Temporary support system for butt joint installation of municipal sewage pipeline

Abstract

A kind of temporary support system for municipal sewage pipeline butt joint installation, it is related to municipal pipeline butt joint processing technical field, including the temporary butt joint mechanism being arranged on ground and being located at the butt joint of two pipelines, the auxiliary temporary component for lifting pipeline is arranged at the both ends of temporary butt joint mechanism;Temporary butt joint mechanism includes two groups of support components consistent with auxiliary temporary component structure, and two groups of support components are oppositely arranged, support frame is arranged above support component, two groups of butt clamping components are oppositely arranged on the bottom surface of support frame, and two groups of moving butt joint components are oppositely arranged on the bottom surface of support frame.The unique structure design of the present application, simple structure, easy to install, portable, can be used independently in the whole system model, can be convenient for pipeline falling, cooperate with the use of the whole system, can be welded in midair, can effectively improve the pipeline welding effect.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of municipal pipeline butt joint processing, in particular to a temporary support system for butt joint installation of municipal sewage pipelines. BACKGROUND

[0002] At present, in the sewage pipeline network of the whole city, due to the historical reasons of the region, combined with the geological characteristics of the region, the sewage steel pipe must be used. However, due to transportation and other reasons, the sewage steel pipe is segmented during the laying and replacement of the sewage pipeline, and the operator needs to perform butt joint and welding work on the sewage pipeline on site. In general, the sewage pipeline is selectively deeply buried or shallowly buried according to the specific needs of the place where the sewage pipeline passes. During the specific operation process, whether the pipeline is placed in the excavated trench is also determined according to the burial depth of the pipeline. Moreover, during the whole pipeline butt joint and welding process, the pipeline is inevitably butt jointed and welded in the trench, and the width of the trench also causes certain troubles to the pipeline butt joint and welding work.

[0003] In addition, in order to discharge as much sewage pipeline as possible, the sewage steel pipe generally has a large specific gravity. Manual control of the position of the metal pipeline requires a lot of physical strength to control the position of the metal pipeline. Not only the whole pipeline needs to be rotated, but also the pipeline needs to be moved along its axial direction, so that the pipeline openings of the two ends of the pipeline are butt jointed for easy butt joint. The accuracy of the butt joint position of the metal pipeline cannot be guaranteed in the work of the operator, and the metal pipeline cannot be accurately adjusted during the butt joint work, which affects the quality of the butt joint of the metal pipeline.

[0004] How to solve the above technical problems is the subject faced by the present application. SUMMARY

[0005] In order to solve the problems of the prior art, the present application provides a temporary support system for butt joint installation of municipal sewage pipelines, which is reasonable in design and safe and reliable.

[0006] The technical scheme adopted by the present application to solve the technical problems is: a temporary support system for butt joint installation of municipal sewage pipelines, comprising a temporary butt joint mechanism arranged on the ground and located at the butt joint of two pipelines, auxiliary temporary components for lifting the pipelines are arranged at both ends of the temporary butt joint mechanism, and the auxiliary temporary components cooperate with the temporary butt joint mechanism.

[0007] The temporary docking mechanism comprises two sets of support assemblies consistent with the auxiliary temporary assembly structure, and the two sets of support assemblies are oppositely arranged, a support frame cooperating with the support assemblies is arranged above the support assemblies, two sets of docking clamping assemblies are oppositely arranged on the bottom surface of the support frame, and two sets of moving docking assemblies are oppositely arranged on the bottom surface of the support frame, and the moving docking assemblies are located between the docking clamping assemblies and the support assemblies.

[0008] Further, the auxiliary temporary assembly comprises a support bracket in the shape of a Chinese character "fang", a lifting unit cooperating with the support bracket is arranged on the support bracket, and a clamping sliding unit connected with the pipeline is arranged at the bottom end of the support bracket, and the pipeline is provided with a clamping unit cooperating with the clamping sliding unit.

[0009] Further, the support bracket comprises a support plate arranged horizontally, and support legs are arranged at both ends of the support plate, a fixing column cooperating with the support leg is arranged on the support leg, a conical head fixing piece cooperating with the ground is arranged on the bottom surface of the fixing column, and a fastening screw cooperating with the support leg is arranged on the fixing column.

