CN114165252A - Device for preventing double-mold shield slurry mode spiral soil outlet from being blocked and soil discharging equipment - Google Patents
Device for preventing double-mold shield slurry mode spiral soil outlet from being blocked and soil discharging equipment Download PDFInfo
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- CN114165252A CN114165252A CN202111491756.7A CN202111491756A CN114165252A CN 114165252 A CN114165252 A CN 114165252A CN 202111491756 A CN202111491756 A CN 202111491756A CN 114165252 A CN114165252 A CN 114165252A
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- slitting
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- 239000002689 soil Substances 0.000 title claims abstract description 81
- 239000002002 slurry Substances 0.000 title claims abstract description 20
- 238000007599 discharging Methods 0.000 title abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000010802 sludge Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 4
- 239000013049 sediment Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/124—Helical conveying means therefor
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- 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 device for preventing a spiral soil outlet of a double-mold shield slurry mode from being blocked and soil discharging equipment, relates to the technical field of shield construction, and solves the problem that a pipeline between a screw machine and a mud pump is easily blocked by massive mud residues in the shield construction process of the double-mold shield slurry balance mode; the first cutting disc divides the channel of the area where the first cutting disc is located into a plurality of first sub-channels which are sequentially arranged along the circumferential direction, and all the first sub-channels are continuous along the soil conveying direction and are independent from each other; the second cutting disc divides the channel of the area where the second cutting disc is located into a plurality of second sub-channels which are sequentially distributed along the circumferential direction, and all the second sub-channels are continuous along the soil conveying direction and are independent from each other; a first sub-passage communicates with at least two second sub-passages in the earth-conveying direction. The invention can better solve the problem that the large mud blocks the pipe.
Description
Technical Field
The invention relates to the technical field of shield construction, in particular to a device for preventing a double-mode shield mud-water mode spiral soil outlet from blocking a pipe and soil discharging equipment.
Background
In the double-mode shield mud-water balance mode shield construction process, a pipeline between the screw machine and the mud pump is easily blocked by large mud slag discharged from the screw machine.
Disclosure of Invention
The invention aims to design a device for preventing a double-mold shield slurry mode spiral soil outlet from blocking a pipe, which can better solve the problem that large mud slag discharged from a screw machine blocks the pipe in the double-mold shield slurry mode construction process, save cost and time and improve construction efficiency.
The invention is realized by the following technical scheme:
a device for preventing a double-mold shield mud-water mode spiral soil outlet from blocking a pipe comprises a slitting pipe, a first slitting disc and a second slitting disc;
a continuous through channel for conveying soil is arranged in the slitting pipe;
the inner wall of the cutting pipe is connected with the first cutting disc and the second cutting disc; the first cutting disc and the second cutting disc are sequentially arranged in the cutting pipe along the soil conveying direction;
the first cutting disc divides the channel of the area where the first cutting disc is located into a plurality of first sub-channels which are sequentially arranged along the circumferential direction, and all the first sub-channels are continuous along the soil conveying direction and are independent from each other;
the second cutting disc divides the channel of the area where the second cutting disc is located into a plurality of second sub-channels which are sequentially distributed along the circumferential direction, and all the second sub-channels are continuous along the soil conveying direction and are independent from each other;
one first sub-channel is communicated with at least two second sub-channels along the soil conveying direction.
When adopting above-mentioned structure that sets up, first cutting dish and second cutting dish set gradually along earth direction of delivery, and a first subchannel communicates two at least second subchannels along earth direction of delivery, and like this, first cutting dish and second cutting dish can carry out gradual continuous twice to cutting intraductal earth of carrying cutting and cut, finally form less soil block discharge slitting pipe, can better solve the problem of the stifled pipe of the bold mud sediment of following the screw machine discharge in the bimodulus shield mud water mode work progress, and the cost is saved, time, and the efficiency of construction is improved.
