CN114165252B - Device for preventing pipe blocking of spiral soil outlet in double-mode shield slurry mode and soil outlet equipment - Google Patents
Device for preventing pipe blocking of spiral soil outlet in double-mode shield slurry mode and soil outlet equipment Download PDFInfo
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- CN114165252B CN114165252B CN202111491756.7A CN202111491756A CN114165252B CN 114165252 B CN114165252 B CN 114165252B CN 202111491756 A CN202111491756 A CN 202111491756A CN 114165252 B CN114165252 B CN 114165252B
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- 239000002689 soil Substances 0.000 title claims abstract description 83
- 230000000903 blocking effect Effects 0.000 title claims abstract description 23
- 239000002002 slurry Substances 0.000 title abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 6
- 239000010802 sludge Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 8
- 238000007599 discharging Methods 0.000 description 4
- 239000013049 sediment Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
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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
Abstract
The invention provides a device and equipment for preventing a pipe from being blocked at a spiral soil outlet in a dual-mode shield slurry mode, relates to the technical field of shield construction, and solves the problem that a pipeline between a screw machine and a sludge pump is easily blocked by massive sludge in the shield construction process in the dual-mode shield slurry balance mode; the first dividing and cutting disc divides the channel of the area where the first dividing and cutting disc is located into a plurality of first sub-channels which are sequentially distributed along the circumferential direction, and all the first sub-channels are continuous along the soil conveying direction and independent from each other; the channels of the area where the second slitting discs are positioned are divided 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 independent from each other; a first sub-passage communicates with at least two second sub-passages along the soil conveying direction. The invention can better solve the problem of blocking the pipe by the large-scale sludge.
Description
Technical Field
The invention relates to the technical field of shield construction, in particular to a device and equipment for preventing a double-mode shield slurry mode spiral soil outlet from blocking a pipe.
Background
In the construction process of the dual-mode shield slurry balance mode shield, a pipeline between the screw machine and the sludge discharge pump is easily blocked by massive sludge discharged from the screw machine.
Disclosure of Invention
The invention aims to design a device for preventing a double-mode shield slurry mode spiral soil outlet from blocking a pipe, which can better solve the problem of blocking the pipe by massive sludge discharged from a spiral machine in the double-mode shield slurry mode construction process, saves cost and time and improves construction efficiency.
The invention is realized by the following technical scheme:
a device for preventing a double-mode shield mud water mode spiral soil outlet from blocking a pipe comprises a slitting pipe, a first slitting disc and a second slitting disc;
the inside of the splitting pipe is provided with a continuous through passage for conveying soil;
the inner wall of the slitting tube is connected with the first slitting disc and the second slitting disc; the first slitting discs and the second slitting discs are sequentially arranged in the slitting tube along the soil conveying direction;
the first dividing and cutting disc divides the channel of the area where the first dividing and cutting disc is located into a plurality of first sub-channels which are sequentially distributed along the circumferential direction, and all the first sub-channels are continuous along the soil conveying direction and independent of each other;
the second dividing and cutting disc divides the channel of the area where the second dividing and 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 independent of each other;
one first sub-channel is communicated with at least two second sub-channels along the soil conveying direction.
By adopting the arrangement structure, the first slitting disc and the second slitting disc are sequentially arranged along the soil conveying direction, and one first sub-channel is communicated with at least two second sub-channels along the soil conveying direction, so that the first slitting disc and the second slitting disc can slit soil conveyed in the slitting tube gradually and continuously twice, a small soil block discharging slitting tube is finally formed, the problem of large mud block blocking tubes discharged from the spiral machine in the double-mode shield mud water mode construction process can be better solved, the cost and time are saved, and the construction efficiency is improved.
Further, in order to better realize the invention, the following arrangement structure is adopted: one first sub-channel is communicated with two second sub-channels along the soil conveying direction.
