CN105134238A - Handpiece-detachable pipe jacking machine applied to pipe screen construction - Google Patents
Handpiece-detachable pipe jacking machine applied to pipe screen construction Download PDFInfo
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- CN105134238A CN105134238A CN201510652802.5A CN201510652802A CN105134238A CN 105134238 A CN105134238 A CN 105134238A CN 201510652802 A CN201510652802 A CN 201510652802A CN 105134238 A CN105134238 A CN 105134238A
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- head
- bench
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- outer tube
- oil cylinder
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Abstract
The invention discloses a handpiece-detachable pipe jacking machine applied to pipe screen construction. The handpiece-detachable pipe jacking machine comprises an outer sleeve, an adjusting oil cylinder, a steel tube jacking cutting edge, a sliding guide rail, a sealing strip and a handpiece, wherein the outer sleeve comprises a supporting shell which is a steel shell; the adjusting oil cylinder is connected between an inner cavity of the supporting shell and the handpiece and is used for adjusting the expansion increment of the handpiece; the steel tube jacking cutting edge is mounted at the front end of the supporting shell; the sliding guide rail is mounted at the bottom of the inner cavity of the supporting shell; the handpiece is detachably mounted on the sliding guide rail of the outer sleeve and is used for excavating soil and transporting residue soil out. The handpiece-detachable pipe jacking machine applied to the pipe screen construction has three working modes and can adapt to more geological conditions. By virtue of an open jacking mode, obstacles in front of the pipe jacking machine can be processed, the expansion increment of the handpiece can be adjusted in a construction process of a pipe screen, and the jacking azimuth deviation can be timely found and adjusted by virtue of a laser guide system.
Description
Technical field
The invention belongs to underground construction tunneling technical field, particularly relate to a kind of head being applied to the construction of pipe curtain and can withdraw formula push-bench.
Background technology
Along with the increase of national economic development and urban population density, developable space, ground is fewer and feweri, to the inexorable trend that underground space development is international metropolis's development, city tunnel engineering particularly solves the underground railway of urban traffic congestion, highway tunnel and various underground passage, antiaircraft tunnel, underground common trench etc. and emerges in multitude.
Pipe-roof method is a kind of novel underground construction tunneling technology, it is the construction method of constructing large span big cross section underground excavation project on the basis of small-caliber steel pipe solid matter supporting, the particularly busy section of, traffic above-ground intensive in urban architecture, an ultra shallow bury and large section construction of tunnel in have very significantly superiority.
At present, in the pipe curtain construction of 200mm-600mm bore, many employing trombone slide methods and rammer tube method, also have the pipe jacking method adopting screw conveyor.Traditional push-bench can only be used at present to carry out jacking construction in the pipe curtain construction of 1500mm-2500mm bore.Exist in work progress when obstruction appears in push-bench front end and cannot process, such as boulder, steel, backfill building waste etc.Once occur that upper art situation can only adopt the way of excavating shaft to solve, thus bring very big hidden danger to jacking construction, also have impact on construction efficiency and construction effect.On the other hand usually push-bench must have received well in the construction of pipe curtain, and head is by reclaiming accepting well.Construction accepts well to be needed to take substantial contribution and time.
Summary of the invention
The object of this invention is to provide a kind of head being applied to the construction of pipe curtain and can withdraw formula push-bench, be intended to solution and adopt existing push-bench in the construction of the pipe curtain of push pipe method cannot process front end obstruction and need the technical problem accepting the scope of operation.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of head being applied to the construction of pipe curtain can withdraw formula push-bench, and it comprises:
Outer tube, described outer tube comprises,
Support housing, described support housing is steel shell;
Regulate oil cylinder, described adjustment oil cylinder is connected in described support housing;
Steel pipe top entrance lip mouth, described steel pipe top entrance lip mouth is arranged on the front end of support housing;
Rail plate, described rail plate is arranged on the bottom of support housing inner chamber;
Band;
Push-bench also comprises: head, and described head is removably mounted on the rail plate of outer tube, for excavating the soil body and being transported by dregs;
Described band is arranged between support housing and head, is formed as stopping that the dregs under the cutterhead cutting of head enters the structure in head and outer tube gap.
