CN205117346U - Earth pressure balance shield machine - Google Patents

Earth pressure balance shield machine Download PDF

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Publication number
CN205117346U
CN205117346U CN201520912746.XU CN201520912746U CN205117346U CN 205117346 U CN205117346 U CN 205117346U CN 201520912746 U CN201520912746 U CN 201520912746U CN 205117346 U CN205117346 U CN 205117346U
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CN
China
Prior art keywords
dregs
screening mechanism
conveyer
holding vessel
agitator tank
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Withdrawn - After Issue
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CN201520912746.XU
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Chinese (zh)
Inventor
程永亮
彭正阳
张社军
杨杰
范瑞强
张帅坤
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China Railway Construction Heavy Industry Group Co Ltd
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China Railway Construction Heavy Industry Group Co Ltd
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Priority to CN201520912746.XU priority Critical patent/CN205117346U/en
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Abstract

The utility model discloses an earth pressure balance shield machine, include: blade disc, excavation cabin, first conveyer, second conveyer, one -level screening mechanism and agitator tank are formed with the opening on the blade disc, establish at the rear of blade disc in the excavation cabin, and excavate under -deck portion and opening intercommunication, first conveyer links to each other with the excavation cabin, the low reaches at first conveyer are established to the second conveyer, one -level screening mechanism establishes between first conveyer and second conveyer, and one -level screening mechanism is constructed to be become to be used for with carry next dregs to sieve in order obtaining first dregs and second dregs and to carry first dregs to the second conveyer from first conveyer, and the particle diameter of first dregs is greater than the particle diameter of second dregs, the agitator tank is established in the below of one -level screening mechanism, has mud in the agitator tank, and the agitator tank is constructed to become to be used for puddles stirring back transport to excavating the cabin with the second dregs. According to the utility model discloses an earth pressure balance shield machine can control the stratum effectively and subside.

Description

Balancing earth-pressure shielding machine
Technical field
The utility model relates to shield machine technical field, especially relates to a kind of balancing earth-pressure shielding machine.
Background technology
In correlation technique, balancing earth-pressure shielding machine, when normally tunneling, by pressure-retaining system to injecting compressed air in excavation cabin, by controlling pressure and the soil pressure of excavation cabin compressed air, balancing excavation face pressure, realizing excavation face and stablize, control stratum settlement.But, in rich water sand pebble layer, because grain composition is bad, gap is there is between particle and particle, balancing earth-pressure shielding machine is that the compressed air keeping excavation face pressure balance to inject can penetrate into stratum through the gap between this particle, be difficult to the pressure balance of setting up excavation face, thus cause stratum settlement out of control, even cause surface collapse.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, an object of the present utility model is to propose a kind of balancing earth-pressure shielding machine, and described balancing earth-pressure shielding machine can control stratum settlement effectively.
According to balancing earth-pressure shielding machine of the present utility model, comprising: cutterhead, described cutterhead is formed with opening; Excavation cabin, described excavation cabin is located at the rear of described cutterhead, and described excavation cabin is inner and described open communication; First conveyer, described first conveyer is connected with described excavation cabin; Second conveyor, described second conveyor is located at the downstream of described first conveyer; One-level screening mechanism, described one-level screening mechanism is located between described first conveyer and described second conveyor, described one-level screening mechanism is configured for and carries out the dregs transported from described first conveyer sieving obtaining the first dregs and the second dregs and described first dregs is delivered to described second conveyor, and the particle diameter of described first dregs is greater than the particle diameter of described second dregs; And agitator tank, described agitator tank is located at the below of described one-level screening mechanism, has mud in described agitator tank, and described agitator tank is configured for and is delivered to described excavation cabin by after described second dregs and described mud stirring.
According to balancing earth-pressure shielding machine of the present utility model, by arranging one-level screening mechanism and agitator tank, being again delivered to after the second dregs sieved out by one-level screening mechanism mixes with the mud stirring in agitator tank and excavating cabin.Thus, can fill in the gap in formation between particle, improve the grain composition situation on stratum, the pressure of balance excavation face, thus effectively control the stratum settlement in tunneling process, and enhance the self-stability of excavation face.
