CN115354670B - Construction method for backfilling axillary angle of pipeline groove - Google Patents
Construction method for backfilling axillary angle of pipeline groove Download PDFInfo
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- CN115354670B CN115354670B CN202211020791.5A CN202211020791A CN115354670B CN 115354670 B CN115354670 B CN 115354670B CN 202211020791 A CN202211020791 A CN 202211020791A CN 115354670 B CN115354670 B CN 115354670B
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 84
- 239000000945 filler Substances 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000002457 bidirectional effect Effects 0.000 claims description 20
- 239000011083 cement mortar Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- UUTKICFRNVKFRG-WDSKDSINSA-N (4R)-3-[oxo-[(2S)-5-oxo-2-pyrrolidinyl]methyl]-4-thiazolidinecarboxylic acid Chemical compound OC(=O)[C@@H]1CSCN1C(=O)[C@H]1NC(=O)CC1 UUTKICFRNVKFRG-WDSKDSINSA-N 0.000 claims 3
- 210000001503 joint Anatomy 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 101150054854 POU1F1 gene Proteins 0.000 description 17
- 238000005056 compaction Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
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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
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/22—Dredgers or soil-shifting machines for special purposes for making embankments; for back-filling
- E02F5/223—Dredgers or soil-shifting machines for special purposes for making embankments; for back-filling for back-filling
- E02F5/226—Dredgers or soil-shifting machines for special purposes for making embankments; for back-filling for back-filling with means for processing the soil, e.g. screening belts, separators; Padding machines
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Mechanical Engineering (AREA)
- Sewage (AREA)
Abstract
The application relates to a construction method for backfilling axillary angles of a pipeline groove, which relates to the technical field of water supply pipeline installation construction and comprises an installation support frame: two supporting frames are arranged on two sides of the bottom of the pipeline; and (3) installing a pipeline: placing the pipeline in a foundation pit formed in the ground, wherein the pipeline, the first supporting plate and the second supporting plate are all in butt joint with the bottom surface of the foundation pit; pouring filling materials for the first time: passing a filler between a first support plate of feed Kong Jiaru and the side wall of the pipe; tamping for the first time: fixing the position of the pipeline, and adding filling materials between the first supporting plate and the pipeline until the filling materials are discharged from the discharge holes for 10-30 s. The application can improve the backfilling quality of the axillary angle.
Description
Technical Field
The application relates to the technical field of water supply pipeline installation and construction, in particular to a construction method for backfilling the axillary angle of a pipeline groove.
Background
The construction of long-distance pipeline in China is vigorous, the diameter of the pipeline is continuously increased, and the conveying pressure is gradually increased, so that the construction difficulty of backfilling the pipeline is gradually increased.
The pipeline backfilling process is an indispensable part in pipeline laying work, and has the difficulty that the axillary angles are backfilled and are positioned below the pipeline, if a flat plate tamper or a jump tamper is used, the pipeline is easy to damage due to high working strength, so that the pipeline is usually manually trampled in the actual construction process, the manual trampling is time-consuming and labor-consuming, the adjustment cannot be carried out according to the force of each person, the compaction quality is uneven, and the construction quality cannot be ensured.
Disclosure of Invention
In order to improve the backfill quality of the axillary angle, the application provides a construction method for backfilling the axillary angle of a pipeline groove.
The application provides a construction method for backfilling the axillary angle of a pipeline groove, which adopts the following technical scheme:
A construction method for backfilling the axillary angle of a pipeline groove comprises the following steps:
And (3) installing a supporting frame: symmetrically installing two support frames on two sides of the bottom of the pipeline;
The support frame comprises a first support plate which is horizontally arranged, the length direction of the first support plate is the same as the length direction of the pipeline, and the first support plate is fixedly connected with the pipeline; the two ends of the length direction of the first supporting plate are fixedly provided with second supporting plates, the second supporting plates are vertically arranged, the vertical planes of the second supporting plates are perpendicular to the vertical planes of the first supporting plates, and one side, close to the pipeline, of each second supporting plate is attached to the outer wall of the pipeline;
the top of the first supporting plate is provided with a discharging hole, and the bottom of the first supporting plate is provided with a feeding hole;
And (3) installing a pipeline: placing the pipeline in a foundation pit formed in the ground, wherein the pipeline, the first supporting plate and the second supporting plate are all in butt joint with the bottom surface of the foundation pit;
pouring filling materials for the first time: passing a filler between a first support plate of feed Kong Jiaru and the side wall of the pipe;
Tamping for the first time: and fixing the position of the pipeline through an auxiliary device, and adding filling materials between the first supporting plate and the pipeline through the feeding holes until the filling materials are discharged from the discharging holes continuously for 10-30 s.
