CN111350879A

CN111350879A - Construction process for connecting and fixing water supply and drainage pipes in building construction

Info

Publication number: CN111350879A
Application number: CN202010207393.9A
Authority: CN
Inventors: 陈一芳; 李海波
Original assignee: 陈一芳
Current assignee: Rongtai Construction Group Co.,Ltd.
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-06-30
Anticipated expiration: 2040-03-23
Also published as: CN111350879B

Abstract

The invention relates to a construction process for connecting and fixing water supply and drainage pipes in building construction, which is mainly completed by matching a water supply and drainage pipe connecting and fixing bracket in building construction installation engineering, and specifically comprises the following steps: s1, construction of installation positions: excavating the construction space required by the required pipeline in a mode of matching the existing excavator with a worker; s2, placing the pipeline: the prepared pipelines are transversely and uniformly arranged in parallel in a construction space; s3, mounting a pipeline: the adjacent two pipelines are fixedly connected through the water supply and drainage pipe connecting and fixing bracket of the building construction installation project; the auxiliary clamping device can adapt to the installation of pipelines with different intervals by rotating the tightening device or the auxiliary clamping device, and the range of the auxiliary clamping device can be changed by adjusting the position of the movable plate on the auxiliary clamping device.

Description

Construction process for connecting and fixing water supply and drainage pipes in building construction

Technical Field

The invention relates to the technical field of drainage pipe installation, in particular to a construction process for connecting and fixing a water supply and drainage pipe in building construction.

Background

The water supply and drainage system is a general name for providing water and wastewater drainage facilities for life, production, municipal administration and prevention of people, is an essential important component of any building, and in order to make the pipeline arrangement clear and reasonable, the arrangement structure of the water supply pipeline is mostly in a parallel and spatial mode, on one hand, the installation and maintenance personnel can see the arrangement clearly, and on the other hand, the spatial arrangement also reduces the bearing weight of the wall.

However, the prior water supply and drainage pipe connecting and fixing bracket has the following problems: for the parallel pipeline installation, a hoop is mostly arranged on each pipeline for fixation, no mutual constraint force exists between the pipelines, holes are punched at the side of each pipeline for installation, or a simple linear fixing mechanism is adopted for fixing the two ends of the hoop on the mechanism; for the pipelines arranged in space, the existing linear fixing mechanism cannot simultaneously fix the pipe fittings which are not in the same straight line, so that the pipelines in different arrangement modes need different fixing pieces to be fixed; thirdly, after the pipeline is fixed by adopting a hoop or other screwing modes, the disassembly and the assembly are troublesome.

Therefore, the construction process for connecting and fixing the water supply and drainage pipes in building construction is provided.

Disclosure of Invention

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a construction process for connecting and fixing water supply and drainage pipes in building construction mainly utilizes a fixing support for connecting and fixing water supply and drainage pipes in building construction installation engineering, and specifically comprises the following steps:

s1, construction of installation positions: excavating the construction space required by the required pipeline in a mode of matching the existing excavator with a worker;

s2, placing the pipeline: the prepared pipelines are transversely and uniformly arranged in parallel in a construction space;

s3, mounting a pipeline: the adjacent two pipelines are fixedly connected through the water supply and drainage pipe connecting and fixing bracket of the building construction installation project;

the water supply and drainage pipe connecting and fixing support used in the steps of S1-S3 for the building construction installation project comprises a fixing piece arranged between two groups of pipelines, wherein a circular ring is fixedly sleeved on each pipeline, a circular hole is formed in the top of each circular ring, each fixing piece comprises a cylinder and a strip-shaped groove formed in the outer wall of each cylinder, each strip-shaped groove does not extend to the bottom of each cylinder, an embedded part is clamped in each strip-shaped groove, and the top of each cylinder is screwed with a sealing cover used for locking the embedded part;

the embedded part is rotatably provided with a tightening device, the tightening device comprises a rotating shaft and a cross rod hinged to the bottom of the rotating shaft, a first through hole is formed in the side wall of the top end of the rotating shaft, a first pulley is fixedly mounted in the first through hole, a second through hole is formed in the top of the tail end of the cross rod, a second pulley is fixedly mounted in the second through hole, the tightening device further comprises a pull rope which sequentially bypasses the second pulley and the first pulley, a curved surface hole is formed in the middle of the rotating shaft, a tightening piece is screwed to the outer side of the rotating shaft, and the tail end of the pull rope penetrates through the curved surface hole to be fixed and wound on the;