In addition, following additional technical characteristic can also be had according to balancing earth-pressure shielding machine of the present utility model:
According to an embodiment of the present utility model, described balancing earth-pressure shielding machine comprises further: secondary screening mechanism, described secondary screening mechanism is located between described one-level screening mechanism and described agitator tank, and described secondary screening mechanism is configured for and sieves to obtain water and sub-dregs to described second dregs and described sub-dregs be delivered to described agitator tank and described water be delivered to described excavation cabin or directly discharge.
Further, described balancing earth-pressure shielding machine also comprises: holding vessel, described holding vessel is located between described one-level screening mechanism and described secondary screening mechanism, and described holding vessel is configured for and receives described second dregs that sieves out of described one-level screening mechanism and described second dregs is delivered to described secondary screening mechanism.
According to an embodiment of the present utility model, described secondary screening mechanism is connected to send the described water sieved out back to described holding vessel with described holding vessel, described balancing earth-pressure shielding machine comprises further: drainage system, and described drainage system is connected between described holding vessel and described excavation cabin.
Further, described balancing earth-pressure shielding machine also comprises drainage, and described drainage is connected with described holding vessel.
Particularly, described one-level screening mechanism comprises sieves, described sieves is formed with multiple screening hole, and each described screening hole place is provided with movable cover plate to open and close described screening hole.
Alternatively, described sieves is obliquely installed.
Alternatively, described first conveyer is conveying worm.
Alternatively, described second conveyor is belt conveyor.
Particularly, described mud is mixed to form by swell soil and water.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the balancing earth-pressure shielding machine according to the utility model embodiment.
Reference numeral:
100: balancing earth-pressure shielding machine;
1: shield body;
2: cutterhead;
3: excavation cabin;
4: the first conveyers; 41: outlet;
5: one-level screening mechanism; 51: screening hole;
6: second conveyor; 61: first paragraph; 62: second segment;
7: holding vessel;
8: secondary screening mechanism;
9: agitator tank; 91: mud;
10: drainage system;
11: drainage;
12: pump.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
Below with reference to Fig. 1, the balancing earth-pressure shielding machine 100 according to the utility model embodiment is described.
As shown in Figure 1, balancing earth-pressure shielding machine 100 comprises: shield body 1, cutterhead 2, excavation cabin 3, first conveyer 4, second conveyor 6, one-level screening mechanism 5 and agitator tank 9.
Wherein, cutterhead 2 is formed with opening, cutterhead 2 is located at the front end of shield body 1, and excavation cabin 3 is located at the rear of cutterhead 2, and inside, excavation cabin 3 and the open communication on cutterhead 2.In work progress, shield body 1, excavation face and excavation cabin 3 form the space closed.Cutterhead 2 rotates formation when excavating, and excavates the dregs obtained and is entered in excavation cabin 3 by the opening on cutterhead 2.
First conveyer 4 is connected with excavation cabin 3, and second conveyor 6 is located at the downstream of the first conveyer 4, and one-level screening mechanism 5 is located between the first conveyer 4 and second conveyor 6.One-level screening mechanism 5 is configured for and carries out the dregs transported from the first conveyer 4 sieving obtaining the first dregs and the second dregs and the first dregs is delivered to second conveyor 6.Wherein the particle diameter of the first dregs is greater than the particle diameter of the second dregs.It should be noted that, the downstream that said in the utility model " downstream " is dregs throughput direction.
As shown in Figure 1, the first conveyer 4 is inclined upwardly setting on vertical direction, and the rear portion of the first conveyer 4 has downward opening outlet 41.Thus, the dregs transferred out in excavation cabin 3 can fall to one-level screening mechanism 5 in the effect of self gravitation, and the bottom in excavation cabin 3 can be stretched in the front portion of the first conveyer 4, thus can be sent by the dregs in excavation cabin better.Alternatively, the first conveyer 4 is conveying worm, but is not limited thereto.
One-level screening mechanism 5 is located at outlet 41 place of the first conveyer 4, thus, is upwards delivered on one-level screening mechanism 5 by the dregs in excavation cabin 3 by the first conveyer 4.Alternatively, one-level screening mechanism 5 is inclined upwardly setting on vertical direction, and further, the first screening mechanism is parallel with the first conveyer 4, as shown in Figure 1.Thus, be convenient to one-level screening mechanism 5 and the dregs that first conveyer 4 transports is sieved, improve screening efficiency, and the compact conformation of balancing earth-pressure shielding machine 100 can be made, reduce the volume of balancing earth-pressure shielding machine 100.
