Auxiliary splicing device for municipal pipeline construction

Abstract

The present invention discloses an auxiliary splicing device for municipal pipeline construction, which relates to the technical field of municipal construction and aims to solve the technical problem that the current pipeline lacks a protective structure before splicing, which easily affects the quality of pipeline splicing. The device comprises two pipeline sleeves and an inner sealing sleeve slidably connected to one pipeline sleeve. The present invention blocks the gap at the pipeline by setting a pipeline sleeve and a pipeline sealing structure, forms a closed chamber by the inner sealing sleeve and the outer sealing sleeve to protect the pipeline splicing, and then connects external equipment through a through hole, cleans the pipeline in the closed chamber by a flushing device, and dries the closed chamber by a drying device, thereby solving the water accumulation and sealing problems in the municipal pipeline splicing process. The present invention can protect the pipeline splicing, keep the pipeline splicing clean and not easily contaminated, thereby ensuring that the splicing quality of the pipeline is not affected by external pollution.

Description

Technical Field

[0001] The invention relates to the technical field of municipal construction, and more specifically to an auxiliary splicing device for municipal pipeline construction. Background Art

[0002] With the acceleration of urbanization, the scale and demand of municipal pipeline construction are growing. As a key component of urban infrastructure, municipal pipelines undertake the important task of transporting various media (such as water supply, drainage, gas, heat, etc.). Their construction quality and efficiency are directly related to the normal operation of the city and the quality of life of residents. Pipe splicing is a key link in the process of pipeline construction and installation. Its quality and efficiency directly affect the performance and reliability of the entire pipeline system. In the process of municipal pipeline splicing, in order to improve the quality and efficiency of municipal pipeline splicing and reduce construction costs and risks, auxiliary splicing devices are needed.

[0003] However, it is not difficult to find that the existing auxiliary splicing devices for pipes, such as the technical solutions provided in the Chinese invention patents with application numbers 202411419371.3, 202410154036.9, and 202411174278.0, lack a protective structure before pipe splicing, which causes the pipes to be exposed for a long time, making it easy for the pipe joints to be contaminated, and easily affecting the splicing quality of the pipes during the subsequent splicing and welding process. In view of this, we propose an auxiliary splicing device for municipal pipeline construction. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art, meet actual needs, and provide an auxiliary splicing device for municipal pipeline construction to solve the technical problem that the current pipeline lacks a protective structure before splicing, which easily affects the quality of pipeline splicing.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: an auxiliary splicing device for municipal pipeline construction, comprising two pipeline sleeves, an inner sealing sleeve slidably connected to one pipeline sleeve, an outer sealing sleeve slidably connected to the other pipeline sleeve, and a pipeline sealing assembly arranged in the pipeline sleeve;

[0006] The pipeline sleeve, the inner sealing sleeve and the outer sealing sleeve are all cylindrical structures composed of two semi-cylindrical structures, the inner sealing sleeve is inserted into the outer sealing sleeve, and the inner sealing sleeve and the outer sealing sleeve are provided with a plurality of through holes;

[0007] The pipeline sealing assembly includes a mounting ring, a mounting groove, a spring, and a sealing block;

[0008] The mounting ring is mounted on the semi-cylindrical structure at the bottom of the pipe sleeve, the mounting groove is arranged inside the mounting ring, the circumferential inner wall of the mounting ring is connected to the circumferential outer walls of a number of sealing blocks through a number of springs, the sealing blocks are divided into two groups that fit each other and are staggered, and each group of sealing blocks is arranged in an annular shape equidistantly along the axis of the mounting ring, the annular body formed by the sealing blocks has an eccentric circular groove at a position eccentric to the axial direction of the mounting ring on the front side of the annular body, a screw groove connected to the eccentric circular groove is opened on the inner diameter of the annular body, and the terminal end of the screw groove extends to the inside of the mounting ring.

[0009] Preferably, a first slide groove is provided at the bottom end of the semi-cylindrical structure at the upper part of the pipe sleeve, a first slide bar is installed at the top end of the semi-cylindrical structure at the lower part of the pipe sleeve, and the semi-cylindrical structure at the upper part of the pipe sleeve is slidably connected to the semi-cylindrical structure at the lower part of the pipe sleeve through the first slide groove and the first slide bar.