In order to further better implement the invention, the following arrangement structure is particularly adopted: one first sub-channel is communicated with two second sub-channels along the soil conveying direction.
In order to further better implement the invention, the following arrangement structure is particularly adopted: the first cutting disc comprises four first cutting plates which are sequentially arranged along the circumferential direction, the second ends of the first cutting plates are connected with the inner wall of the dividing and cutting pipe, the first ends of all the first cutting plates are connected with each other, and a first sub-channel is formed between every two adjacent first cutting plates;
the second slitting disc comprises four second slitting plates which are sequentially arranged along the circumferential direction, the second ends of the second slitting plates are connected with the inner wall of the slitting pipe, the first ends of all the second slitting plates are connected with each other, and one second sub-channel is formed between every two adjacent second slitting plates.
Further: the first end of the first cutting plate is connected with the first end of the second cutting plate, so that the tail end of the first sub-channel is connected with the starting end of the second sub-channel.
When adopting above-mentioned structure that sets up, earth can be cut by the second minute cutting board again at once after discharging from first subchannel, the guarantee earth that can be better divides the effect of being cut into the fritter.
In order to further better implement the invention, the following arrangement structure is particularly adopted: all the first cutting plates are equal in length, and all the second cutting plates are equal in length.
When the structure is arranged, the lengths of all the first cutting plates are equal, so that the areas of all the first sub-channels are close to each other, the size of the soil block cut for the first time is guaranteed to be close to each other, the lengths of all the second cutting plates are equal, so that the areas of all the second sub-channels are close to each other, the size of the soil block cut for the second time is guaranteed to be close to each other, and the occurrence of overlarge soil blocks can be avoided.
In order to further better implement the invention, the following arrangement structure is particularly adopted: all the first cutting plates are arranged at equal angles along the circumferential direction, and all the second cutting plates are arranged at equal angles along the circumferential direction.
When the structure is adopted, the areas between the first sub-channels and between the second sub-channels can be further reduced by arranging all the first cutting plates and all the second cutting plates at equal angles along the circumferential direction, so that the sizes of the soil blocks which are cut for the first time and the second time are closer.
In order to further better implement the invention, the following arrangement structure is particularly adopted: all the first cutting plates and all the second cutting plates are arranged in a shape like a Chinese character 'mi' along the circumferential direction.
When the structure is arranged, the second cutting plate is located at the angle horizontal dividing line position of the corresponding first sub-channel, so that the first cutting disc and the second cutting disc form a linear cutting structure, and soil blocks can be cut more uniformly to avoid pipe blockage better.
In order to further better implement the invention, the following arrangement structure is particularly adopted: the slitting pipe sets up to the reducing pipe of necking down gradually along earth direction of delivery, or, the passageway of slitting pipe sets up to the shoulder hole, the second slitting dish place is regional the pipe diameter of passageway is less than first slitting dish place is regional the passageway pipe diameter.
Further: the pipe diameter of the slitting pipe is reduced along the soil conveying direction, so that the probability that the larger piece of soil is slit by the second slitting plate is improved, the average block diameter of the soil blocks discharged from the slitting pipe can be further reduced, and the anti-blocking effect is improved.
In order to further better implement the invention, the following arrangement structure is particularly adopted: and a flange plate is arranged at one end part of the slitting pipe.
The invention also provides unearthing equipment for preventing the double-mold shield mud-water mode spiral unearthing port from being blocked, which comprises a spiral conveyor, a mud discharging pipe and the device for preventing the double-mold shield mud-water mode spiral unearthing port from being blocked, wherein one end of the dividing pipe, which is close to the first dividing disc, is connected with the unearthing port of the spiral conveyor, and one end of the dividing pipe, which is close to the second dividing disc, is connected with the mud discharging pipe.
