CN113294161B - Pipe jacking stable construction structure and construction method thereof - Google Patents
Pipe jacking stable construction structure and construction method thereof Download PDFInfo
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- CN113294161B CN113294161B CN202110692509.7A CN202110692509A CN113294161B CN 113294161 B CN113294161 B CN 113294161B CN 202110692509 A CN202110692509 A CN 202110692509A CN 113294161 B CN113294161 B CN 113294161B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
- F16L1/036—Laying or reclaiming pipes on land, e.g. above the ground in the ground the pipes being composed of sections of short length
Abstract
The application relates to the technical field of pipe jacking construction methods, in particular to a pipe jacking stable construction structure and a construction method thereof, wherein the pipe jacking stable construction structure comprises the following steps: s1, measuring and paying off; s2, excavating and supporting a working well and a receiving well: excavating by adopting a manual matching machine; s3, installing and commissioning the push bench and the muddy water treatment equipment; s4, jacking construction: jacking each pipeline section by section into a soil layer by using a jack; s5, reaching a receiving well: stopping jacking after the pipe jacking machine is completely jacked into the receiving well; s6, dismantling equipment: removing the connection between the pipe jacking machine and the first section of pipeline, lifting the pipe jacking machine out of the receiving well, and removing the auxiliary equipment; s7, backfilling a working well and a receiving well; s8, water closing test: carry out the water test that closes to the pipeline of accomplishing of being under construction, this application can rectify to the guide rail after the skew, improves the jacking precision of pipeline.
Description
Technical Field
The application relates to the technical field of pipe jacking construction methods, in particular to a pipe jacking stable construction structure and a construction method thereof.
Background
The pipe-jacking construction is a pipeline burying construction technology with no excavation or less excavation.
The pipe jacking construction is that the friction force between the pipeline and the surrounding soil is overcome by means of the jacking force generated by jacking equipment in a working pit, the pipeline is jacked into the soil according to the designed gradient, and earthwork is transported away. The pipeline is supported and limited by the guide rail, and after one section of pipe is pushed into the soil layer, the second section of pipe is pushed into the soil layer continuously. The principle is that by means of the thrust between the main top oil cylinder and the pipeline and between the relay, the tool pipe or the heading machine is pushed into the receiving pit from the working pit through the soil layer and is lifted, and the pipeline is embedded between the two pits after following the tool pipe or the heading machine.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the process of jacking the pipeline by the jacking equipment, due to the existence of a plurality of uncertain factors such as complex geological factors, improper placement of jacking irons and the like, the guide rail often deviates by a small distance, and the jacking precision of the pipeline is influenced.
Disclosure of Invention
In order to rectify the deviation of the deviated guide rail and improve the jacking precision of the pipeline, the application provides a jacking pipe stable construction structure and a construction method thereof.
A pipe jacking stable construction structure adopts the following technical scheme:
the utility model provides a construction structures is stabilized to push pipe, includes installation base, two I-steel guide rails and two sets of deviation correcting device, two I-steel guide rail parallel arrangement of each other is used for supporting the pipeline and carries on spacingly to the direction of advancing of the top of pipeline, the bottom surface of I-steel guide rail's lower pterygoid lamina has set firmly polylith interval distribution's slider, many interval distribution and parallel spout of each other are seted up to the top surface of installation base, every slider respectively with every spout sliding fit, two sets of deviation correcting device are located the outside that two I-steel guide rails kept away from each other respectively, every deviation correcting device of group is used for driving the I-steel guide rail and removes the interval in order to adjust two I-steel guide rails along the installation base.
Through adopting above-mentioned technical scheme, the sliding fit of slider and spout is spacing to the moving direction of I-steel guide rail. When the pipeline deviates from the preset jacking position, the deviation correcting device is utilized to drive the I-shaped steel guide rails to move relative to the mounting base along the opening direction of the sliding groove so as to adjust the distance between the two I-shaped steel guide rails, and the two I-shaped steel guide rails are matched together to enable the pipeline to move to the preset jacking position again. The operation can be used for quickly correcting the deviation of the guide rail after deviation, and the jacking precision of the pipeline is improved.
Optionally, the sliding groove is a dovetail groove, and the sliding block is a dovetail block.
