CN110242793B - Method for installing reinforced concrete pipeline - Google Patents

Method for installing reinforced concrete pipeline Download PDF

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Publication number
CN110242793B
CN110242793B CN201910340648.6A CN201910340648A CN110242793B CN 110242793 B CN110242793 B CN 110242793B CN 201910340648 A CN201910340648 A CN 201910340648A CN 110242793 B CN110242793 B CN 110242793B
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CN
China
Prior art keywords
reinforced concrete
concrete pipe
pipe
reinforced
wire rope
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CN201910340648.6A
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Chinese (zh)
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CN110242793A (en
Inventor
冯海荣
付春来
薛孟钰
杨杰
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Beijing Bixin Water Co ltd
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Beijing Bixin Water Co ltd
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Priority to CN201910340648.6A priority Critical patent/CN110242793B/en
Publication of CN110242793A publication Critical patent/CN110242793A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/02Sealings between relatively-stationary surfaces
    • F16J15/06Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/024Laying or reclaiming pipes on land, e.g. above the ground
    • F16L1/028Laying or reclaiming pipes on land, e.g. above the ground in the ground
    • F16L1/036Laying or reclaiming pipes on land, e.g. above the ground in the ground the pipes being composed of sections of short length
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/024Laying or reclaiming pipes on land, e.g. above the ground
    • F16L1/06Accessories therefor, e.g. anchors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/024Laying or reclaiming pipes on land, e.g. above the ground
    • F16L1/06Accessories therefor, e.g. anchors
    • F16L1/09Accessories therefor, e.g. anchors for bringing two tubular members closer to each other
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/024Laying or reclaiming pipes on land, e.g. above the ground
    • F16L1/06Accessories therefor, e.g. anchors
    • F16L1/11Accessories therefor, e.g. anchors for the detection or protection of pipes in the ground
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/0027Joints for pipes made of reinforced concrete
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/10Sleeveless joints between two pipes, one being introduced into the other

Abstract

The invention relates to a method for installing a reinforced concrete pipeline, which comprises the following steps: firstly, pipeline inspection; secondly, hoisting; thirdly, tube descending and tube stabilizing; fourthly, aligning: fifthly, installing an interface at the top: a fixed rod is fixed at one end of the first section of reinforced concrete pipe facing the flowing water direction and is abutted against the first section of reinforced concrete pipe; the steel sheet has been placed at the insertion end of the reinforced-bar concrete pipe of second festival, the steel sheet is provided with wire rope towards the one end of second festival reinforced-bar concrete pipe hole, wire rope passes the hole of second festival reinforced-bar concrete pipe and first festival reinforced-bar concrete pipe and exposes from the bell and spigot of first festival reinforced-bar concrete pipe, pass the one end of reinforced-bar concrete pipe through draw gear pulling wire rope, thereby make the steel sheet promote second festival reinforced-bar concrete pipe, make second festival reinforced-bar concrete pipe to the removal of first festival reinforced-bar concrete pipe direction, sixth step, the lock pipe. The invention can ensure that the butt joint interface is tightly connected when the pipeline is installed, thereby reducing the condition of water leakage at the joint.

Description

Method for installing reinforced concrete pipeline
Technical Field
The invention relates to the technical field of construction engineering, in particular to a method for installing a reinforced concrete pipeline
Background
At present, in hoisting construction for installing large pipelines, a movable crane is generally adopted for hoisting, the crane is flexible to move and strong in universality, operation and construction are far more convenient than methods of erecting a gantry crane and the like, and the use cost is relatively low.
The connection structure of the reinforced concrete pipes is shown in fig. 1, and comprises two adjacent reinforced concrete pipes 1 and a rubber ring 2 positioned between the adjacent reinforced concrete pipes 1. One end of the reinforced concrete pipe 1 is provided with a socket 11 integrally formed with the reinforced concrete pipe, and the inner diameter of the socket 11 is larger than the outer diameter of the reinforced concrete pipe 1, so that a step is formed between the socket 11 and the reinforced concrete pipe 1. The one end that reinforced concrete pipe 1 kept away from bell and spigot 11 is the insertion end of reinforced concrete pipe 1, and rubber ring 2 is located bell and spigot 11 inside and laminates mutually with the step surface that forms between bell and spigot 11 and the reinforced concrete pipe 1, and through the butt joint between the adjacent reinforced concrete pipe 1, adjacent reinforced concrete pipe 1 carries out extrusion deformation to rubber ring 2 to the junction between adjacent reinforced concrete pipe 1 seals, avoids it to appear leaking.