The head that the present invention is applied to the construction of pipe curtain as above can withdraw formula push-bench, and further, described head comprises:
Cutterhead, described cutterhead is provided with cutter of backbreaking;
Main shaft reductor, described main shaft reductor is connected with described cutterhead, exporting, driving the cutterhead circumgyration incision soil body for rotary power being carried out deceleration;
Helix transporting device, the dregs that described helix transporting device produces for discharging cutterhead cutting soil.
The head that the present invention is applied to the construction of pipe curtain as above can withdraw formula push-bench, further, described in cutter of backbreaking be set to stretch along cutterhead radial direction.
The head that the present invention is applied to the construction of pipe curtain as above can withdraw formula push-bench, and further, described helix transporting device comprises helical conveyor and deslagging reductor, and described deslagging reductor drives helical conveyor to run.
The head that the present invention is applied to the construction of pipe curtain as above can withdraw formula push-bench, and further, described head also comprises dregs stirring rod, and described dregs stirring rod is fixed in the card of described cutterhead.
The head that the present invention is applied to the construction of pipe curtain as above can withdraw formula push-bench, and further, also comprise deviation-rectifying system, described deviation-rectifying system comprises:
Generating laser, described generating laser is arranged on the rock-steady structure of push-bench rear end, for transmitted reference luminous point;
Survey polarisation target, for receiving benchmark luminous point; The laser transmitter projects of described deviation-rectifying system goes out benchmark luminous point.Then think that jacking orientation and planned course match when described luminous point is positioned at the light target center of outer tube front end, when luminous point is bigger than normal from then thinking during light target center that actual jacking orientation and planned course are misfitted.
Correction oil cylinder, described correction oil cylinder is arranged between the support housing of outer tube and head, for adjusting the jacking direction of head.Preferably, the quantity of described correction oil cylinder is 4, and interval is arranged on described support housing.
The head that the present invention is applied to the construction of pipe curtain as above can withdraw formula push-bench, and further, head is connected by telescopic oil cylinder with the support housing of outer tube.
The invention has the beneficial effects as follows:
The head being applied to the construction of pipe curtain can withdraw formula push-bench and have three kinds of mode of operations: jacking pattern of backbreaking: namely cutterhead exceeds outer tube, advanced cutting soil.Eat native jacking pattern: namely cutterhead is return in outer tube protection domain, by outer tube cutting edge cutting soil, carry out sediment improvement deslagging by head.Open type jacking pattern: withdraw from by head rollback, by jacking of manually slagging tap, can adapt to matter condition more.Open type jacking pattern can process the obstruction that front runs in jack-in process, and when constructing pipe curtain, head can reuse, and jacking azimuth deviation adjusts in time to utilize laser-guided systems to find in real time.
Accompanying drawing explanation
By detailed description done in conjunction with the following drawings, above-mentioned and/or other aspects of the present invention and advantage will become clearer and be easier to understand, and these accompanying drawings just schematically, do not limit the present invention, wherein:
Fig. 1 is that a kind of head being applied to the construction of pipe curtain of case can withdraw formula push-bench original state generalized section;
Fig. 2 is that a kind of head being applied to the construction of pipe curtain of case can withdraw formula push-bench and to backbreak jacking work pattern sectional drawing;
Fig. 3 backbreaks cutter enlarged diagram in the cutterhead inside at C place in Fig. 2;
Fig. 4 is correction oil cylinder, the band enlarged diagram at D place in Fig. 2;
Fig. 5 is that in Fig. 2, E place regulates oil cylinder enlarged diagram;
Fig. 6 is that a kind of head being applied to the construction of pipe curtain of case can withdraw formula push-bench and eats native jacking work pattern schematic diagram;
Fig. 7 is that the head at A place in Fig. 6 is connected oil cylinder, guide rail enlarged diagram with outer tube;
Fig. 8 is the outer tube cutting edge enlarged diagram at B place in Fig. 6;
Fig. 9 is that the head of a kind of case of the present invention withdraws from rear its open mode working section schematic diagram;
In accompanying drawing, the list of parts representated by each label is as follows:
1, outer tube, 11, support housing, 12, regulate oil cylinder, 13, steel pipe top entrance lip mouth, 14, rail plate, 15, band;
2, head, 21, cutterhead, 22, cutter of backbreaking, 23, main shaft reductor, 24, helical conveyor, 25, deslagging reductor, 26, telescopic oil cylinder, 27, dregs stirring rod;
3, deviation-rectifying system, 31, generating laser, 32, survey polarisation target, 33, correction oil cylinder.