By adopting the technical scheme, the sliding fit form of the dovetail block and the dovetail groove is a stable sliding fit form, and has high-precision directivity; the dovetail block can not be separated from the dovetail groove, so that the I-shaped steel guide rail is always in tight sliding connection with the mounting base.
Optionally, the deviation correcting device comprises a deviation correcting seat, a driving mechanism and a plurality of adjusting screws, the deviation correcting seat is fixedly connected with the top surface of the installation base, the plurality of adjusting screws are arranged in parallel, all the adjusting screws penetrate through the deviation correcting seat and are rotatably connected with the deviation correcting seat, one ends of the adjusting screws, facing the I-shaped steel guide rail, penetrate through a web of the I-shaped steel guide rail and are in threaded fit with the I-shaped steel guide rail, and the driving mechanism is used for driving all the adjusting screws to rotate in the same direction.
Through adopting above-mentioned technical scheme, actuating mechanism drives all adjusting screw syntropy and rotates simultaneously, and all adjusting screw promote the I-steel guide rail simultaneously and are close to or keep away from the seat of rectifying, make the I-steel guide rail remove for the installation base, and then realize the top of quick accurate regulation pipeline and advance the position.
Optionally, the driving mechanism includes a driving part, a driving chain and a plurality of driven sprockets, the driving part is fixedly connected with the top surface of the installation base, the output shaft of the driving part is coaxially fixedly connected with a driving sprocket, the plurality of driven sprockets are fixedly connected with one ends of the adjusting screws, which are far away from the i-steel guide rail, coaxially, the driving chain is meshed with all the driven sprockets simultaneously, and the driving sprocket is meshed with the driving chain.
Through adopting above-mentioned technical scheme, the driving piece drives the drive sprocket rotation, and drive sprocket drives the operation of drive chain, and drive chain drives all driven sprocket synchronous revolution, and all driven sprockets drive all adjusting screw syntropys with fast the rotation simultaneously to adjust the position of worker's word steel guide rail, whole process realizes automaticly, the precision.
Optionally, the inner side of the upper wing plate of the i-steel guide rail is rotatably connected with a roller, and the roller is in rolling contact with the outer peripheral surface of the pipeline.
Through adopting above-mentioned technical scheme, the gyro wheel can realize that I-steel guide rail and pipeline form the rolling cooperation, reduces the frictional force of pipeline when moving for the I-steel guide rail, makes the pipeline more smooth and easy at the in-process that is pushed up into, and the frictional resistance that receives is littleer.
Optionally, an oil hole communicated with the sliding groove is formed in the top surface of the mounting base.
Through adopting above-mentioned technical scheme, because slider and spout often carry out the relative slip, here frictional force is great, through the oiling hole towards the interior filling oil of spout, can reduce the mutual frictional force between the inner wall of slider and spout, make the I-steel guide rail remove for the installation base more smoothly.
A pipe jacking construction method adopts the following technical scheme:
a pipe-jacking construction method, the pipe-jacking stable construction structure according to any one of the claims 1-6, comprising the steps of:
s1, measurement and setting: according to the standard precision requirement, an instrument meeting the control precision requirement is equipped; performing on-site field reconnaissance, understanding design drawings and documents, combining corresponding technical specifications and standards, and performing measurement on the whole project according to submitted plane and high-program control pile and point data;
s2, excavating and supporting a working well and a receiving well: excavating the working well and the receiving well by adopting a manual matching machine; excavating follows the principle of excavating from top to bottom, and when the distance between the excavation and the bottom elevation is 20cm, manual excavation is adopted; carrying out single-layer or multi-layer slope support according to the excavation depth in the excavation process;
s3, installing and commissioning the pipe jacking machine and the muddy water treatment equipment: lowering the pipe jacking machine to the bottom of a working well and installing in place, installing muddy water treatment equipment on the ground in place, communicating a pipeline of the muddy water treatment equipment with a pipeline of the pipe jacking machine and performing trial operation;
s4, jacking construction: jacking each pipeline section by section into a soil layer by using a jack;
s5, reaching a receiving well: stopping jacking after the pipe jacking machine is completely jacked into the receiving well;
s6, dismantling equipment: removing the connection between the pipe jacking machine and the first section of pipeline, lifting the pipe jacking machine out of the receiving well, and removing the auxiliary equipment;
s7, backfilling a working well, and receiving a well: after the inspection well is built, backfilling the working well and the receiving well layer by adopting mechanical equipment;
s8, water closing test: and carrying out a water closing test on the constructed pipeline.
