CN111472789B - Pipe jacking construction process - Google Patents
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- CN111472789B CN111472789B CN202010352825.5A CN202010352825A CN111472789B CN 111472789 B CN111472789 B CN 111472789B CN 202010352825 A CN202010352825 A CN 202010352825A CN 111472789 B CN111472789 B CN 111472789B
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- 238000010276 construction Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000008569 process Effects 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 50
- 239000010959 steel Substances 0.000 claims abstract description 50
- 239000000463 material Substances 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 11
- 238000009417 prefabrication Methods 0.000 claims 1
- 230000007306 turnover Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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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Abstract
The invention relates to a pipe jacking construction process, which comprises the steps of determining a jacking route and digging a working well at the middle section of the jacking route; the embedded steel plate and the support rod are hung in the working well by using the truss hanging equipment, so that the embedded steel plate is stably attached to the bottom position of the working well, and the embedded steel plate is fixed at the bottom position of the working well through the mounting nut; the rod end of the support rod is abutted against the hole wall of the working rib and is fastened with the embedded bolt on the inner wall of the working well through the nut; hoisting and conveying the single unit pipe joint to the material receiving sliding frame, so that the pipe orifice of the unit pipe joint corresponds to the orifice of the well hole; the jack is linked with the push plate to move horizontally, and the pushing unit pipe joint is pushed into the well hole to complete the jacking of the single unit pipe joint; until the unit pipe joints are arranged in the well hole, the construction process can show the turnover utilization rate of the machine head, and further can obviously improve the construction efficiency of the jacking pipe.
Description
Technical Field
The invention relates to the technical field of engineering, in particular to a pipe jacking construction process.
Background
The pipe jacking machine is often seen in the conventional mud-water balance (earth pressure balance) construction, in the mud-water balance construction process, the pipe jacking machine can jack the unit pipe joint in one direction at a time, this is because the jack cylinder for jacking the press unit tube section moving towards the opening requires a back rest support, which is arranged in the opposite direction of the jacking, and the above-mentioned back rest is mostly a concrete-formed back rest, before the construction of the unit pipe joint jacking into the opening, the bottom of the working well needs to be made into a backrest by concrete, the backrest can be ensured to be completely solidified after 2 to 3 days, then the jack is installed, so when the pipe jacking operation of the unit pipe joint is carried out, the efficiency is low, when the pipe joint at the other end of the hole is subjected to pipe jacking operation, the track needs to be installed again and the machine head needs to be called again, so that the time is long, and the turnover utilization rate of the machine head is reduced.
Disclosure of Invention
The invention aims to: the pipe jacking construction process can obviously improve the efficiency of pipe jacking construction and can simultaneously realize multi-directional pipe jacking operation of a working well.
The technical problem to be solved in the invention is as follows:
the pipe jacking construction process comprises the following steps:
firstly, determining a jacking route, and digging a working well at the middle section of the jacking route;
secondly, pouring concrete foundation embedded bolts at the bottom of the working well, and arranging the embedded bolts on the inner wall of the working well;
thirdly, digging a foundation pit at the bottom of the working well, pouring concrete in the foundation pit, placing a bottom plate in the foundation pit after the concrete is solidified so as to enable the bottom plate to be placed flatly, pouring the concrete in the foundation pit again, covering the concrete on the bottom plate, arranging reserved bolts at intervals in the circumferential direction of the bottom plate, and arranging embedded bolts on the inner wall of the working well;
fourthly, adjusting a supporting mechanism to enable an included angle between the support rod and the embedded steel plate to be reduced, enabling the rod end of the support rod to be abutted against the hole wall of the working rib, and fastening the support rod with an embedded bolt on the inner wall of the working well through a nut;
fifthly, debugging a hydraulic station, and hoisting and conveying the single unit pipe joint to a material receiving sliding frame to enable the pipe orifice of the unit pipe joint to correspond to the orifice of the well hole;
sixthly, starting the jack, so that a piston rod of the jack is extended, the push plate is linked to move horizontally, and the pipe joint of the pushing unit is pushed into the well hole to complete the jacking of the single pipe joint of the unit;
and seventhly, repeating the fifth step and the sixth step until the unit pipe joints are distributed in the well hole.
