CN105443138A - Small-diameter hard rock pipe-jacking machine suitable for complex strata - Google Patents
Small-diameter hard rock pipe-jacking machine suitable for complex strata Download PDFInfo
- Publication number
- CN105443138A CN105443138A CN201511000422.XA CN201511000422A CN105443138A CN 105443138 A CN105443138 A CN 105443138A CN 201511000422 A CN201511000422 A CN 201511000422A CN 105443138 A CN105443138 A CN 105443138A
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- Prior art keywords
- muddy water
- air cushion
- slurry
- shield
- hard rock
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- 239000011435 rock Substances 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 59
- 150000001875 compounds Chemical class 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 239000002002 slurry Substances 0.000 abstract description 14
- 230000005641 tunneling Effects 0.000 abstract description 6
- 239000002689 soil Substances 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract 4
- 238000005192 partition Methods 0.000 abstract 2
- 238000010276 construction Methods 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention provides a small-diameter hard rock pipe-jacking machine suitable for complex strata. The small-diameter hard rock pipe-jacking machine can be suitable for soft and hard alternated strata and transitional strata. The small-diameter hard rock pipe-jacking machine comprises a cutter head at the front end, a front shield and a driving system, the front shield is connected with a tail shield through a deviation rectifying system, the rear end of the tail shield is connected with a pipe joint, a shield body is internally provided with a slurry circulation system, the driving system is connected with the cutter head through a twisted leg, a conical ring is connected with a front shield partition plate, the twisted leg and the conical ring are arranged in a slurry bin which is formed between the cutter head and the front shield partition plate, an air cushion bin is formed in the front shield, and a communicating valve is arranged between the slurry bin and the air cushion bin; a slurry bin slurry discharging pipe is connected to the slurry bin, an air cushion bin slurry discharging pipe is connected to the air cushion bin, and the slurry bin slurry discharging pipe and the air cushion bin slurry discharging pipe are connected with the slurry circulation system. The small-diameter hard rock pipe-jacking machine can be suitable for single strata of soft soil, soft rock, hard rock and the like and the soft and hard alternated strata and the transitional strata, and two tunneling modes of a slurry balance tunneling mode and an air cushion assisted slurry balance tunneling mode can be achieved according to different strata.
Description
Technical field
The invention belongs to the technical field of constructing tunnel equipment, be specifically related to a kind of minor diameter hard rock push-bench being applicable to compound stratum.
Background technology
In China, the composite ducts such as blowdown, coal gas, oil, heating power, communication cable are generally all direct-burried underground and intricate, and many pipelines serious aging, cannot meet the needs of urban development and Urbanization Construction.Along with propelling and the development of China's Urbanization Construction, pipeline network construction will become the task of top priority of urban construction with transformation.
Traditional pipe network improving all needs again excavated on road surface or adopt mining method construction with construction, not only causes economic waste, also affects traffic, contaminated environment.Compare traditional construction method, construction by pipeline jacking method has do not need excavation ground, floor space is few, traffic impact is little, a rate of advance is fast, environmental protection, economy, efficient advantage.
The conventional push-bench of the soft soil layers such as current domestic push-bench is also confined to only to adapt to become silted up, sticky, powder, sand, but there is China of title in International Geology museum, most Urban Hydrologic complicated geology, often between works area based on a kind of geology, multiple geological condition compound, and the push-bench still blank that can adapt to soft rock, hard rock, the unequal composite base stratum of soft or hard.
The problems demand how utilizing the tunnel push-bench of cost performance optimum to complete complicated geological Engineering Project Construction solves, there is provided a kind of to tunnel in soft stratum or the poor stratum of country rock and constructing tunnel with hard rock mole performance is equipped, boring mode is switched when stratum geology changes, an equipment is made to have weak soil, soft rock, hard rock and replace stratum geological adaptability widely, formation interference is simultaneously little, reducing engineering risk, is a great problem in tunnel machine design and construction.