The invention has the following advantages and beneficial effects:
according to the invention, the first cutting disc and the second cutting disc are sequentially arranged along the soil conveying direction, and the first sub-channel is communicated with the at least two second sub-channels along the soil conveying direction, so that the first cutting disc and the second cutting disc can gradually and continuously cut the soil conveyed in the cutting pipes for two times, and finally a small soil block discharging cutting pipe is formed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of the apparatus of example 3 (wherein a first sub-channel is represented by a coarse grid fill and a second sub-channel is represented by a fine grid fill);
FIG. 2 is a side view of the apparatus in example 3;
FIG. 3 is a front view of the apparatus of example 4 (the cross-section of the beginning of the second sub-channel is circled with a dashed line);
FIG. 4 is a side view of the apparatus in example 4;
FIG. 5 shows a plant diagram of the device in connection with a screw conveyor;
labeled as:
1. cutting the tube;
2. a first cutting disc; 20. a first sub-channel; 21. a first cutting plate;
3. a second cutting disc; 30. a second sub-channel; 31. a second cutting plate;
4. a flange plate;
5. a screw conveyor; 6. a sludge discharge pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
Example 1:
a device for preventing a double-mold shield slurry mode spiral unearthing port from blocking a pipe can better solve the problem that a large mud block discharged from a screw machine blocks the pipe in the double-mold shield slurry mode construction process, saves cost and time, improves construction efficiency, and is particularly set to be in the following structure as shown in figures 1, 2, 3, 4 and 5:
this kind of prevent that bimodulus shield constructs device of mud water mode spiral unearthed mouthful stifled pipe for the transfer passage who is used for carrying earth in this embodiment, this passageway has the ability of cutting big piece earth into fritter earth.
In particular, the device comprises a slitting tube 1, a first slitting disc 2 and a second slitting disc 3.
The inside of the cutting pipe 1 is provided with a continuous through channel for conveying soil, the pipe wall of the channel is closed, and two ends of the channel are opened.
The inner wall of the pipe of the cutting pipe 1 is connected with a first cutting disc 2 and a second cutting disc 3, and the first cutting disc 2 and the second cutting disc 3 are sequentially arranged in the cutting pipe 1 along the soil conveying direction.
The outer side of the first cutting disc 2 is fixedly connected with the inner wall of the cutting pipe 1, the first cutting disc 2 is provided with a hollowed-out part, a channel in the region where the first cutting disc is located is divided into a plurality of first sub-channels 20 which are sequentially arranged along the circumferential direction, and all the first sub-channels 20 are continuous along the soil conveying direction and are independent of each other.
The structure of the second cutting disc 3 is the same as or similar to that of the first cutting disc 2, the outer side of the second cutting disc 3 is fixedly connected with the inner wall of the cutting pipe 1, the second cutting disc 3 is provided with a hollowed-out part, a channel in the area where the second cutting disc 3 is located is divided into a plurality of second sub-channels 30 which are sequentially arranged along the circumferential direction, and all the second sub-channels 30 are continuous along the soil conveying direction and are independent of each other.
The first sub-channel 20 and the second sub-channel 30 are arranged in a staggered mode in the circumferential direction of the channels, so that one first sub-channel 20 is communicated with at least two second sub-channels 30 in the soil conveying direction, and the second cutting disc 3 has the function of cutting soil conveyed from one first sub-channel 20 into two second sub-channels 30 arranged in a staggered mode with the first sub-channel 20.
In the device of this embodiment, first cutting dish 2 and second cutting dish 3 set gradually along earth direction of delivery, and a first subchannel 20 along two at least second subchannels 30 of earth direction of delivery intercommunication, like this, first cutting dish 2 and second cutting dish 3 can carry out gradual continuous twice to the earth of carrying in dividing and cutting pipe 1 and cut, finally form less soil block discharge dividing and cutting pipe 1, can solve the problem of following the stifled pipe of screw conveyer exhaust bold mud sediment in the double mould shield muddy water mode work progress better, and the cost is saved, time, and the efficiency of construction is improved.
