CN205297589U - Minor diameter hard rock pipe pushing jack suitable for compound stratum - Google Patents
Minor diameter hard rock pipe pushing jack suitable for compound stratum Download PDFInfo
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- CN205297589U CN205297589U CN201521109832.3U CN201521109832U CN205297589U CN 205297589 U CN205297589 U CN 205297589U CN 201521109832 U CN201521109832 U CN 201521109832U CN 205297589 U CN205297589 U CN 205297589U
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- muddy water
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Abstract
The utility model provides a minor diameter hard rock pipe pushing jack suitable for compound stratum can be applicable to soft or hard stratum, transition stratum in turn. The utility model discloses a blade disc of front end, anterior shield, actuating system, anterior shield pass through rectifying system and tail shield and link to each other, and tail shield rear end is connected with the tube coupling, and at the internal mud water circulating system that is equipped with of shield, the actuating system is through turning round leg and cutter connection, and the conical ring is continuous with the anterior shield baffle, turn round leg, conical ring setting in the muddy water storehouse, and blade disc and prescutal baffle form the muddy water storehouse, are equipped with the air cushion storehouse in the anterior shield, are equipped with the valve of intercommunication between muddy water storehouse and the air cushion storehouse, even having the muddy water storehouse to arrange the thick liquid pipe on the muddy water storehouse, even having the air cushion storehouse to arrange the thick liquid pipe on the air cushion storehouse, the thick liquid pipe is arranged in the muddy water storehouse, the air cushion storehouse is arranged the thick liquid pipe and is linked to each other with mud water circulating system. This application is applicable to single stratum such as weak soil, soft rock, hard rock, has had concurrently to be applicable to soft or hard stratum, transition stratum in turn, can realize the balanced tunnelling mode of muddy water and two kind balanced tunnelling modes in the supplementary muddy water of air cushion to different stratum.
Description
Technical field
This utility model belongs to the technical field of constructing tunnel equipment, is specifically related to a kind of minor diameter hard rock push-bench suitable in compound stratum.
Background technology
In China, the composite duct such as blowdown, coal gas, oil, heating power, communication cable is typically all direct-burried underground and intricate, many pipelines serious aging, it is impossible to 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 and construction are required for again being excavated on road surface or adopting mining method construction, not only cause economic waste, have an effect on traffic, contaminated environment. Compare traditional construction method, construction by pipeline jacking method has need not excavate ground, floor space is few, traffic impact is little, a rate of advance is fast, environmental protection, economy, efficient advantage.
Current domestic push-bench is also limited to only adapt to the conventional push-bench of the soft soil layer such as silt, viscous, powder, sand, but the China at the title with International Geology museum, most Urban Hydrologic complicated geology, often construction is interval based on a kind of geology, multiple geological condition compound, and can adapt to the push-bench still blank on soft rock, hard rock, the unequal composite base stratum of soft or hard.
The tunnel push-bench how utilizing cost performance optimum completes the problems demand of complicated geological Engineering Project Construction and solves, there is provided a kind of to tunnel in the poor stratum of soft stratum or country rock and constructing tunnel with hard rock mole performance is equipped, boring mode is switched when stratum geological transformation, an equipment is made to have weak soil, soft rock, hard rock and replace stratum geological adaptability widely, simultaneously that stratum interference is little, reduce engineering risk, be a great problem in tunneler design and construction.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, a kind of minor diameter hard rock push-bench suitable in compound stratum is provided, go for soft or hard and replace stratum, transition stratum, be the construction equipment of the compound stratum such as a kind of applicable silt, viscous, powder, sand, ovum gravel, decomposed rock.
The technical solution of the utility model is achieved in that a kind of minor diameter hard rock push-bench suitable in compound stratum, cutterhead including 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 it is provided with in shield body, drive system is connected with cutterhead by turning round lower limb, conical ring is connected with the dividing plate of anterior shield, turn round lower limb, 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 it is provided with in anterior shield, the valve being communicated with between muddy water storehouse and air cushion storehouse, being connected with muddy water storehouse discharge pipe on muddy water storehouse, 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 centrage coincidence of cutterhead, drive system and conical ring, centrage and shield body centrage eccentric setting.
Described cutterhead includes 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.
Being provided with flase floor in muddy water storehouse, flase floor flushes with conical ring, and flase floor rear end is provided with high-pressure water pipe.