Specifically, second conveyor 6 comprises first paragraph 61 and second segment 62.Such as, in the example of fig. 1, the first paragraph 61 of second conveyor 6 is obliquely installed, and such as, first paragraph 61 and one-level screening mechanism 5 be arranged in parallel, and the second segment 62 of second conveyor 6 is horizontally disposed with and is connected with the rear end of above-mentioned first paragraph 61.Thus, one-level screening mechanism 5 can be sieved the first dregs (i.e. bulky grain dregs) obtained and be delivered on the device (scheming not shown) of transport dregs, so that bulky grain dregs is transported to outside tunnel, and compact conformation, save space.Alternatively, second conveyor 6 is belt conveyor, but is not limited thereto.
Agitator tank 9 is located at the below of one-level screening mechanism 5, there is in agitator tank 9 mud 91, agitator tank 9 is delivered to excavation cabin 3 after being configured for and the second dregs and mud 91 being stirred, fill, improve formation particles grating situation with the gap in formation between particle.Alternatively, above-mentioned mud 91 is mixed to form by swell soil and water, thus, the cohesiveness of mud 91 can be made strong, thus can improve grain composition situation in stratum further.
Further, such as, in the example of fig. 1, one-level screening mechanism 5 sieves the second dregs (i.e. granule dregs) obtained and enters after agitator tank 9 and be uniformly mixed with the mud 91 in agitator tank 9, forms thickened drilling fluid, is delivered to excavates in cabin 3 by pump 12.In work progress, utilize cutterhead 2 to rotate and thickened drilling fluid is covered in excavation face, excavation face is formed mud film, to improve the grain composition situation on stratum.Thus, can prevent the compressed air for keeping excavation face pressure balance to inject from penetrating into stratum through the gap between particle, make the pressure balance of excavation face, thus effectively control the stratum settlement in tunneling process, and enhance the self-stability of excavation face.
According to the balancing earth-pressure shielding machine 100 of the utility model embodiment, by arranging one-level screening mechanism 5 and agitator tank 9, being again delivered to after the mud 91 in the second dregs sieved out by one-level screening mechanism 5 and agitator tank 9 is uniformly mixed and excavating cabin 3.Thus, can fill in the gap in formation between particle, improve the grain composition situation on stratum, the pressure of balance excavation face, thus effectively can control the stratum settlement in tunneling process, and the self-stability of excavation face can be strengthened.
According to an embodiment of the present utility model, balancing earth-pressure shielding machine 100 comprises further: secondary screening mechanism 8.As shown in Figure 1, secondary screening mechanism 8 is located between one-level screening mechanism 5 and agitator tank 9, and secondary screening mechanism 8 is configured for and sieves to obtain water and sub-dregs to the second dregs (i.e. granule dregs) and sub-dregs be delivered to agitator tank 9 and water be delivered to excavation cabin 3 or directly discharge.Thus, can reduce the moisture entered in agitator tank 9, the moisture in control mud 91 and the ratio of dregs, increase the viscosity of mud 91, thus be conducive to the pressure balance keeping excavation face.
Further, balancing earth-pressure shielding machine 100 also comprises: holding vessel 7.As shown in Figure 1, holding vessel 7 is located between one-level screening mechanism 5 and secondary screening mechanism 8, and holding vessel 7 is configured for and receives the second dregs that one-level screening mechanism 5 sieves out and the second dregs is delivered to secondary screening mechanism 8.Thus, second dregs (i.e. granule dregs) that one-level screening mechanism 5 can be sieved out leaves in holding vessel 7, thus can improve the operating efficiency of balancing earth-pressure shielding machine 100.
Particularly, the top of holding vessel 7 has unlimited opening, and the inside of holding vessel 7 has the spatial accommodation of accommodation second dregs.Such as, in the example of fig. 1, the contiguous one-level screening mechanism 5 of the open end of holding vessel 7 is arranged and parallel with one-level screening mechanism 5, and namely the open end of holding vessel 7 upwards extends in vertical direction surface thereof, and now the longitudinal cross-section shape of holding vessel 7 is irregular quadrangle.Thus, the spatial accommodation of holding vessel 7 can be increased, thus increase storage capacity, and be convenient to the second dregs that one-level screening mechanism 5 sieves out and enter in holding vessel 7, prevent the second dregs to be discharged to outside holding vessel 7.