Example 2:
the embodiment is further optimized on the basis of the above embodiment, and in order to further better implement the invention, the following arrangement structure is particularly adopted:
in this embodiment, one first sub-channel 20 is communicated with two second sub-channels 30 along the soil conveying direction, that is, one part of two adjacent second sub-channels 30 corresponds to one first sub-channel 20 together, so that the soil discharged from the first sub-channel 20 after being primarily cut can be secondarily cut by the cutting structure between two adjacent second sub-channels 30 and then respectively enter the two adjacent second sub-channels 30.
Specifically, the slitting dish of this embodiment comprises the slitting board, and the slitting board is as the structure of cutting earth.
First cutting dish 2 includes four first cutting boards 21, and four first cutting boards 21 arrange the setting in proper order along circumference, and the first end of first cutting board 21 is closer to the center of slitting pipe 1 than its second section. The second ends of the first dividing plates 21 are fixedly connected to the inner wall of the dividing pipe 1, the first ends of all the four first dividing plates 21 are fixedly connected to each other to form a radial structure, and the inner walls of the dividing pipe 1 between the two adjacent first dividing plates 21 and the second ends of the two adjacent first dividing plates 21 jointly enclose to form a first sub-channel 20.
The basic structure of the second cutting disc 3 is the same as that of the first cutting disc 2, and is a radial structural member, the second cutting disc 3 comprises four second cutting plates 31, the four second cutting plates 31 are sequentially arranged along the circumferential direction, and the first ends of the second cutting plates 31 are closer to the center of the cutting pipe 1 than the second ends of the second cutting plates 31. The second ends of the second dividing plates 31 are fixedly connected to the inner wall of the dividing pipe 1, the first ends of all the four second dividing plates 31 are fixedly connected to each other, and the inner walls of the dividing pipe 1 between the second ends of two adjacent second dividing plates 31 and the second ends of the two adjacent second dividing plates 31 enclose together to form a second sub-channel 30.
The cutting disc of this kind of structure sets gradually along earth direction of delivery in the branch pipe 1 to let a first subchannel 20 dislocation correspond two second subchannels 30, can let the earth piece through twice cutting of cutting plate when managing 1 through the branch, can reduce the average block footpath of earth piece step by step, reduce the condition emergence that the passageway was blockked up to bold earth piece.
The distance between the first cutting disc 2 and the second cutting disc 3 is not particularly required, an axial (soil conveying direction) gap may be present between the two discs, but the gap is preferably zero, because the gap is present to allow the once-cut soil blocks to be uniformly mixed again in the cutting pipe 1 before entering the second sub-passage 30, the density of large soil blocks at each position in the soil tends to be balanced, in this case, the probability that any larger soil block after being once-cut is pushed onto the second cutting plate 31 is reduced, a larger chance of directly passing through the second sub-passage 30 is provided, the larger the gap is, the probability is larger, if the gap is zero, the soil block after being once-cut is directly pushed to the second cutting disc 3, and any larger soil block after being once-cut has insufficient time to be mixed with the rest soil, there is a greater probability of directly hitting the second dividing plate 31. In this embodiment, when the gap is zero, the first end of the first cutting plate 21 is fixedly connected to the first end of the second cutting plate 31, so that the end of the first sub-channel 20 is connected to the beginning of the second sub-channel 30, and thus, the soil can be immediately cut by the second cutting plate 31 after being discharged from the first sub-channel 20, thereby better ensuring the effect of cutting the soil into small pieces.