Detailed description of the invention
Hereinafter, the case that the head being applied to the construction of pipe curtain of the present invention can withdraw formula push-bench is described with reference to the accompanying drawings.
The case recorded at this is specific detailed description of the invention of the present invention, for illustration of design of the present invention, is all explanatory and exemplary, should not be construed as the restriction to embodiment of the present invention and the scope of the invention.Except the case exception recorded at this, those skilled in the art can also adopt other technical scheme apparent based on the content disclosed in the application's claims and manual, and these technical schemes comprise the technical scheme making any apparent substitutions and modifications adopted the case recorded at this.
The accompanying drawing of this manual is schematic diagram, and aid illustration design of the present invention schematically shows shape and the correlation thereof of each several part.Note that the structure of each parts for the ease of clearly showing case of the present invention, not according to identical scale between each accompanying drawing.Identical reference marker is for representing identical part.
Fig. 1 illustrates that the head being applied to the construction of pipe curtain of a kind of case of the present invention can withdraw formula push-bench, and it comprises:
Outer tube 1, as shown in Figure 1, described outer tube 1 comprises,
Support housing 11, described support housing 11 is steel shell; Support housing is the steel shell of the head external support soil body, bears the top power regulating oil cylinder simultaneously.
Regulate oil cylinder 12, described adjustment oil cylinder 12 is connected to the rear end of described support housing 11, as shown in Figure 5;
Steel pipe top entrance lip mouth 13, described steel pipe top entrance lip mouth 13 is arranged on the front end of support housing 11; Steel pipe top entrance lip mouth 13 is for cutting soil.
Rail plate 14, described rail plate 14 is arranged on the bottom of support housing inner chamber;
Band 15; As shown in Figure 4.
Push-bench also comprises: head 2, on the rail plate that described head 2 is removably mounted on outer tube 14, for excavating the soil body and being transported by dregs; In a kind of case, head 2 is connected by telescopic oil cylinder 26 with the support housing 11 of outer tube, as shown in Figure 7.Head is connected with outer tube oil cylinder, can carry out head relative to the mode of operation regulating to change push-bench before and after the small distance of outer tube.
Described band 15 is arranged between support housing 11 and head 2, is formed as stopping that the dregs under the cutterhead cutting of head enters the structure in head and outer tube gap.
Can withdraw in formula push-bench at the head being applied to the construction of pipe curtain as above of the present invention, described head 2 comprises:
Cutterhead 21, as shown in figures 3 and 8, described cutterhead 21 is provided with cutter 22 of backbreaking; In a kind of case, described in cutter 22 of backbreaking be set to stretch along cutterhead 21 radial direction.Cutter of backbreaking can be backbreak in right amount to the soil body when backbreaking work pattern and be reduced jacking resistance.In addition, described head can pass through from outer tube inside when cutter of backbreaking is regained completely, to reach the function that head can withdraw.
Main shaft reductor 23, described main shaft reductor 23 is connected with described cutterhead 21, exporting, driving the cutterhead circumgyration incision soil body for rotary power being carried out deceleration;
Helix transporting device, the dregs that described helix transporting device produces for discharging cutterhead cutting soil.In a kind of case, described helix transporting device comprises helical conveyor 24 and deslagging reductor 25, and described deslagging reductor 25 drives helical conveyor 24 to run.
Head the present invention being applied to as above to the construction of pipe curtain can withdraw formula push-bench and improves further, and described head also comprises dregs stirring rod 27, and described dregs stirring rod 27 is fixed in the card of described cutterhead 21.Dregs is stirred in the effect of dregs stirring rod 27, makes dregs enter helical conveyor smoothly.
Head the present invention being applied to as above to the construction of pipe curtain can withdraw formula push-bench and improves further, and push-bench also comprises deviation-rectifying system 3, and described deviation-rectifying system 3 comprises:
Generating laser 31, described generating laser 31 is arranged on the rock-steady structure of push-bench rear end, for transmitted reference luminous point;
Survey polarisation target 32, for receiving benchmark luminous point;
Correction oil cylinder 33, described correction oil cylinder 33 is arranged between the support housing 11 of outer tube and head 2, for adjusting the jacking direction of head.In the preferred case of one, oil cylinder has 4, and distribution is fixed on four orientation up and down of support housing, the adjustable Handpiece Location when finding that jacking orientation and planned course are misfitted, and corrects to realize jacking orientation.
