CN204140080U - A kind of double-screw type bimodulus shield machine - Google Patents
A kind of double-screw type bimodulus shield machine Download PDFInfo
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- CN204140080U CN204140080U CN201420526685.9U CN201420526685U CN204140080U CN 204140080 U CN204140080 U CN 204140080U CN 201420526685 U CN201420526685 U CN 201420526685U CN 204140080 U CN204140080 U CN 204140080U
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Abstract
The utility model discloses a kind of double-screw type bimodulus shield machine, this shield machine is by configuration mud circulating system and double helix machine sludge drainage system, when shield machine works, can according to the soil layer of actual shield tunnel, switch in earth pressure balanced driving and slurry-water balance type driving, to adapt to the driving of complex ground shield tunnel, improve the compliance to complicated landform, extend a shield structure siding-to-siding block length, improve shield tunnel construction efficiency.Meanwhile, by installing quarrying case at the connecting portion of the first conveying worm and the second conveying worm in the utility model, quarrying case arranges the second mud output channel.First conveying worm drops in quarrying case from the stone that native cabin is extracted out, and mud enters the second mud output channel, and the stone in quarrying case is transferred out by the second conveying worm.Thus when shield machine is converted to mud and water balance pattern, meet mud extraction controlled, and can effectively remove stone in native cabin, avoid these stones to make mud output channel produce fault.
Description
Technical field
The utility model is used for shield-tunneling construction field, particularly relates to a kind of double-screw type bimodulus shield machine.
Background technology
Common shield machine is divided into earth pressure balanced shield and slurry-water balance type shield structure.The general principle of earth pressure balanced shield is by knife cutting soil layer, earth after cutting enters native cabin, be unearthed by the conveying worm in native cabin while earth in soil cabin and excavation face pressure attains equilibrium, under the state that the soil-discharging device being loaded on soil-discharging port averages out in unearthed amount and push-in stroke, carry out continuous excavation; The general principle of slurry-water balance type shield structure is in the sealed compartment of shield structure front and Supporting ring previous one dividing plate, the mud injecting suitable pressure makes it form mud film in excavation face, the supporting front soil body, realize excavation face to stablize, and to be arranged on the knife cutting soil body in front, high-density slurry is formed, with sludge pump and Cemented filling to floor treatment after dregs mixes with mud.
Above two kinds of shield machine tunneling methods can only be earth pressure balanced and the wherein one of person's slurry-water balance type, therefore the ability to work of shield machine adaptation formation variation is extremely restricted, present stage urban rail transit in China, seepage tunnel, electric power tunnel greatly develop, Tunnel Passing regional geology changes greatly, at a large amount of complex ground, easily there is driving difficulty in the shield machine of single tunneling method, affect the construction period, increase engineering cost, adverse effect is caused to all kinds of construction such as urban track traffics.Unresolved the problems referred to above, the applicant has applied for that the patent No. is for " 201220602041.4 " in the early time, the utility model patent that name is called " double mode shield machine ".But above-mentioned double mode shield machine is under mud and water balance pattern, soil is the mud being filled with certain pressure in cabin, conveying worm is communicated with it, now open conveying worm, conveying worm mud mouth can be caused " to gush ", i.e. uncontrollable pressure fluid, in native cabin, therefore pressure can beat simultaneously, causes safety or quality accident.
Utility model content
For solving the problem, the utility model provides a kind of double-screw type bimodulus shield machine, it can tunnel in two kinds of patterns at earth pressure balanced driving and slurry-water balance type and switch flexibly, simultaneously, when shield machine is converted to mud and water balance pattern, mud extraction to control, and can effectively remove stone in native cabin, avoids these stones to make mud output channel produce fault.
The utility model solves the technical scheme that its technical problem adopts: a kind of double-screw type bimodulus shield machine, comprise shield structure main frame and be arranged on the supporting chassis at shield structure main frame rear, the front end of described shield structure main frame is provided with cutterhead, the rear of described cutterhead arranges native cabin, described supporting chassis is provided with mud circulating system and double helix machine sludge drainage system, described double helix machine sludge drainage system comprises the first conveying worm stretched in described native cabin and the second conveying worm be located on rear side of described first conveying worm, the end bottom side of described first conveying worm is provided with the first discharging opening, be provided with just to the second feeding mouth of described first discharging opening on the upside of the front end of described second conveying worm, described second feeding mouth is connected by quarrying case with the first discharging opening, the first gate and the second gate that can close the first discharging opening and the second feeding mouth is respectively provided with in described quarrying case, described mud circulating system comprises the second mud input channel extending the first mud input channel in described native cabin and mud output channel and caused by described quarrying case in native cabin.