The invention also has the following technical characteristics:
the cylinder body of the jack is vertically arranged, the jack is connected with the push plate through the linkage mechanism, and the jack vertically moves and links the push plate to horizontally move.
The circumference direction interval of pre-buried steel sheet is provided with the vaulting pole, the rod end of vaulting pole supports with the inner wall of working well and leans on.
The one end of vaulting pole is articulated with pre-buried steel sheet, the articulated shaft level is arranged, the vaulting pole is connected with bearing structure, supporting mechanism is used for adjusting the contained angle between vaulting pole and the pre-buried steel sheet.
The supporting mechanism is including setting up at supporting roller, supporting roller's wheel core level just is perpendicular with vaulting pole length direction, supporting roller's rim supports with the pole body of vaulting pole and leans on, supporting roller's wheel carrier is fixed on the regulating plate, vertical arrangement has accommodate the lead screw on the regulating plate, the last face of pre-buried steel sheet is stretched out to accommodate the lead screw's upper end, accommodate the lead screw's upper end is provided with adjusting nut.
The supporting rod is of a telescopic rod structure, the front end of the supporting rod is hinged with an arc-shaped top plate, the outer edge of the arc-shaped top plate is abutted against the inner wall of the working well, and a hinged shaft of the arc-shaped top plate is horizontally arranged and is perpendicular to the supporting rod.
The lower end of the push plate and the rail form sliding fit in the horizontal direction, and the rail is horizontally arranged in two rows at intervals in parallel.
The utility model discloses a receiving device, including orbital unit pipe section, connect the material balladeur train, the orbital front end is provided with the receipts material balladeur train that accepts the unit pipe section, it comprises many receipts material slide bar horizontal separation to connect the material balladeur train, many connect material slide bar and track parallel arrangement, many connect the material slide bar to enclose synthetic arc plate structure, connect the material balladeur train and the adjustable cooperation in track constitution length direction's position.
Many connect the both ends of material slide bar to be provided with installation branch, the vertical downwardly extending of installation branch just constitutes an organic whole, the outer fringe of push pedal is whole to be convex platelike structure, the edge of push pedal is provided with dodges the breach, dodge the breach and run through along the length direction of push pedal and arrange, dodge the breach and be used for and connect the material slide bar to form and dodge.
The vertical stand that is provided with on the pre-buried steel sheet, the upper end of stand is provided with the fixed flange dish that is used for fixed jack, the piston rod of jack is vertical downwards and articulated with the one end of push rod, the other end and the push pedal of push rod are articulated, the articulated shaft level at push rod both ends just is perpendicular with the moving direction of push pedal, the bottom prefabricated bottom plate of work well, the vertical reservation bolt that is provided with on the bottom plate, the last face that stretches out fixed flange dish in reservation bolt upper end just is provided with the nut.
Compared with the prior art, the invention has the beneficial effects that: this push pipe construction equipment is in actual work progress, dig in the route middle section position of treating the construction and establish the working well, hang the pre-buried steel sheet of this push pipe construction equipment and send to the low side position of working well, then the installation is fixed, and fix the jack cylinder at the installation position of pre-buried steel sheet, a push pedal symmetry for propelling movement unit coupling sets up on pre-buried steel sheet, start the jack and can realize carrying out the push pipe operation to the two-way well bore of working well, show the turnover utilization ratio of aircraft nose, and then can show the efficiency of construction that improves the push pipe.
Drawings
FIGS. 1 and 2 are schematic structural views of two visual angles of pipe jacking construction equipment in a working well;
FIG. 3 is a schematic structural view of the pipe jacking construction equipment after being located in the working well and being moved out of the bottom plate;
FIG. 4 is a front view of the pipe jacking construction equipment in a work well;
FIG. 5 is a schematic structural view of the pipe jacking construction equipment;
FIG. 6 is a front view of the pipe jacking construction equipment;
FIGS. 7 and 8 are two view structure diagrams of a part of the structure of the pipe jacking construction equipment;
FIG. 9 is a schematic view of the structure of the push plate.