Further, in order to better realize the invention, the following arrangement structure is adopted: the first slitting plate comprises four first slitting plates which are sequentially distributed along the circumferential direction, the second ends of the first slitting plates are connected with the inner wall of the slitting tube, the first ends of all the first slitting plates are connected with each other, and a first sub-channel is formed between two adjacent first slitting plates;
the second slitting plate comprises four second slitting plates which are sequentially distributed along the circumferential direction, the second ends of the second slitting plates are connected with the inner wall of the slitting tube, the first ends of all the second slitting plates are connected with each other, and a second sub-channel is formed between two adjacent second slitting plates.
Further: the first end of the first slitting plate is connected with the first end of the second slitting plate, so that the tail end of the first sub-channel is connected with the starting end of the second sub-channel.
By adopting the arrangement structure, soil can be immediately cut by the second cutting plate after being discharged from the first sub-channel, and the soil cutting effect can be better guaranteed.
Further, in order to better realize the invention, the following arrangement structure is adopted: all the first slitting plates have the same length, and all the second slitting plates have the same length.
By adopting the arrangement structure, the lengths of all the first slitting plates are equal, so that the areas of all the first sub-channels are relatively close, the sizes of soil blocks slit for the first time are ensured to be relatively close, the lengths of all the second slitting plates are equal, the areas of all the second sub-channels are ensured to be relatively close, the sizes of soil blocks slit for the second time are ensured to be relatively close, and oversized soil blocks can be avoided.
Further, in order to better realize the invention, the following arrangement structure is adopted: all the first slitting plates are distributed along the circumferential direction at equal angles, and all the second slitting plates are distributed along the circumferential direction at equal angles.
When the arrangement structure is adopted, the areas between the first sub-channels and the second sub-channels can be further reduced by arranging all the first slitting plates and all the second slitting plates along the circumferential direction at equal angles, so that the sizes of the soil blocks slit for the first time and the second time are more similar.
Further, in order to better realize the invention, the following arrangement structure is adopted: all the first slitting plates and all the second slitting plates are distributed in a shape like a Chinese character 'mi' along the circumferential direction.
When adopting above-mentioned setting structure, the second cuts the board and is located the angular bisector position of a corresponding first subchannel, makes first cutting dish and second cutting dish constitute the cutting structure of a meter font, can guarantee that the soil block is cut more evenly to avoid stifled pipe better.
Further, in order to better realize the invention, the following arrangement structure is adopted: the slitting pipe is a reducing pipe gradually necking along the soil conveying direction, or the passage of the slitting pipe is a stepped hole, and the pipe diameter of the passage in the area where the second slitting disc is located is smaller than that of the passage in the area where the first slitting disc is located.
Further: the pipe diameter of the slitting pipe is reduced along the conveying direction of soil, so that the probability that larger 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.
Further, in order to better realize the invention, the following arrangement structure is adopted: one end of the slitting tube is provided with a flange plate.
The invention also provides a device for preventing the double-mode shield slurry mode spiral outlet from blocking the pipe, which comprises a spiral conveyor, a mud pipe and the device for preventing the double-mode shield slurry mode spiral outlet from blocking the pipe, wherein one end of the cutting pipe, which is close to the first cutting disc, is connected with the soil outlet port of the spiral conveyor, and one end of the cutting pipe, which is close to the second cutting disc, is connected with the mud pipe.