In the traditional pipeline butt joint method, firstly, a crane slowly lifts a pipeline to an excavated trench, then constructors slowly push the pipeline to the position above a butt joint position on two sides of the pipeline, finally, the crane slowly puts a jacking pipe to the position opposite to the pipeline, and finally, an excavator pushes the pipeline to enable the pipeline to be connected with the installed pipeline in an inserted mode. If the position is not aligned at one time, the crane still needs to be hoisted again, and the construction steps are repeated, so that the construction difficulty is high.
And the installation of the reinforced concrete pipe is constructed by adopting the traditional construction process, because an excavator is adopted to jack the pipeline, the stress of the concrete pipeline is uneven, the pipeline is easy to be damaged, the connection between the adjacent pipelines is not tight, and the rubber ring is not completely extruded between the adjacent reinforced concrete pipes, so that the water leakage and the unqualified water closing phenomenon of the interface between the adjacent pipelines are caused, the interface is not tight, and the cavity around the pipeline is caused by the scouring of water flow, so that the sinking is caused.
Disclosure of Invention
The invention aims to provide an installation method of a reinforced concrete pipeline, which can ensure that a butt joint interface is tightly connected when the pipeline is installed, thereby reducing the condition of water leakage at the joint.
The above object of the present invention is achieved by the following technical solutions:
a method for installing a reinforced concrete pipeline comprises the following steps:
the first step, pipeline inspection: inspecting the appearance and the size of the reinforced concrete pipe;
step two, hoisting: hoisting the reinforced concrete pipe by adopting a crane and a hanging strip, trying to hoist before formal hoisting, putting the pipeline on the ground when a problem is found, trying to hoist again after a fault is eliminated, and confirming that all normal pipelines can be formally hoisted after all faults are eliminated;
step three, tube descending and tube stabilizing: before the pipeline is installed, a working pit is dug at the interface, and the socket is in a suspended state when the reinforced concrete pipes are butted; pipe laying: when the pipe is lowered, the bell and spigot of the reinforced concrete pipe faces the flowing water direction; tube stabilization: adding multiple groups of wedge-shaped cushion blocks on two sides of the reinforced concrete pipe, and adjusting the center and the elevation of the flow surface of the reinforced concrete pipe section by section to ensure that the elevation and the plane position of the longitudinal section of the reinforced concrete pipe are accurate; when the tube is stabilized, the tube is firstly put into the tube for checking and aligning, the staggered joint phenomenon is reduced, the elevation deviation of the bottom of the tube is within +/-l 0mm, the center deviation is not more than l0mm, and the staggered joint of the bottom of the adjacent tube is not more than 3 mm;
fourthly, aligning: cleaning all impurities in the socket and spigot, scrubbing the impurities clean, and smearing a non-oily lubricant; cleaning the adhesive on the rubber ring, and uniformly coating a non-oily lubricant; finally, installing the rubber ring;
fifthly, installing an interface at the top: a fixed rod inserted into the bottom of the trench is fixed at one end of the first section of reinforced concrete pipe facing the flowing water direction, and the fixed rod is abutted against the end surface of the bell and spigot of the first section of reinforced concrete pipe; a steel plate attached to the end face of the insertion end of the reinforced concrete pipe is placed at the insertion end of the second section of reinforced concrete pipe, a steel wire rope is arranged at one end, facing the inner hole of the second section of reinforced concrete pipe, of the steel plate, the steel wire rope penetrates through the inner holes of the second section of reinforced concrete pipe and the first section of reinforced concrete pipe and is exposed out of a socket of the first section of reinforced concrete pipe, and the steel wire rope is pulled to penetrate through one end of the reinforced concrete pipe through a traction device, so that the steel plate pushes the second section of reinforced concrete pipe and the second section of reinforced concrete pipe moves towards the first section of reinforced concrete pipe;
sixth step, locking the tube: adopt the lock pipe subassembly with locking between the adjacent reinforced concrete pipe, the lock pipe subassembly includes basket of flowers bolt and is located the wire rope at basket of flowers bolt both ends, through the one end of keeping away from basket of flowers bolt with wire rope bind respectively and fix on adjacent reinforced concrete pipe.