By adopting the technical scheme, the first support plate, the second support plate and the outer wall of the pipeline form a filling and backfilling space, and the filling material is added into the backfilling space through the feeding hole, so that the filling material fills the whole filling space, and when the filling material is discharged from the discharging hole, the filling material is indicated to fill the whole filling space; and then continuously adding the filling material into the filling space, and extruding the original filling material in the filling space by adding the new filling material, so that the filling material in the filling space can be extruded in multiple directions, the backfilling quality of the axillary angle is improved, and when the filling material is continuously discharged from the discharge hole for 10-30 seconds, the tamping of the filling material for the first time is completed.
Optionally, after the first tamping, the method further comprises the following steps:
and (3) pouring filling materials for the second time: filling materials are added into the foundation pit, and when the top surface of the filling materials in the foundation pit is positioned on the horizontal plane where the axis of the pipeline is positioned, the filling materials are stopped being added;
and (3) tamping for the second time: fixing the position of the pipeline through an auxiliary device and compacting the filler in the foundation pit;
And pouring filling materials for the third time: filling materials are added into the foundation pit, and when the top surface of the filling materials in the foundation pit is level with the ground, the filling materials are stopped being added;
third tamping: and compacting the filling material in the foundation pit through an auxiliary device.
Through adopting above-mentioned technical scheme, when directly carrying out the third ramming step, the foundation ditch internal filler is more for the partial filler of foundation ditch bottom receives compresses tightly the effect less, and then leads to the quality that the armpit angle was backfilled lower, and the second ramming can play further compaction effect to the filler of foundation ditch bottom, thereby has further improved the armpit angle and backfilled the quality.
Optionally, before installing the support frame, the method further comprises the following steps;
And (3) installing a supporting net: and horizontally installing the support net at the bottom of the foundation pit, adding the filling material into the foundation pit, and stopping adding the filling material into the foundation pit when the top surface of the filling material is level with the top surface of the support net.
Through adopting above-mentioned technical scheme, the foundation ditch bottom surface probably has the rugged condition, when directly placing pipeline and support frame in the foundation ditch, pipeline, first backup pad, second backup pad can't simultaneously with foundation ditch bottom surface butt for there is the gap between first backup pad or second backup pad and the foundation ditch bottom surface, when leading to the filler to adding in to filling space, the filler can flow out from the gap, influence the quality that the pipeline armpit angle was backfilled, the installation of support net makes pipeline, first backup pad, second backup pad can simultaneously with support net butt, avoid the filler in the filling space to flow out from the gap, thereby further improved the armpit angle backfill quality.
Optionally, the support mesh is capable of deforming when the solidified filler is crushed by extrusion.
Through adopting above-mentioned technical scheme for the supporting capacity of supporting network and filler is the same, when the supporting capacity of supporting network is greater than the supporting capacity of filler, if the pipeline takes place to remove under the exogenic action, produces stronger extrusion between higher supporting network of intensity and the pipeline, can produce the destruction to pipeline structure, thereby has reduced the pipeline and has received the possibility of destruction when taking place to remove.
Optionally, the filling material is cement mortar, and the weight ratio of cement to sand in the cement mortar is 1 (8-20).
Through adopting above-mentioned technical scheme for when the pipeline takes place to remove under the exogenic action, cement mortar is broken by the extrusion easily, avoids cement mortar intensity too high, and then avoids taking place to extrude between cement mortar and the pipeline, thereby has further reduced the pipeline and has received the possibility of destruction when taking place to remove.
Optionally, auxiliary device includes mounting platform, and mounting platform level sets up in the foundation ditch top, is provided with locating component on the mounting platform, and locating component includes the first cylinder of vertical setting, first cylinder stiff end and mounting platform fixed connection, fixedly connected with locating plate on the first cylinder movable end, and the locating plate is located first cylinder below, and locating plate bottom surface and pipeline top outer wall laminating set up.