The invention has the following advantages and beneficial effects:
according to the invention, the first slitting disc and the second slitting disc are sequentially arranged along the soil conveying direction, and one first sub-channel is communicated with at least two second sub-channels along the soil conveying direction, so that the first slitting disc and the second slitting disc can slit soil conveyed in the slitting pipe gradually and continuously twice, finally smaller soil blocks are formed to be discharged out of the slitting pipe, the problem that large blocks of mud blocks are discharged from the screw machine to block the pipe in the construction process of the dual-mode shield mud water mode can be well solved, the cost and the time are saved, and the construction efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of the device of example 3 (one of the first sub-channels is represented by a coarse grid fill and one of the second sub-channels is represented by a fine grid fill);
FIG. 2 is a side view of the device of example 3;
FIG. 3 is a front view of the device of example 4 (the beginning cross section of the second sub-channel is circled with a dashed line);
FIG. 4 is a side view of the device of example 4;
FIG. 5 shows a plant view of the apparatus in connection with a screw conveyor;
marked in the figure as:
1. cutting the pipe;
2. a first slitting tray; 20. a first sub-channel; 21. a first slitting plate;
3. a second dividing and cutting disc; 30. a second sub-channel; 31. a second dividing plate;
4. a flange plate;
5. a screw conveyor; 6. a mud 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 will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
In the description of the present invention, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore 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 explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
Example 1:
the utility model provides a prevent that double mode shield mud mode spiral outlet from blocking up device of pipe, can better solve the problem of the stifled pipe of big piece mud sediment of follow screw machine discharge in the double mode shield mud mode work progress, practiced thrift cost, time, improved the efficiency of construction, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, set up to following structure in particular:
the device for preventing the pipe from being blocked by the spiral soil outlet in the dual-mode shield slurry mode is a conveying channel for conveying soil, and the channel has the capability of cutting large soil into small soil.
Specifically, the device comprises a slitting tube 1, a first slitting disc 2 and a second slitting disc 3.
The inside of the slitting pipe 1 is provided with a continuous through passage for conveying soil, the pipe wall of the passage is closed, and the two ends of the passage are opened.
The first cutting disc 2 and the second cutting disc 3 are connected to the inner wall of the cutting tube 1, and the first cutting disc 2 and the second cutting disc 3 are sequentially arranged in the cutting tube 1 along the soil conveying direction.
The outside of first cutting dish 2 and the inner wall fixed connection who cuts pipe 1, the first cutting dish 2 have the position of fretwork, separate a plurality of first subchannels 20 of arranging in proper order along circumference with the passageway in its place region, all first subchannels 20 are all continuous and independent each other along earth direction of delivery.
The structure of the second slitting disc 3 is the same as or similar to that of the first slitting disc 2, the outer side of the second slitting disc 3 is fixedly connected with the inner wall of the slitting tube 1, the second slitting disc 3 is provided with hollowed-out parts, a plurality of second sub-channels 30 which are sequentially distributed along the circumferential direction are separated from channels in the area where the second slitting disc is located, and all the second sub-channels 30 are continuous along the soil conveying direction and are independent from each other.
The first sub-channels 20 and the second sub-channels 30 are arranged in a staggered manner in the circumferential direction of the channel, so that one first sub-channel 20 is communicated with at least two second sub-channels 30 along the soil conveying direction, and the second slitting disc 3 has the function of slitting soil conveyed from one first sub-channel 20 into the two second sub-channels 30 arranged in a staggered manner 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 is along at least two second subchannels 30 of earth direction of delivery intercommunication, like this, first cutting dish 2 and second cutting dish 3 can cut twice that the earth of carrying in cutting pipe 1 is gradual, finally form less soil block discharge cutting pipe 1, can better solve the problem of follow screw machine exhaust big piece mud sediment stifled pipe in the dual mode shield mud mode work progress, cost is saved, time, efficiency of construction has been improved.
Example 2:
the embodiment is further optimized based on the embodiment, and further, for better realizing the invention, the following arrangement structure is adopted:
in this embodiment, one first sub-channel 20 is communicated with two second sub-channels 30 along the soil conveying direction, that is, a part of two adjacent second sub-channels 30 corresponds to one first sub-channel 20 together, so that once-cut soil discharged from the first sub-channel 20 can be respectively entered into the two adjacent second sub-channels 30 after being cut by the cutting structure between the two adjacent second sub-channels 30 for the second time.
Specifically, the slitting tray of this embodiment comprises the slitting board, and the slitting board is as the slitting structure of slitting earth.