[0010] Preferably, a second slide bar is installed at one end of the semi-cylindrical structure at the upper part of the pipe sleeve, and a second slide groove is provided at the other end of the semi-cylindrical structure at the lower part of the pipe sleeve. The semi-cylindrical structure at the upper part of the pipe sleeve is rotatably connected to the semi-cylindrical structure at the lower part of the pipe sleeve through the second slide groove and the second slide bar.

[0011] Preferably, the outer side of the pipe sleeve is provided with a plurality of guide straight grooves equidistantly along the axis in an annular shape, and the guide straight grooves are arranged along the direction of the axis of the pipe sleeve, the outer side of the pipe sleeve is provided with a guide ring groove, and the guide ring groove is connected to the plurality of guide straight grooves, the inner sides of the inner sealing sleeve and the outer sealing sleeve are provided with a plurality of adsorption guide strips equidistantly along the axis in an annular shape, the inner sealing sleeve and the outer sealing sleeve are respectively slidably connected to the outside of the two pipe sleeves through the adsorption guide strips and the guide straight grooves, and the inner sealing sleeve and the outer sealing sleeve are respectively rotatably connected to the outside of the two pipe sleeves through the adsorption guide strips and the guide ring grooves.

[0012] Preferably, a buckle block is installed on the outer side of the inner sealing sleeve, a buckle groove is provided on the inner side of the outer sealing sleeve, and the inner sealing sleeve is buckled and connected to the outer sealing sleeve via the buckle block and the buckle groove.

[0013] Preferably, a pipeline fixing structure is provided in the pipeline sleeve, and the pipeline fixing structure includes a fixing ring, a fixing groove, a driving motor, a first gear shaft, a gear ring, a second gear shaft, a first gear rod, and a clamping block;

[0014] The fixing ring is mounted on the semi-cylindrical structure at the bottom of the pipe sleeve, the fixing groove is arranged inside the fixing ring, the driving motor is mounted on the outside of the fixing ring, the first gear shaft is mounted on the output end of the driving motor, the inner side of the gear ring is meshed and connected to the first gear shaft, a plurality of the second gear shafts are meshed and connected to the inner side of the gear ring, and a plurality of the second gear shafts are equidistantly arranged in an annular shape along the axis of the fixing ring, the first gear rod is meshed and connected to the second gear shaft, the first gear rod is slidably connected to the fixing ring, and the clamping block is mounted on the first gear rod.

[0015] Preferably, a guide rod is slidably connected inside the first gear rod, and the other end of the guide rod is mounted on the circumferential inner wall of the fixing groove.

[0016] Preferably, a fixing block is installed on both sides of the semi-cylindrical structure on the upper part of the pipe sleeve, the fixing block is provided with a through plug hole, the fixing block is provided with a supporting assembly, and the supporting assembly includes a mounting frame, a worm, a worm wheel, a connecting rod, a gear, a second gear rod, a supporting rod, and a driving wheel;

[0017] The support rod is inserted into the socket, the worm is rotatably connected to the mounting frame, the worm wheel is meshingly connected to the worm, the connecting rod is installed on the worm wheel, the two gears are respectively installed at both ends of the connecting rod, the second gear rod is meshingly connected to the gear, and the second gear rod is slidably connected to the mounting frame, the support rod is installed at the bottom end of the second gear rod, and the driving wheel is detachably connected to the bottom end of the support rod.

[0018] Preferably, a connecting hole is provided on the fixing block, and an internal thread is provided in the connecting hole. A fixing screw is connected to the connecting hole via the internal thread, and the fixing screw is threadedly connected to the mounting frame.

[0019] A method for using an auxiliary splicing device for municipal pipeline construction comprises the following steps:

[0020] S1. Pipe pairing: first disassemble the semi-cylindrical structure on the upper part of the pipe sleeve and the semi-cylindrical structure on the upper part of the pipe sleeve, then wipe the pipe port clean, insert it along the eccentric circular groove, and shake the pipe to insert the pipe into the sealing block along the screw groove. The sealing block is pressed tightly against the outer wall of the pipe by the spring to seal the gap between the pipe sleeve and the pipe, and then reset the pipe sleeve;

[0021] S2, axial calibration, by turning on the drive motor, the drive motor drives six equidistant annular clamps through the drive structure of the pipeline fixing structure to position the pipeline to the axis of the pipeline sleeve, so that the pipeline and the pipeline sleeve remain coaxial;