Through adopting above-mentioned technical scheme, when fixing the pipeline position, start first cylinder, first cylinder expansion end drives the locating plate and moves down for locating plate bottom surface and pipeline outer wall butt, the pipeline is fixed in the foundation ditch under the combined action of supporting network and locating plate this moment.
Optionally, a compressing assembly and a transmission assembly are arranged on the mounting platform, the compressing assembly comprises a second cylinder and a third cylinder which are vertically arranged, the fixed end of the second cylinder and the fixed end of the third cylinder are both in sliding connection with the mounting platform along the width direction of the foundation pit, compressing plates which are horizontally arranged are fixedly connected to the movable end of the second cylinder and the movable end of the third cylinder, and the compressing plates are positioned below the second cylinder; the transmission assembly is used for driving the second cylinder and the third cylinder to slide along the width direction of the foundation pit.
By adopting the technical scheme, when the filling material in the foundation pit is compressed, the third cylinder is started, and the movable end of the third cylinder drives the compressing plate to vertically move downwards, so that the filling material in the foundation pit is tightly filled in the foundation pit, and the surface of the compressed filling material is flat; and the transmission assembly can drive the compacting plate to move along the width direction of the foundation pit through the second cylinder and the second cylinder, so that the filling material in the foundation pit can be compacted comprehensively by the compacting plate.
Optionally, a sliding groove is formed in the mounting platform, the length direction of the sliding groove is the same as the width direction of the foundation pit, and the second cylinder fixing end and the third cylinder fixing end are arranged in the sliding groove in a sliding manner along the length direction of the sliding groove; the conveying assembly comprises a motor which is fixedly arranged on the mounting platform; the second cylinder fixed end and the third cylinder fixed end are provided with the same bidirectional screw rod in a penetrating way, and are respectively positioned at two ends of the bidirectional screw rod, the length direction of the bidirectional screw rod is the same as the length direction of the chute, and the bidirectional screw rod is coaxially arranged with the motor output shaft and fixedly connected with the motor output shaft; the second cylinder fixed end and the third cylinder fixed end are in threaded connection with the bidirectional screw rod.
Through adopting above-mentioned technical scheme, the starter motor, motor output shaft drive two-way lead screw rotation, and pivoted two-way lead screw drive second cylinder and third cylinder remove along the length direction of foundation ditch for the packing material in the foundation ditch can be tamped by the pressure strip is comprehensive.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The first support plate, the second support plate and the outer wall of the pipeline form a filling and backfilling space, filling materials are added into the backfilling space through the feeding holes, so that the whole filling space is filled with the filling materials, and when the filling materials are discharged from the discharging holes, the filling materials are indicated to be filled in the whole filling space; then continuously adding the filling material into the filling space, and extruding the original filling material in the filling space by adding the new filling material, so that the filling material in the filling space can be extruded in multiple directions, the backfilling quality of the axillary angle is improved, and when the filling material is continuously discharged from the discharging hole for 10-30 seconds, the tamping of the filling material for the first time is completed;
2. Through the secondary compaction and the third compaction, partial filling materials at the bottom of the foundation pit are subjected to multiple compaction actions, so that the filling materials can be more tightly filled in the foundation pit, and the backfilling quality of the axillary angle is further improved;
3. Through setting up the supporting network, the installation of supporting network makes pipeline, first backup pad, second backup pad can simultaneously with supporting network butt, avoids filling material in the filling space to flow out from the gap to the quality is backfilled to the armpit angle has further been improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present application;
fig. 2 is a cross-sectional view of an embodiment of the present application.
Reference numerals illustrate: 1. a foundation pit; 2. a support net; 3. a pipe; 4. a support frame; 41. a first support plate; 411. a discharge hole; 412. a feed hole; 42. a second support plate; 5. a mounting platform; 51. a chute; 52. a connecting rod; 53. self-locking universal wheels; 6. a positioning assembly; 61. a first cylinder; 62. a positioning plate; 621. a positioning groove; 7. a compression assembly; 71. a second cylinder; 72. a third cylinder; 73. a compacting plate; 8. a transmission assembly; 81. a motor; 82. a bi-directional screw.
Detailed Description
The application is described in further detail below with reference to fig. 1-2.