Be further used as the improvement of technical solutions of the utility model, described first conveying worm and the second conveying worm all adopt front end to arrange lower than end tilts.
Be further used as the improvement of technical solutions of the utility model, the end of described second conveying worm is provided with the second discharging opening, and described supporting chassis is provided with mud extraction belt in the below of described second discharging opening.
Be further used as the improvement of technical solutions of the utility model, described first mud input channel is provided with and send dredge pump, described mud output channel is provided with sludge pump, described second mud input channel is provided with circulation pump, and described first mud input channel, the second mud input channel and mud output channel are equipped with valve.
Be further used as the improvement of technical solutions of the utility model, described mud input channel and main mud output channel are arranged on the same side of supporting chassis.
Be further used as the improvement of technical solutions of the utility model, the second discharging opening of described second conveying worm is provided with sealing device.
The beneficial effects of the utility model: this shield machine is by configuration mud circulating system and double helix machine sludge drainage system, when shield machine works, can according to the soil layer of actual shield tunnel, switch in earth pressure balanced driving and slurry-water balance type driving, to adapt to the driving of complex ground shield tunnel, improve the compliance to complicated landform, extend a shield structure siding-to-siding block length, improve shield tunnel construction efficiency.Meanwhile, by installing a quarrying case at the connecting portion of the first conveying worm and the second conveying worm in the utility model, quarrying case is connected to the second mud input channel.First conveying worm can drop in quarrying case from the stone that native cabin is extracted out, and mud can flow to the second mud input channel, and so, the mud extraction of the first conveying worm can control, and the pressure in native cabin also can not be beated; After a period of time opened by first conveying worm, after being filled with stone in quarrying case, be delivered on mud extraction belt by the second conveying worm.Thus when shield machine is converted to mud and water balance pattern, can effectively remove stone in native cabin, avoid these stones to make mud output channel produce fault.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the utility model example structure schematic diagram.
Detailed description of the invention
With reference to Fig. 1, the utility model provides a kind of double-screw type bimodulus shield machine, comprise shield structure main frame 1 and be arranged on the supporting chassis at shield structure main frame 1 rear, the front end of described shield structure main frame 1 is provided with cutterhead 2, the rear of described cutterhead 2 arranges native cabin 3, described supporting chassis is provided with mud circulating system and double helix machine sludge drainage system, described double helix machine sludge drainage system comprises the first conveying worm 4 stretched in described native cabin 3 and the second conveying worm 5 be located on rear side of described first conveying worm 4, the end bottom side of described first conveying worm 4 is provided with the first discharging opening, be provided with just to the second feeding mouth of described first discharging opening on the upside of the front end of described second conveying worm 5, described second feeding mouth is connected by quarrying case 6 with the first discharging opening, the first gate 61 and the second gate 62 can closing the first discharging opening and the second feeding mouth is respectively provided with in described quarrying case 6, described mud circulating system comprises the second mud input channel 9 extending the first mud input channel 7 in described native cabin 3 and mud output channel 8 and caused by described quarrying case 6 in native cabin 3.Wherein, described first conveying worm 4 and the second conveying worm 5 all adopt front end to arrange lower than end tilts.The end of described second conveying worm 5 is provided with the second discharging opening, and described supporting chassis is provided with mud extraction belt 10 in the below of described second discharging opening, and the second discharging opening of described second conveying worm 5 is provided with sealing device.Described first mud input channel 7 is provided with and send dredge pump, described mud output channel 8 is provided with sludge pump, described second mud input channel 9 is provided with circulation pump, and described first mud input channel 7, second mud input channel 9 and mud output channel 8 are equipped with separately controllable valve 11.Described mud input channel 7 and main mud output channel are arranged on the same side of supporting chassis.
