1. A municipal drainage pipeline construction method is characterized in that: the method comprises the steps of firstly, digging a ditch; laying a cushion layer and a leveling layer on the inner bottom surface of the ditch and then standing; inserting an expansion positioning assembly into the large port of the pipeline (1), and hoisting the large port of the pipeline (1) by the crane through the expansion positioning assembly to keep the large port in a vertical state suspended on the ground; step four, fixedly connecting the roller assemblies (10) on the pipeline (1) along the length direction of the pipeline (1) through guide members and locating the roller assemblies on the same straight line; placing the pipeline (1) into the ditch through a crane and an expansion positioning assembly, and contacting the pipeline with a leveling layer through a roller assembly (10); taking out the expansion positioning assembly in a manual mode, aligning the pipeline (1) in the manual mode and completing insertion after the sealing plate (8) is sleeved on the outer side of the pipeline (1), and positioning the roller assembly (10); pouring concrete in the ditch to serve as a cushion layer, wherein the height of the top surface of the cushion layer is larger than that of the roller assemblies (10), and then standing; step eight, attaching the sealing plate (8) to the large end of the pipeline (1); a channel is punched out of the outer side of the large end of the pipeline (1) through a pile driver, and the channel is communicated with an annular space formed between the inner side of the large end of the pipeline (1) and the inner side of the small end of the pipeline (1); step ten, inserting the concrete into the input end of the defoaming assembly to insert into the channel and the annular space to fill the concrete and remove the bubbles; step eleven, disconnecting the input end of the concrete leading-in defoaming component, and standing; step twelve, backfilling the trench.

2. The municipal drainage pipeline construction method of claim 1, wherein: roller assembly (10) are including sheet layer (4), fixed connection soft bed course (3) and a plurality of universal wheels (5) of fixed connection in sheet layer (4) bottom surface at sheet layer (4) top surface, roller assembly (10) are through power actuated setting device and cement nail fixed connection on the periphery wall of pipeline (1), the biggest bearing capacity of universal wheel (5) is 30000N.

3. The municipal drainage pipeline construction method according to claim 2, wherein: the guide piece comprises a long-strip-shaped connecting plate (6) and a limiting plate (7) which is fixedly connected to one end of the connecting plate and perpendicular to the connecting plate, a channel penetrating through the connecting plate is formed in the peripheral wall of the plate layer (4), and the connecting plate (6) is used for penetrating through the channel to serially connect the roller assemblies (10).

4. The municipal drainage pipeline construction method of claim 1, wherein: expansion locating component includes pivot (61), set up at pivot (61) both ends and revolve to opposite both ends screw thread (67), two nut seats (65) on both ends screw thread (67), a plurality of articulated seats (66) of annular array distribution on nut seat (65) and rotate connecting rod (62) of connection on articulated seat (66), both sides connecting rod (62) are articulated each other, and both sides the articulated department of connecting rod (62) articulates has elastic block (63) that set up towards the external world.

5. The municipal drainage pipeline construction method of claim 1, wherein: the large end of pipeline (1) sets up to flaring portion (2), closing plate (8) are the ring form, just the external diameter of the external diameter more than or equal to flaring portion (2) of closing plate (8), just closing plate (8) are equipped with gasket (9) towards flaring portion (2) one side and its interior snare, gasket (9) adopt soft material.

6. The municipal drainage pipeline construction method of claim 1, wherein: the concrete introducing and defoaming assembly comprises a plurality of hard pipe parts (12) and a hose part (11) communicated with the hard pipe parts (12), baffle plates (16) are fixedly connected in two ends of each hard pipe part (12), through grooves and accommodating grooves penetrating along the thickness direction of each baffle plate (16) are formed in each baffle plate, bearings (161) are fixedly connected in the accommodating grooves, connecting shafts (151) are fixedly connected to inner rings of the bearings (161), eccentric shafts (15) located in the hard pipe parts (12) are fixedly connected between the connecting shafts (151) at two sides, the distances from the edges of the eccentric shafts (15) to the rotating axes of the eccentric shafts are different, flexible shafts (14) located in the hose parts (11) are fixedly connected to the other ends of the connecting shafts (151), feeding pipes (13) are jointly arranged in the hard pipe parts (12) and the hose part (11), and the feeding pipes (13) penetrate through the through grooves, and be located hard tube portion (12) set up on pan feeding pipe (13) the periphery wall hole (131) rather than inside intercommunication, set up on the periphery wall of hard tube portion (12) through-hole (121) rather than inside intercommunication, the income flow of pan feeding pipe (13) is greater than the sum of the flow of a plurality of through-holes (121), and a plurality of the sum of the length of hard tube portion (12) and hose portion (11) is less than or equal to the girth of annular space.