[0022] S3, cleaning the joint, by pushing the inner sealing sleeve and the outer sealing sleeve to connect the inner sealing sleeve and the outer sealing sleeve to form a sealed chamber, aligning the through holes after rotation, and then connecting the flushing equipment to the through holes to clean the pipes at the joint, and then connecting the drying equipment to the through holes to dry the pipes at the joint;

[0023] S4. Pipeline splicing and disassembly: Connect the fixed block and the support assembly through the fixed screw. The support assembly works to support the pipeline. After the pipeline is at a height suitable for processing, remove the inner sealing sleeve and the outer sealing sleeve and splice the pipeline. After splicing, push the support assembly, and the support assembly drives the equipment to move along the pipeline to the next splicing place or remove it from the pipeline.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] 1. The present invention blocks the gaps in the pipeline by setting a pipeline sleeve and a pipeline sealing structure, forms a closed chamber through an inner sealing sleeve and an outer sealing sleeve to protect the pipeline joint, connects external equipment through a through hole, cleans the pipeline in the closed chamber through a flushing device, and dries the closed chamber through a drying device, thereby solving the water accumulation and sealing problems in the municipal pipeline splicing process. The present invention can protect the pipeline joints, keep the pipeline joints clean and not easily contaminated, thereby ensuring that the splicing quality of the pipeline is not affected by external pollution.

[0026] 2. The present invention divides the pipe sleeve into two semi-cylindrical structures, and through the cooperation of the first slide bar and the first slide groove, and the cooperation of the second slide bar and the second slide groove, one semi-cylindrical structure can rotate and slide on the other semi-cylindrical structure, so that the pipe sleeve of the cylindrical structure is sleeved on the pipe. The present invention can be quickly disassembled and assembled on the pipe, is easy to operate, and greatly improves the installation efficiency of the auxiliary splicing equipment.

[0027] 3. The pipe fixing structure of the present invention uses a precise gear transmission system to enable the clamping block to clamp the pipe, so that the pipe and the pipe sleeve can be coaxially fixed, thus achieving reliable fixation of the pipe, effectively preventing the pipe from shifting, rotating or shaking during subsequent construction operations, and ensuring the precision and stability of pipe splicing. The present invention greatly improves the efficiency and accuracy of fixation, and reduces the splicing error caused by loose pipe fixation or axis deviation.

[0028] 4. The present invention successfully achieves efficient sealing and sealing of the splicing of municipal pipelines through the structure and working mode of the inner sealing sleeve and the outer sealing sleeve. Compared with the traditional sealing method, its operation is simpler and faster, and the cooperation between the various components is more accurate and tight. The present invention effectively improves the quality and efficiency of sealing, reduces the probability of water leakage and air leakage caused by loose sealing, and provides a strong guarantee for the smooth progress of municipal pipeline construction projects.

[0029] 5. The present invention can support the pipe sleeve, adjust the height of the pipe, and drive the equipment to move out from the other end of the pipe by setting a support component, so as to facilitate the separation of the pipe and the equipment, and at the same time provide a more precise and reliable adjustment and support means for municipal pipe splicing. The present invention can timely detect and correct minor deviations during the splicing process, effectively avoiding pipe leakage and deformation problems caused by inaccurate splicing, and can push the equipment along the pipe, so as to facilitate the separation of the pipe and the equipment.

[0030] 6. The present invention provides an eccentric circular groove eccentric to the axial direction of the mounting ring on the front side of the circular ring body formed by a plurality of sealing blocks, so that the pipe can be easily inserted into the eccentric circular groove, and then the inserted end of the pipe is manually shaken, so that the inserted end of the pipe can slide into the screw groove connected to the eccentric circular groove. This shaking operation can make the pipe more labor-saving to insert into the interior of the mounting ring, reducing the difficulty of construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of the present invention;

[0032] Figure 2 It is a structural schematic diagram of a pipe sleeve equipped with an outer sealing sleeve according to the present invention;

[0033] Figure 3 It is a schematic structural diagram of a pipe sleeve equipped with an inner sealing sleeve according to the present invention;

[0034] Figure 4 This is a schematic diagram of the structure of the present invention after the semi-cylindrical structure on the upper part of the pipeline sleeve is pushed;

[0035] Figure 5 It is a schematic diagram of the structure after the semi-cylindrical structure on the upper part of the pipe sleeve of the present invention is rotated;

[0036] Figure 6 It is a schematic diagram of the explosion structure after the semi-cylindrical structure on the upper part of the pipe sleeve of the present invention is rotated;

[0037] Figure 7 It is a schematic cross-sectional view of the pipeline sealing structure of the present invention;

[0038] Figure 8 It is a schematic cross-sectional view of the pipeline fixing structure of the present invention;

[0039] Fig. 9 It is a schematic cross-sectional structural diagram of the support assembly of the present invention.

