CN113700007B - Construction method for backfilling drainage pipeline support of road construction at complex section - Google Patents
Construction method for backfilling drainage pipeline support of road construction at complex section Download PDFInfo
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- CN113700007B CN113700007B CN202111055688.XA CN202111055688A CN113700007B CN 113700007 B CN113700007 B CN 113700007B CN 202111055688 A CN202111055688 A CN 202111055688A CN 113700007 B CN113700007 B CN 113700007B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/12—Back-filling of foundation trenches or ditches
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/18—Making embankments, e.g. dikes, dams
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/26—Compacting soil locally before forming foundations; Construction of foundation structures by forcing binding substances into gravel fillings
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/28—Stressing the soil or the foundation structure while forming foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/32—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
Abstract
The invention relates to the technical field of road administration construction, and discloses a construction method for backfilling drainage pipeline supports in a complex section for road construction, which comprises the following steps: the method comprises the following steps: construction preparation, step two: excavating a pipe groove, and step three: leveling, step four: manufacturing a support beam, and step five: pre-assembling a pipeline; step six: erecting a template, and seventhly: concrete backfill, this scheme, through setting up the laying truck, the convenient control to the unloading volume is realized to the first electric telescopic handle of distance sensor cooperation on the laying truck to be favorable to adjusting to the road surface of unevenness, simultaneously through infrared mechanism, realize the position control to the reason flitch, guarantee that a supporting beam's up end is regular, realize the good supporting effect to the pipeline.
Description
Technical Field
The invention relates to the field of road administration construction, in particular to a supporting and backfilling construction method for a drainage pipeline at a complex section for road construction.
Background
Drainage systems are an important infrastructure of modern cities. In drainage systems, drainage pipes are an essential component. The drainage pipe means a pipe duct for collecting and discharging sewage, wastewater and rainwater.
Chinese patent publication No. CN107401207B discloses a construction method of a large-caliber rainwater and sewage pipeline fabricated assembly structure; the construction method mainly comprises the following steps: construction preparation, pipe groove excavation, foundation leveling, cement curing layer construction, pipeline base hoisting, pipeline installation, grouting closing body construction, concrete backfill construction and gravel backfill construction.
In the construction method, the prefabricated pipeline base is adopted for supporting the pipeline, and the prefabricated pipeline base is manufactured in advance and cannot be flexibly adjusted according to the field condition, so that when the flatness of the foundation is insufficient, the base can generate a height difference, the laying unevenness of the pipeline is caused, and certain influence is caused on subsequent use.
With respect to the related art among the above, the inventors consider that the above-described drawbacks exist.
Disclosure of Invention
In order to solve the problems, the invention provides a construction method for backfilling drainage pipeline supports in a complex section for highway construction.
The invention provides a construction method for backfilling drainage pipeline supports in a complex section for highway construction, which adopts the following technical scheme:
a supporting and backfilling construction method for drainage pipelines in complex sections for highway construction comprises the following steps: the method comprises the following steps: construction preparation, namely processing a construction site according to a design drawing, drawing a construction contour line, determining a level point elevation, preparing construction materials, and positioning machines and personnel;
Step two: excavating the pipe trench, calculating and determining the excavation width according to the designed trench bottom width, excavation depth and slope gradient, adopting a backhoe excavator to perform backward excavation, and performing in the direction of reverse water flow slope;
step three: leveling the foundation, after the pipe groove is excavated, measuring the elevation of the pipe bottom, and tamping the soil body at the bottom;