Detailed Description
Referring to fig. 1 to 9, the structural features of the pipe jacking construction equipment are detailed as follows:
a pipe jacking construction device comprises an embedded steel plate 20 arranged in a working well 10, wherein the embedded steel plate 20 is provided with an installation position for fixing a cylinder body of a jack 30, the embedded steel plate 20 is provided with at least two push plates 40 for pushing unit pipe joints, the plate surfaces of the push plates 40 are vertically arranged and symmetrically arranged on the embedded steel plate 20, an oil cylinder of the jack 30 is started and is linked with the push plates 40 to horizontally move, and the linked push plates 40 are abutted against one ends of the unit pipe joints and move towards a hole of the working well 10;
referring to fig. 1 to 5, before the pipe jacking equipment is hoisted into a working well 10, the working well 10 needs to be excavated, the working well 10 is excavated at the middle section of a pipe jacking construction path, a mounting bolt is reserved in the working well 10 in advance for mounting an embedded steel plate 20, the embedded steel plate 20 is hoisted into a working rib 10 by using a truss crane and is fixed by the embedded bolt, then a cylinder body of a jack 30 is mounted on a mounting position of the embedded steel plate 20, the jack 30 is started, and a push plate 40 is linked to be jacked towards respective hole openings, so that the pipe jacking operation of the working well 10 is carried out at the same time in two directions, when a machine head on one side of a well bore of the working well fails, the other side of the working well can normally advance, and the serious problem of shutdown of the whole engineering caused by the machine head failure in the process of unidirectional jacking is reduced.
As a preferred scheme of the present invention, in order to reduce the lateral space of the working well 10 occupied by the jack 30 and leave sufficient lateral space for arranging other equipment in the working well 10, the cylinder of the jack 30 is vertically arranged, the jack 30 is connected with the push plate 40 through the linkage mechanism, the jack 30 vertically moves and the linkage push plate 40 horizontally moves;
the jack 30 vertically moves to convert the vertical movement into the horizontal movement of the push plate 40, so that the jacking operation of one end of the unit pipe joint is realized, the jacking pipe is gradually jacked, the construction operation is completed, the jack 30 is vertically arranged, the horizontal occupied space of the jack 30 in the working well 10 is small, and sufficient space is reserved for installing other equipment.
In order to realize stable and reliable installation of the embedded steel plate 20, support rods 50 are arranged at intervals in the circumferential direction of the embedded steel plate 20, and rod ends of the support rods 50 are abutted against the inner wall of the working well 10;
firstly, the embedded steel plate 20 is hung in the working well 10 by using the truss hanging equipment and is stably installed, and the rod end of the support rod 50 is abutted against and installed on the inner wall of the working well 10, so that the embedded steel plate 20 can be effectively fixedly installed, and the embedded steel plate 20 is prevented from being lifted under the reverse action of the jack 30 during working;
in order to realize effective abutting of the stay bar 50 and the inner wall of the working well 10 and ensure stable installation of the whole equipment, one end of the stay bar 50 is hinged with the embedded steel plate 20, the hinged shaft is horizontally arranged, the stay bar 50 is connected with a supporting structure, and the supporting mechanism is used for adjusting an included angle between the stay bar 50 and the embedded steel plate 20;
when the pre-buried steel sheet 20 is sent to the equipment that hangs of purlin, vaulting pole 50 extends to one side to pre-buried steel sheet 20 horizontality sinks into the shaft bottom position of working well 10, and then the rod end of vaulting pole 50 supports with the inner wall of working well 10 and leans on, adjusts supporting mechanism, reduces the contained angle between vaulting pole 50 and the pre-buried steel sheet 20, makes the contained angle diminish, and then can make the rod end of vaulting pole 50 and the inner wall of working well 10 stably support and lean on, in order to ensure the tight installation operation in top to whole equipment.
In order to adjust the included angle between the support rod 50 and the embedded steel plate 20, the support mechanism comprises a support roller 51, the wheel core of the support roller 51 is horizontal and vertical to the length direction of the support rod 50, the wheel rim of the support roller 51 is abutted against the rod body of the support rod 50, the wheel carrier of the support roller 51 is fixed on an adjusting plate 52, an adjusting screw 53 is vertically arranged on the adjusting plate 52, the upper end of the adjusting screw 53 extends out of the upper plate surface of the embedded steel plate 20, and an adjusting nut 54 is arranged at the upper end of the adjusting screw 53;
during actual adjusting operation, after the embedded steel plate 20 is hung at the shaft bottom of the working well 10, the adjusting nut 54 is screwed by using a large wrench tool, so that the adjusting plate 52 is lifted upwards, the supporting roller 51 moves towards the rod end of the supporting rod 51, and an included angle between the supporting rod 51 and the embedded steel plate 20 is reduced, so that the embedded steel plate 20 can be effectively fixed in the working well 10, and effective fixing of equipment is realized.