[0040] Description of the numbers in the figure:

[0041] 1. Pipe sleeve; 2. Inner sealing sleeve; 3. Outer sealing sleeve; 4. Through hole; 5. Pipe sealing assembly; 6. Pipe fixing structure; 7. Support assembly; 8. Adsorption guide strip;

[0042] 101, first slide groove; 102, first slide bar; 103, second slide groove; 104, second slide bar; 105, guide straight groove; 106, guide ring groove; 107, fixing block; 108, jack; 109, connecting hole;

[0043] 201, snap block;

[0044] 202, snap slot;

[0045] 501, mounting ring; 502, mounting groove; 503, spring; 504, sealing block;

[0046] 5041, eccentric circular groove; 5042, screw groove;

[0047] 601, fixing ring; 602, fixing groove; 603, driving motor; 604, first gear shaft; 605, gear ring; 606, second gear shaft; 607, first gear rod; 608, clamping block; 609, guide rod;

[0048] 701, mounting frame; 702, worm; 703, worm wheel; 704, connecting rod; 705, gear; 706, second gear rod; 707, support rod; 708, driving wheel; 709, fixing screw. DETAILED DESCRIPTION

[0049] Embodiment 1, as Figures 1 to 7As shown, the present invention relates to an auxiliary splicing device for municipal pipeline construction, comprising two pipeline sleeves 1, an inner sealing sleeve 2 slidably connected to one pipeline sleeve 1, an outer sealing sleeve 3 slidably connected to the other pipeline sleeve 1, and a pipeline sealing assembly 5 arranged in the pipeline sleeve 1; the pipeline sleeve 1, the inner sealing sleeve 2 and the outer sealing sleeve 3 are all cylindrical structures composed of two semi-cylindrical structures, the inner sealing sleeve 2 is inserted in the outer sealing sleeve 3, and two through holes 4 are provided on the inner sealing sleeve 2 and the outer sealing sleeve 3; the pipeline sealing assembly 5 comprises a mounting ring 501, a mounting groove 502, a spring 503, and a sealing block 504; the mounting ring 501 is mounted on the pipeline On the semi-cylindrical structure at the lower part of the sleeve 1, the mounting groove 502 is arranged inside the mounting ring 501, and the circumferential inner wall of the mounting ring 501 is connected to the circumferential outer wall of the sixteen sealing blocks 504 through sixteen springs 503. The sixteen sealing blocks 504 are divided into two groups that fit each other and are staggered, and each group of sealing blocks 504 is equidistantly arranged in a ring along the axis of the mounting ring 501. The annular body formed by a plurality of sealing blocks 504 has an eccentric circular groove 5041 at a position eccentric to the axial direction of the mounting ring 501 on the front side of the annular body, and a screw groove 5042 connected to the eccentric circular groove 5041 is opened on the inner diameter of the annular body, and the terminal end of the screw groove 5042 extends to the inside of the mounting ring 501. The present invention provides an eccentric circular groove 5041 axially eccentric to the mounting ring 501 on the front side of the circular ring body formed by a plurality of sealing blocks 504, so that the pipe can be easily inserted into the eccentric circular groove 5041, and then the inserted end of the pipe is manually shaken, so that the inserted end of the pipe can slide into the screw groove 5042 connected to the eccentric circular groove 5041. This shaking operation can make the pipe more labor-saving to insert into the interior of the mounting ring 501, thereby reducing the difficulty of construction.

[0050] The present invention blocks the gaps at the pipes by setting a pipe sleeve 1 and a pipe sealing structure, forms a closed chamber by an inner sealing sleeve 2 and an outer sealing sleeve 3 to protect the pipe joints, connects external equipment through a through hole 4, cleans the pipes in the closed chamber by a flushing device, and dries the closed chamber by a drying device, thereby solving the water accumulation and sealing problems in the municipal pipe joint process. The present invention can protect the pipe joints, keep the pipe joints clean and not easily contaminated, thereby ensuring that the pipe joint quality is not affected by external pollution.