Summary of the invention
The object of the invention is for above-mentioned the deficiencies in the prior art, a kind of minor diameter hard rock push-bench being applicable to compound stratum is provided, going for soft or hard and replace stratum, transition stratum, is the construction equipment of the compound stratum such as a kind of applicable silt, sticky, powder, sand, ovum gravel, decomposed rock.
Technical scheme of the present invention is achieved in that a kind of minor diameter hard rock push-bench being applicable to compound stratum, comprise the cutterhead of front end, anterior shield is built-in with drive system, drive system is connected with cutterhead, anterior shield is connected with tail shield by deviation-rectifying system, tail shield rear end is connected with tube coupling, muddy water circulatory system is provided with in shield body, drive system is connected with cutterhead by turning round leg, conical ring is connected with the dividing plate of anterior shield, turn round leg, conical ring is arranged in muddy water storehouse, muddy water storehouse is formed between the dividing plate of cutterhead and anterior shield, air cushion storehouse is provided with in anterior shield, the valve be communicated with is provided with between muddy water storehouse with air cushion storehouse, muddy water storehouse is connected with muddy water storehouse discharge pipe, air cushion storehouse is connected with air cushion storehouse discharge pipe, muddy water storehouse discharge pipe, air cushion storehouse discharge pipe are connected with muddy water circulatory system.
The center line of cutterhead, drive system and conical ring overlaps, center line and shield body center line eccentric setting.
Described cutterhead comprises cutter head panel, and cutter head panel is provided with double-edged hobbing cutter, edge doctor and scraper, and on cutter head panel, center is provided with single-blade hob.
Muddy water is provided with flase floor in storehouse, and flase floor flushes with conical ring, and flase floor rear end is provided with high-pressure water pipe.
Described muddy water circulatory system comprises hydraulic jack, and hydraulic jack one end is connected with accumulator.
The present invention can be applicable to the single stratum such as weak soil, soft rock, hard rock, simultaneously replaces stratum, transition stratum with being applicable to soft or hard, can realize mud and water balance boring mode and mud and water balance two kinds of boring modes assisted by air cushion for Different Strata.The present invention has simple structure, construction safety, strong adaptability, advantage with low cost, for modern times municipal piping lane construction provides technical support.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present invention.
Fig. 2 is that mud and water balance boring mode schematic diagram assisted by air cushion of the present invention.
Fig. 3 is cutter head structure schematic diagram of the present invention.
Fig. 4 muddy water circulatory system structural representation.
Fig. 5 muddy water circulatory system structure principle chart.
Wherein, 1. cutterhead; 2. anterior shield; 3. deviation-rectifying system; 4. tail shield; 5. drive system; 6. muddy water circulatory system; 7. tube coupling; 8. apical ring; 9. push up iron; 10. promote mainly oil cylinder; By wall after 11.; 12. muddy water storehouses; 13. air cushion storehouses; 14. accumulators; 15. strainers; 16. Hydraulic Stations; 17. coolers; 18. starting wells; 19. turn round leg; 20. pressure-airs; 21. center lines; 22. shield body center lines; 23. conical rings; 24. flase floors; 25. muddy water; 26. double-edged hobbing cutters; 27. single-blade hobs; 28. edge doctors; 29. scrapers; 30. muddy water storehouse discharge pipes; 31. air cushion storehouse discharge pipes; 32. hydraulic jacks; 33. back-flushing structures.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not paying the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Fig. 1 ~ 5, a kind of minor diameter hard rock push-bench being applicable to compound stratum, comprise the cutterhead 1 of front end, anterior shield 2 is built-in with drive system 5, drive system 5 is connected with cutterhead 1, anterior shield 2 is connected with tail shield 4 by deviation-rectifying system 3, tail shield 4 rear end is fixedly connected with tube coupling 7, muddy water circulatory system 6 is provided with in shield body, drive system 5 is connected with cutterhead 1 by turning round leg 19, conical ring 23 is connected with the dividing plate of anterior shield 2, turn round leg 19, conical ring 23 is arranged in muddy water storehouse 12, muddy water storehouse 12 is formed between the dividing plate of cutterhead 1 and anterior shield 2, air cushion storehouse 13 is provided with in anterior shield 2, the valve be communicated with is provided with between muddy water storehouse 12 with air cushion storehouse 13, muddy water storehouse 12 is connected with muddy water storehouse discharge pipe 30, air cushion storehouse 13 is connected with air cushion storehouse discharge pipe 31, muddy water storehouse discharge pipe 30, air cushion storehouse discharge pipe 31 are connected with muddy water circulatory system 6.Drive system 5 comprises accumulator 14, control valve group, strainer 15, Hydraulic Station 16 and cooler 17 etc.