7. The municipal drainage pipeline construction method according to claim 6, wherein: the feeding end of the feeding pipe (13) is detachably connected with a pump body communicated with the feeding pipe, and the flexible shaft (14) is detachably connected with a motor coaxially arranged with the flexible shaft and is positioned at the same side of the feeding end of the feeding pipe (13).

8. The municipal drainage pipeline construction method according to claim 6, wherein: the inner peripheral wall and the outer peripheral wall of the hose part (11) are coated with 618 epoxy resin coatings.

Background

Municipal drainage pipes refer to rainwater and sewage pipelines under municipal roads, namely commonly called 'sewer pipelines', and are generally called municipal drainage pipes in engineering.

And present municipal drainage pipe is mostly connected through concrete pipe, concrete pipe's one end is big port, the other end is the port, when adjacent concrete pipe connects, concrete pipe's port can insert in adjacent concrete pipe's the port, then seal work through sealing material, current compound sealing material is very easy because the problem that leaks takes place for ageing, thereby lead to the pipe connection not sealed, and simultaneously, when the pipe connection, because concrete pipe mainly places through excavator or loop wheel machine, the position of placing is not accurate, thereby make adjacent concrete pipe when pegging graft, inhomogeneous gap appears easily, thereby appear leaking the problem in follow-up sealed time.

Therefore, a new solution is needed to solve this problem.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a municipal drainage pipeline construction method which can facilitate people to install pipelines and has a good sealing effect.

The technical purpose of the invention is realized by the following technical scheme: a municipal drainage pipeline construction method comprises the steps of digging a ditch; laying a cushion layer and a leveling layer on the inner bottom surface of the ditch and then standing; inserting an expansion positioning assembly into the large port of the pipeline, and hoisting the large port of the pipeline by the crane through the expansion positioning assembly to keep the large port of the pipeline in a suspended vertical state with the ground; step four, fixedly connecting the roller assemblies to the pipeline along the length direction of the pipeline through a guide part and locating the roller assemblies on the same straight line; placing the pipeline into the ditch through the crane and the expansion positioning assembly, and contacting the pipeline with the leveling layer through the roller assembly; taking out the expansion positioning assembly in a manual mode, aligning the pipeline in a manual mode and completing insertion after a sealing plate is sleeved on the outer side of the pipeline, and positioning the roller assembly; pouring concrete in the ditch to serve as a cushion layer, wherein the height of the top surface of the cushion layer is larger than that of the roller assemblies, and then standing; step eight, attaching the sealing plate to the large end of the pipeline; a channel is punched out of the outer side of the large end of the pipeline through a pile driver, and the channel is communicated with an annular space formed between the inner side of the large end of the pipeline and the inner side of the small end of the pipeline; step ten, inserting the concrete into the input end of the defoaming assembly to insert into the channel and the annular space to fill the concrete and remove the bubbles; step eleven, disconnecting the input end of the concrete leading-in defoaming component, and standing; step twelve, backfilling the trench.

Through adopting above-mentioned technical scheme, when people need connect to the pipeline, can carry out position adjustment through artificial mode to the port of pipeline, make the pipeline can coaxial setting, appear inhomogeneous gap when avoiding it to connect, thereby strengthen pipeline and pipe connection's sealed effect through filling in the concrete, and can also be through the input detention that the leading-in defoaming subassembly of concrete makes the concrete solidify in the annular space, play the effect of reinforcing bar, thereby strengthen the structural strength of the junction of pipeline and pipeline, avoid its condition of taking place the fracture.

The invention is further configured to: the roller assembly includes sheet layer, the soft bed course of fixed connection at the sheet layer top surface and a plurality of universal wheels of fixed connection in the sheet layer bottom surface, the roller assembly passes through power actuated setting device and cement nail fixed connection on the periphery wall of pipeline, the biggest bearing capacity of universal wheel is 30000N.