step four: a supporting beam is manufactured, a laying vehicle is placed into a pipe groove by a crane, a material conveying mechanism conveys materials into a bearing groove through a material conveying pipe, a driving motor drives the laying vehicle to move forwards, a distance measuring sensor at the front end of the laying vehicle detects the height of a pipe groove foundation, detected data are transmitted to a central processing mechanism, after analysis processing of the central processing mechanism, a first electric telescopic rod at a corresponding position is controlled to adjust the length, so that the position of an adjusting plate is adjusted, the discharge amount of a discharging position is changed, concrete is placed on the foundation through a discharging pipe, a material processing plate 19 below a vehicle body shapes the concrete in the advancing process of the laying vehicle, the middle position of the material processing plate is sunken downwards, and after the concrete is cured, the supporting beam is manufactured;
step five: the pipeline is preassembled, the pipeline is hung to the supporting beam by a crane, and the stable placement of the position of the pipeline is realized through the groove on the supporting beam;
Step six: erecting a template, rotating a threaded sleeve, adjusting the distance between one end of the threaded sleeve and the template, knocking an insertion rod below the template into a foundation until a lower pressure rod at the top of the template is attached to a pipeline, wherein the lower pressure rod provides inward and downward thrust at the top end of the pipeline to stabilize the position of the pipeline, the threaded sleeve positioned on the outer side of the template is in contact with a roadbed, the top end of the template is supported, and the possibility of deformation of the template is reduced;
step seven: backfilling concrete, namely putting the concrete into a crack between a template and a pipeline, wherein the height of the concrete is 3/4 of the pipeline, removing the template after the concrete is cured, filling gravel on the outer side of the concrete, fixing a straight template between the concrete and the gravel when the straight template is filled to a position close to the concrete, arranging the straight template higher than the upper end face of the roadbed, backfilling the concrete again to finish the covering of the pipeline, and completing gravel backfilling at gaps after the straight template is removed, namely finishing the installation of the pipeline;
the automatic feeding device is characterized in that a driving motor for driving the laying vehicle is arranged on the laying vehicle, a bearing groove and a central processing mechanism are arranged on the laying vehicle, a material arranging plate is rotatably connected below the rear end of the laying vehicle, a distance measuring sensor is vertically and fixedly connected to the front end of the laying vehicle, a discharging pipe is communicated below the bearing groove, an adjusting plate is embedded in the discharging pipe in a sliding manner, a first electric telescopic rod fixedly connected with the adjusting plate is arranged on one side of the adjusting plate and corresponds to the distance measuring sensor, and a material conveying pipe communicated with external materials is arranged above the bearing groove;
The lower portion of the template is fixedly connected with an inserting rod, the top end of the template is vertically and fixedly connected with a lower pressing rod in a V-shaped structure, one side of the lower pressing rod opposite to the lower pressing rod is fixedly connected with a threaded rod, and the outer side of the threaded rod is in threaded connection with a threaded sleeve.
Preferably, the paver rear end is slided and is inlayed the transfer line, and transfer line top fixedly connected with infrared generator, fixedly connected with is used for the vertical altitude mixture control's of transfer line second electric telescopic handle on the paver, infrared generator corresponds and is provided with infrared receiver, and is provided with a plurality of receiving points along vertical direction on the infrared receiver.
Preferably, two connecting blocks of lower terminal surface fixedly connected with of transfer line, and the internal rotation of two connecting blocks is connected with the sleeve, telescopic internal rotation is connected with the bolt, threaded connection between bolt and the reason flitch, it is the arc structure to reason flitch longitudinal section, and the end of reason flitch is provided with the pneumatic cylinder to the both ends of pneumatic cylinder are equallyd divide do not with the transfer line and are managed to rotate between the flitch and be connected.
In summary, the present invention includes at least one of the following beneficial effects:
by arranging the laying vehicle, the distance sensor on the laying vehicle is matched with the first electric telescopic rod to realize convenient control on the blanking amount, so that adjustment on uneven road surfaces is facilitated, meanwhile, the position adjustment on the material arranging plate is realized through the infrared mechanism, the upper end surface of the supporting beam is ensured to be regular, and a good supporting effect on a pipeline is realized; peg graft between grafting pole and the ground is passed through to the bottom of template, and the top sets up the depression bar and when pushing down the pipeline to guarantee that the pipeline remains stable under the effect of concrete, convenient length adjustment is realized to the swivel nut on template top and threaded rod, thereby realizes supporting the tube seat inner wall, promotes stability, the security of template.