[0051] Specifically, Figures 1 to 5 As shown, the bottom end of the semi-cylindrical structure of the upper part of the pipe sleeve 1 involved in the present invention is provided with a first slide groove 101, and the top end of the semi-cylindrical structure of the lower part of the pipe sleeve 1 is installed with a first slide bar 102. The semi-cylindrical structure of the upper part of the pipe sleeve 1 is slidably connected to the semi-cylindrical structure of the lower part of the pipe sleeve 1 through the first slide groove 101 and the first slide bar 102.

[0052] A second slide bar 104 is installed at one end of the semi-cylindrical structure at the top of the pipe sleeve 1, and a second slide groove 103 is provided at the other end of the semi-cylindrical structure at the bottom of the pipe sleeve 1. The semi-cylindrical structure at the top of the pipe sleeve 1 is rotatably connected to the semi-cylindrical structure at the bottom of the pipe sleeve 1 through the second slide groove 103 and the second slide bar 104.

[0053] The present invention divides the pipe sleeve 1 into two semi-cylindrical structures, and through the cooperation of the first slide bar 102 and the first slide groove 101, and the cooperation of the second slide bar 104 and the second slide groove 103, one semi-cylindrical structure can rotate and slide on the other semi-cylindrical structure, so that the pipe sleeve 1 of the cylindrical structure is sleeved on the pipe. The present invention can be quickly disassembled and assembled on the pipe, is easy to operate, and greatly improves the installation efficiency of the auxiliary splicing equipment.

[0054] It is worth noting that if Figure 8 As shown, the pipe sleeve 1 of the present invention is provided with a pipe fixing structure 6, which includes a fixing ring 601, a fixing groove 602, a driving motor 603, a first gear shaft 604, a gear ring 605, a second gear shaft 606, a first gear rod 607, and a clamping block 608; the fixing ring 601 is installed on the semi-cylindrical structure at the lower part of the pipe sleeve 1, the fixing groove 602 is arranged inside the fixing ring 601, the driving motor 603 is installed on the outside of the fixing ring 601, the first gear shaft 604 is installed on the output end of the driving motor 603, the inner side of the gear ring 605 is meshed and connected to the first gear shaft 604, the six second gear shafts 606 are all meshed and connected to the inner side of the gear ring 605, and the six second gear shafts 606 are equidistantly arranged in an annular shape along the axis of the fixing ring 601, the first gear rod 607 is meshed and connected to the second gear shaft 606, the first gear rod 607 is slidably connected to the fixing ring 601, and the clamping block 608 is installed on the first gear rod 607.

[0055] A guide rod 609 is slidably connected inside the first gear rod 607 , and the other end of the guide rod 609 is mounted on the circumferential inner wall of the fixing groove 602 .

[0056] The pipe fixing structure 6 of the present invention enables the clamping block 608 to clamp the pipe through the precise gear 705 transmission system, so that the pipe and the pipe sleeve 1 can be coaxially fixed, thereby realizing reliable fixing of the pipe, effectively preventing the pipe from deflecting, rotating or shaking in subsequent construction operations, and ensuring the precision and stability of pipe splicing. The present invention greatly improves the efficiency and accuracy of fixing, and reduces the splicing error caused by loose pipe fixing or axis deviation.

[0057] Further, such as Figure 6As shown, the outer side of the pipe sleeve 1 involved in the present invention is provided with a plurality of guide straight grooves 105 in an annular shape equidistant along the axis, and the guide straight grooves 105 are arranged along the direction of the axis of the pipe sleeve 1, the outer side of the pipe sleeve 1 is provided with a guide ring groove 106, and the guide ring groove 106 is connected to the plurality of guide straight grooves 105, and the inner sides of the inner sealing sleeve 2 and the outer sealing sleeve 3 are provided with a plurality of adsorption guide strips 8 in an annular shape equidistant along the axis, the inner sealing sleeve 2 and the outer sealing sleeve 3 are respectively slidably connected to the outside of the two pipe sleeves 1 through the adsorption guide strips 8 and the guide straight grooves 105, and the inner sealing sleeve 2 and the outer sealing sleeve 3 are respectively rotatably connected to the outside of the two pipe sleeves 1 through the adsorption guide strips 8 and the guide ring grooves 106.

[0058] A buckle block 201 is installed on the outer side of the inner sealing sleeve 2 , a buckle groove 202 is provided on the inner side of the outer sealing sleeve 3 , and the inner sealing sleeve 2 is buckled and connected to the outer sealing sleeve 3 through the buckle block 201 and the buckle groove 202 .