[0010] Further, the fixing column is provided with a fastening unit cooperating with the ground, the fastening unit comprises a plurality of first stable round grooves arranged at the middle end of the fixing column, a plurality of second stable round grooves are arranged at the bottom end of the fixing column, a first stable rotating ring is arranged in the first stable round groove, a first connecting piece is arranged on the first stable rotating ring, a second stable rotating ring is arranged in the second stable round groove, a second connecting piece is arranged on the second stable rotating ring, the first connecting piece is connected with the upper end of the stable conical frame, and the bottom end of the stable conical frame is connected with the second connecting piece.

[0011] Further, the lifting unit comprises two fixing seats oppositely arranged on the support plate, a jacking hydraulic cylinder is arranged on the fixing seat, the moving ends of the two jacking hydraulic cylinders are connected with the same lifting plate, a fastening seat is arranged at the center of the lifting plate, a fastening groove cooperating with the support bracket is arranged on the fastening seat, and a fastening screw cooperating with the support bracket is arranged on the fastening seat.

[0012] Further, the clamping unit comprises two oppositely arranged semicircular clamping pieces, the inner circle of one of the semicircular clamping pieces is provided with a plurality of balls, the other semicircular clamping piece is provided with an arc-shaped sliding groove cooperating with the clamping sliding unit, and the axis of the arc-shaped sliding groove is collinear with the axis of the semicircular clamping piece.

[0013] The clamping sliding unit comprises an arc-shaped clamping block arranged on the support bracket, and the arc-shaped clamping block is provided with an arc-shaped clamping groove matched with the semicircular clamping piece; the arc-shaped clamping block is provided with a plurality of fastening arcs matched with the arc-shaped sliding grooves; the fastening arc comprises a fastening block matched with the arc-shaped sliding groove, and the fastening block is provided with a fastening screw rod penetrating through the arc-shaped clamping block.

[0014] Further, the support bracket is provided with a butt joint protrusion matched with the support frame, the support frame is provided with a butt joint groove matched with the butt joint protrusion, and the support frame is provided with a horizontal rod at the middle part, and the bottom end of the horizontal rod is provided with a guide frame matched with the butt joint clamping assembly.

[0015] Further, the butt joint clamping assembly comprises a lifting frame arranged on the support frame, and the support frame is provided with a height determining unit matched with the lifting frame; the bottom end of the lifting frame is provided with a rotating unit, and the pipeline is provided with a stable clamping piece matched with the rotating unit.

[0016] The stable clamping piece comprises a first clamping semicircular piece, a second clamping semicircular piece arranged opposite to the first clamping semicircular piece, a plurality of rolling balls arranged on the first clamping semicircular piece, a rotating rack arranged on the second clamping semicircular piece matched with the rotating unit, and a limiting hole groove penetrating through the second clamping semicircular piece.

[0017] The rotating unit comprises an arc-shaped rotating block arranged at the bottom end of the lifting frame, and the arc-shaped rotating block is provided with a rotating circular groove matched with the second clamping semicircular piece; the rotating circular groove is provided with a driving cavity, the driving cavity is provided with a driving gear matched with the rotating rack, the bottom end of the lifting frame is provided with a motor matched with the driving gear, the arc-shaped rotating block is provided with a limiting screw hole matched with the limiting hole groove, and the limiting screw hole is provided with a limiting screw rod matched with the second clamping semicircular piece.

[0018] Further, the moving butt joint assembly comprises a fixed base arranged at the bottom end of the support frame, and the fixed base is provided with a moving groove parallel to the pipeline axis; the moving groove is provided with a moving seat, and the moving groove is provided with a moving lead screw matched with the moving seat.

[0019] The moving seat is vertically provided with a plurality of hydraulic cylinders, and the moving ends of the plurality of hydraulic cylinders are connected to a first clamping framework; the first clamping framework is provided with a second clamping framework opposite to the first clamping framework, and the first clamping framework and the second clamping framework are provided with fastening screws matched with the pipeline.