Drawings
Fig. 1 is a schematic diagram of a longitudinal section structure of a roadbed according to the embodiment of the invention.
Fig. 2 is a schematic structural view of a support beam laying vehicle according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a blanking control mechanism according to an embodiment of the invention.
Fig. 4 is a schematic diagram of a material arrangement plate structure according to an embodiment of the invention.
FIG. 5 is a schematic structural diagram of a material arranging plate mounting mechanism according to an embodiment of the invention.
Description of reference numerals: 1. a pipeline; 2. a support beam; 3. a template; 4. a lower pressure lever; 5. a threaded sleeve; 6. a threaded rod; 7. a plug rod; 8. laying vehicles; 10. a drive motor; 11. a bearing groove; 12. a discharging pipe; 13. a central processing mechanism; 14. a ranging sensor; 15. a first electric telescopic rod; 16. a delivery pipe; 17. a transmission rod; 18. a second electric telescopic rod; 19. a material arranging plate; 20. an infrared generator; 21. an infrared receiver; 22. a hydraulic cylinder; 23. connecting blocks; 24. a sleeve; 25. a bolt; 26. an adjusting plate.
Detailed Description
The present invention is described in further detail below with reference to figures 1-5.
The embodiment of the invention discloses a construction method for backfilling drainage pipeline supports in a complex section for highway construction. Referring to fig. 1-5, a construction method for backfilling drainage pipe supports in a complex section for highway construction comprises the following steps: the method comprises the following steps: construction preparation, namely processing a construction site according to a design drawing, drawing a construction contour line, determining a level point elevation, preparing construction materials, and positioning machines and personnel;
Step two: excavating the pipe trench, calculating and determining the excavation width according to the designed trench bottom width, excavation depth and slope gradient, adopting a backhoe excavator to perform backward excavation, and performing in the direction of reverse water flow slope;
step three: leveling the foundation, after the pipe groove is excavated, measuring the elevation of the pipe bottom, and tamping the soil body at the bottom;
step four: a supporting beam 2 is manufactured, a crane places a laying vehicle 8 into a pipe chute, a conveying mechanism conveys materials into a bearing groove 11 through a conveying pipe 16, a driving motor 10 drives the laying vehicle 8 to move forwards, a distance measuring sensor 14 positioned at the front end of the laying vehicle 8 detects the height of a pipe chute foundation, detected data are transmitted into a central processing mechanism 13, after the central processing mechanism 13 analyzes and processes the detected data, a first electric telescopic rod 15 at a corresponding position is controlled to adjust the length, so that the position of an adjusting plate 26 is adjusted, the discharge amount at a discharging position is changed, concrete is stood on the foundation through a discharging pipe 12, a material arranging plate 19 positioned below a vehicle body shapes the concrete during the advancing process of the laying vehicle 8, the middle position is sunken downwards, and after the concrete is cured, the supporting beam 2 is manufactured;
step five: the method comprises the following steps that (1) a pipeline is preassembled, a crane lifts the pipeline 1 to a support beam 2, and stable placement of the position of the pipeline 1 is achieved through a groove in the support beam 2;
Step six: erecting a template 3, rotating a threaded sleeve 5, adjusting the distance between one end of the threaded sleeve 5 and the template 3, knocking an insertion rod 7 below the template 3 into a foundation until a lower pressing rod 4 at the top of the template 3 is attached to the pipeline 1, wherein the lower pressing rod 4 provides inward and downward thrust at the top end of the pipeline 1 to stabilize the position of the pipeline 1, and the threaded sleeve 5 positioned on the outer side of the template 3 is in contact with a roadbed to support the top end of the template 3, so that the possibility of deformation of the template 3 is reduced;