The first slitting tray 2 comprises four first slitting plates 21, the four first slitting plates 21 are sequentially arranged along the circumferential direction, and the first ends of the first slitting plates 21 are closer to the center of the slitting tube 1 than the second sections of the first slitting plates. The second ends of the first splitting plates 21 are fixedly connected to the inner wall of the splitting pipe 1, the first ends of all four first splitting plates 21 are fixedly connected to each other to form a radial structure, and two adjacent first splitting plates 21 and the inner wall of the splitting pipe 1 between the second ends of the two adjacent first splitting plates 21 are enclosed together to form a first sub-channel 20.
The basic structure of the second slitting plate 3 is the same as that of the first slitting plate 2, and the second slitting plate 3 comprises four second slitting plates 31, the four second slitting plates 31 are sequentially distributed along the circumferential direction, and the first ends of the second slitting plates 31 are closer to the center of the slitting tube 1 than the second sections of the first ends. The second ends of the second dividing and cutting plates 31 are fixedly connected to the inner wall of the dividing and cutting tube 1, the first ends of all four second dividing and cutting plates 31 are fixedly connected to each other, and two adjacent second dividing and cutting plates 31 and the inner wall of the dividing and cutting tube 1 between the second ends of the two adjacent second dividing and cutting plates 31 are jointly enclosed to form a second sub-channel 30.
The slitting tray of this kind of structure is in turn set up along earth direction of delivery in slitting pipe 1 to let a first subchannel 20 dislocation correspond two second subchannels 30, can let the soil block through slitting twice of cutting the board when cutting pipe 1, can reduce the average piece footpath of soil block step by step, reduce the condition emergence of big piece soil block jam passageway.
There is no particular requirement that there be an axial (in the direction of the earth conveyance) gap between the first and second dividing trays 2, 3, but it is preferable that the gap be zero, because the presence of the gap allows the once divided earth pieces to be mixed again uniformly in the dividing tube 1 before entering the second sub-channel 30, possibly tending to equalize the density of the large earth pieces everywhere in the earth, in which case the probability that any larger earth piece after once divided is pushed onto the second dividing plate 31 will be reduced, there will be a greater chance that it will pass directly from the second sub-channel 30, the greater the gap will be, the greater the probability that if the gap is zero, the earth piece after once divided will be pushed directly towards the second dividing tray 3, the larger earth piece after once divided will not have sufficient time to mix with the remaining earth, and the greater probability that it will directly hit the second dividing plate 31. In this embodiment, when the gap is zero, the first end of the first dividing and cutting plate 21 is fixedly connected with the first end of the second dividing and cutting plate 31, so that the end of the first sub-channel 20 is connected with the beginning end of the second sub-channel 30, and thus, the soil can be immediately divided and cut by the second dividing and cutting plate 31 after being discharged from the first sub-channel 20, and the effect of dividing and cutting the soil into small blocks can be better ensured.
In order to further improve the soil slitting effect, preferably, the lengths of all the first slitting plates 21 are equal, and the lengths of all the second slitting plates 31 are equal, so that the lengths of all the first slitting plates 21 are equal, the areas of all the first sub-channels 20 are relatively close, the sizes of soil blocks slit for the first time are ensured to be relatively close, the lengths of all the second slitting plates 31 are equal, the areas of all the second sub-channels 30 are ensured to be relatively close, the sizes of soil blocks slit for the second time are ensured to be relatively close, and oversized soil blocks can be avoided. On this basis, in order to further improve the soil slitting effect, all the first slitting plates 21 may be arranged at equal angles in the circumferential direction, and all the second slitting plates 31 may be arranged at equal angles in the circumferential direction, so that the areas between the first sub-channels 20 and between the second sub-channels 30 may be further reduced by arranging all the first slitting plates 21 and all the second slitting plates 31 at equal angles in the circumferential direction, so that the sizes of the soil blocks slit for the first time and the second time are closer. On this basis, in order to further improve the soil slitting effect, all the first slitting plates 21 and all the second slitting plates 31 can be arranged in a shape of a Chinese character 'mi' along the circumferential direction, namely, the first slitting plates 2 and the second slitting plates 3 are arranged in a staggered 45-degree manner, so that the second slitting plates 31 are positioned at the corresponding angular bisector positions of one first sub-channel 20, the first slitting plates 2 and the second slitting plates 3 form a slitting structure in a shape of a Chinese character 'mi', and the soil blocks can be ensured to be more uniformly slit, so that pipe blockage is better avoided.