In order to further improve the soil cutting effect, preferably, the lengths of all the first cutting plates 21 are equal, and the lengths of all the second cutting plates 31 are equal, so that the lengths of all the first cutting plates 21 are equal to enable the areas of all the first sub-channels 20 to be close to each other, the size of the soil blocks to be cut for the first time is guaranteed to be close to each other, the lengths of all the second cutting plates 31 are equal to enable the areas of all the second sub-channels 30 to be close to each other, the size of the soil blocks to be cut for the second time is guaranteed to be close to each other, and the occurrence of overlarge soil blocks can be avoided. On this basis, in order to further improve the soil cutting effect, all the first cutting plates 21 can be arranged at equal angles along the circumferential direction, and all the second cutting plates 31 are arranged at equal angles along the circumferential direction, so that the areas between the first sub-channels 20 and between the second sub-channels 30 can be further reduced by arranging all the first cutting plates 21 and all the second cutting plates 31 at equal angles along the circumferential direction, and the sizes of the soil blocks which are cut for the first time and the second time are closer. On this basis, in order to further improve the effect of cutting of earth, can let all first minute cutting board 21 and all second minute cutting board 31 constitute the meter font along circumference and arrange, let first minute cutting dish 2 and second minute cutting dish 3 dislocation 45 set up promptly and make second minute cutting board 31 be located the angle level parting line position of a corresponding first subchannel 20, make first minute cutting dish 2 and second minute cutting dish 3 constitute the structure of cutting of a meter font, can guarantee that the earth piece is cut more evenly, in order to avoid stifled pipe better.
Example 3:
the embodiment is further optimized on the basis of the embodiment 2, and particularly adopts the following arrangement structure for better realizing the invention:
the slitting pipe 1 in this embodiment is a reducing pipe which gradually narrows down in the soil conveying direction, and the cross section of the reducing pipe can be circular or square.
In order to facilitate connection with the unearthed end of the screw conveyor, a flange 4 is provided at one end of the slitting pipe 1.
The other end of the cutting pipe 1 used for connecting with the sludge discharge pipe can be connected with a section of circular pipe.
The pipe diameter of the slitting pipe 1 in this embodiment becomes less along the earth conveying direction and can make the probability that the great piece of earth is slit by the second slitting plate 31 improve, can further reduce the average block diameter of the earth piece of discharging from the slitting pipe 1, improves and prevents stifled effect.
Example 4:
the embodiment is further optimized on the basis of the embodiment 2, and particularly adopts the following arrangement structure for better realizing the invention:
the slitting pipe 1 in this embodiment can be formed by butt-jointing two pipes with different inner diameters, so that the passage of the slitting pipe 1 is formed into a stepped hole, the pipe diameter ratio of the front passage to the rear passage of the slitting pipe 1 is 2:1, and the pipe diameter of the passage in the area where the second slitting disc 3 is located is smaller than that of the passage in the area where the first slitting disc 2 is located.
In order to facilitate connection with the unearthed end of the screw conveyor, a flange 4 is provided at one end of the slitting pipe 1.
The other end of the cutting pipe 1 used for connecting with the sludge discharge pipe can be connected with a section of circular pipe.
The pipe diameter of the slitting pipe 1 in this embodiment becomes less along the earth conveying direction and can make the probability that the great piece of earth is slit by the second slitting plate 31 improve, can further reduce the average block diameter of the earth piece of discharging from the slitting pipe 1, improves and prevents stifled effect.
Example 5:
the embodiment further provides unearthing equipment for preventing the spiral unearthing hole in the double-mold shield slurry mode from being blocked by a pipe on the basis of the embodiment, and the following arrangement structure is particularly adopted:
this prevent unearthing equipment of stifled pipe of bimodulus shield mud water mode spiral unearthing mouth includes screw conveyer 5, mud pipe 6 and prevents the device of stifled pipe of bimodulus shield mud water mode spiral unearthing mouth, and the one end connection that branch cutting pipe 1 is close to first branch cutting disc 2 has ring flange 4, and branch cutting pipe 1 is through this ring flange 4
The soil discharging port of the spiral conveyor 5 is connected, one end of the cutting pipe 1 close to the second cutting disc 3 is connected with a section of circular pipe, and the sludge discharge pipe 6 is sleeved on the section of circular pipe of the cutting pipe 1.