the other end of the pull rope is connected with a supporting device, the supporting device comprises a pull rod and a supporting piece hinged to the bottom end of the pull rod, a first connecting rod is hinged to the middle of the supporting piece, the other end of the first connecting rod is hinged to the middle of the pull rod, an extension spring is connected to the middle of the first connecting rod, and the other end of the extension spring is connected with the outer wall of the pull rod; a plurality of groups of convex parts are symmetrically arranged on the outer wall of the pull rod, the convex parts are linearly arranged along the length direction of the pull rod, and an engagement groove is formed between two adjacent groups of convex parts;

the inner side wall of the round hole is provided with symmetrically distributed sliding grooves, meshing parts are arranged in the sliding grooves in a sliding mode, the meshing parts are connected with the inner wall of the sliding grooves through compression springs, each meshing part is formed by hinging a rectangular block and a pawl through a torsion spring, and the pawl is meshed with the corresponding meshing groove;

the utility model discloses a fixing piece, including fixing the terminal both branches of T type pole, the terminal both ends of T type pole are provided with the cylinder, the semicircular groove that slides the butt joint with the cylinder is seted up to the outer wall of end plate, and the semicircular groove does not extend to the top of drum.

Preferably, the gomphosis portion comprises connecting plate and integrated into one piece at the end plate at connecting plate both ends, and the length of gomphosis portion is less than the bar recess, the axial trough has been seted up on the opposite face of two sets of end plates, and the both ends of pivot are rotated and are installed in the axial trough.

Preferably, the top end of the pull rod is provided with a through hole, the pull rope penetrates through the through hole and is fixedly connected with the pull rod, the support pieces are provided with a plurality of groups, and the pull rod is uniformly distributed in an annular shape on the periphery of the pull rod.

Preferably, the supporting member comprises a first connecting rod and a supporting end sleeved at the tail end of the first connecting rod, and the two side surfaces of the supporting end are respectively provided with a wedge-shaped bulge and an arc-shaped bulge.

Preferably, the tail end of the first connecting rod is convex, the cross section of the convex shape is a trapezoid with a narrow upper part and a wide lower part, a groove matched with the tail end of the first connecting rod is formed in the supporting end, and the contact surface of the first connecting rod and the supporting end is a frosting layer.

Preferably, a waist-shaped hole is formed in the top of the sliding groove, the waist-shaped hole extends along the moving direction of the engaging portion, a moving rod is connected to the top of the engaging portion, and the moving rod penetrates through the waist-shaped hole and leads to the outside.

Preferably, still the symmetry is provided with the auxiliary clamping device who is used for fixed pipeline on the T type pole, and auxiliary clamping device includes two sets of articulated sheets and fixes the movable plate between two sets of sheets, the draw-in groove of multiunit mutual butt joint block is all seted up at the end of sheet and the both ends of movable plate, the lateral wall fixedly connected with auxiliary rod of sheet, the other end and the articulated fixed of T type pole of auxiliary rod.

Advantageous effects

1. The parallel pipeline fixing device has the advantages that the tightening device and the supporting device on the periphery of the cylinder are matched to fix the parallel pipelines, the fixing piece and the connecting support are matched to fix the spatial pipelines, meanwhile, the auxiliary clamping device on the connecting support can achieve secondary fixing of the pipelines, one mechanism is adopted to complete fixing in different forms, and the functionality is strong;

2. the pipeline installation at different intervals can be adapted by rotating the tightening device or the auxiliary clamping device, and the range of the auxiliary clamping device can be changed by adjusting the position of the movable plate on the auxiliary clamping device;

3. by tightening or loosening the pull rope, the supporting device moves upwards or downwards so as to be opened or retracted, and the fixing piece and the pipeline are convenient to mount and dismount.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a process flow diagram of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a perspective view of the fastener of the present invention;

FIG. 4 is an enlarged schematic view of area A of FIG. 2 in accordance with the present invention;

FIG. 5 is a perspective view of the fitting part of the present invention;

FIG. 6 is an enlarged schematic view of area B of FIG. 2 in accordance with the present invention;

FIG. 7 is an enlarged schematic view of region C of FIG. 2 in accordance with the present invention;

FIG. 8 is a schematic structural view of an engaging portion in the present invention;

FIG. 9 is a partial schematic view of a support member of the present invention;

FIG. 10 is a schematic view of the support device of the present invention in an open position;

FIG. 11 is a schematic structural view of another operational state of the present invention;

FIG. 12 is a schematic view of the construction of the connecting bracket of the present invention.