[0020] Further, the support frame is provided with an auxiliary lifting unit matched with the butt joint clamping assembly, the auxiliary lifting unit comprises an electric winch arranged on the support frame, and a halyard is arranged on the electric winch, and one end of the halyard is provided with a hook.

[0021] The application preferably provides a municipal sewage pipeline butt joint temporary support system, and through the unique structural design, especially the welding of the pipeline in the trench, the pipeline can be butt jointed in the air, thereby effectively reducing the labor amount of the workers, and the danger degree of the workers is effectively reduced, and the whole system adopts a separated structural design, and the structure can be used alone when separated, and the installation and assembly are facilitated.

[0022] The application provides a kind of auxiliary temporary mechanism, simple structure, easy to install, portable, can be used independently of the whole system model, can facilitate the falling of pipeline, cooperate with the use of whole system, can be welded in the air, can effectively improve the effect of pipeline welding.

[0023] The application provides a temporary butt joint mechanism, which is mainly composed of two auxiliary temporary mechanisms, simple structure, easy to install, portable, can effectively increase the adaptability of the whole device, can realize the rotation of the pipeline itself, facilitate the expansion of the worker's welding work, and can realize the welding of the master-slave pipeline by using the temporary butt joint mechanism, improve the welding effect of the master-slave pipeline.

[0024] The application can realize the butt joint of the pipeline by combining the auxiliary temporary mechanism and the temporary butt joint mechanism, especially the welding of the pipeline in the trench, and can ensure the pipeline welding in the air, effectively improve the effect of pipeline welding, and reduce the labor amount of the workers. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a working demonstration schematic diagram of the application;

[0026] Figure 2 It is a three-dimensional schematic diagram of the overall structure of the application;

[0027] Figure 3 It is a three-dimensional structural schematic diagram of the temporary butt joint mechanism of the application;

[0028] Figure 4 It is a front view of the temporary butt joint mechanism of the application;

[0029] Figure 5 It is a three-dimensional structural schematic diagram of the auxiliary temporary assembly of the application;

[0030] Figure 6 It is an enlarged structural schematic diagram of A of the application;

[0031] Figure 7 For the enlarged structure diagram of B of the application;

[0032] Wherein, the figure mark is: 1, pipeline; 2, auxiliary temporary component; 21, support support; 211, support plate; 212, support leg; 213, fixed column; 22, lifting unit; 221, fixed seat; 222, jacking hydraulic cylinder; 223, lifting plate; 224, fastening seat; 23, clamping sliding unit; 231, arc clamping block; 2 arc clamping groove 32, 233, fastening arc piece; 24, clamping unit; 241, semicircular clamping piece; 242, arc sliding groove; 25, fastening unit; 251, first stable rotating ring; 252, second stable rotating ring; 253, first connecting piece; 254, second connecting piece; 255, stable conical frame; 3, temporary butt joint mechanism; 31, support assembly; 32, support frame; 4, butt joint clamping assembly; 41, height adjustment unit; 42, rotating unit; 421, arc rotating block; 422, motor; 43, stable clamping piece; 431, first clamping semicircular piece; 432, second clamping semicircular piece; 433, rotating rack; 5, moving butt joint assembly; 51, fixed base; 52, moving groove; 53, moving seat; 54, hydraulic cylinder; 55, first clamping skeleton piece; 56, second clamping skeleton piece. DETAILED DESCRIPTION

[0033] Referring to Figures 1 to 4 As shown in the figure, a temporary support system for municipal sewage pipeline butt joint installation includes a temporary butt joint mechanism 3 arranged on the ground and located at the butt joint of two pipelines 1. The temporary butt joint mechanism 3 is provided with auxiliary temporary components 2 at both ends for lifting the pipelines 1, and the auxiliary temporary components 2 cooperate with the temporary butt joint mechanism 3.

[0034] The temporary butt joint mechanism 3 includes two groups of support assemblies 31 consistent in structure with the auxiliary temporary components 2, and the two groups of support assemblies 31 are oppositely arranged. A support frame 32 cooperating with the support assemblies 31 is arranged above the support assemblies 31. Two groups of butt joint clamping assemblies 4 are oppositely arranged on the bottom surface of the support frame 32. Two groups of moving butt joint assemblies 5 are oppositely arranged on the bottom surface of the support frame 32, and the moving butt joint assemblies 5 are located between the butt joint clamping assemblies 4 and the support assemblies 31.