Particularly, secondary screening mechanism 8 is connected with holding vessel 7, to send the water sieved out back to holding vessel 7.Further, balancing earth-pressure shielding machine 100 comprises: drainage system 10.As shown in Figure 1, drainage system 10 is connected between holding vessel 7 and excavation cabin 3, and thus, the water sieved out by secondary screening mechanism 8 by above-mentioned drainage system 10 is delivered to excavation cabin 3 from holding vessel 7, thus the workload of secondary screening mechanism 8 can be reduced, increase work efficiency.Such as, the water sieved out by secondary screening mechanism 8 by pump 12 is delivered to excavation cabin 3 from holding vessel 7, and structure is simple, be easy to realize.
Alternatively, balancing earth-pressure shielding machine 100 comprises drainage 11, and drainage 11 is connected with holding vessel 7, as shown in Figure 1.The water that secondary screening mechanism 8 can be sieved out by above-mentioned drainage 11 is directly discharged from holding vessel 7.Thus, the workload of secondary screening mechanism 8 can be reduced further, increase work efficiency.
Alternatively, one-level screening mechanism 5 comprises sieves, sieves is formed with multiple screening hole 51, and each above-mentioned screening hole 51 place is provided with movable cover plate to open and close screening hole 51.When the cover plate on each above-mentioned screening hole 51 is opened, the dregs that first conveyer 4 transports can sieve by one-level screening mechanism 5, obtain the first dregs and the second dregs, and above-mentioned first dregs is delivered to second conveyor 6, above-mentioned second dregs is delivered to holding vessel 7; When the cover plate on each above-mentioned sieve aperture is closed, the dregs that the first conveyer 4 transports can be directly delivered to second conveyor 6 by one-level screening mechanism 5.
Such as, in the good situation of formation particles grating, the cover plate on each above-mentioned screening hole 51 can be closed.Now, cutterhead 2 rotates formation and excavates, after dregs enters excavation cabin 3 by cutterhead 2 opening, the first conveyer 4 bottom excavation cabin 3 is delivered on one-level screening mechanism 5, then be transported on second conveyor 6 by one-level screening mechanism 5, finally by transporting the device of dregs by dregs transportation to outside tunnel.
When formation particles grating is poor (such as, rich water sand-pebble layer etc.), the cover plate on each above-mentioned screening hole 51 can be opened.Now, cutterhead 2 rotates formation and excavates, and after dregs enters excavation cabin 3 by cutterhead 2 opening, the first conveyer 4 bottom excavation cabin 3 is delivered on one-level screening mechanism 5.The dregs transported from the first conveyer 4 sieves by one-level screening mechanism 5, obtains the first dregs and the second dregs, and is delivered on second conveyor 6 by the first dregs, is delivered on secondary screening mechanism 8 by the second dregs.Wherein the first dregs is transported to outside tunnel by the device transporting dregs, and the second dregs obtains water and sub-dregs through secondary screening mechanism 8 screening.Above-mentioned water refills in holding vessel 7, delivers to excavation cabin 3 or directly discharged by drainage 11 by pump 12.After above-mentioned sub-dregs is delivered to the agitator tank 9 that mud 91 is housed, after being uniformly mixed into thickened drilling fluid with mud 91, be delivered to excavation cabin 3, to improve formation particles grating situation.
Thus, the cover plate of opening or closing each above-mentioned screening hole 51 can be selected according to stratum grain composition situation, expand the range of application of balancing earth-pressure shielding machine 100, and structure be simple, be easy to realize.
Alternatively, sieves is obliquely installed.Such as, in the example of fig. 1, sieves is inclined upwardly setting on direction from front to back, thus is convenient to the dregs that the first conveyer 4 transports to sieve, to improve screening efficiency, and isolated second dregs can fall in holding vessel 7 in the effect of self gravitation.