Example 3:
this embodiment is further optimized based on embodiment 2, and further for better implementing the present invention, the following arrangement structure is specifically adopted:
the slitting tube 1 in this embodiment is provided as a reduced diameter tube gradually narrowed in the soil conveying direction, and its cross section may be circular, square, or the like.
In order to facilitate connection with the soil outlet of the screw conveyor, a flange 4 is provided at one end of the slitting tube 1.
The other end of the slitting pipe 1 is used for being connected with a mud discharging pipe, and a section of round pipe can be connected.
The pipe diameter of the slitting pipe 1 in this embodiment becomes smaller along the conveying direction of the soil, so that the probability that larger soil is slit by the second slitting plate 31 is improved, the average block diameter of the soil blocks discharged from the slitting pipe 1 can be further reduced, and the anti-blocking effect is improved.
Example 4:
this embodiment is further optimized based on embodiment 2, and further for better implementing the present invention, the following arrangement structure is specifically adopted:
in this embodiment, the splitting pipe 1 may be formed by butting two pipes with different inner diameters, so that the channel of the splitting pipe 1 is formed into a stepped hole, the pipe diameter ratio of the front channel to the rear channel of the splitting pipe 1 is 2:1, and the pipe diameter of the channel in the area where the second splitting disk 3 is located is smaller than the pipe diameter of the channel in the area where the first splitting disk 2 is located.
In order to facilitate connection with the soil outlet of the screw conveyor, a flange 4 is provided at one end of the slitting tube 1.
The other end of the slitting pipe 1 is used for being connected with a mud discharging pipe, and a section of round pipe can be connected.
The pipe diameter of the slitting pipe 1 in this embodiment becomes smaller along the conveying direction of the soil, so that the probability that larger soil is slit by the second slitting plate 31 is improved, the average block diameter of the soil blocks discharged from the slitting pipe 1 can be further reduced, and the anti-blocking effect is improved.
Example 5:
the embodiment further provides a soil outlet device for preventing a double-mode shield slurry mode spiral soil outlet from blocking a pipe on the basis of the embodiment, and the device particularly adopts the following arrangement structure:
this kind of prevent that dual mode shield mud water mode spiral outlet from blocking up equipment of managing includes screw conveyer 5, mud pipe 6 and prevents the device of dual mode shield mud water mode spiral outlet from blocking up pipe, and the one end connection who cuts pipe 1 and be close to first cutting dish 2 has ring flange 4, cuts pipe 1 and passes through this ring flange 4
And the soil outlet of the spiral conveyor 5 is connected, one end of the slitting pipe 1, which is close to the second slitting disc 3, is connected with a section of circular pipe, and the mud discharging pipe 6 is sleeved on the section of circular pipe of the slitting pipe 1.
In the slurry balance mode shield construction process, a pipeline between a screw machine and a mud pump is easy to block, the device is connected to a soil outlet port of the screw conveyor 5, a one-meter-shaped plate is added in a pipeline of the screw conveyor 5 leading to a mud pipe 6, a mud block discharged from the front end of a cutter head enters the screw conveyor 5, a large mud block discharged from the screw conveyor 5 is cut into small mud blocks through the one-meter-shaped plate, and the small mud blocks can be smoothly discharged from the tail end of the device, so that safe and efficient tunneling construction of the shield is ensured, the problem of pipe blocking of a dual-mode shield slurry mode is solved, the cost and the time are saved, and the construction efficiency is improved.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention.