More specifically, the stay bar 50 is of a telescopic rod structure, the front end of the stay bar 50 is hinged with an arc-shaped top plate 55, the outer edge of the arc-shaped top plate 55 abuts against the inner wall of the working well 10, and the hinged shaft of the arc-shaped top plate 55 is horizontal and is perpendicular to the stay bar 50;
In order to realize horizontal progressive pushing of the unit pipe joints, the lower end of the push plate 40 and the rail 60 form sliding fit in the horizontal direction, and the rail 60 is horizontally arranged in two rows at intervals in parallel.
More preferably, a material receiving carriage 61 for receiving a unit pipe joint is arranged at the front end of the rail 60, the material receiving carriage 61 is formed by a plurality of material receiving slide bars 611 at horizontal intervals, the plurality of material receiving slide bars 611 are arranged in parallel with the rail 60, the plurality of material receiving slide bars 611 surround to form an arc-shaped plate structure, and the material receiving carriage 61 and the rail 60 form position adjustable matching in the length direction;
the material receiving sliding frame 61 can effectively pocket a single unit pipe joint, so that the unit pipe joint is in a pipe core horizontal state and is abutted against the rod body of the material receiving sliding rod 611, the jack 30 is started, the push plate 40 moves horizontally and is parallel to the moving direction of the material receiving sliding rod 611, and the unit pipe joint can be effectively pushed into a well hole horizontally, so that the unit pipe joint can be pushed gradually.
More specifically, in order to effectively push the unit pipe joints into the well and separate the unit pipe joints from the carriage 61, mounting support rods 612 are arranged at two ends of the material receiving slide bars 611, the mounting support rods 612 extend vertically and downwardly and form a whole, the outer edge of the push plate 40 is integrally in a circular arc-shaped plate-shaped structure, an avoiding notch 41 is arranged at the edge of the push plate 40, the avoiding notch 41 is arranged in a penetrating manner along the length direction of the push plate 40, and the avoiding notch 41 is used for avoiding the material receiving slide bars 611;
after the jack 30 is started, the linkage push plate 40 moves horizontally, the push plate 40 moves horizontally and enables the avoidance gap 41 and the material receiving slide bar 611 to avoid when moving in the horizontal direction, so that the unit pipe joint on the material receiving slide bar 611 can be effectively and gradually jacked from one end of a well hole to complete pipe jacking operation, and the positions of the material receiving sliding frame 61 and the track 60 are adjusted to adapt to the positions of the material receiving sliding frame 61 and the well hole so as to ensure that the unit pipe joint can be effectively separated from the material receiving sliding frame 61 after being jacked into the well hole.
Finally, in order to horizontally drive the push plate 40, an upright column 71 is vertically arranged on the embedded steel plate 20, a fixing flange plate 72 for fixing the jack 30 is arranged at the upper end of the upright column 71, a piston rod of the jack 30 is vertically downward and hinged with one end of a push rod 73, the other end of the push rod 73 is hinged with the push plate 40, hinged shafts at two ends of the push rod 73 are horizontal and perpendicular to the moving direction of the push plate 40, a bottom plate 80 is prefabricated at the bottom of the working well 10, a reserved bolt 81 is vertically arranged on the bottom plate 80, and the upper end of the reserved bolt 81 extends out of the upper plate surface of the fixing flange plate 72 and is provided with a nut;
the piston of the jack 30 is vertically arranged, the cylinder body of the jack 30 can be effectively fixed through the fixing flange plate 72, and when the jack 30 vertically moves and drives the push rod 73, the linkage push plate 40 slides along the track 60, so that the horizontal jacking operation of one end of the unit pipe joint is realized, and the construction of a jacking pipe is completed;
in actual operation, according to the diameter of the working well 10, the number of pipe joints to be pushed, the diameter of the pipe joints and the pushing length, a proper selection is made for the size of the jack 30, when the jack 30 is used in the existing construction, the length of the jack 30 is mostly 1.5m, the diameter of the fixing flange plate 72 is mostly 2m, the diameter of the bottom plate 80 is 2-3 m, the reserved bolts 81 are arranged in 16-24 groups at equal angular intervals along the circumferential direction of the bottom plate 80, and the same number of through holes are arranged on the fixing flange plate 72;
when the jack 30 is installed, the lifting equipment is utilized to hang the jack 30 into the working well 10, then the through holes in the fixing flange plate 72 completely penetrate through the reserved bolts 81, the fixing flange plate 72 is attached to the bottom plate 80, and then the nuts are respectively arranged on the reserved bolts 81, so that the jack 30 can be effectively fixed, and the reliability of fixing the bottom of the working well 10 is ensured.