In the figure: 10. a pipeline; 11. a circular ring; 12. a circular hole; 13. a sliding groove; 14. an engaging portion; 141. a rectangular block; 142. a pawl; 15. a compression spring; 16. a kidney-shaped hole; 17. a travel bar; 20. a fixing member; 21. a cylinder; 22. a strip-shaped groove; 23. a semicircular groove; 24. sealing the cover; 30. a fitting portion; 31. an end plate; 32. a connecting plate; 33. a shaft groove; 40. a tightening device; 41. a rotating shaft; 411. a first through hole; 412. a first pulley; 413. a curved surface hole; 414. a tightener; 42. a cross bar; 421. a second through hole; 422. a second pulley; 43. pulling a rope; 50. a support device; 51. a pull rod; 52. a support member; 521. a first link; 522. a support end; 523. a wedge-shaped protrusion; 524. an arc-shaped bulge; 53. a second link; 54. an extension spring; 55. a boss portion; 60. connecting a bracket; 61. a T-shaped rod; 62. a strut; 63. a cylinder; 70. an auxiliary clamping device; 71. a thin plate; 72. moving the plate; 73. a card slot; 74. an auxiliary lever.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, as defined and covered by the claims, and in particular as shown in fig. 1-12.

Example 1:

a construction process for connecting and fixing water supply and drainage pipes in building construction mainly utilizes a fixing support for connecting and fixing water supply and drainage pipes in building construction installation engineering, and specifically comprises the following steps:

s1, construction of installation positions: excavating the construction space needed by the needed pipeline 10 in a mode of matching the existing excavator with a worker;

s2, placing the pipeline: the prepared pipelines 10 are transversely and uniformly arranged in parallel in a construction space;

s3, mounting a pipeline: the adjacent two pipelines 10 are fixedly connected through the water supply and drainage pipe connecting and fixing bracket of the building construction installation project;

the water supply and drainage pipe connecting and fixing bracket used in the steps S1-S3 for the building construction installation project comprises fixing pieces 20 arranged between two groups of pipelines 10, wherein the pipelines 10 are fixedly sleeved with a ring 11, each fixing piece 20 comprises a cylinder 21 and strip-shaped grooves 22 arranged on the outer wall of the cylinder 21, the strip-shaped grooves 22 are provided with a plurality of groups and are uniformly and annularly distributed on the periphery of the cylinder 21, and the strip-shaped grooves 22 extend along the length direction of the cylinder 21 but do not extend to the bottom of the cylinder 21;

the strip-shaped groove 22 is internally clamped with an embedded part 30, the embedded part 30 is composed of a connecting plate 32 and end plates 31 integrally formed at two ends of the connecting plate 32, the length of the embedded part 30 is smaller than that of the strip-shaped groove 22, the top of the cylinder 21 is screwed with a sealing cover 24 (refer to fig. 2), the sealing cover 24 is tightly contacted with the top of the embedded part 30, and the opposite surfaces of the two groups of end plates 31 are provided with shaft grooves 33; a tightening device 40 is arranged on the embedding part 30, the tightening device 40 comprises a rotating shaft 41 rotatably arranged between the two sets of shaft grooves 33, a first through hole 411 is formed in the side wall of the top end of the rotating shaft 41, and a first pulley 412 is fixedly arranged in the first through hole 411;

the bottom of the rotating shaft 41 is hinged with a cross rod 42, the top of the tail end of the cross rod 42 is provided with a second through hole 421, a second pulley 422 is fixedly installed in the second through hole 421, the tightening device 40 further comprises a pull rope 43 which sequentially winds around the second pulley 422 and the first pulley 412, the tail end of the pull rope 43 extends to a gap between the rotating shaft 41 and the embedding part 30 after being redirected by the second pulley 422 and the first pulley 412, the middle of the rotating shaft 41 is provided with a curved surface hole 413, the tail end of the pull rope 43 passes through the curved surface hole 413 and then leads to the outside, the top surface of the curved surface hole 413 is arc-shaped, friction between the pull rope 43 and the curved surface hole 413 is relieved, the outer side of the rotating shaft 41 is screwed with a tightening piece 414, the tightening piece 414 consists of a threaded rod and a limiting plate connected to the tail end of the threaded rod, the tail end of the pull;