step seven: backfilling concrete, namely putting the concrete into a crack between the template 3 and the pipeline 1, wherein the height of the concrete is 3/4 of the pipeline 1, removing the template 3 after the concrete is cured, filling gravel on the outer side of the concrete, fixing the straight template 3 between the concrete and the gravel when the concrete is filled to a position close to the position of the concrete, arranging the straight template 3 higher than the upper end face of the roadbed, backfilling the concrete again, covering the pipeline 1, and completing gravel backfilling at gaps after removing the straight template 3, namely completing the installation of the pipeline 1;
the laying vehicle 8 is provided with a driving motor 10 for driving the laying vehicle, the laying vehicle 8 is provided with a bearing groove 11 and a central processing mechanism 13, the lower part of the rear end of the laying vehicle 8 is rotatably connected with a material arranging plate 19, the front end of the laying vehicle 8 is vertically and fixedly connected with a distance measuring sensor 14, the lower part of the bearing groove 11 is communicated with a discharging pipe 12, the inner side of the discharging pipe 12 is embedded with an adjusting plate 26 in a sliding way, one side of the adjusting plate 26 is provided with a first electric telescopic rod 15 fixedly connected with the adjusting plate 26, the first electric telescopic rod 15 is arranged corresponding to the distance measuring sensor 14, a material conveying pipe 16 communicated with external materials is arranged above the bearing groove 11, the rear end of the laying vehicle 8 is embedded with a transmission rod 17 in a sliding way, the top end of the transmission rod 17 is fixedly connected with an infrared ray generator 20, the laying vehicle 8 is fixedly connected with a second electric telescopic rod 18 for adjusting the vertical height of the transmission rod 17, the infrared ray generator 20 is correspondingly provided with an infrared receiver 21, and a plurality of receiving points are provided on the infrared receiver 21 in a vertical direction, the infrared receiver 21 receives the infrared rays emitted from the infrared generator 20, when the receiving position of the infrared receiver 21 is deviated, the signal is transmitted to the central processing unit 13 through the signal transmission unit, the height adjustment of the second electric telescopic rod 18 is realized through the control of the central processing mechanism 13, thereby realizing the position change of the material arranging plate 19, ensuring the upper end surface of the supporting beam 2 to be smooth, fixedly connecting the lower end surface of the transmission rod 17 with two connecting blocks 23, and the insides of the two connecting blocks 23 are rotatably connected with sleeves 24, the insides of the sleeves 24 are rotatably connected with bolts 25, the bolts 25 are in threaded connection with the material arranging plate 19, the longitudinal section of the material arranging plate 19 is of an arc-shaped structure, the tail end of the material arranging plate 19 is provided with a hydraulic cylinder 22, two ends of the hydraulic cylinder 22 are respectively connected with the transmission rod 17 and the material sorting plate 19 in a rotating way;
The below fixedly connected with peg graft 7 of template 3, and the perpendicular fixedly connected with in top of template 3 is the lower push rod 4 of V-arrangement structure, and opposite one side fixedly connected with threaded rod 6 of lower push rod 4, and the outside threaded connection of threaded rod 6 has swivel nut 5.