By adopting the technical scheme, instruments meeting the control precision requirement are equipped according to the standard precision requirement; and (4) carrying out on-site survey, understanding design drawings and documents, combining corresponding technical specifications and standards, and carrying out measurement on the whole project according to submitted plane and high-program control pile and point data. Excavating the working well and the receiving well by adopting a manual matching machine; excavating follows the principle of excavating from top to bottom, and when the distance between the excavation and the bottom elevation is 20cm, manual excavation is adopted; and carrying out single-layer or multi-layer slope support according to the excavation depth in the excavation process. And (3) lowering the pipe jacking machine to the bottom of the working well and installing in place, installing the muddy water treatment equipment on the ground in place, communicating the pipeline of the muddy water treatment equipment with the pipeline of the pipe jacking machine and performing test operation. And jacking each pipeline section by section into the soil layer by using a jack. And stopping jacking after the pipe jacking machine is completely jacked into the receiving well. And removing the connection between the pipe jacking machine and the first section of pipeline, lifting the pipe jacking machine out of the receiving well, and removing the auxiliary equipment. And after the masonry of the working well and the receiving well is checked, backfilling the working well and the receiving well layer by adopting mechanical equipment. And carrying out a water closing test on the constructed pipeline.
Optionally, in step S4, when the first section of pipeline is jacked, the center line and the elevation of the first section of pipeline are measured once every 300mm of jacking, and if the center line and the elevation meet the requirements, the distance between the two guide rails is immediately adjusted by using a deviation-correcting device to correct the pipeline; and when other pipelines are normally jacked after entering the soil layer, measuring whether the center line and the elevation meet the requirements once every 1000mm of jacking, and if the center line and the elevation exceed the preset deviation amount, immediately adjusting the distance between the two guide rails by using a deviation correcting device to correct the pipeline.
By adopting the technical scheme, the jacking accuracy of the subsequent pipeline is determined by the jacking accuracy of the first section of pipeline, so that when the first section of pipeline is jacked, whether the central line and the elevation meet the requirements or not needs to be measured every 300mm of jacking. In order to accelerate the construction speed of the jacking pipe, when other pipelines normally jack into the soil layer, the central line and the elevation of the pipeline are measured once every 1000mm of jacking to meet the requirements. If the pipeline deviates from the jacking central line, when the jacking position of the pipeline is adjusted, the driving piece is started, the driving piece drives the driving chain wheel to rotate, the driving chain wheel drives the driving chain to operate, the driving chain drives all the driven chain wheels to synchronously rotate, all the driven chain wheels simultaneously drive all the adjusting screw rods to synchronously rotate at the same speed in the same direction, and the I-shaped steel guide rail is adjusted in position, all the adjusting screw rods simultaneously push the I-shaped steel guide rail to be close to or far away from the deviation correcting seat, so that the I-shaped steel guide rail moves relative to the installation base, and the jacking position of the pipeline is quickly and accurately adjusted.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the deviation correcting device is used for driving the I-shaped steel guide rails to move relative to the mounting base along the opening direction of the sliding groove so as to adjust the distance between the two I-shaped steel guide rails, the two I-shaped steel guide rails are matched together to enable the pipeline to move to a preset jacking position again, the deviated guide rails can be quickly corrected, and the jacking precision of the pipeline is improved;
2. the sliding fit form of the dovetail block and the dovetail groove is a relatively stable sliding fit form, and has high-precision directivity, and the dovetail block cannot be separated from the dovetail groove, so that the I-shaped steel guide rail is always in tight sliding connection with the mounting base;
3. the roller can realize that I-steel guide rail and pipeline form the roll cooperation, reduces the frictional force of pipeline when moving for the I-steel guide rail, makes the pipeline more smooth and easy at the in-process that is advanced by the top, and the frictional resistance who receives is littleer.