Claims (10)
1. A device for preventing a double-mode shield mud water mode spiral soil outlet from blocking a pipe is characterized in that: comprises a slitting tube (1), a first slitting disc (2) and a second slitting disc (3);
the inside of the splitting pipe (1) is provided with a continuous through passage for conveying soil;
the inner wall of the slitting tube (1) is fixedly connected with the first slitting disc (2) and the second slitting disc (3); the first slitting disc (2) and the second slitting disc (3) are sequentially arranged in the slitting tube (1) along the soil conveying direction;
the first slitting disc (2) divides the channel of the area where the first slitting disc is positioned into a plurality of first sub-channels (20) which are sequentially distributed along the circumferential direction, and all the first sub-channels (20) are continuous along the soil conveying direction and are independent from each other;
the channels of the area where the second slitting discs (3) are positioned are divided into a plurality of second sub-channels (30) which are sequentially distributed 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 direction of earth transport.
2. The device for preventing a double-mode shield mud-water mode spiral outlet from blocking a pipe according to claim 1, wherein: one of the first sub-passages (20) communicates with both of the second sub-passages (30) in the soil conveying direction.
3. The device for preventing a double-mode shield mud-water mode spiral soil outlet from blocking a pipe according to claim 2, wherein: the first slitting plate (2) comprises four first slitting plates (21) which are sequentially distributed along the circumferential direction, the second ends of the first slitting plates (21) are connected with the inner wall of the slitting tube (1), the first ends of all the first slitting plates (21) are connected with each other, and a first sub-channel (20) is formed between two adjacent first slitting plates (21);
the second slitting disc (3) comprises four second slitting plates (31) which are sequentially distributed along the circumferential direction, the second ends of the second slitting plates (31) are connected with the inner wall of the slitting tube (1), the first ends of all the second slitting plates (31) are connected with each other, and a second sub-channel (30) is formed between two adjacent second slitting plates (31).
4. A device for preventing a dual mode shield mud mode screw outlet from plugging a pipe according to claim 3, wherein: all the first slitting plates (21) have equal lengths and all the second slitting plates (31) have equal lengths.
5. The device for preventing a double-mode shield mud-water mode spiral outlet from blocking a pipe according to claim 4, wherein: all the first slitting plates (21) are arranged at equal angles along the circumferential direction, and all the second slitting plates (31) are arranged at equal angles along the circumferential direction.
6. The device for preventing a dual mode shield mud mode screw outlet from plugging a pipe according to claim 5, wherein: all the first slitting plates (21) and all the second slitting plates (31) are distributed in a shape like a Chinese character 'mi' along the circumferential direction.
7. A device for preventing a dual mode shield mud mode helical outlet from plugging a pipe according to any one of claims 1-6, wherein: the slitting pipe (1) is a reducing pipe which is gradually necked along the soil conveying direction.
8. A device for preventing a dual mode shield mud mode helical outlet from plugging a pipe according to any one of claims 1-6, wherein: the channel of the slitting tube (1) is provided with a stepped hole, and the pipe diameter of the channel in the area where the second slitting disc (3) is located is smaller than that of the channel in the area where the first slitting disc (2) is located.
9. The device for preventing a double-mode shield mud-water mode spiral outlet from blocking a pipe according to claim 1, wherein: one end part of the slitting tube (1) is provided with a flange plate (4).
10. The utility model provides a prevent that bimodulus shield mud water mode spiral outlet from blocking up equipment of unearthing of pipe which characterized in that: the device for preventing the double-mode shield mud mode spiral outlet from blocking the pipe comprises a spiral conveyor (5), a mud pipe (6) and the device for preventing the double-mode shield mud mode spiral outlet from blocking the pipe according to any one of claims 1 to 9, wherein one end, close to a first cutting disc (2), of the cutting pipe (1) is connected with the outlet of the spiral conveyor (5), and one end, close to a second cutting disc (3), of the cutting pipe (1) is connected with the mud 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 CN114165252A (en) | 2022-03-11 |
| CN114165252B true CN114165252B (en) | 2023-12-01 |
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