The embodiment of the application discloses a construction method for backfilling the axillary angle of a pipeline groove. Referring to fig. 1 and 2, the construction method for backfilling the axillary angle of the pipeline groove comprises the following steps:
installing a supporting net 2: the supporting net 2 is horizontally arranged at the bottom of the foundation pit 1, filling materials are uniformly added into the foundation pit 1, and when the top surface of the filling materials is level with the top surface of the supporting net 2, the filling materials are stopped from being added into the foundation pit 1;
Mounting support 4: symmetrically installing two support frames 4 on two sides of the bottom of a horizontally arranged pipeline 3;
The support frame 4 comprises a first support plate 41, the first support plate 41 is horizontally arranged, the length direction of the first support plate 41 is the same as the length direction of the pipeline 3, and the first support plate 41 is fixedly connected with the pipeline 3; the two ends of the length direction of the first supporting plate 41 are fixedly provided with second supporting plates 42, the second supporting plates 42 are vertically arranged, the vertical plane of the second supporting plates is perpendicular to the vertical plane of the first supporting plates 41, and one side, close to the pipeline 3, of each second supporting plate 42 is attached to the outer wall of the pipeline 3; the top of the first supporting plate 41 is provided with a discharging hole 411, and the bottom of the first supporting plate 41 is provided with a feeding hole 412;
Installing a pipeline 3: the pipeline 3 is horizontally placed in a foundation pit 1 formed in the ground, the length direction of the pipeline 3 is the same as the length direction of the foundation pit 1, and the pipeline 3, the first supporting plate 41 and the second supporting plate 42 are all abutted with the top surface of the supporting net 2;
Pouring filling materials for the first time: fixing the position of the pipeline 3 through an auxiliary device, and adding filling materials between the first supporting plate 41 and the side wall of the pipeline 3 through the feeding holes 412;
tamping for the first time: fixing the position of the pipeline 3 through an auxiliary device, continuously adding the filling material between the first supporting plate 41 and the side wall of the pipeline 3 through the feeding hole 412 when the filling material is discharged from the discharging hole 411, and finishing the first tamping when the filling material is discharged from the discharging hole 411 for 10-30 seconds;
and (3) pouring filling materials for the second time: filling materials are added into the foundation pit 1, and when the top surface of the filling materials in the foundation pit 1 is positioned on the horizontal plane where the axis of the pipeline 3 is positioned, the filling materials are stopped being added;
And (3) tamping for the second time: fixing the position of the pipeline 3 through an auxiliary device, and compacting the filler in the foundation pit 1 from the vertical direction through the auxiliary device;
and pouring filling materials for the third time: filling materials are added into the foundation pit 1, and when the top surface of the filling materials in the foundation pit 1 is level with the ground, the filling materials are stopped to be added;
third tamping: after the third filling material pouring is completed, the filling material in the foundation pit 1 is compressed in the vertical direction through an auxiliary device;
When the solidified filler is crushed by extrusion, the support net 2 can deform; the filler is cement mortar, and the weight ratio of cement to sand in the cement mortar is 1 (8-20).
Referring to fig. 1 and 2, the auxiliary device includes a mounting platform 5, the mounting platform 5 is horizontally arranged right above the foundation pit 1, the length direction of the mounting platform 5 is identical to the width direction of the foundation pit 1, a positioning component 6 and a compacting component 7 are arranged on the mounting platform 5, the positioning component 6 is used for fixing the position of the pipeline 3 in the foundation pit 1, and the compacting component 7 is used for compacting cement mortar of the foundation pit 1.
Referring to fig. 1 and 2, the cross section of the mounting platform 5 is rectangular, a sliding groove 51 is formed in the bottom surface of the mounting platform 5, and the length direction of the sliding groove 51 is the same as the length direction of the mounting platform 5; the positioning assembly 6 comprises a first air cylinder 61, wherein the first air cylinder 61 is vertically arranged between the mounting platform 5 and the pipeline 3 and is positioned right above the pipeline 3, and the fixed end of the first air cylinder 61 is fixedly connected with the bottom surface of the mounting platform 5; a positioning plate 62 is horizontally arranged between the movable end of the first air cylinder 61 and the pipeline 3, the positioning plate 62 is positioned right above the pipeline 3 and between the two first support plates 41, and the positioning plate 62 is fixedly connected with the movable end of the first air cylinder 61; the bottom surface of the positioning plate 62 is attached to the outer wall of the top of the pipeline 3.