By adopting the technical scheme, the steel plate is pulled to drive the second section of reinforced concrete pipe to move towards the first section of reinforced concrete pipe, so that the reinforced concrete pipe is uniformly stressed when moving, and the second section of reinforced concrete pipe is not easy to be stressed unevenly to cause deflection when the first section of reinforced concrete pipe and the second section of reinforced concrete pipe are spliced, so that the rubber ring can be clamped between the spliced reinforced concrete pipes, the rubber ring is uniformly deformed, and the sealing performance between the adjacent reinforced concrete pipes is ensured; and the second section of reinforced concrete pipe is stressed uniformly when pushed, so that the reinforced concrete pipe is not easy to be damaged due to uneven stress.
The invention is further configured to: the outside of the fixed rod is sleeved with a rubber sleeve.
Through adopting above-mentioned technical scheme, protect reinforced concrete pipe, the atress appears damaged when avoiding reinforced concrete pipe and dead lever to offset.
The invention is further configured to: the guide frame is erected at one end, facing the water flowing direction, of the first section of reinforced concrete pipe and comprises opposite supports which are vertically fixed on the ground on two sides of the trench, vertical plates which vertically extend into the trench downwards are fixed on the surface of one side, opposite to each other, of each support, rotary rollers which are arranged oppositely up and down are arranged between the vertical plates, two ends of each rotary roller are connected with the corresponding vertical plates in a rotating mode respectively, the rotary rollers located below are opposite to inner holes of the reinforced concrete pipes, the rotary rollers located above are located above the trench, steel wire ropes which penetrate through the first section of reinforced concrete pipe and the second section of reinforced concrete pipe turn around the rotary rollers located below to the rotary rollers located above, and the steel wire ropes are wound to the inserting end direction of the second section of reinforced concrete pipe through the rotary rollers located above.
Through adopting above-mentioned technical scheme, turn to wire rope's direction through the leading truck to when making the pulling reinforced concrete pipe, shorten draw gear and by the distance between the reinforced concrete pipe, thereby when the problem appears, can in time stop draw gear to wire rope's pulling force.
The invention is further configured to: the height of the joint of the steel plate and the steel wire rope is flush with the bottom height of the rotary roller positioned below, and one side of the steel plate facing the reinforced concrete pipe is provided with a positioning sleeve of which the inner hole shape is matched with the appearance of the insertion end of the reinforced concrete pipe.
By adopting the technical scheme, one section of the steel wire rope positioned in the reinforced concrete pipe is in a horizontal state under a tightened state.
The invention is further configured to: the steel plate is provided with a hanging ring on the surface of one side facing the reinforced concrete pipe, and the steel wire rope is hooked with the hanging ring through a hook.
By adopting the technical scheme, the steel wire rope and the steel plate are conveniently connected together.
The invention is further configured to: in the hoisting step, the gravity center of the reinforced concrete pipe is found and marked before hoisting.
By adopting the technical scheme, when the reinforced concrete pipe is lifted, the lifting belt is tied at the gravity center of the reinforced concrete pipe, so that the reinforced concrete pipe is in a state close to the horizontal state when the reinforced concrete pipe is lifted, and the opening aligning step of the reinforced concrete pipe is facilitated.
The invention is further configured to: in the step of top-mounting the interface, the speed of pulling the steel wire rope should be slow, and a special person checks the rolling-in condition of the rubber ring, if the rolling-in is not uniform, the top-pulling process should be stopped, the position of the rubber ring is adjusted by a chisel, and the top-pulling process is continued after the rolling-in process is uniform, so that the rubber ring reaches the preset position of the bell and spigot.
Through adopting above-mentioned technical scheme, guarantee the extrusion degree of adjacent reinforced concrete pipe extrusion rubber ring to guarantee the leakproofness between the adjacent reinforced concrete pipe.
The invention is further configured to: an annular groove is reserved on the side wall of the reinforced concrete pipe, and in the pipe locking step, one end, connected with the reinforced concrete pipe, of a steel wire rope on the pipe locking assembly is respectively sleeved in the annular groove.