Laser transmitter projects goes out benchmark luminous point.When described luminous point is positioned at the survey polarisation pinwheel of outer tube front end, jacking orientation and planned course match, and when luminous point departs from light target center, actual jacking orientation and planned course are misfitted, and need to utilize correction oil cylinder to carry out the adjustment of head tunneling direction.
The above-mentioned head being applied to the construction of pipe curtain of the present invention can withdraw formula push-bench three kinds of mode of operations:
1, to backbreak jacking pattern: namely cutterhead exceeds outer tube, advanced cutting soil, as shown in Figure 2.
2, eat native jacking pattern: namely cutterhead is return in outer tube protection domain, by outer tube cutting edge cutting soil, carry out sediment improvement deslagging by head, as shown in Figure 6.
3, open type jacking pattern: withdraw from by head rollback, by jacking of manually slagging tap, as shown in Figure 9.
In actual items, example is applied as below with push-bench, carry out the explanation of push-bench use procedure: example project is that single hole needs successively through clay stratum, the backfill containing large-size foreign matter, stratum, three kinds, sand stratum, diameter 2.2 mitron curtain work items.
Clay stratum when initial jacking, formation stability is better, can head be made to stretch out outer tube by the telescopic oil cylinder that is connected with outer tube of regulating frame head, and stretch out backbreak cutter and outer tube and carry out backbreaking jacking with footpath, skew by surveying luminous point on polarisation target in the process of jacking judges whether the orientation of jacking and predetermined orientation coincide, as found, jacking orientation offsets downward, then adjustment correction oil cylinder make head outside inside pipe casing upwards offset, strengthen the cutting output of the outer tube top soil body, reduce the resistance of outer tube top and the soil body, thus realize outer tube and upwards rectify a deviation, adjust correction oil cylinder gradually when light target display offset reduces, when returning predetermined jacking orientation in jacking orientation, recover the initial position of head in outer tube.When jacking is to backfill position containing large-size foreign matter, first cutter of backbreaking is regained, the telescopic oil cylinder adjusted again between head and outer tube makes head to recession, jacking outer tube gradually in the process of head recession, eats native length stop jacking until reach safety.Head, by hoist engine in foundation ditch, is withdrawn from by outer tube by connection between releasing head and outer tube fast, forms open type jacking pattern, can by the larger backfill in artificial treatment front under this jacking pattern.When jacking is to sand stratum, the inner foreign material of cleaning outer tube, head is advanced to initial position by the telescopic oil cylinder be connected with outer tube by head, because poor needs employing is stablized on sand stratum eat native jacking pattern, at this moment the telescopic oil cylinder between head and outer tube is adjusted, make head be retracted into outer tube inside, start to eat the jacking of native jacking pattern.After reaching the predetermined jacking degree of depth, being connected with flexible between outer tube by removing head, being recalled by head in outer tube, now single hole construction terminates, and head can be cycled to repeat use in next construction.
Each technical characteristic of above-mentioned disclosure is not limited to that disclosed with combination that is further feature, other combination that those skilled in the art also can carry out between each technical characteristic according to the object of invention, is as the criterion with the object realizing the present invention.
Claims (8)
1. the head being applied to the construction of pipe curtain can withdraw a formula push-bench, it is characterized in that, comprising:
Outer tube, described outer tube comprises,
Support housing, described support housing is steel shell;
Regulate oil cylinder, described adjustment oil cylinder is connected in described support housing;
Steel pipe top entrance lip mouth, described steel pipe top entrance lip mouth is arranged on the front end of support housing;
Rail plate, described rail plate is arranged on the bottom of support housing inner chamber;
Band;
Push-bench also comprises: head, and described head is removably mounted on the rail plate of outer tube, for excavating the soil body and being transported by dregs;
Described band is arranged between support housing and head, is formed as stopping that the dregs under the cutterhead cutting of head enters the structure in head and outer tube gap.