The above-mentioned stress analysis of the pushing rod 73 of the jack 30 can be concluded that the cylinder of the jack 30 bears the vertical upward reverse component force, and therefore, the prefabricated bottom plate 80 and the reserved bolt 81 are fastened through a plurality of mounting positions, and further, the stable mounting of the equipment is realized.
The pipe-jacking construction process is introduced below, the pipe-jacking construction process uses the above-mentioned equipment, and the pipe-jacking construction process comprises the following steps:
firstly, determining a jacking route, and digging a working well 10 at the middle section of the jacking route;
secondly, pouring concrete foundation embedded bolts at the bottom of the working well 10, and arranging the embedded bolts on the inner wall of the working well in the same way;
thirdly, digging a foundation pit at the bottom of the working well 10, pouring concrete in the foundation pit, placing the bottom plate 80 in the foundation pit after the concrete is solidified, so that the bottom plate 80 is placed flatly, pouring the concrete in the foundation pit again, covering the bottom plate 80 with the concrete, arranging reserved bolts 81 at intervals in the circumferential direction of the bottom plate 80, and arranging embedded bolts on the inner wall of the working well;
fourthly, adjusting a supporting mechanism to enable an included angle between the support rod 50 and the embedded steel plate 20 to be reduced, enabling the rod end of the support rod 50 to be abutted against the hole wall of the working rib 10, and fastening the rod end and the embedded bolt on the inner wall of the working well 10 through a nut;
fifthly, debugging a hydraulic station, namely hoisting and conveying the single unit pipe joint to the material receiving sliding frame 61, so that the pipe orifice of the unit pipe joint corresponds to the orifice of the well hole;
sixthly, starting the jack 30 to enable a piston rod of the jack 30 to extend, linking the push plate 40 to move horizontally, pushing the unit pipe joint into the well hole, and completing jacking of the single unit pipe joint;
and seventhly, repeating the fifth step and the sixth step until the unit pipe joints are distributed in the well hole.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The pipe jacking construction process is characterized in that: the pipe jacking construction process comprises the following steps:
firstly, determining a jacking route, and digging a working well (10) at the middle section of the jacking route;
secondly, digging a foundation pit at the bottom of the working well (10), pouring concrete in the foundation pit, placing a bottom plate (80) in the foundation pit after the concrete is solidified, so that the bottom plate (80) is placed flatly, pouring the concrete in the foundation pit again, covering the concrete on the bottom plate (80), arranging reserved bolts (81) at intervals in the circumferential direction of the bottom plate (80), and arranging embedded bolts on the inner wall of the working well;
thirdly, after the concrete strength rises, hoisting a jack (30) and a support rod (50) in the working well (10) by using truss hoisting equipment to enable the embedded steel plate (20) to be stably attached to the bottom of the working well (10), and fixing the embedded steel plate (20) at the position of a reserved bolt (81) of the working well (10) through a mounting nut;
fourthly, adjusting a supporting mechanism to enable an included angle between the support rod (50) and the embedded steel plate (20) to be small, enabling the rod end of the support rod (50) to be abutted against the hole wall of the working well (10), and fastening the support rod with an embedded bolt on the inner wall of the working well (10) through a nut;
fifthly, debugging a hydraulic station, namely hoisting and conveying the single unit pipe joint to a material receiving sliding frame (61) so that the pipe orifice of the unit pipe joint corresponds to the orifice of the well hole;
sixthly, starting the jack (30) to enable a piston rod of the jack (30) to extend, linking the push plate (40) to move horizontally, pushing the unit pipe joint into the well hole, and completing jacking of the single unit pipe joint;
seventhly, repeating the fifth step and the sixth step until the unit pipe joints are distributed in the well hole;
the embedded steel plate (20) is provided with an installation position for fixing a cylinder body of the jack (30), the embedded steel plate (20) is provided with at least two push plates (40) for pushing the unit pipe joints, the surfaces of the push plates (40) are vertically arranged and symmetrically arranged on the embedded steel plate (20), an oil cylinder of the jack (30) is started and is linked with the push plates (40) to horizontally move, and the linked push plates (40) are abutted against one ends of the unit pipe joints and move towards the opening of the working well (10);
the cylinder body of the jack (30) is vertically arranged, the jack (30) is connected with the push plate (40) through the linkage mechanism, and the jack (30) vertically moves and is linked with the push plate (40) to horizontally move.