Drawings
FIG. 1 is a schematic structural diagram of a pipe jacking stabilization construction structure according to an embodiment of the present application;
FIG. 2 is an exploded view showing the oil hole.
Description of reference numerals: 1. installing a base; 11. a chute; 12. an oil filler hole; 2. an I-steel guide rail; 21. a slider; 22. a roller; 3. a deviation correcting device; 4. a deviation rectifying base; 5. adjusting the screw rod; 6. a drive mechanism; 61. a drive member; 611. a drive sprocket; 62. a drive chain; 63. a driven sprocket; 7. a pipeline.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses construction structures is stabilized to push pipe, refer to fig. 1 and 2, and construction structures is stabilized to push pipe includes installation base 1, two I-steel guide rails 2 and two sets of deviation correcting device 3. The installation base 1 is fixedly connected with a construction soil layer. The two I-steel guide rails 2 are parallel to each other and parallel to the length direction of the installation base 1, a plurality of sliding blocks 21 which are distributed at equal intervals are integrally formed on the bottom surface of a lower wing plate of the I-steel guide rails 2, a plurality of sliding grooves 11 which are distributed at equal intervals and parallel to each other are formed in the top surface of the installation base 1, the distance between every two adjacent sliding grooves 11 is equal to the distance between every two adjacent sliding blocks 21, one end of each sliding groove 11 is communicated with the side surface of the installation base 1, and each sliding block 21 is in sliding fit with each sliding groove 11. The pipeline 7 is in sliding fit with the inner side surfaces of the upper wing plates of the two I-shaped steel guide rails 2. The two groups of deviation correcting devices 3 are respectively positioned on the outer sides, far away from the two I-steel guide rails 2, of the two I-steel guide rails 2, and each group of deviation correcting devices 3 is used for driving the I-steel guide rails 2 to move along the installation base 1 so as to adjust the distance between the two I-steel guide rails 2.
The sliding fit of the sliding block 21 and the sliding groove 11 limits the moving direction of the I-shaped steel guide rail 2. When the pipeline 7 deviates from the preset jacking position, the deviation correcting device 3 is used for driving the I-shaped steel guide rails 2 to move relative to the mounting base 1 along the opening direction of the sliding groove 11 so as to adjust the distance between the two I-shaped steel guide rails 2, and the two I-shaped steel guide rails 2 are matched together to enable the pipeline 7 to move to the preset jacking position again. The operation can be used for quickly correcting the deviation of the guide rail after deviation, and the jacking precision of the pipeline 7 is improved.
Referring to fig. 1 and 2, the slide groove 11 has a dovetail groove shape, and the slider 21 has a dovetail block shape. The sliding fit form of the dovetail block and the dovetail groove is a stable sliding fit form, and has high-precision directivity; the dovetail block can not be separated from the dovetail groove, so that the I-shaped steel guide rail 2 is always in tight sliding connection with the mounting base 1. An oil filling hole 12 is formed near each sliding groove 11 on the top surface of the mounting base 1, and the oil filling hole 12 is communicated with the inside of the adjacent sliding groove 11. Since the slide block 21 and the slide groove 11 are usually slid relatively, friction force is large here, and lubricating oil is filled into the slide groove 11 through the oil injection hole 12, so that mutual friction force between the slide block 21 and the inner wall of the slide groove 11 can be reduced, and the i-steel guide rail 2 can move relatively smoothly with respect to the mounting base 1.
Referring to fig. 1 and 2, a plurality of rollers 22 are rotatably connected to the inner side of the upper wing plate of the i-steel guide rail 2, and the rollers 22 are in rolling contact with the outer circumferential surface of the pipeline 7. The roller 22 can realize that the I-steel guide rail 2 and the pipeline 7 form rolling fit, and reduce the friction force when the pipeline 7 moves relative to the I-steel guide rail 2, so that the pipeline 7 is more smooth in the jacking process, and the friction resistance is smaller.