In the construction process of the slurry balance type shield, a pipeline between the screw conveyor and the mud pump is easy to block, the device is connected to the soil outlet of the screw conveyor 5 in the construction process of the slurry balance type shield, so that a line-shaped plate is additionally arranged in the pipeline leading the screw conveyor 5 to the mud pipe 6, soil blocks discharged from the front end of the cutter head enter the screw conveyor 5, large soil blocks discharged from the screw conveyor 5 are tunneled into small soil blocks through the line-shaped plate, the small soil blocks can be smoothly discharged from the tail end of the device, the safe and efficient construction of the shield is ensured, the problem of pipe blockage in a dual-mode shield slurry mode is solved, the cost and the time are saved, and the construction efficiency is improved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.
Claims (10)
1. The utility model provides a prevent stifled device of pipe of bimodulus shield mud water mode spiral unearthed mouth which characterized in that: comprises a cutting pipe (1), a first cutting disc (2) and a second cutting disc (3);
the inside of the cutting pipe (1) is provided with a continuous through channel for conveying soil;
the inner wall of the cutting pipe (1) is connected with the first cutting disc (2) and the second cutting disc (3); the first cutting disc (2) and the second cutting disc (3) are sequentially arranged in the cutting pipe (1) along the soil conveying direction;
the channel of the area where the first cutting disc (2) is located is divided into a plurality of first sub-channels (20) which are sequentially arranged along the circumferential direction by the first cutting disc (2), and all the first sub-channels (20) are continuous along the soil conveying direction and are independent from each other;
the channel of the area where the second cutting disc (3) is located is divided into a plurality of second sub-channels (30) which are sequentially arranged along the circumferential direction, and all the second sub-channels (30) are continuous along the soil conveying direction and are independent from each other;
one of the first sub-channels (20) communicates with at least two of the second sub-channels (30) in the soil conveying direction.
2. The device for preventing the pipe blockage of the spiral soil outlet in the double-mold shield slurry mode according to claim 1, wherein the device comprises: one first sub-channel (20) connects the two second sub-channels (30) in the soil conveying direction.
3. The device for preventing the pipe blockage of the spiral soil outlet in the double-mold shield slurry mode according to claim 2, characterized in that: the first cutting disc (2) comprises four first cutting plates (21) which are sequentially arranged along the circumferential direction, the second ends of the first cutting plates (21) are connected with the inner wall of the cutting pipe (1), the first ends of all the first cutting plates (21) are connected with each other, and a first sub-channel (20) is formed between every two adjacent first cutting plates (21);
the second slitting disk (3) comprises four second slitting plates (31) which are sequentially arranged along the circumferential direction, the second ends of the second slitting plates (31) are connected with the inner wall of the slitting pipe (1), all the first ends of the second slitting plates (31) are connected with each other, and the second ends of the second slitting plates (31) are adjacent to each other to form a second sub-channel (30).
4. The device for preventing the pipe blockage of the spiral soil outlet in the double-mold shield slurry mode according to claim 3, wherein the device comprises: all the first cutting plates (21) are equal in length, and all the second cutting plates (31) are equal in length.
5. The device for preventing the pipe blockage of the spiral soil outlet in the double-mold shield slurry mode according to claim 4, wherein the device comprises: all the first cutting plates (21) are arranged at equal angles along the circumferential direction, and all the second cutting plates (31) are arranged at equal angles along the circumferential direction.
6. The device for preventing the pipe blockage of the spiral soil outlet in the double-mold shield slurry mode according to claim 5, wherein the device comprises: all the first cutting plates (21) and all the second cutting plates (31) are arranged in a shape like a Chinese character 'mi' along the circumferential direction.
7. The device for preventing the pipe blockage of the spiral soil outlet in the double-mold shield muddy water mode according to any one of claims 1 to 6, wherein: the slitting pipe (1) is a reducing pipe which is gradually reduced in diameter along the soil conveying direction.