2. the head being applied to the construction of pipe curtain according to claim 1 can withdraw formula push-bench, and it is characterized in that, described head comprises:
Cutterhead, described cutterhead is provided with cutter of backbreaking;
Main shaft reductor, described main shaft reductor is connected with described cutterhead, exporting, driving the cutterhead circumgyration incision soil body for rotary power being carried out deceleration;
Helix transporting device, the dregs that described helix transporting device produces for discharging cutterhead cutting soil.
3. the head being applied to the construction of pipe curtain according to claim 2 can withdraw formula push-bench, it is characterized in that, described in cutter of backbreaking be set to stretch along cutterhead radial direction.
4. the head being applied to the construction of pipe curtain according to any one of claim 1-3 can withdraw formula push-bench, and it is characterized in that, described helix transporting device comprises helical conveyor and deslagging reductor, and described deslagging reductor drives helical conveyor to run.
5. the head being applied to the construction of pipe curtain according to claim 2 can withdraw formula push-bench, and it is characterized in that, described head also comprises dregs stirring rod, and described dregs stirring rod is fixed in the card of described cutterhead.
6. the head being applied to the construction of pipe curtain according to claim 1 can withdraw formula push-bench, and it is characterized in that, also comprise deviation-rectifying system, described deviation-rectifying system comprises:
Generating laser, described generating laser is arranged on the rock-steady structure of push-bench rear end, for transmitted reference luminous point;
Survey polarisation target, for receiving benchmark luminous point;
Correction oil cylinder, described correction oil cylinder is arranged between the support housing of outer tube and head, for adjusting the jacking direction of head.
7. the head being applied to the construction of pipe curtain according to claim 6 can withdraw formula push-bench, and it is characterized in that, the quantity of described correction oil cylinder is 4, and interval is arranged on described support housing.
8. the head being applied to the construction of pipe curtain according to claim 1 can withdraw formula push-bench, and it is characterized in that, head is connected by telescopic oil cylinder with the support housing of outer tube.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107218053A (en) * | 2017-05-26 | 2017-09-29 | 成都金玉雄辉建筑工程有限公司 | Pipe-jacking project excavator |
CN108131160A (en) * | 2018-02-09 | 2018-06-08 | 江苏格睿特管网工程有限公司 | No received well push-bench and its completely recycle engineering method |
CN109403995A (en) * | 2018-11-20 | 2019-03-01 | 中国铁建重工集团有限公司 | A kind of deviation correcting device of push-bench |
CN109723453A (en) * | 2018-11-30 | 2019-05-07 | 中铁隧道集团二处有限公司 | Remodeling method in push pipe auger |
CN110388511A (en) * | 2018-04-17 | 2019-10-29 | 中电建水环境治理技术有限公司 | The method that push-bench and control push-bench exit push pipe |
CN111425213A (en) * | 2020-04-17 | 2020-07-17 | 中铁十八局集团有限公司 | In-tunnel rollback method for rock pipe jacking machine |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107218053A (en) * | 2017-05-26 | 2017-09-29 | 成都金玉雄辉建筑工程有限公司 | Pipe-jacking project excavator |
CN108131160A (en) * | 2018-02-09 | 2018-06-08 | 江苏格睿特管网工程有限公司 | No received well push-bench and its completely recycle engineering method |
CN110388511A (en) * | 2018-04-17 | 2019-10-29 | 中电建水环境治理技术有限公司 | The method that push-bench and control push-bench exit push pipe |
CN109403995A (en) * | 2018-11-20 | 2019-03-01 | 中国铁建重工集团有限公司 | A kind of deviation correcting device of push-bench |
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CN109723453A (en) * | 2018-11-30 | 2019-05-07 | 中铁隧道集团二处有限公司 | Remodeling method in push pipe auger |
CN109723453B (en) * | 2018-11-30 | 2024-02-09 | 中铁隧道集团二处有限公司 | Method for reforming pipe jacking machine in tunnel |
CN111425213A (en) * | 2020-04-17 | 2020-07-17 | 中铁十八局集团有限公司 | In-tunnel rollback method for rock pipe jacking machine |
CN111425213B (en) * | 2020-04-17 | 2022-03-04 | 中铁十八局集团有限公司 | In-tunnel rollback method for rock pipe jacking machine |
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