When earth pressure balance work pattern, close mud circulating system, cutterhead 2 rotates and cuts the soil layer in tunnel, cut backward earth and enter native cabin 3, first conveying worm 4 and the second conveying worm 5 work, under the state that earth in native cabin 3 and excavation face pressure attains equilibrium and the soil-discharging device that is loaded on soil-discharging port average out in unearthed amount and push-in stroke, earth in soil cabin 3 is after the end that the front end of the first conveying worm 4 is delivered to the second conveying worm 5, mud extraction belt 10 is dropped to from the second discharging opening of the second conveying worm 5, this earth is delivered to the rest area outside tunnel by mud extraction belt 10.
When earth pressure balance work pattern, run into soil layer too glutinous, when making cutterhead 2 driving torque excessive, open mud circulating system, on soil layer, inject the Admixtures such as mud by mud input channel 7, dregs is fully stirred, like this, cutterhead 2 can be shaken off and continues to rotate and cut soil layer from soil layer, cuts the soil layer fallen and to enter native cabin 3, and be delivered to the rest area outside tunnel via the first conveying worm 4, second conveying worm 5 and mud extraction belt 10.After cutterhead 2 work well, control system closes mud circulating system.
When switching to mud and water balance pattern, close double helix machine sludge drainage system, and open mud circulating system, send dredge pump work, the mud of suitable pressure is injected by the first mud input channel 7, make to form mud film in excavation face, support the soil body in front, and rotated by cutterhead 2 and cut the soil layer in tunnel, earth after cutting enters in native cabin 3, form highdensity mud, sludge pump work after earth and mud mix in native cabin 3, the mud in native cabin 3 is drawn through mud output channel 8 and drains into the mud conditioning district outside tunnel.But, to cut from soil layer in the earth fallen and can not be delivered to rock tunnel or soil block from mud output channel 8 in addition, double helix machine sludge drainage system is opened in timing, rock or soil block is delivered to outside tunnel via the first conveying worm 4, quarrying case 6, second conveying worm 5 and mud extraction belt 10.
By installing a quarrying case 6 at the connecting portion of the first conveying worm 4 and the second conveying worm 5 in the application, quarrying case 6 is connected to the second mud input channel 9.The second gate 62 between quarrying case 6 and the second conveying worm 5 is closed, open the first conveying worm 4, it can drop in quarrying case 6 from the stone that native cabin 3 is extracted out, mud can flow to the second mud input channel 9, can control by the mud extraction of such scheme first conveying worm 4, pressure in soil cabin 3 also can not be beated, after a period of time opened by first conveying worm 4, stone is filled with in quarrying case 6, now close the first conveying worm 4, and close the first gate 61 of its first discharging opening, and close the valve 11 of quarrying case 6 second mud input channel 9, open the second gate 62 between quarrying case 6 and the second conveying worm 5, and start the second conveying worm 5, stone in quarrying case 6 can fall into the second conveying worm 5 and be transported on mud extraction belt 10.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (6)
1. a double-screw type bimodulus shield machine, it is characterized in that: comprise shield structure main frame and be arranged on the supporting chassis at shield structure main frame rear, the front end of described shield structure main frame is provided with cutterhead, the rear of described cutterhead arranges native cabin, described supporting chassis is provided with mud circulating system and double helix machine sludge drainage system, described double helix machine sludge drainage system comprises the first conveying worm stretched in described native cabin and the second conveying worm be located on rear side of described first conveying worm, the end bottom side of described first conveying worm is provided with the first discharging opening, be provided with just to the second feeding mouth of described first discharging opening on the upside of the front end of described second conveying worm, described second feeding mouth is connected by quarrying case with the first discharging opening, the first gate and the second gate that can close the first discharging opening and the second feeding mouth is respectively provided with in described quarrying case, described mud circulating system comprises the second mud input channel extending the first mud input channel in described native cabin and mud output channel and caused by described quarrying case in native cabin.
2. double-screw type bimodulus shield machine according to claim 1, is characterized in that: described first conveying worm and the second conveying worm all adopt front end to arrange lower than end tilts.
3. double-screw type bimodulus shield machine according to claim 2, is characterized in that: the end of described second conveying worm is provided with the second discharging opening, described supporting chassis is provided with mud extraction belt in the below of described second discharging opening.
4. double-screw type bimodulus shield machine according to claim 1, it is characterized in that: described first mud input channel is provided with and send dredge pump, described mud output channel is provided with sludge pump, described second mud input channel is provided with circulation pump, and described first mud input channel, the second mud input channel and mud output channel are equipped with valve.