Referring to fig. 1 and 2, the compressing assembly 7 includes a second cylinder 71 and a third cylinder 72, where the second cylinder 71 and the third cylinder 72 are vertically disposed between the mounting platform 5 and the foundation pit 1 and symmetrically disposed on two sides of the first cylinder 61 along the length direction of the mounting plate, and fixed ends of the second cylinder 71 and the third cylinder 72 are slidably disposed in the chute 51 along the length direction of the chute 51; the compressing plate 73 is fixedly arranged below the movable end of the second air cylinder 71 and below the movable end of the third air cylinder 72, the compressing plate 73 is horizontally arranged, and the length direction of the compressing plate 73 is identical to the length direction of the foundation pit 1.
Referring to fig. 1 and 2, a transmission assembly 8 is arranged on the mounting platform 5, the transmission assembly comprises a motor 81 and a bidirectional screw rod 82, the bidirectional screw rod 82 is horizontally arranged below the mounting platform 5, the length direction of the bidirectional screw rod 82 is the same as the length direction of the mounting platform 5, the bidirectional screw rod 82 is arranged on the fixed end of the second air cylinder 71 and the fixed end of the third air cylinder 72 in a penetrating manner, and the second air cylinder 71 and the third air cylinder 72 are respectively arranged at two ends of the bidirectional screw rod 82 in the length direction and are in threaded connection with the bidirectional screw rod 82; the motor 81 is fixedly arranged on the bottom surface of the mounting platform 5 and is positioned at one end of the bidirectional screw rod 82 in the length direction, and an output shaft of the motor 81 is coaxially arranged with the bidirectional screw rod 82 and is fixedly connected with the bidirectional screw rod 82; the top angle of the bottom surface of the mounting platform 5 is vertically provided with a connecting rod 52, and the bottom end of the connecting rod 52 is fixedly provided with a self-locking universal wheel 53.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. The construction method for backfilling the axillary angle of the pipeline groove is characterized by comprising the following steps of:
Mounting support frame (4): symmetrically installing two supporting frames (4) on two sides of the bottom of the pipeline (3); the support frame (4) comprises a first support plate (41) which is horizontally arranged, the length direction of the first support plate (41) is the same as the length direction of the pipeline (3), and the first support plate (41) is fixedly connected with the pipeline (3); the two ends of the first supporting plate (41) in the length direction are fixedly provided with second supporting plates (42), the second supporting plates (42) are vertically arranged, the vertical planes of the second supporting plates are perpendicular to the vertical planes of the first supporting plates (41), and one side, close to the pipeline (3), of each second supporting plate (42) is attached to the outer wall of the pipeline (3);
a discharge hole (411) is formed in the top of the first supporting plate (41), and a feed hole (412) is formed in the bottom of the first supporting plate (41);
Mounting pipeline (3): placing the pipeline (3) in a foundation pit (1) formed in the ground, wherein the pipeline (3), the first supporting plate (41) and the second supporting plate (42) are all abutted with the bottom surface of the foundation pit (1);
Pouring filling materials for the first time: filling material is added between the first supporting plate (41) and the side wall of the pipeline (3) through the feeding hole (412);
Tamping for the first time: the pipeline (3) is fixed in position through the auxiliary device, the filling material is added between the first supporting plate (41) and the pipeline (3) through the feeding hole (412), and the original filling material in the filling space is extruded by adding the new filling material, so that the filling material in the filling space can be extruded in multiple directions until the discharging hole (411) continuously discharges the filling material for 10-30 s.
2. The construction method for backfilling the axil angle of the pipeline groove according to claim 1, further comprising the following steps after the first tamping:
and (3) pouring filling materials for the second time: filling materials are added into the foundation pit (1), and when the top surface of the filling materials in the foundation pit (1) is positioned on the horizontal plane where the axis of the pipeline (3) is positioned, the filling materials are stopped being added;
and (3) tamping for the second time: fixing the position of the pipeline (3) through an auxiliary device and compacting the filler in the foundation pit (1);
And pouring filling materials for the third time: filling materials are added into the foundation pit (1), and when the top surface of the filling materials in the foundation pit (1) is level with the ground, the filling materials are stopped being added;
third tamping: filling materials in the foundation pit (1) are compressed through the auxiliary device.
