ensures the rotational stability of the second screw 44 during long-distance travel but also bears part of the axial reaction force, preventing the bearing of the second motor 43 from directly bearing excessive axial load and extending the service life of the motor and the second screw 44.

[0052] In one embodiment, the docking assembly 4 further includes a sliding shell 46, which is sleeved on the guide rod structure 3121 and connected to the first docking shell 41, for the first docking shell 41 to slide along the guide rod structure 3121.

[0053] In this embodiment, refer to Figure 1 and Figure 2 The sliding shell 46 is a hollow cuboid, serving as a sliding connector between the first docking shell 41 and the guide rod structure 3121. The sliding shell 46 and the guide rod structure 3121 work together to provide guidance. The sliding shell 46 reduces the frictional resistance of the first docking shell 41 under load and improves its anti-overturning capability. The sliding shell 46 prevents the first docking shell 41 from jamming or shaking due to uneven force during movement, ensuring that the first docking shell 41 smoothly and steadily guides the pipeline towards the second docking shell 42, thereby improving the motion accuracy and stability of the pipeline docking process.

[0054] In one embodiment, the first docking shell 41 includes a first docking structure 411 and a second docking structure 412. Both the first docking structure 411 and the second docking structure 412 are configured to fit the shape of the pipe. The first docking structure 411 is slidably connected to two guide rod structures 3121, and the second docking structure 412 is detachably connected to the first docking structure 411. The second docking shell 42 includes a third docking structure 421 and a fourth docking structure 422. Both the third docking structure 421 and the fourth docking structure 422 are configured to fit the shape of the pipe. The third docking structure 421 is fixedly connected to the two guide rod structures 3121, and the fourth docking structure 422 is detachably connected to the third docking structure 421.

[0055] In this embodiment, refer to Figure 1 and Figure 2Both the first docking shell 41 and the second docking shell 42 adopt a split clamp design. The first docking structure 411 and the third docking structure 421 are semi-circular arc-shaped, with their openings facing the side of the guide rod structure 3121 away from the angle adjustment part 311. The first docking structure 411 and the third docking structure 421 serve as support structures for the two pipes, respectively. The second docking structure 412 and the fourth docking structure 422 are also semi-circular arc-shaped and serve as fixing structures. The first docking structure 411 and the second docking structure 412 cooperate, allowing construction personnel to directly fasten the first docking shell 41 and the second docking shell 42 to the outer circumference of the pipe without moving the pipe, and connect them by bolts or other means. At the same time, the split design allows for the adaptation of different specifications of pipes by replacing the first docking structure 411, the second docking structure 412, the third docking structure 421, and the fourth docking structure 422 with different inner diameters, expanding the applicability of the pipe docking auxiliary lifting and sliding device for pipe construction, solving the problem that a single device cannot be compatible with multiple pipe diameters, and reducing construction costs.

[0056] This application provides a mobile base through a support assembly 1, a height adjustment assembly 2 to achieve lifting from 0-1200mm, and an angle adjustment assembly 3 to achieve rotation of ±180°. The three work together to solve the shortcomings of the prior art that cannot take into account both lifting and rotation.

[0057] The implementation principle of this application embodiment is as follows: In use, the pipe docking auxiliary lifting and sliding device for pipe construction is first pushed to the work point by the rolling element 13. The two pipes to be docked are respectively placed into the first docking shell 41 and the second docking shell 42 and locked. The first motor 21 of the height adjustment component 2 is started to lift the pipes to the predetermined construction height. If there is an angular deviation in the pipes, the pull rod 3312 of the limit box 33 is pulled to unlock, the rotating shell 31 and the pipes are rotated to a suitable angle, and the pull rod 3312 is released so that the latch 3311 is inserted into the connecting groove 321 to lock the angle. Finally, the second motor 43 of the docking component 4 is started to drive the first docking shell 41 to carry the pipes to the second docking shell 42 until the ends of the two pipes are in close contact, completing the docking preparation. Compared with the prior art, this application has the function of simultaneously satisfying the coordinated function of height lifting and angle rotation.

[0058] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A pipe butt joint auxiliary lifting and sliding device for pipe construction, characterized in that, The utility model relates to a kind of pipe jointing device, including: Support assembly (1), including bottom plate (11), support (12) and multiple rolling members (13), multiple the rolling members (13) are rotationally connected to the bottom of the bottom plate (11), the support (12) is connected to the top of the bottom plate (11); Height adjusting assembly (2) is slidably connected with the support (12), the height adjusting assembly (2) is configured to be able to slide along vertical direction relative to the support (12), the height adjusting assembly (2) includes first motor (21), first screw rod (22), first screw sleeve (23) and lifting frame (24), the power of the first motor (21) is 0.75kW, the first motor (21) drives the first screw rod (22) rotation, drives the first screw sleeve (23) and the lifting frame (24) to realize 0-1200mm height adjustment; Angle adjusting assembly (3) is connected with the height adjusting assembly (2) and can be synchronized with the height adjusting assembly (2) sliding, the angle adjusting assembly (3) includes rotating shell (31) and fixed disc (32), the fixed disc (32) is connected with the lifting frame (24), the rotating shell (31) is connected with the fixed disc (32) and can be rotated relative to the fixed disc (32) and realize ±180 °; Docking assembly (4), including first docking shell (41), second docking shell (42), second motor (43), second screw rod (44) and second screw sleeve (45), the first docking shell (41) and the second docking shell (42) are connected with the rotating shell (31), the first docking shell (41) and the second docking shell (42) are used to respectively hold two pipes, the second motor (43) drives the second screw rod (44) rotation, drives the second screw sleeve (45) and the first docking shell (41) close to the second docking shell (42) to butt joint two pipes, and the butt joint precision is ±2mm.