Through adopting above-mentioned technical scheme, avoid tying up and slide on reinforced concrete pipe's outer wall at the outside steel wire of reinforced concrete pipe.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the steel plate is pulled to drive the second section of reinforced concrete pipe to move towards the first section of reinforced concrete pipe, so that the reinforced concrete pipe is uniformly stressed when moving, and the second section of reinforced concrete pipe is not easy to be skewed due to nonuniform stress when the first section of reinforced concrete pipe and the second section of reinforced concrete pipe are spliced, so that a rubber ring can be clamped between the spliced reinforced concrete pipes, the rubber ring is uniformly deformed, and the sealing property between the adjacent reinforced concrete pipes is ensured;
2. the second section of reinforced concrete pipe is pushed by the push plate, and the reinforced concrete pipe is stressed uniformly when pushed, so that the reinforced concrete pipe is not easy to be damaged due to uneven stress;
3. the direction of the steel wire rope is steered through the guide frame, so that when the reinforced concrete pipe is pulled, the distance between the traction device and the pulled reinforced concrete pipe is shortened, and the tension of the traction device on the steel wire rope can be stopped in time when a problem occurs;
4. the side wall of the reinforced concrete pipe is provided with a ring groove in advance, so that the steel wire bound outside the reinforced concrete pipe is prevented from sliding on the outer wall of the reinforced concrete pipe.
Drawings
Fig. 1 is a sectional view of a conventional reinforced concrete pipe butt-joint structure;
figure 2 is a flow chart of the installation of the reinforced concrete pipe;
figure 3 is a schematic structural view of adjacent reinforced concrete pipes in a butt joint state;
FIG. 4 is a schematic view of a top-loading structure of a reinforced concrete pipe;
fig. 5 is a schematic view of a connection structure of the lock tube assembly and the reinforced concrete pipe.
In the figure, 1, a reinforced concrete pipe; 11. a bell and spigot joint; 12. a ring groove; 2. a rubber ring; 3. a guide frame; 31. a support; 32. a vertical plate; 33. a revolving roller; 4. fixing the rod; 41. a rubber sleeve; 5. a steel plate; 51. hanging a ring; 52. a positioning sleeve; 6. a wire rope; 61. hooking; 7. the turn buckle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 2, the method for installing a reinforced concrete pipeline disclosed by the invention comprises the following steps:
the first step, pipeline inspection: the pipeline is subjected to appearance inspection before use, the appearance of the pipeline, the sizes of the bell socket and the inserting end of the pipeline and the flatness of the working surfaces of the bell socket and the inserting end are inspected, and whether the annular clearance matched between the bell socket and the inserting end can meet the requirement of the selected sealing ring is inspected.
Step two, hoisting: hoisting the reinforced concrete pipe 1 by using a crane and a hanging strip, performing trial hoisting before formal hoisting, checking the stress conditions of all machines and hoisting strips in the trial hoisting, putting the pipeline back to the ground when finding a problem, re-performing trial hoisting after troubleshooting, and confirming that all normal rear parts can be formally hoisted. The sling is lifted around the pipe and adopts a special high-strength nylon sling to avoid damaging the concrete of the pipe body. Before hoisting, the gravity center of the pipe body is found out and marked.
Step three, tube descending and tube stabilizing:
with reference to fig. 4, before the pipeline installation, a working pit is dug at the interface, the length of the socket is more than or equal to 600mm, the width of the socket is more than the pipe diameter of the reinforced concrete pipe 1, the depth of the socket is more than or equal to 200mm, and the socket is in a suspended state when the reinforced concrete pipe 1 is butted in the operation stage.
Pipe laying: when the pipe is lowered, the bell and spigot of the reinforced concrete pipe 1 faces the flowing water direction.