The invention is further configured to: the guide piece comprises a long-strip-shaped connecting plate and a limiting plate which is fixedly connected to one end of the connecting plate and perpendicular to the connecting plate, a channel penetrating the connecting plate is formed in the peripheral wall of the plate layer, and the connecting plate is used for penetrating the channel to be connected with the roller assemblies in series.

The invention is further configured to: expansion locating component includes the pivot, set up at the pivot both ends and revolve to two end screw threads opposite, two nut seats, the annular array of threaded connection on the both ends screw thread on the nut seat a plurality of articulated seats and the connecting rod of rotation connection on articulated seat, both sides the connecting rod is articulated each other, and both sides articulated department of connecting rod has the elastic block that sets up towards the external world.

The invention is further configured to: the one end fixedly connected with connecting block of pivot, fixedly connected with handle on the connecting block, just the one end fixedly connected with rings of pivot are kept away from to the connecting block.

The invention is further configured to: the big end of pipeline sets up to the flaring portion, the closing plate is the ring form, just the external diameter of external diameter more than or equal to flaring portion of closing plate, just the closing plate is equipped with the gasket towards flaring portion one side and its endotheca, the gasket adopts soft material.

The invention is further configured to: the concrete leading-in and defoaming assembly comprises a plurality of hard pipe parts and a hose part communicated with the hard pipe parts, baffles are fixedly connected in two ends of each hard pipe part, through grooves and accommodating grooves penetrating along the thickness direction of the baffles are formed in the baffles, bearings are fixedly connected in the accommodating grooves, connecting shafts are fixedly connected to inner rings of the bearings, eccentric shafts located in the hard pipe parts are fixedly connected between the connecting shafts at two sides, the distance from the edge of each eccentric shaft to the rotating axis of the eccentric shaft is different, a flexible shaft located in the hose part is fixedly connected to the other end of each connecting shaft, feeding pipes are jointly arranged in the hard pipe parts and the hose parts, penetrate through grooves and are formed in the peripheral walls of the feeding pipes located in the hard pipe parts, holes communicated with the inner parts of the feeding pipes are formed in the peripheral walls of the hard pipe parts, through holes communicated with the inner parts of the hard pipe parts are formed in the peripheral walls of the hard pipe parts, and the inflow rate of the feeding pipes is greater than the sum of the flow rates of the through holes, the sum of the lengths of the hard tube parts and the soft tube parts is less than or equal to the perimeter of the annular space.

The invention is further configured to: the feeding end of the feeding pipe is detachably connected with a pump body communicated with the feeding pipe, and the flexible shaft is detachably connected with a motor coaxially arranged with the flexible shaft and is positioned at the same side of the feeding end of the feeding pipe.

The invention is further configured to: and 618 epoxy resin coatings are coated on the inner peripheral wall and the outer peripheral wall of the hose part.

In conclusion, the invention has the following beneficial effects:

when people need connect the pipeline, can carry out position adjustment to the port of pipeline through artificial mode, make the pipeline can coaxial setting, appear inhomogeneous gap when avoiding it to connect, thereby strengthen pipeline and pipe connection's sealed effect through filling in the concrete, and can also be through the input detention that the leading-in defoaming subassembly of concrete makes the concrete solidify in the annular space, play the effect of reinforcing bar, thereby strengthen the structural strength of the junction of pipeline and pipeline, avoid its condition of taking place the fracture.

Drawings

FIG. 1 is a first schematic structural view of a pipeline according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a second schematic structural view of the pipeline of the present invention;

FIG. 4 is an enlarged view at B in FIG. 3;

FIG. 5 is a schematic view of the expandable positioning member of the present invention;

FIG. 6 is an enlarged view at C of FIG. 5;

FIG. 7 is an enlarged view taken at D in FIG. 5;

FIG. 8 is a schematic structural view of the present invention during the splicing of pipes;

FIG. 9 is an enlarged view at E in FIG. 8;

FIG. 10 is a schematic view of the construction of the concrete introduction defoaming assembly according to the present invention;

FIG. 11 is a cross-sectional view of the concrete introduction defoaming assembly of the present invention;

fig. 12 is an enlarged view at F in fig. 11.