Referring to fig. 1 and 2, the deviation correcting device 3 includes a deviation correcting base 4, a driving mechanism 6 and a plurality of adjusting screws 5. The deviation rectifying seat 4 is fixedly connected with the top surface of the installation base 1. The adjusting screws 5 are parallel to each other and distributed at equal intervals, all the adjusting screws 5 are located on the same horizontal plane, all the adjusting screws 5 penetrate through the correction seat 4 and are rotatably connected with the correction seat 4, and one end, facing the I-shaped steel guide rail 2, of each adjusting screw 5 penetrates through a web of the I-shaped steel guide rail 2 and is in threaded fit with the I-shaped steel guide rail 2. The driving mechanism 6 is used for simultaneously driving all the adjusting screws 5 to rotate in the same direction.
The driving mechanism 6 drives all the adjusting screws 5 to rotate in the same direction, and all the adjusting screws 5 simultaneously push the I-steel guide rail 2 to be close to or far away from the deviation correcting seat 4, so that the I-steel guide rail 2 moves relative to the mounting base 1, and the jacking position of the pipeline 7 is adjusted rapidly and accurately.
Referring to fig. 1 and 2, the driving mechanism 6 includes a driving member 61, a driving chain 62, and a plurality of driven sprockets 63. In this embodiment, the driving member 61 is a servo motor, the servo motor is fixedly connected to the top surface of the mounting base 1, and an output shaft of the servo motor is coaxially and fixedly connected to the driving sprocket 611. The plurality of driven chain wheels 63 are coaxially and fixedly connected with one end, far away from the I-shaped steel guide rail 2, of each adjusting screw 5 respectively, the driving chain 62 is meshed with all the driven chain wheels 63 simultaneously, and the driving chain wheel 611 is meshed with the driving chain 62.
The servo motor drives the driving sprocket 611 to rotate, the driving sprocket 611 drives the driving chain 62 to rotate, the driving chain 62 drives all the driven sprockets 63 to synchronously rotate, and all the driven sprockets 63 simultaneously drive all the adjusting screws 5 to rotate in the same direction and at the same speed so as to adjust the position of the I-shaped steel guide rail 2.
The implementation principle of the pipe jacking stable construction structure in the embodiment of the application is as follows: the servo motor drives the driving chain wheel 611 to rotate, the driving chain wheel 611 drives the driving chain 62 to operate, the driving chain 62 drives all the driven chain wheels 63 to synchronously rotate, all the driven chain wheels 63 simultaneously drive all the adjusting screws 5 to rotate in the same direction and at the same speed, all the adjusting screws 5 simultaneously push the I-steel guide rail 2 to be close to or far away from the deviation rectifying seat 4, so that the I-steel guide rail 2 moves relative to the installation base 1, the jacking position of the pipeline 7 is rapidly and accurately adjusted, and the pipeline 7 is rapidly rectified.
The embodiment of the application also discloses a construction method applying the pipe jacking stable construction structure, which comprises the following steps:
s1, referring to the figure 1 and the figure 2, according to the standard precision requirement, the instrument meeting the control precision requirement is equipped; and (4) carrying out on-site survey, understanding design drawings and documents, combining corresponding technical specifications and standards, and carrying out measurement on the whole project according to submitted plane and high-program control pile and point data.
S2, referring to the figures 1 and 2, excavating the working well and the receiving well by adopting a manual matching machine; excavating follows the principle of excavating from top to bottom, and when the distance between the excavation and the bottom elevation is 20cm, manual excavation is adopted; during excavation, single-layer or multi-layer side slope supporting is carried out according to the excavation depth, when multi-layer supporting is adopted, working well supporting is carried out by adopting a steel-wood supporting method, a first supporting is arranged at a position 80cm below the ground, a second supporting is arranged at a position 2 meters below a first disc support, a third disc support is arranged at a position 1.5m below a second disc support, supporting materials are 4 meters of long and large plates and 30# I-steel, each step of large plate supports two disc supports, and a bottom disc support is arranged at a position 2m of a splayed support.
S3, referring to the figures 1 and 2, the push bench is lowered to the bottom of the working well and is installed in place, the muddy water treatment equipment on the ground is installed in place, and the pipeline of the muddy water treatment equipment is communicated with the pipeline of the push bench and is tested for operation.