2. The pipe jacking construction process according to claim 1, wherein: and support rods (50) are arranged at intervals in the circumferential direction of the embedded steel plate (20), and rod ends of the support rods (50) are abutted against the inner wall of the working well (10).
3. The pipe jacking construction process according to claim 2, wherein: the one end of vaulting pole (50) is articulated with pre-buried steel sheet (20), vaulting pole (50) are arranged with the articulated shaft level of pre-buried steel sheet (20), vaulting pole (50) are connected with supporting mechanism, supporting mechanism is used for adjusting the contained angle between vaulting pole (50) and pre-buried steel sheet (20).
4. The pipe jacking construction process according to claim 3, wherein: the supporting mechanism comprises a supporting roller (51), the wheel core level of the supporting roller (51) is perpendicular to the length direction of a support rod (50), the wheel rim of the supporting roller (51) is abutted to the rod body of the support rod (50), the wheel carrier of the supporting roller (51) is fixed on an adjusting plate (52), an adjusting screw rod (53) is vertically arranged on the adjusting plate (52), the upper end of the adjusting screw rod (53) extends out of the upper plate surface of a pre-embedded steel plate (20), and an adjusting nut (54) is arranged at the upper end of the adjusting screw rod (53).
5. The pipe jacking construction process according to claim 4, wherein: vaulting pole (50) are telescopic rod structure, the front end of vaulting pole (50) is articulated to be provided with arc roof (55), the outer fringe of arc roof (55) supports with the inner wall of working well (10) and leans on, the articulated shaft level of arc roof (55) just arranges with vaulting pole (50) are perpendicular.
6. The pipe jacking construction process according to claim 2, wherein: the lower end of the push plate (40) and the rail (60) form sliding fit in the horizontal direction, and the rail (60) is horizontally arranged in two rows at intervals in parallel.
7. The pipe jacking construction process according to claim 6, wherein: the front end of track (60) is provided with connects material balladeur train (61) of accepting the unit tube section, connect material balladeur train (61) to constitute by many material receiving slide bars (611) horizontal interval, many material receiving slide bars (611) and track (60) parallel arrangement, many material receiving slide bars (611) enclose into the arc structure, connect material balladeur train (61) and track (60) to constitute the adjustable cooperation in length direction's position.
8. The pipe jacking construction process according to claim 7, wherein: many connect the both ends of material slide bar (611) to be provided with installation branch (612), the vertical downwardly extending of installation branch (612) just constitutes integratively, the whole arc platelike structure that is of outer fringe of push pedal (40), the edge of push pedal (40) is provided with dodges breach (41), dodge breach (41) and run through along the length direction of push pedal (40) and arrange, dodge breach (41) be used for with connect material slide bar (611) to form dodge.
9. The pipe jacking construction process according to claim 8, wherein: vertical stand (71) that is provided with on pre-buried steel sheet (20), the upper end of stand (71) is provided with mounting flange dish (72) that are used for fixed jack (30), the piston rod of jack (30) is vertical downwards and articulated with the one end of push rod (73), the other end and the push pedal (40) of push rod (73) are articulated, the articulated shaft level at push rod (73) both ends just is perpendicular with the moving direction of push pedal (40), the bottom prefabrication of working well (10) has bottom plate (80), vertically on bottom plate (80) be provided with reserve bolt (81), the last face that mounting flange dish (72) were stretched out to reserve bolt (81) upper end just is provided with the nut.