3. The construction method for backfilling the axillary angle of the pipeline groove according to claim 2, which is characterized by further comprising the following steps before installing the supporting frame (4);
Installing a supporting net (2): the supporting net (2) is horizontally arranged at the bottom of the foundation pit (1), and filling materials are added into the foundation pit (1), and when the top surface of the filling materials is level with the top surface of the supporting net (2), the filling materials are stopped from being added into the foundation pit (1).
4. A construction method for backfilling the axil angle of a pipe trench according to claim 3, characterized in that the supporting net (2) is deformable when the solidified filler is crushed by extrusion.
5. The construction method for backfilling the axillary angle of the pipeline groove according to claim 1, wherein the filler is cement mortar, and the weight ratio of cement to sand in the cement mortar is 1 (8-20).
6. The construction method for backfilling the axil angle of the pipeline groove according to claim 2, wherein the auxiliary device comprises a mounting platform (5), the mounting platform (5) is horizontally arranged above the foundation pit (1), a positioning component (6) is arranged on the mounting platform (5), the positioning component (6) comprises a first air cylinder (61) which is vertically arranged, the fixed end of the first air cylinder (61) is fixedly connected with the mounting platform (5), a positioning plate (62) is fixedly connected on the movable end of the first air cylinder (61), the positioning plate (62) is positioned below the first air cylinder (61), and the bottom surface of the positioning plate (62) is attached to the outer wall of the top of the pipeline (3).
7. The construction method for backfilling the axillary angle of the pipeline groove according to claim 6, characterized in that a compressing assembly (7) and a transmission assembly (8) are arranged on the mounting platform (5), the compressing assembly (7) comprises a second cylinder (71) and a third cylinder (72) which are vertically arranged, the fixed ends of the second cylinder (71) and the fixed ends of the third cylinder (72) are both in sliding connection with the mounting platform (5) along the width direction of the foundation pit (1), a compressing plate (73) which is horizontally arranged is fixedly connected on the movable end of the second cylinder (71) and the movable end of the third cylinder (72), and the compressing plate (73) is positioned below the second cylinder (71); the transmission assembly (8) is used for driving the second air cylinder (71) and the third air cylinder (72) to slide along the width direction of the foundation pit (1).
8. The construction method for backfilling the axillary angle of the pipeline groove according to claim 7, characterized in that the installation platform (5) is provided with a chute (51), the length direction of the chute (51) is the same as the width direction of the foundation pit (1), and the fixed ends of the second cylinder (71) and the third cylinder (72) are arranged in the chute (51) in a sliding manner along the length direction of the chute (51); the conveying assembly comprises a motor (81), and the motor (81) is fixedly arranged on the mounting platform (5); the fixed end of the second air cylinder (71) and the fixed end of the third air cylinder (72) are provided with the same bidirectional screw rod (82) in a penetrating way, and the bidirectional screw rods are respectively positioned at two ends of the bidirectional screw rod (82), the length direction of the bidirectional screw rod (82) is the same as the length direction of the sliding groove (51), and the bidirectional screw rod (82) is coaxially arranged with the output shaft of the motor (81) and fixedly connected with the output shaft of the motor (81); the fixed ends of the second cylinder (71) and the third cylinder (72) are in threaded connection with a bidirectional screw rod (82).
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| CN202211020791.5A CN115354670B (en) | 2022-08-24 | 2022-08-24 | Construction method for backfilling axillary angle of pipeline groove |
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| CN202211020791.5A CN115354670B (en) | 2022-08-24 | 2022-08-24 | Construction method for backfilling axillary angle of pipeline groove |
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| CN115354670B true CN115354670B (en) | 2024-06-04 |
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| CN114321494A (en) * | 2021-12-25 | 2022-04-12 | 广东冠雄建设集团有限公司 | Municipal pipeline protection structure and construction method thereof |
| CN114837280A (en) * | 2022-05-23 | 2022-08-02 | 华夏天地建设集团有限公司 | Method for laying domestic sewage treatment pipeline |
| CN217174711U (en) * | 2022-03-11 | 2022-08-12 | 中建二局第三建筑工程有限公司 | Tamping tool for filling soil in chest part of axillary corner of pipeline |
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| CN115354670A (en) | 2022-11-18 |
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