According to a specific embodiment of the present utility model, as shown in Figure 1, balancing earth-pressure shielding machine 100 comprises: shield body 1, the cutterhead 2 being formed with opening, the excavation cabin 3 being located at the rear of cutterhead 2, conveying worm, belt conveyor, one-level screening mechanism 5, secondary screening mechanism 8, holding vessel 7 and agitator tank 9.
Wherein, the open communication on the inside in cabin 3 and cutterhead 2 is excavated.Conveying worm is inclined upwardly setting on direction from front to back, and the rear portion of conveying worm has downward opening outlet 41, and the bottom in excavation cabin 3 can be stretched in the front portion of conveying worm.One-level screening mechanism 5 is located at outlet 41 place of conveying worm, and belt conveyor is located at the downstream of one-level screening mechanism 5.
One-level screening mechanism 5 comprises the sieves be arranged in parallel with conveying worm, and sieves is formed with multiple screening hole 51, for carrying out the dregs that the first conveyer 4 transports sieving obtaining the first dregs and the second dregs and the first dregs being delivered to second conveyor 6, wherein the particle diameter of the first dregs is greater than the particle diameter of the second dregs.In addition, movable cover plate is provided with at each above-mentioned screening hole 51 place to open and close screening hole 51.
Holding vessel 7 is located between one-level screening mechanism 5 and secondary screening mechanism 8, for receiving the second dregs that one-level screening mechanism 5 sieves out and the second dregs being delivered to secondary screening mechanism 8.Secondary screening mechanism 8 is connected to send the water sieved out back to holding vessel 7 with holding vessel 7.
Particularly, as shown in Figure 1, the top of holding vessel 7 has unlimited opening, and the inside of holding vessel 7 has the spatial accommodation of accommodation second dregs.The contiguous one-level screening mechanism 5 of the open end of holding vessel 7 is arranged and parallel with one-level screening mechanism 5, and namely the open end of holding vessel 7 upwards extends in vertical direction surface thereof, and now, the longitudinal cross-section shape of holding vessel 7 is irregular quadrangle.
Agitator tank 9 is located at the downstream of secondary screening mechanism 8, and has the mud 91 be mixed to form by swell soil and water in agitator tank 9.The sub-dregs that secondary screening mechanism 8 sieves out forms thickened drilling fluid after being uniformly mixed with mud 91 in agitator tank 9.
In addition, balancing earth-pressure shielding machine 100 also comprises drainage system 10 and drainage 11, and wherein drainage system 10 is connected between holding vessel 7 and excavation cabin 3, and drainage 11 is connected with holding vessel 7.After the water that secondary screening mechanism 8 sieves out is delivered to holding vessel 7, refills excavation cabin 3 by drainage system 10, also directly can be discharged by drainage 11, efficiently reduce the workload of secondary screening mechanism 8, improve operating efficiency.
During construction, in the good situation of formation particles grating, the cover plate on each above-mentioned screening hole 51 can be closed.Cutterhead 2 rotates formation when excavating, after dregs enters excavation cabin 3 by the opening on cutterhead 2, conveying worm bottom excavation cabin 3 is delivered on one-level screening mechanism 5, then be transported on belt conveyor by one-level screening mechanism 5, finally by transporting the device of dregs by dregs transportation to outside tunnel.
When formation particles grating is poor (such as, rich water sand-pebble layer etc.), the cover plate on each above-mentioned screening hole 51 can be opened.Cutterhead 2 rotates formation when excavating, and after dregs enters excavation cabin 3 by the opening on cutterhead 2, the conveying worm bottom excavation cabin 3 is delivered on one-level screening mechanism 5 and sieves, and obtains oarse-grained first dregs and short grained second dregs.Wherein the first dregs is transported on belt conveyor, and is transported to outside tunnel by the device transporting dregs, after the second dregs enters holding vessel 7, is delivered on secondary screening mechanism 8 by pump 12, then obtains water and sub-dregs through secondary screening mechanism 8 screening.After the water that secondary screening mechanism 8 sieves out refills holding vessel 7, inject excavation cabin 3 by pump 12, or directly discharge holding vessel 7 by drainage 11.The sub-dregs that secondary screening mechanism 8 sieves out is then delivered to the agitator tank 9 that mud 91 is housed, after sub-dregs is uniformly mixed into thickened drilling fluid with mud 91, excavation cabin 3 is delivered to by pump 12, to improve formation particles grating situation, not only effectively control stratum settlement, also enhance the self-stability of excavation face.