[0059] The present invention successfully achieves efficient sealing and sealing of the splicing of municipal pipelines through the structure and working mode of the inner sealing sleeve 2 and the outer sealing sleeve 3. Compared with the traditional sealing method, the operation is simpler and faster, and the cooperation between the components is more accurate and tight. The present invention effectively improves the quality and efficiency of sealing, reduces the probability of water leakage and air leakage caused by loose sealing, and provides a strong guarantee for the smooth progress of municipal pipeline construction projects.

[0060] Further, if Figure 1 and Fig. 9 As shown, both sides of the semi-cylindrical structure on the upper part of the pipe sleeve 1 involved in the present invention are installed with fixing blocks 107, and a through socket 108 is provided on the fixing block 107. A support assembly 7 is provided on the fixing block 107, and the support assembly 7 includes a mounting frame 701, a worm 702, a worm wheel 703, a connecting rod 704, a gear 705, a second gear rod 706, a support rod 707, and a driving wheel 708; the support rod 707 is inserted into the socket 108, the worm 702 is rotatably connected to the mounting frame 701, the worm wheel 703 is meshedly connected to the worm 702, the connecting rod 704 is installed on the worm wheel 703, two gears 705 are respectively installed at both ends of the connecting rod 704, the second gear rod 706 is meshedly connected to the gear 705, and the second gear rod 706 is slidably connected to the mounting frame 701, the support rod 707 is installed at the bottom end of the second gear rod 706, and the driving wheel 708 is detachably connected to the bottom end of the support rod 707.

[0061] The fixing block 107 is provided with a connecting hole 109 , and an internal thread is provided in the connecting hole 109 . The connecting hole 109 is connected with a fixing screw 709 via the internal thread, and the fixing screw 709 is threadedly connected to the installation frame 701 .

[0062] The present invention can support the pipe sleeve 1 by setting the support assembly 7, adjust the height of the pipe, and drive the equipment to move out from the other end of the pipe, so as to facilitate the separation of the pipe and the equipment, and at the same time provide a more precise and reliable adjustment and support means for municipal pipe splicing. The present invention can timely discover and correct minor deviations during the splicing process, effectively avoiding pipe leakage and deformation problems caused by inaccurate splicing, and can push the equipment along the pipe, so as to facilitate the separation of the pipe and the equipment.

[0063] Embodiment 2, based on the difference from Embodiment 1, the present invention further provides a method of use, a method of using an auxiliary splicing device for municipal pipeline construction, comprising the following steps:

[0064] S1. Pipe pairing: first push the semi-cylindrical structure on the upper part of the pipe sleeve 1, and the semi-cylindrical structure on the upper part of the pipe sleeve 1 slides in the first slide groove 101 through the first slide bar 102, so that the semi-cylindrical structure on the upper part of the pipe sleeve 1 moves to the front end of the semi-cylindrical structure on the lower part of the pipe sleeve 1, so that the second slide bar 104 is aligned with the second slide groove 103, and then push the semi-cylindrical structure on the upper part of the pipe sleeve 1, and the semi-cylindrical structure on the upper part of the pipe sleeve 1 slides in the second slide groove 103 through the second slide bar 104, so that the semi-cylindrical structure on the upper part of the pipe sleeve 1 rotates to the pipe sleeve 1, so that the two semi-cylindrical structures of the pipe sleeve 1 remain flush, then wipe the pipe port clean, insert it along the eccentric circular groove 5041, and shake the pipe to make the pipe insert into the sealing block 504 along the screw groove 5042. The spring 503 is forced to shrink, so that the sealing block 504 can move along the installation groove 502. After the pipe is inserted, the spring 503 presses the sealing block 504 tightly, so that the sealing block 504 fits on the outer wall of the pipe. The two sets of fitting and staggered sealing blocks 504 cooperate to seal the gap between the pipe sleeve 1 and the pipe.