Operating principle of the present invention is as follows: tube coupling 7, apical ring 8, top iron 9, promote mainly oil cylinder 10, rear be in starting well 18 by wall 11, in tunneling process, using anterior shield 2, tail shield 4 as the support of drive system 5 and cutterhead 1, there is provided thrust by promoting mainly oil cylinder 10 for complete machine tunnels, and be with movable knife disc 1 to turn round excavation driving by drive system 5; Dregs enters muddy water storehouse 12 by cutterhead 1, mix with muddy water under the stirring turning round leg 19, wherein larger rubble is turned round leg 19, conical ring 23 is broken, until its size can pass through flase floor 24, then discharges outside tunnel by the muddy water storehouse discharge pipe 30 in muddy water circulatory system; Promote mainly oil cylinder 10, by tube coupling 7, apical ring 8 and top iron 9, propulsive force is passed to main frame, meanwhile with the anti-attrition of tube coupling 7 backing synchronous grouting, the entirety realizing main frame and tube coupling 7 is advanced.After tunneling an operation interval, main shut-down system, promotes mainly oil cylinder 10 and regains; new tube coupling 7 is increased before apical ring 8, top iron 9; then drive system 5, promote mainly oil cylinder 10 task again, push-bench realizes intermittent cyclic and pushes ahead, and final is formed by the tunnel of annular tube coupling lining cutting.Push-bench when driving deflects by deviation-rectifying system 3 posture correction.Described deviation-rectifying system 3 can adopt oil cylinder, and oil cylinder two ends are connected with the dividing plate in tail shield, air cushion storehouse respectively, by the flexible direction that can regulate anterior shield 2 of oil cylinder, prevents from wandering off.
At push-bench in tunneling process, when needing emergency shutdown, the valve closing of the automatic hydraulic control oil cylinder 32 of accumulator, to ensure the pressure balance in muddy water storehouse, guarantees face safety.
Dredged by back-flushing structure 33 pairs of pipelines when blocking occurs muddy water circulation line.During, tool wear stable on stratum, air cushion storehouse 13 can be used as people storehouse passage and realizes the tool changing of personnel's normal pressure warehouse entry.
The present invention can realize two kinds of boring modes, 1. mud and water balance boring mode: push pipe is in good ground jack-in process, that closes muddy water storehouse 12 and air cushion storehouse 13 is communicated with valve, by regulating flow into slurry and plasma discharge and pressure, controls muddy water storehouse 12 pressure to balance face Water And Earth Pressures.2. mud and water balance boring mode assisted by air cushion, push pipe is in caving ground jack-in process, that opens muddy water storehouse 12 and air cushion storehouse 13 is communicated with valve, by controlling the pressure of the pressure-air 20 at top, air cushion storehouse 13, come accurately to control muddy water 25 pressure change in muddy water storehouse 12 in real time, to balance face Water And Earth Pressures.
The center line 21 of cutterhead 1, drive system 5 and conical ring 23 overlaps, center line 21 and shield body center line 22 eccentric setting.Can ensure that in driving, hard rock bounces back not card shield like this.
Described cutterhead 1 comprises cutter head panel, and cutter head panel is provided with double-edged hobbing cutter 26, edge doctor 28 and scraper 29, and on cutter head panel 1, center is provided with single-blade hob 27.