Tube stabilization: after the pipeline is in place, two groups of four wedge-shaped concrete cushion blocks are properly added on two sides of the reinforced concrete pipe 1 to prevent the pipe from rolling. When the reinforced concrete pipe 1 is installed, the center and the elevation of the water flowing surface of the pipeline are adjusted section by section, so that the elevation of the longitudinal section and the plane position of the reinforced concrete pipe 1 are accurate. After each pipe section is in place, the pipe sections are fixed to prevent the reinforced concrete pipe 1 from displacing. During pipe stabilization, the pipe is firstly put into the pipe for inspection and butt joint, so that the phenomenon of staggered joints is reduced. The elevation deviation of the inner bottom of the tube is within +/-l 0mm, the center deviation is not more than l0mm, and the stagger of the inner bottoms of the adjacent tubes is not more than 3 mm.
Fourthly, aligning:
cleaning a tube chamber and a tube opening: and cleaning all impurities in the socket, and then uniformly smearing a non-oily lubricant in the socket.
Cleaning a rubber ring: cleaning the adhesive on the rubber ring 2 and uniformly coating a non-oily lubricant.
Sleeving a rubber ring: the sealing rubber ring 2 should be smooth and have no distortion. And a clamping groove for mounting the rubber ring 2 is formed on a step surface formed between the socket and the reinforced concrete pipe 1. When the pipe is installed, the rubber ring 2 is required to roll in place uniformly, after the external force is released, the resilience is not larger than l0mm, the rubber ring 2 is bent into a heart shape or a flower shape and is arranged in the socket groove, and the rubber ring 2 is pressed once along the whole rubber ring 2 by hands, so that all parts of the rubber ring 2 are ensured not to warp and twist and are clamped in the groove uniformly and uniformly. The rubber ring 2 is positioned on the working surface of the bell and spigot after being positioned.
With reference to fig. 3 and 4, the fifth step, top mount interface:
and erecting a guide frame 3 at one end of the first reinforced concrete pipe 1 facing the flowing water direction, wherein the guide frame 3 comprises supports 31 vertically fixed on the ground on two sides of the trench, and the supports 31 positioned on the ground on two sides of the trench are oppositely arranged. Vertical plates 32 which vertically extend downwards into the trench are respectively fixed on the opposite side surfaces of the opposite brackets 31, and the vertical plates 32 on the two brackets 31 are also oppositely arranged. The rotary rollers 33 are oppositely arranged between the opposite vertical plates 32 in an up-down parallel manner, and two ends of the rotary rollers 33 are respectively connected with the opposite vertical plates 32 in a rotating manner. The lower rotary roller 33 is opposite to the inner hole of the reinforced-bar concrete pipe 1, and the upper rotary roller 33 is higher than the trench, so that when the reinforced-bar concrete pipe 1 is placed in the trench, the upper rotary roller 33 is higher than the reinforced-bar concrete pipe 1.
And a fixing rod 4 inserted into the bottom of the trench is fixed at one end of the first section of reinforced concrete pipe 1 facing the flowing water direction, and the fixing rod 4 is abutted against the end surface of the socket of the first section of reinforced concrete pipe 1. The movement of the reinforced concrete pipe 1 to the direction of the socket is limited by the fixing rod 4. In order to avoid damage caused by abutting between the reinforced concrete pipe 1 and the fixing rod 4, the fixing rod 4 is sleeved with a rubber sleeve 41.
The steel plate 5 attached to the end face of the insertion end of the reinforced concrete pipe 1 is placed at the insertion end of the second reinforced concrete pipe 1, the steel plate 5 faces one end of an inner hole of the reinforced concrete pipe 1 to fix the steel wire rope 6, the steel wire rope 6 penetrates through the second reinforced concrete pipe 1 and the first reinforced concrete pipe 1 and turns to the direction of the rotary roller 33 located above through the rotary roller 33 located below the guide frame 3, and the steel wire rope winds back to the direction of the insertion end of the second reinforced concrete pipe 1 through the rotary roller 33 located above. The height of the connecting position of the steel wire rope 6 and the steel plate 5 is the same as the height of the plane where the bottom end of the rotary roller 33 below is located, so that one section of the steel wire rope, which is located inside the first section of reinforced concrete pipe 1 and the second section of reinforced concrete pipe 1, is horizontal in the tightened state of the steel wire rope.