And S4, referring to the figures 1 and 2, jacking the pipe jacking machine into the soil layer by using a jack, hoisting the first pipeline section 7, installing and connecting the first pipeline section 7 with the pipe jacking machine, and jacking the first pipeline section 7 into the soil layer by using the jack. When the first pipeline section 7 is jacked, whether the center line and the elevation meet the requirements or not is measured every 300mm, if the center line and the elevation exceed the preset deviation amount, the distance between the two guide rails is immediately adjusted by the aid of the deviation correcting device 3, the pipeline section 7 is corrected, and the pipeline section 7 returns to the preset position. And then sequentially lowering the subsequent pipelines 7, and when the subsequent pipelines 7 are normally jacked after entering the soil layer, measuring whether the center line and the elevation meet the requirements once every 1000mm of jacking, if the center line and the elevation exceed the preset deviation amount, immediately adjusting the distance between the two guide rails by using the deviation correcting device 3, and correcting the deviation of the pipelines 7 to return the pipelines 7 to the preset position.
And S5, referring to the figure 1 and the figure 2, stopping jacking after the pipe jacking machine is completely jacked into the receiving well, and finishing jacking construction.
S6, referring to the figures 1 and 2, removing the connection between the pipe jacking machine and the first section of pipeline 7, lifting the pipe jacking machine out of the receiving well, removing auxiliary equipment in the working well and the receiving well, and lifting and withdrawing all the auxiliary equipment.
And S7, referring to the figure 1 and the figure 2, after the masonry of the working well and the receiving well is checked, backfilling the working well and the receiving well layer by using mechanical equipment until the working well and the receiving well are filled with backfilling soil.
S8, referring to fig. 1 and 2, the water closing test is performed on the constructed pipeline 7, and the pipeline can be put into practical use after the water closing test is passed.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a construction structures is stabilized to push pipe which characterized in that: the pipeline jacking device comprises a mounting base (1), two I-steel guide rails (2) and two groups of deviation correcting devices (3), wherein the two I-steel guide rails (2) are arranged in parallel to support a pipeline (7) and limit the jacking direction of the pipeline (7), a plurality of sliding blocks (21) distributed at intervals are fixedly arranged on the bottom surface of a lower wing plate of each I-steel guide rail (2), a plurality of sliding grooves (11) distributed at intervals and parallel to each other are formed in the top surface of the mounting base (1), each sliding block (21) is in sliding fit with each sliding groove (11), the two groups of deviation correcting devices (3) are respectively positioned on the outer sides, far away from each other, of the two I-steel guide rails (2), and each group of deviation correcting devices (3) is used for driving the I-steel guide rails (2) to move along the mounting base (1) so as to adjust the distance between the two I-steel guide rails (2); deviation correcting device (3) are including rectifying a deviation seat (4), actuating mechanism (6) and many adjusting screw (5), the top surface rigid coupling of rectifying a deviation seat (4) and installation base (1), many adjusting screw (5) all parallel arrangement of each other, all adjusting screw (5) all run through rectifying a deviation seat (4) and rotate with rectifying a deviation seat (4) and be connected, adjusting screw (5) towards the one end of I-steel guide rail (2) run through the web of I-steel guide rail (2) and with I-steel guide rail (2) screw-thread fit, actuating mechanism (6) are used for driving all adjusting screw (5) syntropy to rotate simultaneously.
2. The pipe jacking stable construction structure of claim 1, wherein: the sliding groove (11) is a dovetail groove, and the sliding block (21) is a dovetail block.
3. The pipe jacking stable construction structure of claim 1, wherein: drive mechanism (6) are including driving piece (61), drive chain (62) and a plurality of driven sprocket (63), the top surface rigid coupling of driving piece (61) and installation base (1), the coaxial rigid coupling of output shaft of driving piece (61) has drive sprocket (611), a plurality of driven sprocket (63) respectively with every adjusting screw (5) keep away from the coaxial rigid coupling of one end of I-steel guide rail (2), drive chain (62) mesh with all driven sprocket (63) simultaneously, drive sprocket (611) mesh with drive chain (62).
4. The pipe jacking stable construction structure of claim 1, wherein: the inner side of the upper wing plate of the I-shaped steel guide rail (2) is rotatably connected with a roller (22), and the roller (22) is in rolling contact with the outer peripheral surface of the pipeline (7).
5. The pipe jacking stable construction structure of claim 1, wherein: the top surface of the mounting base (1) is provided with an oil filling hole (12) communicated with the sliding groove (11).