According to the balancing earth-pressure shielding machine 100 of the utility model embodiment, by arranging one-level screening mechanism 5 and agitator tank 9, again be delivered to after mud 91 in granule dregs and agitator tank 9 is uniformly mixed and excavate cabin 3, achieve the improvement of formation disproportionately graded situation.Thus, effectively can reduce the possibility of stratum settlement, and safety and reliability can be improved.
In the description of this manual, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.

Claims (10)

1. a balancing earth-pressure shielding machine, is characterized in that, comprising:
Cutterhead, described cutterhead is formed with opening;
Excavation cabin, described excavation cabin is located at the rear of described cutterhead, and described excavation cabin is inner and described open communication;
First conveyer, described first conveyer is connected with described excavation cabin;
Second conveyor, described second conveyor is located at the downstream of described first conveyer;
One-level screening mechanism, described one-level screening mechanism is located between described first conveyer and described second conveyor, described one-level screening mechanism is configured for and carries out the dregs transported from described first conveyer sieving obtaining the first dregs and the second dregs and described first dregs is delivered to described second conveyor, and the particle diameter of described first dregs is greater than the particle diameter of described second dregs; And
Agitator tank, described agitator tank is located at the below of described one-level screening mechanism, has mud in described agitator tank, and described agitator tank is configured for and is delivered to described excavation cabin by after described second dregs and described mud stirring.
2. balancing earth-pressure shielding machine according to claim 1, is characterized in that, comprises further:
Secondary screening mechanism, described secondary screening mechanism is located between described one-level screening mechanism and described agitator tank, and described secondary screening mechanism is configured for and sieves to obtain water and sub-dregs to described second dregs and described sub-dregs be delivered to described agitator tank and described water be delivered to described excavation cabin or directly discharge.
3. balancing earth-pressure shielding machine according to claim 2, is characterized in that, also comprises:
Holding vessel, described holding vessel is located between described one-level screening mechanism and described secondary screening mechanism, and described holding vessel is configured for and receives described second dregs that sieves out of described one-level screening mechanism and described second dregs is delivered to described secondary screening mechanism.
4. balancing earth-pressure shielding machine according to claim 3, is characterized in that, described secondary screening mechanism is connected to send the described water sieved out back to described holding vessel with described holding vessel,
Comprise further:
Drainage system, described drainage system is connected between described holding vessel and described excavation cabin.
5. balancing earth-pressure shielding machine according to claim 3, is characterized in that, also comprises:
Drainage, described drainage is connected with described holding vessel.
6. the balancing earth-pressure shielding machine according to any one of claim 1-5, it is characterized in that, described one-level screening mechanism comprises sieves, described sieves is formed with multiple screening hole, and each described screening hole place is provided with movable cover plate to open and close described screening hole.
7. balancing earth-pressure shielding machine according to claim 6, is characterized in that, described sieves is obliquely installed.
8. balancing earth-pressure shielding machine according to claim 1, is characterized in that, described first conveyer is conveying worm.
9. balancing earth-pressure shielding machine according to claim 1, is characterized in that, described second conveyor is belt conveyor.
10. balancing earth-pressure shielding machine according to claim 1, is characterized in that, described mud is mixed to form by swell soil and water.
CN201520912746.XU 2015-11-16 2015-11-16 Earth pressure balance shield machine Withdrawn - After Issue CN205117346U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105350974A (en) * 2015-11-16 2016-02-24 中国铁建重工集团有限公司 Earth pressure balance shield machine
CN108380274A (en) * 2018-01-11 2018-08-10 中国铁建重工集团有限公司 A kind of breaker and shield machine for slurry balance 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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105350974A (en) * 2015-11-16 2016-02-24 中国铁建重工集团有限公司 Earth pressure balance shield machine
CN108380274A (en) * 2018-01-11 2018-08-10 中国铁建重工集团有限公司 A kind of breaker and shield machine for slurry balance shield machine
CN108380274B (en) * 2018-01-11 2020-05-12 中国铁建重工集团股份有限公司 A breaker and shield structure machine for muddy water balance shield constructs 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

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