The one end of steel sheet 5 orientation reinforced concrete pipe 1 hole is fixed with link 51, and wire rope 6 links to each other with link 51 of steel sheet 5 through couple 61, links to each other with link 51 through couple 61 to be convenient for unpack apart wire rope 6 and steel sheet 5. In order to ensure that the steel plate 5 is connected with the same position of the reinforced concrete pipe 1, one end of the steel plate 5 facing the reinforced concrete pipe 1 is fixed with a positioning sleeve 52, the shape of an inner hole of the positioning sleeve 52 is matched with the shape of an insertion end of the reinforced concrete pipe 1, and when the steel plate 5 is connected with the reinforced concrete pipe 1, the positioning sleeve 52 is sleeved on the insertion end of the second section of reinforced concrete pipe 1. When the pipe is pushed, the traction device adopts a tractor, the traction device pulls the steel wire rope 6 to move towards the direction far away from the guide frame 3 from the rotating end of the rotating roller 33 positioned above, so that the steel plate 5 is pulled, the steel plate 5 pushes the second section of reinforced concrete pipe 1 to move towards the first section of reinforced concrete pipe 1, and the top-mounted butt joint work is completed. When the speed of the steel wire rope 6 pulled by the tractor is slow, and a specially-assigned person checks the rolling-in condition of the rubber ring 2, if the rolling-in condition is not uniform, stopping jacking and pulling, adjusting the position of the rubber ring 2 by using a chisel, and after the rolling-in condition is uniform, continuing jacking and pulling to enable the rubber ring 2 to reach the preset position of the bell and spigot. When the socket is inserted into the insertion end, the position and the condition of the rubber ring 2 are corrected at any time.
Referring to fig. 2 and 5, a sixth step of locking the tube:
in order to prevent the movement between the butted reinforced concrete pipes 1, the adjacent reinforced concrete pipes 1 are locked by adopting a pipe locking assembly. The lock tube assembly includes a turn buckle 7 and wire ropes 6 at both ends of the turn buckle 7. One end of the steel wire rope 6, which is far away from the turn buckle 7, is respectively bound and fixed on the adjacent reinforced concrete pipes 1, and the length of the turn buckle 7 is adjusted, so that the steel wire rope 6 is tightened, and the adjacent reinforced concrete pipes 1 are kept relatively fixed.
In order to prevent the end of the steel wire rope 6 connected with the reinforced concrete pipe 1 from sliding on the reinforced concrete pipe 1, an annular groove 12 is reserved on the outer wall of the reinforced concrete pipe 1, the end of the steel wire rope 6 connected with the reinforced concrete pipe 1 is sleeved in the annular groove 12, the steel wire rope 6 is limited through the annular groove 12, and the steel wire rope 6 is prevented from sliding on the surface of the reinforced concrete pipe 1.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (7)

1. A method for installing a reinforced concrete pipeline is characterized by comprising the following steps: the method comprises the following steps:
the first step, pipeline inspection: inspecting the appearance and the size of the reinforced concrete pipe (1);
step two, hoisting: hoisting the reinforced concrete pipe (1) by adopting a crane and a hanging strip, trying to hoist before formal hoisting, putting the pipeline back to the ground when a problem is found, trying to hoist again after a fault is eliminated, and confirming that all normal rear parts can be formally hoisted;
step three, tube descending and tube stabilizing: before the pipeline is installed, a working pit is dug at the interface, and the socket is in a suspended state when the reinforced concrete pipe (1) is butted; pipe laying: when the pipe is lowered, the bell and spigot of the reinforced concrete pipe (1) faces the flowing water direction; tube stabilization: adding a plurality of groups of wedge-shaped cushion blocks on two sides of the reinforced concrete pipe (1), and adjusting the center and the elevation of the flow surface of the reinforced concrete pipe (1) section by section to ensure the accuracy of the elevation and the plane position of the longitudinal section of the reinforced concrete pipe (1); when the tube is stabilized, the tube is firstly put into the tube for checking and aligning, the staggered joint phenomenon is reduced, the elevation deviation of the bottom of the tube is within +/-l 0mm, the center deviation is not more than l0mm, and the staggered joint of the bottom of the adjacent tube is not more than 3 mm;
fourthly, aligning: cleaning all impurities in the socket and spigot, scrubbing the impurities clean, and smearing a non-oily lubricant; cleaning the adhesive on the rubber ring (2) and uniformly smearing a non-oily lubricant; finally, the rubber ring (2) is installed;
