CN115012970B - Shield constructs quick-witted pile cutter dish with high pressure water jet cutting system - Google Patents
Shield constructs quick-witted pile cutter dish with high pressure water jet cutting system Download PDFInfo
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- CN115012970B CN115012970B CN202210587411.XA CN202210587411A CN115012970B CN 115012970 B CN115012970 B CN 115012970B CN 202210587411 A CN202210587411 A CN 202210587411A CN 115012970 B CN115012970 B CN 115012970B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 239000012530 fluid Substances 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000005641 tunneling Effects 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 5
- 241001136800 Anas acuta Species 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 10
- 239000004927 clay Substances 0.000 abstract description 8
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000006260 foam Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000034189 Sclerosis Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
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- 230000008602 contraction Effects 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
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- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
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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 discloses a pile cutting cutter head of a shield machine with a high-pressure water jet cutting system, which comprises a cutter head, wherein one side of the cutter head is provided with a crushing mechanism, the crushing mechanism comprises a fluid impact assembly and a mechanical impact assembly, the fluid impact assembly is positioned in the central region of the cutter head, the mechanical impact assembly is positioned in the middle region of the cutter head, the fluid impact assembly comprises a sleeve, a spiral groove is formed in the sleeve, and a rotating column is arranged in the sleeve. When the cutter head encounters an clay layer or a silt layer, the soil pressure of the cutter head is monitored in real time according to the soil pressure sensor arranged on the cutter head, if the soil pressure exceeds a limit value, the control terminal controls the fluid impact assembly and the mechanical impact assembly to work, the fluid impact assembly and the mechanical impact assembly are matched with each other to impact the central area and the middle area of the cutter head, the preformed mud cakes are manually intervened and damaged, the formed mud cakes are crushed, and the effects that the cutter head is prevented from being burnt, and the cutter cannot continuously cut soil bodies are achieved.
Description
Technical Field
The invention belongs to the technical field of shield equipment, and particularly relates to a shield machine pile cutting cutterhead with a high-pressure water jet cutting system.
Background
Shield constructs at clay stratum or silt stratum construction in-process, and the clay granule is very easily attached to on the blade disc under high pressure, high temperature environment, and is amazing more, and the clay granule is burnt the sclerosis and is hardened in the blade disc panel by extrusion high temperature, leads to the blade disc to be stuck with paste and dies, and the cutter can't continue cutting the soil body, and the soil body also can't get into the soil storehouse smoothly moreover to lead to shield structure machine blade disc moment of torsion increase, speed slow down.
Aiming at the problem of mud cake formation of a shield machine, a technology for improving the slag by adopting a slag improvement system has appeared, and the foam nozzle and the bentonite nozzle are arranged on the cutter head to improve the slag, so that the flow plasticity of the slag is increased, and the influence factors formed by the mud cake are reduced;
however, in the tunneling process of the shield cutter head, a clay layer or a powder soil layer easily blocks a foam injection outlet, so that the flowability of the residue soil in the central area and the middle area of the cutter head is poor, mud cakes are easily formed and cannot be crushed in time, and after the mud cakes are continuously accumulated, the shield cutter head cannot be tunneled smoothly due to the fact that the thickness of the mud cakes is too large.
Disclosure of Invention
The invention aims to provide a pile cutting cutterhead of a shield machine with a high-pressure water jet cutting system, which solves the problems that in the tunneling process of the shield cutterhead, a clay layer or a powder soil layer easily blocks a foam injection outlet, so that the flowability of muck in the central area and the middle area of the cutterhead is poor, mud cakes are easily formed and cannot be crushed in time, and the shield cutterhead cannot tunnel smoothly due to too high thickness after the mud cakes are accumulated continuously.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a shield constructs quick-witted pile cutter dish with high pressure water jet cutting system, includes the blade disc, blade disc one side is provided with crushing mechanism, crushing mechanism includes that fluid strikes the subassembly and strikes the subassembly with machinery, the fluid strikes the subassembly and is located blade disc central zone, machinery strikes the subassembly and is located the regional in blade disc middle part.
Preferably, the fluid impact assembly comprises a sleeve, a spiral groove is formed in the sleeve, and a rotating column is arranged in the sleeve;
the outer side of the rotating column is provided with a bulge matched with the spiral groove, the rotating column is hollow, one side of the rotating column is circumferentially provided with a jet orifice, the other side of the rotating column is connected with a pipeline, the pipeline is provided with a control valve, and the other end of the pipeline is communicated with a supply end;
the fluid impact assembly is at least provided with two fluid impact assemblies, the adjacent rotating columns are connected through a connecting frame, the rotating columns are rotatably connected with the connecting frame, the side wall of the cutter head is provided with an eccentric vibrator, and the telescopic end of the eccentric vibrator is connected with the connecting frame.
Preferably, the mechanical impact assembly comprises a connecting rod, one end of the connecting rod is hinged to the outer side wall of the central area of the cutter head, the other side of the connecting rod is hinged to a support, and the support is hinged to the connecting frame;
one end of the connecting rod, which is hinged with the strut, is also hinged with an auxiliary rod, the other end of the auxiliary rod is slidably arranged on a sliding rail, and the end part of the sliding rail is fixedly connected to the side wall of the cutter head;
the end part of the connecting rod hinged with the auxiliary rod is provided with a stopper which is pushed by the support column to impact the mud cake.
Preferably, the blocking piece is a semicircular cover, and one protruding end of the semicircular cover faces the outer side of the cutter head and is fixedly provided with a sharp corner.