In the figure: 1. a pipeline; 2. a flared part; 3. a soft cushion layer; 4. a ply layer; 5. a universal wheel; 6. a connecting plate; 61. a rotating shaft; 62. a connecting rod; 63. an elastic block; 64. a handle; 65. a nut seat; 66. a hinged seat; 67. a thread; 68. connecting blocks; 69. a hoisting ring; 7. a limiting plate; 8. a sealing plate; 9. sealing the sheet; 10. a roller assembly; 11. a hose portion; 12. a hard tube portion; 121. a through hole; 13. a feeding pipe; 131. a hole; 14. a flexible shaft; 15. an eccentric shaft; 151. a connecting shaft; 16. a baffle plate; 161. and a bearing.

Detailed Description

The invention is described in detail below with reference to the figures and examples.

Example (b):

a construction method of a municipal drainage pipeline 1 is disclosed, as shown in figures 1-12,

the method comprises the following steps of firstly, excavating a ditch, and excavating in a digging machine and manual mode;

laying a cushion layer and a leveling layer on the inner bottom surface of the ditch, and then standing, wherein the cushion layer is a gravel layer, and the leveling layer is a cement layer;

step three, the large end of the pipeline 1 is set as an expanded part 2, an expansion positioning component is inserted into the large end of the pipeline 1, and the crane lifts the large end of the pipeline 1 through the expansion positioning component to keep the large end in a suspended vertical state with the ground, the expansion positioning component comprises a rotating shaft 61, two end threads 67 which are arranged at two ends of the rotating shaft 61 and have opposite rotating directions, two nut seats 65 with the threads 67 connected to the threads 67 at two ends, a plurality of hinged seats 66 which are distributed on the nut seats 65 in an annular array manner, and connecting rods 62 which are rotatably connected to the hinged seats 66, the connecting rods 62 at two sides are hinged with each other, the hinged parts of the connecting rods 62 at two sides are hinged with elastic blocks 63 which are arranged towards the outside, the elastic blocks 63 are made of rubber, one end of the rotating shaft 61 is fixedly connected with a connecting block 68, the connecting block 68 is fixedly connected with a handle 64, and one end of the connecting block 68 far away from the rotating shaft 61 is fixedly connected with a hanging ring 69, when people need to use the expansion positioning assembly to connect with the pipeline 1, the expansion positioning assembly is inserted into the pipeline 1, then the elastic piece is stepped by feet, the handle 64 is rotated, the rotating shaft 61 is rotated, the elastic block 63 is stepped under the guiding action of the thread 67 on the rotating shaft 61 and cannot rotate, so that the nut seats 65 on the two sides are displaced towards each other, the included angle between the connecting rods 62 on the two sides is reduced, the elastic block 63 is pushed to apply acting force on the inner wall of the pipeline 1, the friction force between the elastic block 63 and the inner wall of the pipeline 1 is increased, the dead weight of the pipeline 1 can be resisted, the pipeline 1 is prevented from being separated, and then people connect the crane with the hanging ring 69 again to vertically lift the pipeline 1 and suspend the pipeline 1 in the air;

step four, the roller assemblies 10 are fixedly connected to the pipeline 1 along the length direction of the pipeline 1 through guide members and are positioned on the same straight line, each roller assembly 10 comprises a plate layer 4, a soft cushion layer 3 fixedly connected to the top surface of the plate layer 4 and a plurality of universal wheels 5 fixedly connected to the bottom surface of the plate layer 4, each roller assembly 10 is fixedly connected to the peripheral wall of the pipeline 1 through a nail gun and cement nails, the maximum bearing capacity of each universal wheel 5 is 30000N, each guide member comprises a long-strip-shaped connecting plate 6 and a limiting plate 7 fixedly connected to one end of each long-strip-shaped connecting plate and perpendicular to each long-strip-shaped connecting plate, a channel for penetrating the long-strip-shaped connecting plates is formed in the peripheral wall of each plate layer 4, each connecting plate 6 is used for penetrating the channels to serially connect the roller assemblies 10, people penetrate the connecting plates 6 through the channels to serially connect the groups of roller assemblies 10, each limiting plate 7 is abutted against one end of the small end of the pipeline 1, and then the soft cushion layers 3 can be abutted against the peripheral wall of the pipeline 1, then people fix the roller assembly 10 on the pipeline 1 through a nail gun, and finally take down the guide piece;