8. The device for preventing the pipe blockage of the spiral soil outlet in the double-mold shield muddy water mode according to any one of claims 1 to 6, wherein: the passage of the slitting pipe (1) is a stepped hole, and the pipe diameter of the passage in the area of the second slitting disc (3) is smaller than that of the passage in the area of the first slitting disc (2).
9. The device for preventing the pipe blockage of the spiral soil outlet in the double-mold shield slurry mode according to claim 1, wherein the device comprises: and a flange plate (4) is arranged at one end part of the slitting pipe (1).
10. The utility model provides a prevent unearthing equipment of stifled pipe of bimodulus shield mud water mode spiral unearthing mouth which characterized in that: the device for preventing the blockage of the spiral soil outlet in the double-mold shield slurry mode comprises a spiral conveyor (5), a sludge discharge pipe (6) and the device for preventing the blockage of the spiral soil outlet in the double-mold shield slurry mode as claimed in any one of claims 1 to 9, wherein one end, close to the first cutting disc (2), of the cutting pipe (1) is connected with the soil outlet of the spiral conveyor (5), and one end, close to the second cutting disc (3), of the cutting pipe (1) is connected with the sludge discharge pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111491756.7A CN114165252B (en) | 2021-12-08 | 2021-12-08 | Device for preventing pipe blocking of spiral soil outlet in double-mode shield slurry mode and soil outlet equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111491756.7A CN114165252B (en) | 2021-12-08 | 2021-12-08 | Device for preventing pipe blocking of spiral soil outlet in double-mode shield slurry mode and soil outlet equipment |
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| CN114165252A true CN114165252A (en) | 2022-03-11 |
| CN114165252B CN114165252B (en) | 2023-12-01 |
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| CN109578743A (en) * | 2018-12-07 | 2019-04-05 | 上海市基础工程集团有限公司 | For mire water equilibrium tube spoil disposal anti-block apparatus |
| CN111577298A (en) * | 2020-05-28 | 2020-08-25 | 中铁十一局集团城市轨道工程有限公司 | Prevent gushing water and gush safe shield structure machine screw conveyer of sand |
| CN112855192A (en) * | 2021-02-07 | 2021-05-28 | 中铁工程装备集团有限公司 | Shield tunneling machine with muddy water mode and slag conglomeration dispersing device thereof |
| CN213743410U (en) * | 2020-11-23 | 2021-07-20 | 广州地铁集团有限公司 | Earth pressure balance shield constructs screw conveyer's unearthing mouth optimizing apparatus |
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2021
- 2021-12-08 CN CN202111491756.7A patent/CN114165252B/en active Active
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| CN105908766A (en) * | 2016-05-03 | 2016-08-31 | 上海市基础工程集团有限公司 | Mud discharge bin device of spiral mud excavator |
| CN206842368U (en) * | 2017-06-06 | 2018-01-05 | 中交二公局第四工程有限公司 | It is used for the conveying worm slag hole device gently slagged tap in a kind of shield tunneling |
| CN107956478A (en) * | 2017-11-22 | 2018-04-24 | 上海隧道工程有限公司 | For earth pressure balanced shield, EPBS or jacking construction excavation device and go out indigenous method |
| CN109578743A (en) * | 2018-12-07 | 2019-04-05 | 上海市基础工程集团有限公司 | For mire water equilibrium tube spoil disposal anti-block apparatus |
| CN111577298A (en) * | 2020-05-28 | 2020-08-25 | 中铁十一局集团城市轨道工程有限公司 | Prevent gushing water and gush safe shield structure machine screw conveyer of sand |
| CN213743410U (en) * | 2020-11-23 | 2021-07-20 | 广州地铁集团有限公司 | Earth pressure balance shield constructs screw conveyer's unearthing mouth optimizing apparatus |
| CN112855192A (en) * | 2021-02-07 | 2021-05-28 | 中铁工程装备集团有限公司 | Shield tunneling machine with muddy water mode and slag conglomeration dispersing device thereof |
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| CN114165252B (en) | 2023-12-01 |
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