the other end of the pull rope 43 is connected with a supporting device 50, the supporting device 50 comprises a pull rod 51 and supporting pieces 52 hinged to the bottom end of the pull rod 51, the top end of the pull rod 51 is provided with a through hole, the pull rope 43 penetrates through the through hole and is fixedly connected with the pull rod 51, the supporting pieces 52 are provided with a plurality of groups, the periphery of the pull rod 51 is uniformly distributed in an annular shape, the middle of each supporting piece 52 is hinged with a second connecting rod 53, the other end of each second connecting rod 53 is hinged with the middle of the pull rod 51, the middle of each second connecting rod 53 is connected with an extension spring 54, and the other end;

a plurality of groups of circular holes 12 are formed in the circular ring 11, sliding grooves 13 which are symmetrically distributed are formed in the inner side wall of each circular hole 12, meshing parts 14 are arranged in the sliding grooves 13 in a sliding mode, the meshing parts 14 are connected with the inner walls of the sliding grooves 13 through compression springs 15, waist-shaped holes 16 are formed in the top of the sliding grooves 13, the waist-shaped holes 16 extend along the moving direction of the meshing parts 14, moving rods 17 are connected to the top of the meshing parts 14, and the moving rods 17 penetrate through the waist-shaped holes 16 and lead to the outside;

the engaging part 14 is formed by hinging a rectangular block 141 and a pawl 142 through a torsion spring, the arrangement of the torsion spring limits the pawl 142 from rotating downwards, a plurality of groups of convex parts 55 are symmetrically arranged on the outer wall of the pull rod 51, the convex parts 55 are linearly arranged along the length direction of the pull rod 51, and an engaging groove engaged with the pawl 142 is formed between two adjacent groups of convex parts 55;

when the pipeline 10 is fixed, the two sets of moving rods 17 are manually spread to drive the meshing part 14 to contract into the sliding groove 13, the pull rope 43 is loosened to enable the supporting device 50 to completely pass through the round hole 12 and pass downwards, then the pull rope 43 is tightened to enable the pull rod 51 to move upwards, the pushing force on the moving rod 17 is removed, the meshing part 14 pops outwards under the action of the elastic force of the compression spring 15, in the process of pulling the pull rod 51 upwards, the supporting piece 52 is in contact with the bottom of the ring 11, the supporting piece 52 is forced to spread due to the external force, the second connecting rod 53 rotates for a certain angle along with the second connecting rod 53, meanwhile, the extension spring 54 is stretched, the lug 55 touches the pawl 142 when moving upwards along with the pull rod 51, the pawl 142 turns upwards due to the pushing force of the lug 55, after the lug 55 passes through, the pawl 142 is meshed in the meshing groove between the two sets of lugs 55 under the left and right elasticity of the torsion spring, the reciprocating operation is carried out until the supporting piece 52 is expanded to the maximum (refer to fig. 10), the pull rod 51 cannot move upwards continuously, and the pawl 142 is clamped in a certain meshing groove to limit the downward movement of the pull rod 51;

the supporting piece 52 comprises a first connecting rod 521 and a supporting end 522 sleeved at the tail end of the first connecting rod 521, the tail end of the first connecting rod 521 is in a convex shape, the cross section of the convex shape is in a ladder shape with a narrow top and a wide bottom, a groove matched with the tail end of the first connecting rod 521 is formed in the supporting end 522, the contact surfaces of the first connecting rod 521 and the supporting end 522 are both frosted layers, a wedge-shaped bulge 523 and an arc-shaped bulge 524 are respectively installed on two side surfaces of the supporting end 522, when the supporting piece 52 is propped open, the tail end of the supporting piece 52 is in contact with the bottom of the circular ring 11, the arrangement of the wedge-shaped bulge 523 and the arc-shaped bulge 524 can increase the stress area, and meanwhile, for different types of contact;

example 2:

when a plurality of drainage pipes distributed in the space are fixed, the fixing part 20 can be used for installing a connecting bracket 60 on the outer wall, the connecting bracket 60 comprises a T-shaped rod 61 fixed on the wall and two support rods 62 integrally formed at the tail end of the T-shaped rod 61, and a cylinder 63 is vertically installed at the tail end of the T-shaped rod 61; the outer wall of the cylinder 21 is provided with two groups of semicircular grooves 23 (see fig. 3) extending along the length direction of the cylinder, the semicircular grooves 23 do not extend to the top end of the cylinder 21, and the opening width of each semicircular groove 23 is smaller than the diameter of the cylinder 63; when the T-shaped rod 61 is installed, the T-shaped rod 61 is fixed on a wall, the semicircular groove 23 is aligned with the two groups of cylinders 63 and then moves downwards until the top of the cylinder 63 is in contact with the top of the semicircular groove 23, and the two groups of cylinders 63 are arranged to limit the deflection of the fixing piece 20;

the T-shaped rod 61 is further symmetrically provided with auxiliary clamping devices 70 for fixing the pipeline 10, each auxiliary clamping device 70 comprises two groups of hinged thin plates 71 and a moving plate 72 fixed between the two groups of thin plates 71, clamping grooves 73 are formed in positions, far away from the hinged position, of the tops of the thin plates 71, the same clamping grooves 73 are formed in two ends of the bottom of the moving plate 72, the clamping grooves 73 are respectively provided with multiple groups, intervals of the two adjacent groups of clamping grooves 73 are the same, equilateral triangles with different side lengths are obtained after the clamping grooves 73 in the moving plate 72 are in butt joint and clamping with the clamping grooves 73 in the thin plates 71, the measuring range of the auxiliary clamping device 70 can be changed by adjusting the positions of the moving plate 72 for pipelines 10 with different diameters, an auxiliary rod 74 is fixedly connected to the outer;

the fixing method between the supporting device 50 and the ring 11 is the same as that of embodiment 1, and is not described herein again.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a construction water supply and drainage pipe connection fixed construction technology, its mainly utilized a construction installation engineering water supply and drainage pipe connection fixed bolster cooperation to accomplish, its characterized in that: the construction process for connecting and fixing the water supply and drainage pipes in building construction specifically comprises the following steps:

s1, construction of installation positions: excavating the construction space needed by the needed pipeline (10) in a way of matching the existing excavator with a worker;

s2, placing the pipeline: the prepared pipelines (10) are transversely and uniformly arranged in parallel in a construction space;

s3, mounting a pipeline: the adjacent two pipelines (10) are fixedly connected through a water supply and drainage pipe connecting and fixing bracket in the building construction installation project;

the connecting and fixing support for the water supply and drainage pipes in the building construction installation engineering used in the steps S1-S3 comprises a fixing piece (20) arranged between two groups of pipelines (10), a circular ring (11) is fixedly sleeved on each pipeline (10), a circular hole (12) is formed in the top of each circular ring (11), each fixing piece (20) comprises a cylinder (21) and a strip-shaped groove (22) formed in the outer wall of each cylinder (21), each strip-shaped groove (22) does not extend to the bottom of each cylinder (21), an embedding part (30) is clamped in each strip-shaped groove (22), and a sealing cover (24) used for locking the embedding part (30) is screwed on the top of each cylinder (21);

the embedded part (30) is rotatably provided with a tightening device (40), the tightening device (40) comprises a rotating shaft (41) and a cross rod (42) hinged to the bottom of the rotating shaft (41), a first through hole (411) is formed in the side wall of the top end of the rotating shaft (41), a first pulley (412) is fixedly installed in the first through hole (411), a second through hole (421) is formed in the top of the tail end of the cross rod (42), a second pulley (422) is fixedly installed in the second through hole (421), the tightening device (40) further comprises a pull rope (43) which sequentially bypasses the second pulley (422) and the first pulley (412), a curved surface hole (413) is formed in the middle of the rotating shaft (41), a tightening piece (414) is screwed to the outer side of the rotating shaft (41), and the tail end of the pull rope (43) penetrates through the curved surface hole (413) to be fixed and wound on the tightening piece (414;