[0035] Further, the auxiliary temporary components 2 include a support support 21 in the shape of a Chinese character, and a lifting unit 22 cooperating with the support support is arranged on the support support 21. A clamping sliding unit 23 cooperating with the pipelines 1 is arranged at the bottom end of the support support. The pipelines 1 are provided with clamping units 24 cooperating with the clamping sliding units 23.

[0036] Further, the support support 21 comprises a support plate 211 arranged horizontally, and both ends of the support plate 211 are provided with support legs 212, the support legs 212 are provided with fixed columns 213 matched with the support legs 212, the bottom surface of the fixed column 213 is provided with a tapered head fixing element matched with the ground, and the fixed column 213 is provided with a fastening screw matched with the support leg 212.

[0037] Further, the fixed column 213 is provided with a fastening unit 25 matched with the ground, the fastening unit 25 comprises a plurality of first stable circular grooves arranged at the end of the fixed column 213, a plurality of second stable circular grooves are arranged at the bottom end of the fixed column 213, a first stable rotating ring 251 is arranged in the first stable circular groove, and a first connecting element 253 is arranged on the first stable rotating ring 251, a second stable rotating ring 252 is arranged in the second stable circular groove, and a second connecting element 254 is arranged on the second stable rotating ring 252, and the first connecting element 253 is connected with the upper end of the stable conical frame 255, and the bottom end of the stable conical frame is connected with the second connecting element 254.

[0038] Preferably, the top end of the stable conical frame 255 is provided with a first connecting tenon connected with the first connecting element 253, the bottom end of the stable conical frame 255 is provided with a second connecting tenon connected with the second connecting element 254, and the first connecting tenon, the second connecting tenon and the stable conical frame 255 are detachably connected.

[0039] Further, the lifting unit 22 comprises two fixed seats 221 arranged oppositely on the support plate 211, and the fixed seat 221 is provided with a jacking hydraulic cylinder 222, the moving ends of the two jacking hydraulic cylinders 222 are connected with the same lifting plate 223, and the center of the lifting plate 223 is provided with a fastening seat 224, and the fastening seat 224 is provided with a fastening groove matched with the support support, and the fastening seat 224 is provided with a fastening screw matched with the support support.

[0040] Further, the lifting unit 22 comprises an assembly frame arranged on the support plate 211, and the assembly frame is provided with a driving motor 422, and the driving motor 422 is provided with a turbine, and the support support is provided with a rack matched with the turbine.

[0041] Further, the clamping unit 24 comprises two oppositely arranged half-circle clamping pieces 241, one of which is provided with a plurality of balls on the inner circle, and the other is provided with an arc-shaped sliding groove 242 matched with the clamping sliding unit 23, and the axis of the arc-shaped sliding groove 242 is collinear with the axis of the half-circle clamping piece 241;

[0042] The clamping sliding unit 23 comprises an arc-shaped clamping block 231 arranged on the support bracket, and the arc-shaped clamping block 231 is provided with an arc-shaped clamping groove 232 matched with the half-circle clamping piece 241, and the arc-shaped clamping block 231 is provided with a plurality of fastening arcs 233 matched with the arc-shaped sliding groove 242; the fastening arc 233 comprises a fastening block matched with the arc-shaped sliding groove 242, and the fastening block is provided with a fastening screw rod penetrating through the arc-shaped clamping block 231.

[0043] Further, the support bracket 21 is provided with a butt joint protrusion matched with the support frame 32, the support frame 32 is provided with a butt joint groove matched with the butt joint protrusion, and the support frame 32 is provided with a crossbar at the middle, and the bottom end of the crossbar is provided with a guide frame matched with the butt joint clamping assembly 4.

[0044] Further, the butt joint clamping assembly 4 comprises a lifting frame arranged on the support frame 32, and the support frame 32 is provided with a height determining unit 41 matched with the lifting frame, and the bottom end of the lifting frame is provided with a rotating unit 42, and the pipe 1 is provided with a stable clamping piece 43 matched with the rotating unit 42.