5. double-screw type bimodulus shield machine according to claim 4, is characterized in that: described mud input channel and main mud output channel are arranged on the same side of supporting chassis.
6. double-screw type bimodulus shield machine according to claim 3, is characterized in that: the second discharging opening of described second conveying worm is provided with sealing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201420526685.9U CN204140080U (en) | 2014-09-12 | 2014-09-12 | A kind of double-screw type bimodulus shield machine |
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| CN201420526685.9U CN204140080U (en) | 2014-09-12 | 2014-09-12 | A kind of double-screw type bimodulus shield machine |
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| CN204140080U true CN204140080U (en) | 2015-02-04 |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775826A (en) * | 2015-02-28 | 2015-07-15 | 广东华隧建设股份有限公司 | Continuous switching construction method of muddy water soil pressure double-mode type shield |
| CN104790962A (en) * | 2015-02-28 | 2015-07-22 | 广东华隧建设股份有限公司 | Method of switching earth pressure tunneling mode into muddy water tunneling mode for shield tunneling machine |
| CN104806258A (en) * | 2015-04-30 | 2015-07-29 | 中铁工程装备集团有限公司 | Shield tunneling machine capable of realizing muddy water and soil pressure mode conversion |
| CN104879133A (en) * | 2015-05-21 | 2015-09-02 | 中铁工程装备集团有限公司 | Double-mode shield tunneling machine |
| CN105257302A (en) * | 2015-09-25 | 2016-01-20 | 铁建重工新疆有限公司 | Composite balance shield tunneling machine |
| CN105952461A (en) * | 2016-06-17 | 2016-09-21 | 西南交通大学 | Testing apparatus and testing method for simulating improvement of residue earth during earth pressure balance shield construction |
| CN106194202A (en) * | 2016-08-30 | 2016-12-07 | 中国铁建重工集团有限公司 | Conveying worm and there is its shield machine and control method |
| CN106223965A (en) * | 2016-08-30 | 2016-12-14 | 中国铁建重工集团有限公司 | Shield machine and control method thereof |
| CN106437742A (en) * | 2016-09-05 | 2017-02-22 | 中铁十六局集团北京轨道交通工程建设有限公司 | Earth pressure balance shield construction uprush control device and method in water-rich surrounding rock |
| CN106968683A (en) * | 2017-05-24 | 2017-07-21 | 株洲中铁电气物资有限公司 | A kind of shield machine slag-tapping system and slurry shield machine |
| CN108625871A (en) * | 2018-06-27 | 2018-10-09 | 福建省建中工程设备有限公司 | Push-bench based on earth pressure balance and its working method |
| CN109458191A (en) * | 2018-12-28 | 2019-03-12 | 中铁工程装备集团有限公司 | A kind of double mode shield machine dregs transportation system |
| CN110306994A (en) * | 2018-03-27 | 2019-10-08 | 中国铁建重工集团股份有限公司 | A kind of balancing earth-pressure shielding machine, a kind of balancing earth-pressure shielding machine control system and its control method |
| CN111219194A (en) * | 2020-03-20 | 2020-06-02 | 中铁隧道局集团有限公司 | Slurry/soil pressure dual-mode shield and tunneling mode conversion method thereof |
| CN111255470A (en) * | 2020-02-06 | 2020-06-09 | 中交第二航务工程局有限公司 | Slurry-soil pressure dual-mode shield system and control method |
| CN116122831A (en) * | 2023-03-06 | 2023-05-16 | 盾科工程装备有限公司 | Miniature muddy water soil pressure dual-mode shield structure |
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- 2014-09-12 CN CN201420526685.9U patent/CN204140080U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790962B (en) * | 2015-02-28 | 2017-04-26 | 广东华隧建设股份有限公司 | Method of switching earth pressure tunneling mode into muddy water tunneling mode for shield tunneling machine |
| CN104790962A (en) * | 2015-02-28 | 2015-07-22 | 广东华隧建设股份有限公司 | Method of switching earth pressure tunneling mode into muddy water tunneling mode for shield tunneling machine |