the other end of the pull rope (43) is connected with a supporting device (50), the supporting device (50) comprises a pull rod (51) and a supporting piece (52) hinged to the bottom end of the pull rod (51), the middle of the supporting piece (52) is hinged to a first connecting rod (53), the other end of the first connecting rod (53) is hinged to the middle of the pull rod (51), the middle of the first connecting rod (53) is connected with an extension spring (54), and the other end of the extension spring (54) is connected with the outer wall of the pull rod (51); a plurality of groups of convex parts (55) are symmetrically arranged on the outer wall of the pull rod (51), the convex parts (55) are linearly arranged along the length direction of the pull rod (51), and an engagement groove is formed between two adjacent groups of convex parts (55);

the inner side wall of the round hole (12) is provided with symmetrically distributed sliding grooves (13), meshing parts (14) are arranged in the sliding grooves (13) in a sliding mode, the meshing parts (14) are connected with the inner wall of the sliding grooves (13) through compression springs (15), the meshing parts (14) are formed by hinging rectangular blocks (141) and pawls (142) through torsion springs, and the pawls (142) are meshed with the meshing grooves.

2. The construction process for connecting and fixing the water supply and drainage pipe in building construction according to claim 1, which is characterized in that: linking bridge (60) are installed to the outer wall of mounting (20), linking bridge (60) are including fixing T type pole (61) on the wall and two spinal branch poles (62) of integrated into one piece at T type pole (61) end, cylinder (63) are installed perpendicularly to the end of T type pole (61), semicircular groove (23) with cylinder (63) slip butt joint are seted up to the outer wall of end plate (31), and semicircular groove (23) do not extend to the top of drum (21).

3. The construction process for connecting and fixing the water supply and drainage pipe in building construction according to claim 1, which is characterized in that: gomphosis portion (30) comprise connecting plate (32) and integrated into one piece end plate (31) at connecting plate (32) both ends, and the length of gomphosis portion (30) is less than bar recess (22), shaft groove (33) have been seted up on the opposite face of two sets of end plates (31), and the both ends of pivot (41) are rotated and are installed in shaft groove (33).

4. The construction process for connecting and fixing the water supply and drainage pipe in building construction according to claim 1, which is characterized in that: the top end of the pull rod (51) is provided with a through hole, the pull rope (43) penetrates through the through hole and is fixedly connected with the pull rod (51), the support pieces (52) are provided with a plurality of groups, and the pull rod (51) is annularly and uniformly distributed on the periphery.

5. The construction process for connecting and fixing the water supply and drainage pipe in building construction according to claim 1, which is characterized in that: the support piece (52) comprises a first connecting rod (521) and a support end (522) sleeved at the tail end of the first connecting rod, and a wedge-shaped protrusion (523) and an arc-shaped protrusion (524) are respectively installed on two side surfaces of the support end (522).

6. The construction process for connecting and fixing the water supply and drainage pipe in building construction according to claim 5, wherein: the tail end of the first connecting rod (521) is in a protruding shape, the cross section of the protruding shape is in a trapezoidal shape with a narrow upper part and a wide lower part, a groove matched with the tail end of the first connecting rod (521) is formed in the supporting end (522), and the contact surface of the first connecting rod (521) and the supporting end (522) is a frosting layer.

7. The construction process for connecting and fixing the water supply and drainage pipe in building construction according to claim 1, which is characterized in that: waist type hole (16) have been seted up at the top of sliding tray (13), and waist type hole (16) extend along the moving direction of meshing portion (14), the top of meshing portion (14) is connected with carriage release lever (17), and carriage release lever (17) run through waist type hole (16) and lead to the outside.

8. The construction process for connecting and fixing the water supply and drainage pipe in building construction according to claim 1, which is characterized in that: the semicircular grooves (23) are provided with two groups, and the opening width of the semicircular grooves (23) is smaller than the diameter of the cylinder (63).

9. The construction process for connecting and fixing the water supply and drainage pipe in building construction according to claim 1, which is characterized in that: still the symmetry is provided with auxiliary clamping device (70) that are used for fixed pipeline (10) on T type pole (61), and auxiliary clamping device (70) are including two sets of articulated sheets (71) and fix moving plate (72) between two sets of sheets (71), draw-in groove (73) of multiunit mutual butt joint block are all seted up at the end of sheet (71) and the both ends of moving plate (72), lateral wall fixedly connected with auxiliary rod (74) of sheet (71), and the other end and the articulated fixed of T type pole (61) of auxiliary rod (74).