[0045] The stable clamping piece 43 comprises a first clamping half-circle piece 431, a second clamping half-circle piece 432 oppositely arranged with the first clamping half-circle piece 431, the first clamping half-circle piece 431 is provided with a ball, the second clamping half-circle piece 432 is provided with a rotating rack 433 matched with the rotating unit 42, and the second clamping half-circle piece 432 is provided with a limiting hole slot penetrating through the second clamping half-circle piece 432.

[0046] The rotating unit 42 comprises an arc-shaped rotating block 421 arranged at the bottom end of the lifting frame, and the arc-shaped rotating block 421 is provided with a rotating circular groove matched with the second clamping half-circle piece 432, and the rotating circular groove is provided with a driving cavity, and the driving cavity is provided with a driving gear matched with the rotating rack 433, and the bottom end of the lifting frame is provided with a motor 422 matched with the driving gear, and the arc-shaped rotating block 421 is provided with a limiting screw hole matched with the limiting hole slot, and the limiting screw hole is provided with a limiting screw rod matched with the second clamping half-circle piece 432.

[0047] Further, the height determining unit 41 is consistent with the structure of the lifting unit 22 in the auxiliary temporary assembly 2 mentioned above.

[0048] Further, the height determining unit 41 comprises a fixed frame arranged at the bottom end of the support frame 32, and the lifting frame is located in the fixed frame, and the lifting frame is in sliding fit with the support frame 32, and the lifting frame penetrates through the guide frame, and the guide frame is located at the bottom end of the fixed frame, and a hydraulic rod is arranged in the fixed frame, and the moving end of the hydraulic rod is detachably connected with the lifting frame.

[0049] Further, the mobile docking assembly 5 comprises a fixed base 51 arranged at the bottom end of the support frame 32, and a mobile groove 52 parallel to the axis of the pipeline 1 is formed in the fixed base 51, and a mobile seat 53 is arranged in the mobile groove 52, and a mobile lead screw cooperating with the mobile seat 53 is arranged in the mobile groove 52.

[0050] A plurality of hydraulic cylinders 54 are vertically arranged on the mobile seat 53, and the moving ends of the plurality of hydraulic cylinders 54 are commonly connected to a first clamping skeleton 55, and the first clamping skeleton 55 is oppositely provided with a second clamping skeleton 56, and the first clamping skeleton 55 and the second clamping skeleton 56 are provided with fastening screws cooperating with the pipeline 1.

[0051] Further, the first clamping skeleton 55 comprises a plurality of clamping semicircles uniformly arranged along the axial direction of the pipeline 1, and the two ends of the opening of the plurality of clamping semicircles are commonly connected to a same cooperating plate, respectively, and the structure of the second clamping skeleton 56 is consistent with that of the first clamping skeleton 55,

[0052] Preferably, a tenon groove is formed in the cooperating plate of the first clamping skeleton 55, and a cooperating plate is arranged on the cooperating plate of the second clamping skeleton 56.

[0053] Further, the mobile docking assembly 5 comprises a clamping skeleton connected with the pipeline 1, and a telescopic support is arranged at both sides of the clamping skeleton, and a lifting leg is arranged at the end of the telescopic support, and a universal wheel in contact with the ground is arranged on the lifting leg.

[0054] In specific use, first, the temporary butt joint mechanism 3 is laid, according to the specific situation of the butt joint of the pipeline 1, two support assemblies 31 are respectively installed at appropriate distances, then, the whole support frame 32 is placed on the support assembly 31, according to the need, the auxiliary lifting unit is selectively installed, according to the weight, length and other parameters of the pipeline 1, after the temporary butt joint mechanism 3 is used, the auxiliary temporary assembly 2 is selectively used, generally, when the pipeline 1 is too long, the diameter of the pipeline 1 is too large, and the mass of the pipeline 1 is too heavy, the auxiliary temporary assembly 2 is generally needed.