Described muddy water circulatory system includes hydraulic jack, and hydraulic jack one end is connected with accumulator.
This utility model both can be suitably used for the single stratum such as weak soil, soft rock, hard rock, simultaneously with replacing stratum, transition stratum suitable in soft or hard, is capable of mud and water balance boring mode and air cushion auxiliary two kinds of boring modes of mud and water balance for Different Strata. This utility model has simple structure, construction safety, strong adaptability, advantage with low cost, provides technical support for modern municipal administration piping lane construction.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is air cushion of the present utility model auxiliary mud and water balance boring mode schematic diagram.
Fig. 3 is cutter head structure schematic diagram of the present utility model.
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. top ferrum; 10. promote mainly oil cylinder; 11. it is rear by wall; 12. muddy water storehouse; 13. air cushion storehouse; 14. accumulator; 15. filter; 16. Hydraulic Station; 17. cooler; 18. starting well; 19. torsion lower limb; 20. pressure-air; 21. centrage; 22. shield body centrage; 23. conical ring; 24. flase floor; 25. muddy water; 26. double-edged hobbing cutter; 27. single-blade hob; 28. edge doctor; 29. scraper; 30. muddy water storehouse discharge pipe; 31. air cushion storehouse discharge pipe; 32. hydraulic jack; 33. back-flushing structure.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments. Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not paying creative work premise, broadly fall into the scope of this utility model protection.
As shown in Fig. 1��5, a kind of minor diameter hard rock push-bench suitable in compound stratum, cutterhead 1 including 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 fixing with tube coupling 7 to be connected, muddy water circulatory system 6 it is provided with in shield body, drive system 5 is connected with cutterhead 1 by turning round lower limb 19, conical ring 23 is connected with the dividing plate of anterior shield 2, turn round lower limb 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 it is provided with in anterior shield 2, the valve being communicated with between muddy water storehouse 12 and air cushion storehouse 13, being connected with muddy water storehouse discharge pipe 30 on muddy water storehouse 12, 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 includes accumulator 14, controls valve group, filter 15, Hydraulic Station 16 and cooler 17 etc.
Utility model works principle is as follows: tube coupling 7, apical ring 8, top ferrum 9, promotes 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, thered is provided thrust by promoting mainly oil cylinder 10 for complete machine driving, and turned round excavation driving by drive system 5 band movable knife disc 1; Dregs enters muddy water storehouse 12 by cutterhead 1, mix with muddy water under the stirring turning round lower limb 19, wherein bigger rubble is turned round lower limb 19, conical ring 23 crushes, until it is sized to, by flase floor 24, discharge outside tunnel again through 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 ferrum 9, propulsive force is transferred to main frame, meanwhile with tube coupling 7 backing synchronous grouting anti-attrition, it is achieved main frame advances with the overall of tube coupling 7. After tunneling an operation interval, main shut-down system, promote mainly oil cylinder 10 and regain; new tube coupling 7 is increased before apical ring 8, top ferrum 9; then drive system 5, promote mainly oil cylinder 10 task again, push-bench realizes intermittent cyclic and pushes ahead, ultimately form by annular tube coupling lining cutting tunnel. Push-bench passes through deviation-rectifying system 3 posture correction when driving deflects. Described deviation-rectifying system 3 can adopt oil cylinder, and oil cylinder two ends are connected with the dividing plate of tail shield, air cushion storehouse respectively, by the flexible direction that can regulate anterior shield 2 of oil cylinder, it is prevented that wander off.
At push-bench in tunneling process, it is necessary to during emergency shutdown, accumulator automatically controls the valve closing of hydraulic jack 32, to ensure the pressure balance in muddy water storehouse, it is ensured that face safety.
Muddy water circulation line occurs by back-flushing structure 33, pipeline to be dredged during blocking. During, tool wear stable on stratum, air cushion storehouse 13 can realize personnel's normal pressure warehouse entry tool changing as people storehouse passage.