[0065] S2, axial calibration, by turning on the driving motor 603, the driving motor 603 drives the gear ring 605 to rotate through the first gear shaft 604, the gear ring 605 drives the first gear rod 607 to move through the second gear shaft 606, the first gear rod 607 is limited by the guide rod 609 and the fixing ring 601, so as to move along the guide rod 609 in a straight line, driving six equidistant annular clamping blocks 608 to position the pipeline at the axis center of the pipeline sleeve 1, so that the pipeline and the pipeline sleeve 1 remain coaxial;

[0066] S3, cleaning the joint, by pushing the inner sealing sleeve 2 and the outer sealing sleeve 3, the inner sealing sleeve 2 and the outer sealing sleeve 3 move along the guide straight groove 105 through the adsorption guide bar 8 to reach the guide ring groove 106, the inner sealing sleeve 2 drives the buckle block 201 to be inserted into the buckle groove 202 of the outer sealing sleeve 3, and then push the inner sealing sleeve 2 and the outer sealing sleeve 3 to rotate in the opposite direction, the adsorption guide bar 8 rotates in the guide ring groove 106, so that the buckle block 201 is further screwed into the buckle groove 202, connecting the inner sealing sleeve 2 and the outer sealing sleeve 3 to form a sealed chamber, the through hole 4 is aligned after rotation, and then the flushing equipment is connected to the through hole 4, the pipeline at the joint is cleaned, and then the drying equipment is connected to the through hole 4, and the pipeline at the joint is dried;

[0067] S4, pipe splicing and disassembly, connect the fixed block 107 and the installation frame 701 through the fixed screw 709, turn the worm 702, the worm 702 drives the connecting rod 704 to rotate through the worm gear 703, the connecting rod 704 drives the second gear rod 706 to rotate through the gear 705, the second gear rod 706 drives the driving wheel 708 to support the pipe through the support rod 707, so that the pipe is at a height suitable for processing, disassemble the inner sealing sleeve 2 and the outer sealing sleeve 3, and splice the pipe. After splicing, by pushing the support assembly 7, the support assembly 7 drives the equipment to move along the pipe to the next splicing place or remove it from the pipe through the driving wheel 708.

[0068] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. An auxiliary splicing device for municipal pipeline construction, characterized in that: It comprises two pipe sleeves (1), an inner sealing sleeve (2) slidably connected to one pipe sleeve (1), an outer sealing sleeve (3) slidably connected to the other pipe sleeve (1), and a pipe sealing assembly (5) arranged in the pipe sleeve (1); The pipeline sleeve (1), the inner sealing sleeve (2) and the outer sealing sleeve (3) are all cylindrical structures composed of two semi-cylindrical structures. The inner sealing sleeve (2) is inserted into the outer sealing sleeve (3). The inner sealing sleeve (2) and the outer sealing sleeve (3) are provided with a plurality of through holes (4) that penetrate therethrough. The pipeline sealing assembly (5) comprises a mounting ring (501), a mounting groove (502), a spring (503), and a sealing block (504); The mounting ring (501) is mounted on a semi-cylindrical structure at the bottom of the pipe sleeve (1); the mounting groove (502) is arranged inside the mounting ring (501); the circumferential inner wall of the mounting ring (501) is connected to the circumferential outer walls of a plurality of sealing blocks (504) via a plurality of springs (503); the plurality of sealing blocks (504) are divided into two groups that fit each other and are arranged alternately, and each group of sealing blocks (504) is arranged in an annular shape equidistantly along the axis of the mounting ring (501); the annular body formed by the plurality of sealing blocks (504) has an eccentric circular groove (5041) arranged on the front side of the annular body at a position eccentric to the axial direction of the mounting ring (501); the inner diameter of the annular body is provided with a screw groove (5042) that is connected to the eccentric circular groove (5041); the terminal end of the screw groove (5042) extends to the inside of the mounting ring (501).

2. The auxiliary splicing device for municipal pipeline construction according to claim 1 is characterized in that: A first slide groove (101) is provided at the bottom end of the semi-cylindrical structure at the upper part of the pipe sleeve (1), a first slide bar (102) is installed at the top end of the semi-cylindrical structure at the lower part of the pipe sleeve (1), and the semi-cylindrical structure at the upper part of the pipe sleeve (1) is slidably connected to the semi-cylindrical structure at the lower part of the pipe sleeve (1) via the first slide groove (101) and the first slide bar (102).

3. The auxiliary splicing device for municipal pipeline construction according to claim 2 is characterized in that: A second slide bar (104) is installed at one end of the semi-cylindrical structure at the upper part of the pipe sleeve (1), and a second slide groove (103) is provided at the other end of the semi-cylindrical structure at the lower part of the pipe sleeve (1). The semi-cylindrical structure at the upper part of the pipe sleeve (1) is rotatably connected to the semi-cylindrical structure at the lower part of the pipe sleeve (1) via the second slide groove (103) and the second slide bar (104).