[0055] When the pipeline 1 is butt jointed and installed, the auxiliary lifting unit is used to lift the pipeline 1 to a certain height, then the clamping unit 24 and the rotating unit 42 are used to clamp the pipeline 1, then the lifting unit 22 and other mechanisms are used to make the pipeline 1 be placed in the air, then the moving butt joint assembly 5 is installed on the pipeline 1, until the two ends of the pipeline 1 are at the same height, then the moving butt joint assembly 5 is started, so that the two pipelines 1 to be butt jointed are butt jointed, until the pipeline 1 openings of the two pipelines 1 are oppositely arranged, then welding work is carried out, when the upper half part is welded, the pipeline 1 is rotated by the rotating unit 42, and then the lower half part is welded.

[0056] In the clamping and fixing process, the arc-shaped sliding groove is arranged in the clamping unit 24, the semicircular clamping piece 241 is adjusted to vertical butt joint, when further lifting is needed, the vertical butt joint is changed to horizontal butt joint, and the fastening screw is used to limit it. Similarly, in the butt joint clamping assembly 4, the rotating rack 433 is rotated to the end of the stroke by the rotating unit 42, so as to facilitate the butt joint work of the first semicircular clamping piece 241.

[0057] The technical features not described in the application can be realized by or using the prior art, which will not be repeated here. Of course, the above description is not a limitation of the application, and the application is not limited to the above examples. Changes, modifications, additions or replacements made by ordinary skilled in the art within the scope of the application should also be within the protection scope of the application.

Claims

1. A temporary support system for butt joint installation of municipal sewage pipelines, comprising a temporary butt joint mechanism (3) arranged on the ground and located at the butt joint of two pipeline sections (1), characterized in that: The temporary docking mechanism (3) is provided with auxiliary temporary components (2) for lifting the pipeline (1) at both ends, and the auxiliary temporary components (2) cooperate with the temporary docking mechanism (3); The temporary docking mechanism (3) includes two groups of support components (31) consistent with the auxiliary temporary components (2), and the two groups of support components (31) are oppositely arranged, a support frame (32) is arranged above the support components (31) and cooperates with the support components (31), two groups of docking clamping components (4) are oppositely arranged on the bottom surface of the support frame (32), and two groups of mobile docking components (5) are oppositely arranged on the bottom surface of the support frame (32), and the mobile docking components (5) are located between the docking clamping components (4) and the support components (31); The auxiliary temporary components (2) include a support bracket (21) in the shape of a Chinese character, and a lifting unit (22) is arranged on the support bracket (21) and cooperates with the support bracket, and a clamping sliding unit (23) is arranged at the bottom end of the support bracket (21) and is connected with the pipeline (1), and a clamping unit (24) is arranged on the pipeline (1) and cooperates with the clamping sliding unit (23); The docking clamping component (4) includes a lifting frame arranged on the support frame (32), and the support frame (32) is provided with a height determining unit (41) cooperating with the lifting frame, a rotating unit (42) is arranged at the bottom end of the lifting frame, and a stable clamping piece (43) is arranged on the pipeline (1) and cooperates with the rotating unit (42); The stable clamping piece (43) includes a first clamping half-circular piece (431), a second clamping half-circular piece (432) oppositely arranged with the first clamping half-circular piece (431), a plurality of rolling balls arranged on the first clamping half-circular piece (431), a rotating rack (433) arranged on the second clamping half-circular piece (432) and cooperating with the rotating unit (42), and a limiting hole slot penetrating through the second clamping half-circular piece (432); The rotating unit (42) includes an arc-shaped rotating block (421) arranged at the bottom end of the lifting frame, and the arc-shaped rotating block (421) is provided with a rotating circular groove cooperating with the second clamping half-circular piece (432), the rotating circular groove is provided with a driving cavity, a driving gear cooperating with the rotating rack (433) is arranged in the driving cavity, a motor (422) cooperating with the driving gear is arranged at the bottom end of the lifting frame, and the arc-shaped rotating block (421) is provided with a limiting screw hole cooperating with the limiting hole slot, and a limiting screw rod cooperating with the second clamping half-circular piece (432) is arranged in the limiting screw hole.