The implementation principle of the drainage pipeline support backfill construction method for the complex section for highway construction in the embodiment of the invention is as follows: a supporting and backfilling construction method for drainage pipelines in complex sections for highway construction comprises the following steps: the method comprises the following steps: construction preparation, namely processing a construction site according to a design drawing, drawing a construction contour line, determining a level point elevation, preparing construction materials, and positioning machines and personnel; excavating the pipe trench, calculating and determining the excavation width according to the designed trench bottom width, excavation depth and slope gradient, adopting a backhoe excavator to perform backward excavation, and performing in the direction of reverse water flow slope; leveling the foundation, after the pipe groove is excavated, measuring the elevation of the pipe bottom, and tamping the soil body at the bottom; a supporting beam 2 is manufactured, a laying vehicle 8 is placed into a pipe chute by a crane, a conveying mechanism conveys materials into a bearing groove 11 through a conveying pipe 16, a distance measuring sensor 14 positioned at the front end of the laying vehicle 8 detects the height of a groove foundation when the driving motor 10 drives the laying vehicle 8 to move forwards, detected data are transmitted to a central processing mechanism 13, after the detection and the processing of the central processing mechanism 13, a first electric telescopic rod 15 at a corresponding position is controlled to adjust the length, so that the position of an adjusting plate 26 is adjusted, the discharge amount at a discharging position is changed, concrete is stood on the foundation through a discharging pipe 12, a material arranging plate 19 positioned below a vehicle body reshapes the concrete during the advancing process of the laying vehicle 8, two infrared receivers 21 are firstly arranged at two horizontal sides of the laying vehicle 8 during the reshaping process, and the infrared rays of an infrared generator 20 are received through the infrared receivers 21, the information is transmitted back to the central processing mechanism 13 for processing, so that the height of the infrared generator 20 is adjusted through the second electric telescopic rod 18, the material arranging plate 19 located below is always kept on the same plane, the middle position of the concrete is sunken downwards through the material arranging plate 19, and after the concrete is cured, the support beam 2 is manufactured; the method comprises the following steps that (1) a pipeline is preassembled, a crane lifts the pipeline 1 to a support beam 2, and stable placement of the position of the pipeline 1 is achieved through a groove in the support beam 2; erecting a template 3, rotating a threaded sleeve 5, adjusting the distance between one end of the threaded sleeve 5 and the template 3, knocking an insertion rod 7 below the template 3 into a foundation until a lower pressing rod 4 at the top of the template 3 is attached to the pipeline 1, wherein the lower pressing rod 4 provides inward and downward thrust at the top end of the pipeline 1 to stabilize the position of the pipeline 1, and the threaded sleeve 5 positioned on the outer side of the template 3 is in contact with a roadbed to support the top end of the template 3, so that the possibility of deformation of the template 3 is reduced; and (2) backfilling concrete, putting the concrete into a crack between the template 3 and the pipeline 1, wherein the height of the concrete is 3/4 of the pipeline 1, removing the template 3 after the concrete is cured, filling gravel outside the concrete, fixing the straight template 3 between the concrete and the gravel when the concrete is filled to a position close to the position of the concrete, wherein the straight template 3 is higher than the upper end surface of the roadbed, backfilling the concrete again, covering the pipeline 1, and backfilling the gravel at a gap after removing the straight template 3, namely, completing the installation of the pipeline 1.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A supporting and backfilling construction method for drainage pipelines in complex sections for highway construction is characterized by comprising the following steps of: the method comprises the following steps: the method comprises the following steps: construction preparation, namely processing a construction site according to a design drawing, drawing a construction contour line, determining a level point elevation, preparing construction materials, and positioning machines and personnel;
Step two: excavating the pipe trench, calculating and determining the excavation width according to the designed trench bottom width, excavation depth and slope gradient, adopting a backhoe excavator to perform backward excavation, and performing in the direction of reverse water flow slope;
step three: leveling the foundation, after the pipe groove is excavated, measuring the elevation of the pipe bottom, and tamping the soil body at the bottom;