| CN104775826A (en) * | 2015-02-28 | 2015-07-15 | 广东华隧建设股份有限公司 | Continuous switching construction method of muddy water soil pressure double-mode type shield |
| CN104806258A (en) * | 2015-04-30 | 2015-07-29 | 中铁工程装备集团有限公司 | Shield tunneling machine capable of realizing muddy water and soil pressure mode conversion |
| CN104879133A (en) * | 2015-05-21 | 2015-09-02 | 中铁工程装备集团有限公司 | Double-mode shield tunneling machine |
| CN104879133B (en) * | 2015-05-21 | 2017-05-24 | 中铁工程装备集团有限公司 | Double-mode shield tunneling machine |
| CN105257302A (en) * | 2015-09-25 | 2016-01-20 | 铁建重工新疆有限公司 | Composite balance shield tunneling machine |
| CN105952461A (en) * | 2016-06-17 | 2016-09-21 | 西南交通大学 | Testing apparatus and testing method for simulating improvement of residue earth during earth pressure balance shield construction |
| CN105952461B (en) * | 2016-06-17 | 2017-12-29 | 西南交通大学 | A kind of experimental rig and method for being used to simulate earth pressure balanced shield, EPBS construction sediment improvement |
| CN106194202A (en) * | 2016-08-30 | 2016-12-07 | 中国铁建重工集团有限公司 | Conveying worm and there is its shield machine and control method |
| CN106223965A (en) * | 2016-08-30 | 2016-12-14 | 中国铁建重工集团有限公司 | Shield machine and control method thereof |
| CN106223965B (en) * | 2016-08-30 | 2019-01-08 | 中国铁建重工集团有限公司 | Shield machine and its control method |
| CN106437742B (en) * | 2016-09-05 | 2018-11-06 | 中铁十六局集团北京轨道交通工程建设有限公司 | Earth pressure balanced shield, EPBS construction is prominent in a kind of rich water country rock gushes prevention device and method |
| CN106437742A (en) * | 2016-09-05 | 2017-02-22 | 中铁十六局集团北京轨道交通工程建设有限公司 | Earth pressure balance shield construction uprush control device and method in water-rich surrounding rock |
| CN106968683B (en) * | 2017-05-24 | 2024-01-19 | 株洲中铁电气物资有限公司 | Slag discharging system of shield machine and slurry shield machine |
| CN106968683A (en) * | 2017-05-24 | 2017-07-21 | 株洲中铁电气物资有限公司 | A kind of shield machine slag-tapping system and slurry shield machine |
| CN110306994A (en) * | 2018-03-27 | 2019-10-08 | 中国铁建重工集团股份有限公司 | A kind of balancing earth-pressure shielding machine, a kind of balancing earth-pressure shielding machine control system and its control method |
| CN108625871A (en) * | 2018-06-27 | 2018-10-09 | 福建省建中工程设备有限公司 | Push-bench based on earth pressure balance and its working method |
| CN109458191A (en) * | 2018-12-28 | 2019-03-12 | 中铁工程装备集团有限公司 | A kind of double mode shield machine dregs transportation system |
| CN111255470A (en) * | 2020-02-06 | 2020-06-09 | 中交第二航务工程局有限公司 | Slurry-soil pressure dual-mode shield system and control method |
| CN111255470B (en) * | 2020-02-06 | 2021-10-01 | 中交第二航务工程局有限公司 | Slurry-soil pressure dual-mode shield system and control method |
| CN111219194B (en) * | 2020-03-20 | 2021-07-27 | 中铁隧道局集团有限公司 | Slurry/soil pressure dual-mode shield and tunneling mode conversion method thereof |
| CN111219194A (en) * | 2020-03-20 | 2020-06-02 | 中铁隧道局集团有限公司 | Slurry/soil pressure dual-mode shield and tunneling mode conversion method thereof |
| CN116122831A (en) * | 2023-03-06 | 2023-05-16 | 盾科工程装备有限公司 | Miniature muddy water soil pressure dual-mode shield structure |
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Address after: 510220 Guangdong city of Guangzhou province Haizhuqu District Yue Xuan Street No. 81 (G-3) 1501-1512, 1604-1607 room Patentee after: Guangdong Hua Qiao construction group Limited by Share Ltd Address before: 9, building 510620, industrial building, 101 Tianhe Road, Guangzhou, Guangdong, Tianhe District Patentee before: China Tunnel Construction Co., Ltd. Guangdong |
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