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| CN202010352825.5A CN111472789B (en) | 2020-04-29 | 2020-04-29 | Pipe jacking construction process |
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| CN202010352825.5A CN111472789B (en) | 2020-04-29 | 2020-04-29 | Pipe jacking construction process |
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| CN113322979B (en) * | 2021-06-10 | 2022-05-17 | 北京市政建设集团有限责任公司 | Novel supporting construction of combined prefabricated assembled push pipe working well |
| CN113551080B (en) * | 2021-07-30 | 2022-04-22 | 中冶建工集团有限公司 | Construction method for positioning and installing underground parallel pipelines |
| CN114109444B (en) * | 2021-11-04 | 2022-09-27 | 广东水电二局股份有限公司 | Tunnel pouring construction method |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101701523A (en) * | 2009-11-23 | 2010-05-05 | 郭壮 | Grating type trenchless prop excavating equipment and trenchless prop method tunnel excavating process |
| CN101922297A (en) * | 2010-08-23 | 2010-12-22 | 上海广联建设发展有限公司 | Synchronous towing, pushing and tunneling device of underground box culvert or pipeline construction |
| CN202731925U (en) * | 2012-07-19 | 2013-02-13 | 李文军 | Jacking type pipeline heading machine |
| CN102943489A (en) * | 2012-11-30 | 2013-02-27 | 上海市机械施工有限公司 | System for tube push bench to go out of starting well and unkenneling construction method of tube push bench |
| CN104265302A (en) * | 2014-08-06 | 2015-01-07 | 上海隧道工程有限公司 | Pipe jacking pipe joint retaining device |
| JP2015034427A (en) * | 2013-08-09 | 2015-02-19 | 機動建設工業株式会社 | Shield machine |
| CN104500085A (en) * | 2014-12-19 | 2015-04-08 | 北京首尔工程技术有限公司 | Spiral unearthed following jacking pipe curtain machine |
| CN105257298A (en) * | 2015-11-06 | 2016-01-20 | 上海隧道工程有限公司 | Main jacking apparatus of stepper tube push bench |
| JP6218180B2 (en) * | 2014-06-20 | 2017-10-25 | 株式会社アルファシビルエンジニアリング | Rectangular section propulsion method |
| CN108980460A (en) * | 2018-07-25 | 2018-12-11 | 中建三局集团有限公司 | A kind of two-way push pipe and its application method in jacking construction |
| CN110195595A (en) * | 2019-05-09 | 2019-09-03 | 上海隧道工程有限公司 | The stopping device and its application method of push-bench section of jurisdiction |
-
2020
- 2020-04-29 CN CN202010352825.5A patent/CN111472789B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101701523A (en) * | 2009-11-23 | 2010-05-05 | 郭壮 | Grating type trenchless prop excavating equipment and trenchless prop method tunnel excavating process |
| CN101922297A (en) * | 2010-08-23 | 2010-12-22 | 上海广联建设发展有限公司 | Synchronous towing, pushing and tunneling device of underground box culvert or pipeline construction |
| CN202731925U (en) * | 2012-07-19 | 2013-02-13 | 李文军 | Jacking type pipeline heading machine |
| CN102943489A (en) * | 2012-11-30 | 2013-02-27 | 上海市机械施工有限公司 | System for tube push bench to go out of starting well and unkenneling construction method of tube push bench |
| JP2015034427A (en) * | 2013-08-09 | 2015-02-19 | 機動建設工業株式会社 | Shield machine |
| JP6218180B2 (en) * | 2014-06-20 | 2017-10-25 | 株式会社アルファシビルエンジニアリング | Rectangular section propulsion method |
| CN104265302A (en) * | 2014-08-06 | 2015-01-07 | 上海隧道工程有限公司 | Pipe jacking pipe joint retaining device |
| CN104500085A (en) * | 2014-12-19 | 2015-04-08 | 北京首尔工程技术有限公司 | Spiral unearthed following jacking pipe curtain machine |
| CN105257298A (en) * | 2015-11-06 | 2016-01-20 | 上海隧道工程有限公司 | Main jacking apparatus of stepper tube push bench |
| CN108980460A (en) * | 2018-07-25 | 2018-12-11 | 中建三局集团有限公司 | A kind of two-way push pipe and its application method in jacking construction |
| CN110195595A (en) * | 2019-05-09 | 2019-09-03 | 上海隧道工程有限公司 | The stopping device and its application method of push-bench section of jurisdiction |
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