fifthly, installing an interface at the top: a fixing rod (4) inserted into the trench bottom is fixed at one end of the first section of reinforced concrete pipe (1) facing the flowing water direction, and the fixing rod (4) is abutted with the end surface of the bell and spigot of the first section of reinforced concrete pipe (1); a steel plate (5) attached to the end face of the insertion end of the reinforced concrete pipe (1) is placed at the insertion end of the second section of reinforced concrete pipe (1), a steel wire rope (6) is arranged at one end, facing the inner hole of the second section of reinforced concrete pipe (1), of the steel plate (5), the steel wire rope (6) penetrates through the inner holes of the second section of reinforced concrete pipe (1) and the first section of reinforced concrete pipe (1) and is exposed out of a bell and spigot of the first section of reinforced concrete pipe (1), a guide frame (3) is erected at one end, facing the water flowing direction, of the first section of reinforced concrete pipe (1), the guide frame (3) comprises opposite supports (31) vertically fixed on the ground at two sides of the trench, opposite vertical plates (32) vertically extending into the trench downwards are fixed on the surface of one opposite side of each support (31), rotary rollers (33) arranged oppositely up and down are arranged between the opposite vertical plates (32), and two ends of each rotary roller (33) are respectively connected with the opposite vertical plates (, the lower rotary roller (33) is opposite to the inner hole of the reinforced concrete pipe (1), the upper rotary roller (33) is higher than the trench, the steel wire rope (6) passing through the first reinforced concrete pipe (1) and the second reinforced concrete pipe (1) bypasses the lower rotary roller (33) to turn towards the upper rotary roller (33), and is wound back to the insertion end direction of the second reinforced concrete pipe (1) through the upper rotary roller (33), and the steel wire rope (6) is pulled to pass through one end of the reinforced concrete pipe (1) through a traction device, so that the steel plate (5) pushes the second reinforced concrete pipe (1), and the second reinforced concrete pipe (1) moves towards the first reinforced concrete pipe (1);
sixth step, locking the tube: adopt lock pipe subassembly with locking between adjacent reinforced concrete pipe (1), lock pipe subassembly includes basket of flowers bolt (7) and is located wire rope (6) at basket of flowers bolt (7) both ends, binds respectively through the one end of keeping away from basket of flowers bolt (7) wire rope (6) and fixes on adjacent reinforced concrete pipe (1).
2. The installation method of a reinforced concrete pipe according to claim 1, wherein: the outside of the fixed rod (4) is sleeved with a rubber sleeve (41).
3. The installation method of a reinforced concrete pipe according to claim 1, wherein: the steel plate (5) and steel wire rope (6) junction highly flush with the bottom height of the gyro wheel (33) that is located the below, one side that steel plate (5) faced reinforced concrete pipe (1) is provided with the sleeve pipe that the end appearance assorted was inserted of hole shape and reinforced concrete pipe (1).
4. The installation method of a reinforced concrete pipe according to claim 1, wherein: one side surface of the steel plate (5) facing the reinforced concrete pipe (1) is provided with a hanging ring (51), and the steel wire rope (6) is hooked with the hanging ring (51) through a hook (61).
5. The installation method of a reinforced concrete pipe according to claim 1, wherein: in the hoisting step, the gravity center of the reinforced concrete pipe (1) is found and marked before hoisting.
6. The installation method of a reinforced concrete pipe according to claim 1, wherein: in the step of top-mounting the interface, the speed of pulling the steel wire rope (6) is slow, a special person checks the rolling-in condition of the rubber ring (2), if the rolling-in is not uniform, the top-pulling is stopped, the position of the rubber ring (2) is adjusted by a chisel, and after the rolling-in condition is uniform, the top-pulling and the pulling are continued, so that the rubber ring (2) reaches the preset position of the bell and spigot.
7. The installation method of a reinforced concrete pipe according to claim 1, wherein: an annular groove (12) is reserved on the side wall of the reinforced concrete pipe (1), and in the pipe locking step, one end, connected with the reinforced concrete pipe (1), of a steel wire rope (6) on the pipe locking assembly is respectively sleeved in the annular groove (12).
CN201910340648.6A 2019-04-25 2019-04-25 Method for installing reinforced concrete pipeline Active CN110242793B (en)

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