placing the pipeline 1 into the ditch through a crane and an expansion positioning assembly, and contacting the pipeline with a leveling layer through a roller assembly 10;

taking out the expansion positioning assembly manually, sleeving a sealing plate 8 on the outer side of the pipeline 1, arranging the sealing plate 8 in a circular ring shape, wherein the outer diameter of the sealing plate 8 is larger than or equal to that of the flared part 2, sleeving a sealing sheet 9 on one side of the sealing plate 8 facing the flared part 2 and in the sealing plate, aligning and completing the insertion of the pipeline 1 by using a soft material such as a rubber material, and positioning the roller assembly 10;

pouring concrete in the ditch to serve as a cushion layer, wherein the height of the top surface of the cushion layer is larger than that of the roller assembly 10, and then standing;

step eight, the sealing plate 8 is attached to the large end of the pipeline 1 in a manual mode;

a channel is punched out of the outer side of the large end of the pipeline 1 through a pile driver, and the channel is communicated with an annular space formed between the inner side of the large end of the pipeline 1 and the inner side of the small end of the pipeline 1;

tenth, the work of filling and removing the bubbles of the concrete is performed by inserting the input end of the concrete introducing and defoaming assembly into the channel and the annular space, the concrete introducing and defoaming assembly comprises a plurality of hard pipe parts 12 and a hose part 11 communicated with the hard pipe parts 12, 618 epoxy resin coatings are coated on the inner peripheral wall and the outer peripheral wall of the hose part 11, baffle plates 16 are fixedly connected in two ends of the hard pipe parts 12, through grooves and accommodating grooves penetrating along the thickness direction of the baffle plates 16 are formed in the baffle plates 16, bearings 161 are fixedly connected in the accommodating grooves, connecting shafts 151 are fixedly connected to inner rings of the bearings 161, eccentric shafts 15 located in the hard pipe parts 12 are fixedly connected between the connecting shafts 151 on two sides, the distances from the edges of the eccentric shafts 15 to the rotating axes of the eccentric shafts are different, flexible shafts 14 located in the hose parts 11 are fixedly connected to the other ends of the connecting shafts 151, and feeding pipes 13 are jointly arranged in the hard pipe parts 12 and the hose parts 11, the feeding pipe 13 penetrates through the through groove, a hole 131 communicated with the interior of the feeding pipe 13 is formed in the peripheral wall of the feeding pipe 13 positioned in the hard pipe part 12, a through hole 121 communicated with the interior of the hard pipe part is formed in the peripheral wall of the hard pipe part 12, the inlet flow of the feeding pipe 13 is larger than the sum of the flows of the through holes 121, the sum of the lengths of the hard pipe part 12 and the hose part 11 is smaller than or equal to the circumference of an annular space, a pump body communicated with the feeding end of the feeding pipe 13 is detachably connected with the feeding end of the feeding pipe 13, a motor coaxially arranged with the flexible shaft 14 is detachably connected with the flexible shaft 14 on the same side as the feeding end of the feeding pipe 13, when people need to pour concrete and perform defoaming work, people only need to pump the stirred concrete slurry into the hose part 11 and the hard pipe part 12 through the pump body, the material is guided through the feeding pipe 13, and the concrete can enter the hard pipe part 12 through the hole 131 on the feeding pipe 13, and then enter the annular space through the through hole 121 on the hard tube part 12, meanwhile, the motor can drive the flexible shaft 14 to rotate after being started, the flexible shaft 14 can drive the connecting shaft 151, and then the eccentric shaft 15 can carry out high-frequency intermittent collision on the inner wall of the hard tube part 12, so that the eccentric shaft vibrates to take out air bubbles in the concrete in the annular space;

step eleven, disconnecting the input end of the concrete leading-in defoaming component, standing, and leading the disconnected concrete into the input end of the defoaming component, namely the hard pipe part 12 and the hose part 11 can play a role of reinforcing steel bars, so that the joint of the pipeline 1 and the pipeline 1 is reinforced, and the problem of breakage when the pipeline is stressed is avoided;

step twelve, backfilling the trench.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.