This utility model can realize two kinds of boring modes, 1. mud and water balance boring mode: push pipe is in good ground jack-in process, close the connection valve in muddy water storehouse 12 and air cushion storehouse 13, only pass through to regulate the flow into slurry and plasma discharge and pressure, control muddy water storehouse 12 pressure to balance face Water And Earth Pressures.2. air cushion auxiliary mud and water balance boring mode, push pipe is in caving ground jack-in process, open the connection valve in muddy water storehouse 12 and air cushion storehouse 13, by controlling the pressure of the pressure-air 20 at top, air cushion storehouse 13, accurately to control in real time muddy water 25 pressure change in muddy water storehouse 12, to balance face Water And Earth Pressures.
The centrage 21 of cutterhead 1, drive system 5 and conical ring 23 overlaps, centrage 21 and shield body centrage 22 eccentric setting. So can ensure that in driving that hard rock bounces back not card shield.
Described cutterhead 1 includes 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.
Being 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 includes 6 and turns round 19,6 conical rings 23 of lower limb, turns round lower limb 19 and conical ring 23 top layer is provided with wearing layer, turn round lower limb 19 and conical ring 23 constitutes breaker, and flase floor 24 rear end is provided with high-pressure water pipe, is rinsed when blocking occurs flase floor.
Described muddy water circulatory system 6 includes hydraulic jack 32, and hydraulic jack 32 one end is connected with accumulator 14. In emergency circumstances accumulator 14 promotes hydraulic jack 32 to cut out, to ensure the pressure balance in muddy water storehouse.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (5)
1. the minor diameter hard rock push-bench being applicable to compound stratum, cutterhead (1) including 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) it is provided with in shield body, it is characterized in that: drive system (5) is connected with cutterhead (1) by turning round lower limb (19), conical ring (23) is connected with the dividing plate of anterior shield (2), turn round lower limb (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) it is provided with in anterior shield (2), the valve being communicated with between muddy water storehouse (12) and air cushion storehouse (13), muddy water storehouse (12) is connected with muddy water storehouse discharge pipe (30), being connected with air cushion storehouse discharge pipe (31) on air cushion storehouse (13), 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 suitable in compound stratum according to claim 1, it is characterized in that: centrage (21) coincidence of cutterhead (1), drive system (5) and conical ring (23), centrage (21) and shield body centrage (22) eccentric setting.
3. the minor diameter hard rock push-bench suitable in compound stratum according to claim 1, it is characterized in that: described cutterhead (1) includes 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 suitable in 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 suitable in compound stratum according to claim 1, it is characterized in that: described muddy water circulatory system (6) includes hydraulic jack (32), and hydraulic jack (32) one end is connected with accumulator (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521109832.3U CN205297589U (en) | 2015-12-28 | 2015-12-28 | Minor diameter hard rock pipe pushing jack suitable for compound stratum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521109832.3U CN205297589U (en) | 2015-12-28 | 2015-12-28 | Minor diameter hard rock pipe pushing jack suitable for compound stratum |
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| CN205297589U true CN205297589U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521109832.3U Active CN205297589U (en) | 2015-12-28 | 2015-12-28 | Minor diameter hard rock pipe pushing jack suitable for compound stratum |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108590687A (en) * | 2018-05-16 | 2018-09-28 | 中铁工程装备集团有限公司 | A kind of super big diameter mud water balance shield machine |
| CN109083651A (en) * | 2018-09-21 | 2018-12-25 | 中铁工程装备集团有限公司 | A kind of unlimited double mode rock tunnel(ling) machine of muddy water |
| CN109386292A (en) * | 2018-12-20 | 2019-02-26 | 江苏掘岩重工科技有限公司 | Novel pipe jacking tunnelling machine |
| CN115949421A (en) * | 2023-01-31 | 2023-04-11 | 盾科工程装备有限公司 | Cutter head structure for micro shield machine |
-
2015
- 2015-12-28 CN CN201521109832.3U patent/CN205297589U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108590687A (en) * | 2018-05-16 | 2018-09-28 | 中铁工程装备集团有限公司 | A kind of super big diameter mud water balance shield machine |
| CN109083651A (en) * | 2018-09-21 | 2018-12-25 | 中铁工程装备集团有限公司 | A kind of unlimited double mode rock tunnel(ling) machine of muddy water |
| CN109386292A (en) * | 2018-12-20 | 2019-02-26 | 江苏掘岩重工科技有限公司 | Novel pipe jacking tunnelling machine |
| CN115949421A (en) * | 2023-01-31 | 2023-04-11 | 盾科工程装备有限公司 | Cutter head structure for micro shield machine |
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