Be provided with flase floor 24 in muddy water storehouse 12, flase floor 24 flushes with conical ring 23, and flase floor 24 rear end is provided with high-pressure water pipe.The application comprises 6 and turns round leg 19,6 conical rings 23, turns round leg 19 and conical ring 23 top layer is provided with wearing layer, turns round leg 19 and conical ring 23 constitutes breaker, and flase floor 24 rear end is provided with high-pressure water pipe, rinses when blocking occurs flase floor.
Described muddy water circulatory system 6 comprises hydraulic jack 32, and hydraulic jack 32 one end is connected with accumulator 14.In emergency circumstances accumulator 14 impels hydraulic jack 32 to cut out, to ensure the pressure balance in muddy water storehouse.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. one kind is applicable to the minor diameter hard rock push-bench of compound stratum, comprise the cutterhead (1) of front end, anterior shield (2) is built-in with drive system (5), drive system (5) is connected with cutterhead (1), anterior shield (2) is connected with tail shield (4) by deviation-rectifying system (3), tail shield (4) rear end is connected with tube coupling (7), muddy water circulatory system (6) is provided with in shield body, it is characterized in that: drive system (5) is connected with cutterhead (1) by turning round leg (19), conical ring (23) is connected with the dividing plate of anterior shield (2), turn round leg (19), conical ring (23) is arranged in muddy water storehouse (12), muddy water storehouse (12) is formed between the dividing plate of cutterhead (1) and anterior shield (2), air cushion storehouse (13) is provided with in anterior shield (2), the valve be communicated with is provided with between muddy water storehouse (12) with air cushion storehouse (13), muddy water storehouse (12) is connected with muddy water storehouse discharge pipe (30), air cushion storehouse (13) is connected with air cushion storehouse discharge pipe (31), muddy water storehouse discharge pipe (30), air cushion storehouse discharge pipe (31) are connected with muddy water circulatory system (6).
2. the minor diameter hard rock push-bench being applicable to compound stratum according to claim 1, it is characterized in that: the center line (21) of cutterhead (1), drive system (5) and conical ring (23) overlaps, center line (21) and shield body center line (22) eccentric setting.
3. the minor diameter hard rock push-bench being applicable to compound stratum according to claim 1, it is characterized in that: described cutterhead (1) comprises cutter head panel, cutter head panel is provided with double-edged hobbing cutter (26), edge doctor (28) and scraper (29), and the upper center of cutter head panel (1) is provided with single-blade hob (27).
4. the minor diameter hard rock push-bench being applicable to compound stratum according to claim 1, it is characterized in that: in muddy water storehouse (12), be provided with flase floor (24), flase floor (24) flushes with conical ring (23), and flase floor (24) rear end is provided with high-pressure water pipe.
5. the minor diameter hard rock push-bench being applicable to compound stratum according to claim 1, it is characterized in that: described muddy water circulatory system (6) comprises hydraulic jack (32), hydraulic jack (32) one end is connected with accumulator (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511000422.XA CN105443138A (en) | 2015-12-28 | 2015-12-28 | Small-diameter hard rock pipe-jacking machine suitable for complex strata |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511000422.XA CN105443138A (en) | 2015-12-28 | 2015-12-28 | Small-diameter hard rock pipe-jacking machine suitable for complex strata |
Publications (1)
| Publication Number | Publication Date |