2. The pipe butt-joint assisted lifting and sliding device for pipe construction according to claim 1, characterized in that, The fixed disc (32) is provided with a plurality of connecting grooves (321), and the plurality of connecting grooves (321) are distributed equidistantly on the arc-shaped outer circumferential surface of the fixed disc (32) around the axis of the fixed disc (32);The angle adjusting assembly (3) further includes a limiting box (33), the limiting box (33) is connected with the rotating shell (31), and the limiting box (33) is detachably connected with the fixed disc (32);The limiting box (33) is connected or disassembled by extending into or exiting the connecting groove (321) between the rotating shell (31) and the fixed disc (32).

3. The pipe butt-joint assisted lifting and sliding device for pipe construction according to claim 2, characterized in that, The rotating shell (31) comprises at least two limiting boxes (33) which are symmetrically arranged around the rotation axis of the rotating shell (31); each limiting box (33) comprises a clamping structure (331), an elastic structure (332) and a supporting structure (333), and the supporting structure (333) is in a U shape; the clamping structure (331) is in sliding connection with the supporting structure (333), and the elastic structure (332) is in abutment with the clamping structure (331) and the supporting structure (333) respectively, for pushing the clamping structure (331) to extend relative to the supporting structure (333) to be inserted into the connecting groove (321), and the clamping structure (331) is further configured to be driven to retract relative to the supporting structure (333) to exit the connecting groove (321).

4. The pipe butt-joint assisted lifting and sliding device for pipe construction according to claim 1, characterized in that, The rotating shell (31) comprises an angle adjusting part (311) and a guide part (312), the guide part (312) is connected to one side of the angle adjusting part (311) away from the fixed disc (32), the guide part (312) comprises two spaced guide rod structures (3121), the angle adjusting part (311) is in rotational connection with the fixed disc (32), the two guide rod structures (3121) are connected to one side of the angle adjusting part (311) away from the fixed disc (32), the second docking shell (42) is in fixed connection with the two guide rod structures (3121), the first docking shell (41) is in sliding connection with the two guide rod structures (3121), and the first docking shell (41) is driven to approach the second docking shell (42) to clamp the two pipelines close to each other and complete the butt joint.

5. The pipe butt-joint assisted lifting and sliding device for pipe construction according to claim 4, characterized in that, The docking assembly (4) further comprises a sliding shell (46), the sliding shell (46) is sleeved on the guide rod structure (3121) and connected with the first docking shell (41), for allowing the first docking shell (41) to slide along the guide rod structure (3121).

6. The pipe butt-joint assisted lifting and sliding device for pipe construction according to claim 4, characterized in that, The docking assembly (4) further comprises a reinforcing block (47), the second screw rod (44) is in rotational connection with the angle adjusting part (311), the second screw rod (44) is parallel to the guide rod structure (3121), the reinforcing block (47) is in fixed connection with the rotating shell (31), the reinforcing block (47) is connected with the second screw rod (44) and the angle adjusting part (311) respectively, and the length of the second screw rod (44) in the axial direction is 1.5 m.

7. The pipe butt-joint assisted lifting and sliding device for pipe construction according to claim 3, characterized in that, The support structure (333) comprises a clamping limiting part (3331) and an elastic limiting part (3332) connected integrally, the clamping limiting part (3331) is provided with a first through groove (33311), the clamping limiting part (3331) comprises at least two limiting protrusions (33312), the clamping limiting part (3331) is detachably connected with the fixed disc (32), the first through groove (33311) is arranged towards at least one connecting groove (321), and the at least two limiting protrusions (33312) are located on the two sides away from the first through groove (33311) in the axial direction of the fixed disc (32); the elastic limiting part (3332) is located on the side of the clamping limiting part (3331) away from the limiting protrusion (33312), and the elastic limiting part (3332) is provided with a second through groove (33321); the clamping structure (331) comprises a clamping tongue (3311) and a pull rod (3312) connected integrally, the clamping tongue (3311) is slidably arranged in the first through groove (33311) and used for extending into or withdrawing from the connecting groove (321), the pull rod (3312) is located on the side of the clamping tongue (3311) away from the fixed disc (32), and the pull rod (3312) is slidably arranged in the second through groove (33321); and the elastic structure (332) is sleeved on the pull rod (3312).

8. The pipe butt-joint assisted lifting and sliding device for pipe construction according to claim 4, characterized in that, The angle adjusting part (311) is connected to the side of the fixed disc (32) away from the support (12), the two guide rod structures (3121) are connected to the side of the angle adjusting part (311) away from the fixed disc (32), and the first docking shell (41) and the second docking shell (42) are connected to the sides of the two guide rod structures (3121) away from the angle adjusting part (311).

9. The pipe butt-joint assisted lifting and sliding device for pipe construction according to claim 5, characterized in that, The first docking shell (41) comprises a first docking structure (411) and a second docking structure (412), the first docking structure (411) and the second docking structure (412) are both configured in a shape suitable for abutting the pipeline, the first docking structure (411) is slidably connected with the two guide rod structures (3121), and the second docking structure (412) is detachably connected with the first docking structure (411); the second docking shell (42) comprises a third docking structure (421) and a fourth docking structure (422), the third docking structure (421) and the fourth docking structure (422) are both configured in a shape suitable for abutting the pipeline, the third docking structure (421) is fixedly connected with the two guide rod structures (3121), and the fourth docking structure (422) is detachably connected with the third docking structure (421).

10. The pipe butt-joint assisted lifting and sliding device for pipe construction according to claim 1, characterized in that, The diameter of the fixed disc (32) is smaller than the height of the support (12) in the vertical direction, and the diameter of the fixed disc (32) is equal to the length of the bottom plate (11).

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