step four: a supporting beam (2) is manufactured, a crane places a laying vehicle (8) into a pipe groove, a conveying mechanism conveys materials into a bearing groove (11) through a conveying pipe (16), a distance measuring sensor (14) positioned at the front end of the laying vehicle (8) detects the height of a pipe groove foundation in the forward movement process of the driving motor (10) driving the laying vehicle (8), detected data are transmitted into a central processing mechanism (13), after analysis processing of the central processing mechanism (13), a first electric telescopic rod (15) at a corresponding position is controlled to adjust the length, further position adjustment of an adjusting plate (26) is realized, the discharge amount of a blanking position is changed, concrete stands on the foundation through a blanking pipe (12), a material processing plate (19) positioned below a vehicle body shapes the concrete in the forward movement process of the laying vehicle (8), the middle position of the concrete is sunken downwards, and after the concrete is solidified, the support beam (2) is manufactured;
Step five: the pipeline (1) is preassembled, the pipeline (1) is hung to the supporting beam (2) by a crane, and the stable placement of the position of the pipeline (1) is realized through the groove on the supporting beam (2);
step six: erecting a template (3), rotating a threaded sleeve (5), adjusting the distance between one end of the threaded sleeve (5) and the template (3), knocking an insertion rod (7) below the template (3) into a foundation until a lower pressure rod (4) at the top of the template (3) is attached to a pipeline (1), providing inward and downward thrust at the top end of the pipeline (1) by the lower pressure rod (4), stabilizing the position of the pipeline (1), contacting the threaded sleeve (5) positioned on the outer side of the template (3) with the roadbed, supporting the top end of the template (3), and reducing the possibility of deformation of the template (3);
step seven: backfilling concrete, namely putting the concrete into a crack between the template (3) and the pipeline (1), wherein the height of the concrete is 3/4 of the pipeline (1), removing the template (3) after the concrete is cured, filling gravel on the outer side of the concrete, fixing a straight template (3) between the concrete and the gravel when the concrete is filled to a position close to the position of the concrete, setting the straight template (3) to be higher than the upper end face of the roadbed, backfilling the concrete again to complete the covering of the pipeline (1), and completing backfilling the gravel in gaps after removing the straight template (3), namely completing the installation of the pipeline (1);
The automatic feeding and discharging device is characterized in that a driving motor (10) for driving the laying vehicle (8) is arranged on the laying vehicle (8), a bearing groove (11) and a central processing mechanism (13) are formed in the laying vehicle (8), a material arranging plate (19) is rotatably connected to the lower portion of the rear end of the laying vehicle (8), a distance measuring sensor (14) is vertically and fixedly connected to the front end of the laying vehicle (8), a discharging pipe (12) is communicated with the lower portion of the bearing groove (11), an adjusting plate (26) is slidably embedded in the inner side of the discharging pipe (12), a first electric telescopic rod (15) fixedly connected with the adjusting plate (26) is arranged on one side of the adjusting plate (26), the first electric telescopic rod (15) is arranged corresponding to the distance measuring sensor (14), and a material conveying pipe (16) communicated with external materials is arranged above the bearing groove (11);
the lower part of the template (3) is fixedly connected with a plug-in rod (7), the top end of the template (3) is vertically and fixedly connected with a lower pressing rod (4) which is of a V-shaped structure, one opposite side of the lower pressing rod (4) is fixedly connected with a threaded rod (6), and the outer side of the threaded rod (6) is in threaded connection with a threaded sleeve (5).
2. The backfill construction method for the drainage pipeline support in the complex section for the road construction according to the claim 1 is characterized in that: laying vehicle (8) rear end cunning has inlayed transfer line (17), and transfer line (17) top fixedly connected with infrared generator (20), fixedly connected with is used for second electric telescopic handle (18) of the vertical altitude mixture control of transfer line (17) on laying vehicle (8), infrared generator (20) correspond and are provided with infrared receiver (21), and infrared receiver (21) go up and are provided with a plurality of receiving points along vertical direction.
3. The backfill construction method for the drainage pipeline support of the complex section for the road construction according to the claim 2, characterized in that: two connecting blocks (23) of lower terminal surface fixedly connected with of transfer line (17), and the inside rotation of two connecting blocks (23) is connected with sleeve (24), the inside rotation of sleeve (24) is connected with bolt (25), threaded connection between bolt (25) and the reason flitch (19), it is the arc structure to reason flitch (19) longitudinal section, and the end of reason flitch (19) is provided with pneumatic cylinder (22) to the both ends of pneumatic cylinder (22) are equallyd divide do not with transfer line (17) and are managed and rotate between flitch (19) and be connected.
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| CN202111055688.XA CN113700007B (en) | 2021-09-09 | 2021-09-09 | Construction method for backfilling drainage pipeline support of road construction at complex section |
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