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| CN105443138A true CN105443138A (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201511000422.XA Pending CN105443138A (en) | 2015-12-28 | 2015-12-28 | Small-diameter hard rock pipe-jacking machine suitable for complex strata |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351666A (en) * | 2016-10-31 | 2017-01-25 | 中铁工程装备集团有限公司 | Slurry balance rectangular shield pipe jacking machine equipment and self flushing system used by slurry balance rectangular shield pipe jacking machine equipment |
| CN106593462A (en) * | 2016-12-29 | 2017-04-26 | 安徽唐兴机械装备有限公司 | Multi-angle high-pressure water injection device for front cabin of pipe jacking machine |
| CN107178371A (en) * | 2017-07-19 | 2017-09-19 | 安徽唐兴机械装备有限公司 | A kind of push-bench stirs spoil hopper pressure air cushion adjusting device |
| CN107559019A (en) * | 2017-09-30 | 2018-01-09 | 嘉盛建设集团有限公司 | For slurry-water balance type pipe jacking tunnelling machine under rock geology and push pipe driving method |
| CN108412513A (en) * | 2018-04-28 | 2018-08-17 | 安徽唐兴机械装备有限公司 | A kind of miniature rock push-bench of interchangeable cutterhead and hopper dredger |
| CN108625873A (en) * | 2018-08-16 | 2018-10-09 | 安徽卓科智能装备有限公司 | A kind of slurry balance pipe-jacking tunneling machine |
| CN108716408A (en) * | 2018-08-07 | 2018-10-30 | 安徽唐兴机械装备有限公司 | A kind of dense mud formula rock push-bench of the replaceable cutterhead of pebble layer |
| CN109723452A (en) * | 2018-11-22 | 2019-05-07 | 上海隧道工程有限公司 | A kind of mud and water balance earth pressure balance bi-mode intelligent pipe jacking tunnelling machine |
| CN111140243A (en) * | 2019-12-31 | 2020-05-12 | 成都建工第二建筑工程有限公司 | Slurry balance shield machine and pipe-jacking tunneling construction method applying same |
| CN112012757A (en) * | 2020-09-15 | 2020-12-01 | 临沂市政集团有限公司 | Muddy water balance type pipe jacking machine and construction process thereof in flowing sand stratum |
| CN112065425A (en) * | 2020-09-17 | 2020-12-11 | 临沂市政集团有限公司 | Slurry balance type pipe jacking equipment and construction process thereof on sand and stone superposed layer |
| CN112360483A (en) * | 2020-11-12 | 2021-02-12 | 安徽唐兴机械装备有限公司 | Push bench blade disc of compound motion |
| CN113931643A (en) * | 2021-09-24 | 2022-01-14 | 湖南健伟通机械设备有限公司 | Small shield machine |
| CN114508629A (en) * | 2022-01-24 | 2022-05-17 | 中铁四局集团有限公司 | Pipe jacking construction method for penetrating through mixed egg gravel layer and sandstone layer |
| CN116084974A (en) * | 2023-03-14 | 2023-05-09 | 盾科工程装备有限公司 | Shield constructs machine with secondary crushing function |
| CN116591700A (en) * | 2023-06-01 | 2023-08-15 | 中国矿业大学(北京) | TBM system suitable for soft rock tunnel and rock burst tunnel and construction method |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351666A (en) * | 2016-10-31 | 2017-01-25 | 中铁工程装备集团有限公司 | Slurry balance rectangular shield pipe jacking machine equipment and self flushing system used by slurry balance rectangular shield pipe jacking machine equipment |
| CN106593462A (en) * | 2016-12-29 | 2017-04-26 | 安徽唐兴机械装备有限公司 | Multi-angle high-pressure water injection device for front cabin of pipe jacking machine |
| CN107178371A (en) * | 2017-07-19 | 2017-09-19 | 安徽唐兴机械装备有限公司 | A kind of push-bench stirs spoil hopper pressure air cushion adjusting device |
| CN107559019B (en) * | 2017-09-30 | 2023-11-24 | 嘉盛建设集团有限公司 | Slurry balance type pipe jacking tunneling machine and pipe jacking tunneling method for rock geology |
| CN107559019A (en) * | 2017-09-30 | 2018-01-09 | 嘉盛建设集团有限公司 | For slurry-water balance type pipe jacking tunnelling machine under rock geology and push pipe driving method |
| CN108412513A (en) * | 2018-04-28 | 2018-08-17 | 安徽唐兴机械装备有限公司 | A kind of miniature rock push-bench of interchangeable cutterhead and hopper dredger |
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