2. A temporary support system for butt joining of municipal sewer pipes according to claim 1, characterized in that: The support support (21) comprises a horizontally arranged support plate (211), and both ends of the support plate (211) are provided with support legs (212), the support legs (212) are provided with fixed columns (213) matched with the support legs (212), the bottom surface of the fixed column (213) is provided with a conical head fixing element matched with the ground, and the fixed column (213) is provided with a fastening screw matched with the support leg (212).

3. A temporary support system for butt joining of municipal sewer pipes according to claim 2, characterized in that: The fixed column (213) is provided with a fastening unit (25) matched with the ground, the fastening unit (25) comprises a plurality of first stable circular grooves arranged at the end of the fixed column (213), a plurality of second stable circular grooves are arranged at the bottom end of the fixed column (213), a first stable rotating ring (251) is arranged in the first stable circular groove, a first connecting piece (253) is arranged on the first stable rotating ring (251), a second stable rotating ring (252) is arranged in the second stable circular groove, a second connecting piece (254) is arranged on the second stable rotating ring (252), and the first connecting piece (253) is connected with the upper end of the stable conical frame (255), and the bottom end of the stable conical frame is connected with the second connecting piece (254).

4. A temporary support system for butt joining of municipal sewer pipes according to claim 2, characterized in that: The lifting unit (22) comprises two fixed seats (221) oppositely arranged on the support plate (211), and the fixed seat (221) is provided with a jacking hydraulic cylinder (222), the moving ends of two jacking hydraulic cylinders (222) are connected with the same lifting plate (223), and the lifting plate (223) is provided with a fastening seat (224) at the center, the fastening seat (224) is provided with a fastening groove matched with the support support, and the fastening seat (224) is provided with a fastening screw matched with the support support.

5. A temporary support system for butt joining of municipal sewer pipes as claimed in claim 1 wherein: The clamping unit (24) comprises two oppositely arranged semicircular clamping pieces (241), one of the semicircular clamping pieces (241) is provided with a plurality of balls, and the other semicircular clamping piece (241) is provided with an arc-shaped sliding groove (242) matched with the clamping sliding unit (23), and the axis of the arc-shaped sliding groove (242) is collinear with the axis of the semicircular clamping piece (241); The clamping sliding unit (23) comprises an arc-shaped clamping block (231) arranged on the support support, and the arc-shaped clamping block (231) is provided with an arc-shaped clamping groove (232) matched with the semicircular clamping piece (241), and the arc-shaped clamping block (231) is provided with a plurality of fastening arcs (233) matched with the arc-shaped sliding groove (242); the fastening arc (233) comprises a fastening block matched with the arc-shaped sliding groove (242), and the fastening block is provided with a fastening screw penetrating through the arc-shaped clamping block (231).

6. A temporary support system for butt joining of municipal sewer pipes as claimed in claim 1 wherein: The support support (21) is provided with an interface protrusion matched with the support frame (32), the support frame (32) is provided with an interface groove matched with the interface protrusion, a cross bar is arranged at the middle of the support frame (32), and the bottom end of the cross bar is provided with a guide frame matched with the interface clamping assembly (4).

7. A temporary support system for butt joining of municipal sewer pipes as claimed in claim 1 wherein: The mobile interface assembly (5) comprises a fixed base (51) arranged at the bottom end of the support frame (32), and the fixed base (51) is provided with a mobile groove (52) parallel to the axis of the pipeline (1), the mobile groove (52) is provided with a mobile seat (53), and the mobile groove (52) is provided with a mobile lead screw matched with the mobile seat (53); A plurality of hydraulic cylinders (54) are vertically arranged on the mobile seat (53), and the moving ends of the plurality of hydraulic cylinders (54) are connected to a same first clamping framework (55), the first clamping framework (55) is relatively provided with a second clamping framework (56), and the first clamping framework (55) and the second clamping framework (56) are provided with fastening screws matched with the pipeline (1).

8. A temporary support system for butt joining of municipal sewer pipes according to claim 1, characterized in that: The support frame (32) is provided with an auxiliary lifting unit matched with the interface clamping assembly (4), the auxiliary lifting unit comprises an electric winch arranged on the support frame (32), the electric winch is provided with a halyard, and one end of the halyard is provided with a hook.

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