6. A pipe-jacking construction method, the pipe-jacking stable construction structure according to any one of the claims 1 to 5, characterized by comprising the steps of:
s1, measurement and setting: according to the standard precision requirement, an instrument meeting the control precision requirement is equipped; performing on-site field reconnaissance, understanding design drawings and documents, combining corresponding technical specifications and standards, and performing measurement on the whole project according to submitted plane and high-program control pile and point data;
s2, excavating and supporting a working well and a receiving well: excavating the working well and the receiving well by adopting a manual matching machine; excavating follows the principle of excavating from top to bottom, and when the distance between the excavation and the bottom elevation is 20cm, manual excavation is adopted; carrying out single-layer or multi-layer slope support according to the excavation depth in the excavation process;
s3, installing and commissioning the pipe jacking machine and the muddy water treatment equipment: lowering the pipe jacking machine to the bottom of a working well and installing in place, installing muddy water treatment equipment on the ground in place, communicating a pipeline of the muddy water treatment equipment with a pipeline of the pipe jacking machine and performing trial operation;
s4, jacking construction: jacking each pipeline (7) section by section into the soil layer by using a jack;
s5, reaching a receiving well: stopping jacking after the pipe jacking machine is completely jacked into the receiving well;
s6, dismantling equipment: removing the connection between the pipe jacking machine and the first section of pipeline (7), lifting the pipe jacking machine out of the receiving well, and removing auxiliary equipment;
s7, backfilling a working well, and receiving a well: after the inspection well is built, backfilling the working well and the receiving well layer by adopting mechanical equipment;
s8, water closing test: and (4) performing a water closing test on the constructed pipeline (7).
7. The pipe jacking construction method according to claim 6, wherein: in step S4, when the first section of pipeline (7) is jacked, whether the center line and the elevation meet the requirements or not is measured every time the first section of pipeline (7) is jacked for 300mm, if the center line and the elevation exceed the preset deviation amount, the distance between the two guide rails is immediately adjusted by the aid of the deviation correcting device (3), and the pipeline (7) is corrected; and when other pipelines (7) are normally jacked after entering the soil layer, measuring whether the center line and the elevation meet the requirements once every 1000mm of jacking, and if the center line and the elevation exceed the preset deviation amount, immediately adjusting the distance between the two guide rails by using the deviation correcting device (3) to correct the deviation of the pipelines (7).
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| CN113622937A (en) * | 2021-09-09 | 2021-11-09 | 北京市市政二建设工程有限责任公司 | Sludge stratum pipe jacking deviation rectifying device and method |
| CN113803521B (en) * | 2021-09-29 | 2022-07-05 | 广东一新长城建筑集团有限公司 | Pipe jacking construction process |
| CN113898353B (en) * | 2021-10-30 | 2024-02-02 | 湖南梅溪湖建设有限公司 | Construction structure and construction method of push bench |
| CN114294474B (en) * | 2022-03-03 | 2022-05-20 | 山西太水市政工程有限公司 | Jacking pipe system with positioning function and construction method thereof |
| CN116857432B (en) * | 2023-06-21 | 2024-03-22 | 金中天水利建设有限公司 | Pipe jacking device and pipe jacking construction method thereof |
Family Cites Families (6)
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| JPH0748987A (en) * | 1993-08-05 | 1995-02-21 | Kubota Corp | Driving body for pipe jacking method |
| JP2000240392A (en) * | 1999-02-23 | 2000-09-05 | Kubota Corp | Pipe jacking device |
| CN104265321B (en) * | 2014-08-06 | 2016-04-13 | 上海隧道工程有限公司 | Ultra-large type tunneling boring rectangular top pipe tunneling construction method |
| CN104455725B (en) * | 2014-09-18 | 2016-08-17 | 叶长青 | A kind of pipe jacking construction method |
| CN108412505A (en) * | 2018-05-18 | 2018-08-17 | 北京翔鲲水务建设有限公司 | Jacking construction structure and pipe jacking construction method |
| CN110645010A (en) * | 2019-10-21 | 2020-01-03 | 中铁四院集团岩土工程有限责任公司 | Pipe jacking equipment and pipe jacking construction method |
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