4. The auxiliary splicing device for municipal pipeline construction according to claim 3 is characterized in that: The outer side of the pipe sleeve (1) is provided with a plurality of guide straight grooves (105) in an annular manner equidistantly along the axis, and the guide straight grooves (105) are arranged along the direction of the axis of the pipe sleeve (1); the outer side of the pipe sleeve (1) is provided with a guide annular groove (106), and the guide annular groove (106) is connected to the plurality of guide straight grooves (105); the inner sides of the inner sealing sleeve (2) and the outer sealing sleeve (3) are provided with a plurality of adsorption guide strips (8) in an annular manner equidistantly along the axis; the inner sealing sleeve (2) and the outer sealing sleeve (3) are respectively slidably connected to the outside of the two pipe sleeves (1) through the adsorption guide strips (8) and the guide straight grooves (105); and the inner sealing sleeve (2) and the outer sealing sleeve (3) are respectively rotatably connected to the outside of the two pipe sleeves (1) through the adsorption guide strips (8) and the guide annular grooves (106).

5. The auxiliary splicing device for municipal pipeline construction according to claim 4, characterized in that: A buckle block (201) is installed on the outer side of the inner sealing sleeve (2), a buckle groove (202) is provided on the inner side of the outer sealing sleeve (3), and the inner sealing sleeve (2) is buckled and connected to the outer sealing sleeve (3) via the buckle block (201) and the buckle groove (202).

6. The auxiliary splicing device for municipal pipeline construction according to claim 5, characterized in that: The pipeline sleeve (1) is provided with a pipeline fixing structure (6), and the pipeline fixing structure (6) comprises a fixing ring (601), a fixing groove (602), a driving motor (603), a first gear shaft (604), a gear ring (605), a second gear shaft (606), a first gear rod (607), and a clamping block (608); The fixing ring (601) is mounted on a semi-cylindrical structure at the bottom of the pipe sleeve (1); the fixing groove (602) is arranged inside the fixing ring (601); the driving motor (603) is mounted on the outside of the fixing ring (601); the first gear shaft (604) is mounted on the output end of the driving motor (603); the inner side of the gear ring (605) is meshedly connected to the first gear shaft (604); a plurality of second gear shafts (606) are meshedly connected to the inner side of the gear ring (605); and the plurality of second gear shafts (606) are equidistantly arranged in an annular shape along the axis of the fixing ring (601); the first gear rod (607) is meshedly connected to the second gear shaft (606); the first gear rod (607) is slidably connected to the fixing ring (601); and the clamping block (608) is mounted on the first gear rod (607).

7. The auxiliary splicing device for municipal pipeline construction according to claim 6, characterized in that: A guide rod (609) is slidably connected inside the first gear rod (607), and the other end of the guide rod (609) is mounted on the circumferential inner wall of the fixing groove (602).

8. The auxiliary splicing device for municipal pipeline construction according to claim 7, characterized in that: A fixing block (107) is installed on both sides of the semi-cylindrical structure on the upper part of the pipe sleeve (1), and a through-hole (108) is provided on the fixing block (107). A supporting assembly (7) is provided on the fixing block (107), and the supporting assembly (7) comprises a mounting frame (701), a worm (702), a worm wheel (703), a connecting rod (704), a gear (705), a second gear rod (706), a supporting rod (707), and a driving wheel (708); The support rod (707) is inserted into the insertion hole (108), the worm (702) is rotatably connected to the mounting frame (701), the worm wheel (703) is meshedly connected to the worm (702), the connecting rod (704) is mounted on the worm wheel (703), the two gears (705) are respectively mounted on two ends of the connecting rod (704), the second gear rod (706) is meshedly connected to the gear (705), and the second gear rod (706) is slidably connected to the mounting frame (701), the support rod (707) is mounted on the bottom end of the second gear rod (706), and the driving wheel (708) is detachably connected to the bottom end of the support rod (707).

9. The auxiliary splicing device for municipal pipeline construction according to claim 8, characterized in that: The fixing block (107) is provided with a connection hole (109), and an internal thread is provided in the connection hole (109); the connection hole (109) is connected to a fixing screw rod (709) via the internal thread, and the fixing screw rod (709) is threadedly connected to the installation frame (701).

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