Preferably, the stopper is connected with the hinge shaft of the pillar through an elastic element, the elastic element comprises a fixed seat, the fixed seat is fixedly connected with the hinge shaft of the pillar, a cavity is formed in the fixed seat, the bottom wall of the cavity is elastically connected with the pin tail of the T-shaped pin through a spring, the end part of the fixed seat is detachably connected with an end cover, and the pin head of the T-shaped pin penetrates through the end cover to be fixedly connected with the stopper.
Preferably, the edge of the semicircular cover is provided with an elastic ring, and the thickness of the elastic ring increases from the edge to the middle part.
The invention has the technical effects and advantages that: compared with the prior art, the pile cutting cutterhead of the shield tunneling machine with the high-pressure water jet cutting system provided by the invention has the following advantages:
1. according to the invention, the mechanical impact components are arranged for matching, the mechanical impact components can be distributed among the cutter spokes at intervals along the circumferential direction of the cutter head, and the support column hinged on the connecting frame can be displaced left and right, so that the common hinged end of the connecting rod and the auxiliary rod is pushed to impact mud cakes from the middle area of the cutter head to the outer side; the blocking piece can enlarge the impact area of the hinged end, increase the damage area to mud cakes and enable the mud cakes to be broken and fall off more quickly.
2. The sharp corner is arranged to enter the mud cake at a smaller point when encountering the mud cake, the sharp corner expands the surface at the point until contacting the semicircular cover in the process of continuous displacement of the sharp corner, and the semicircular cover has a larger area of the outer circular surface, so that a leak hole formed by the sharp corner on the mud cake is further expanded under the impact action of the semicircular cover, a plurality of semicircular covers exert force together to destroy the structural balance of the mud cake, the breaking and falling of the mud cake are accelerated, and the effects of preventing a cutter head from being burnt and preventing the cutter from continuously cutting a soil body are achieved; and the semicircle cover of arc type structure can shelter from the articulated department of pillar, connecting rod and auxiliary rod, and the clod of mud piece when broken is difficult to get into articulated department and causes the motion inefficacy.
3. The elastic element is arranged, so that the pin head of the T-shaped pin can be extruded at the moment when the stopper meets mud cakes, the pin head compresses the spring and moves along the cavity until the spring is compressed to the limit state, the T-shaped pin cannot move, the edge of the semicircular cover in the stopper is just in contact with and supported by the connecting rod and the auxiliary rod, the supporting area is increased, the stopper is in rigid contact with the mud cakes to realize the effect of mechanical impact, the elastic element is arranged to buffer the moment when the stopper is in contact with the mud cakes, the problem that the stopper is directly in contact with the mud cakes with high hardness to cause damage is reduced, and the effective working time of the stopper is prolonged.
Drawings
FIG. 1 is a front view of an embodiment of the present invention.
FIG. 2 isbase:Sub>A schematic cross-sectional view of A-A in FIG. 1 according to an embodiment of the present invention.
FIG. 3 is an enlarged view of the structure of FIG. 2B according to the present invention.
Fig. 4 is a schematic diagram of an internal structure of an elastic element according to an embodiment of the present invention.
FIG. 5 is an enlarged view of the structure at C in FIG. 2 according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The invention provides a shield tunneling machine pile cutting cutterhead with a high-pressure water jet cutting system, which comprises a cutterhead 1, wherein a crushing mechanism is arranged on one side of the cutterhead 1, the crushing mechanism comprises a fluid impact assembly 2 and a mechanical impact assembly 3, the fluid impact assembly 2 is positioned in the central area of the cutterhead 1, and the mechanical impact assembly 3 is positioned in the central area of the cutterhead 1. When cutter head 1 meets clay layer or silt layer, according to the soil pressure sensor real-time supervision cutter head 1's of installation on cutter head 1 soil pressure, if soil pressure surpassed the limit value, then control terminal control fluid strikes subassembly 2 and mechanical impact subassembly 3 and carries out work, both mutually support and strike cutter head 1 central zone and middle part region, carry out artificial intervention, destroy to the mud cake of preforming, carry out the breakage to the mud cake that takes shape, play and prevent that cutter head 1 from being burned, the effect that the cutter can't continue to cut the soil body.
The fluid impact assembly 2 comprises a sleeve 21, wherein a spiral groove 22 is formed in the sleeve 21, and a rotating column 24 is arranged in the sleeve 21;
a bulge 23 matched with the spiral groove 22 is arranged on the outer side of the rotating column 24, the rotating column 24 is arranged in a hollow manner, one side of the rotating column 24 is circumferentially provided with a jet orifice 25, the other side of the rotating column is connected with a pipeline 26, a control valve is arranged on the pipeline 26, and the other end of the pipeline 26 is communicated with a supply end;
the fluid impact assembly 2 is at least provided with two adjacent rotating columns 24 which are connected through a connecting frame 4, the rotating columns 24 are rotatably connected with the connecting frame 4, the side wall of the cutter head 1 is provided with an eccentric vibrator 5, and the telescopic end of the eccentric vibrator 5 is connected with the connecting frame 4. Clay particles are easy to be extruded and hardened to be hardened on the surface of the cutter head 1 in shield tunneling, so if the thickness of a mud cake hardened for a long time is too high, the mud cake cannot be softened by a foam pipeline in a muck improvement system of the cutter head 1, the application starts the fluid impact assembly 2 through real-time monitoring of a soil pressure sensor once the soil pressure exceeds a limit value, cuts the mud cake in an initial form in a central area, intervenes the progress of increasing the thickening of the accumulated mud cake, and softens the cut mud cake by matching with the muck improvement system of the cutter head 1, so that the cutter head 1 cannot be stuck and the effect of cutting the soil body by a cutter is influenced; specifically, the control terminal of the cutter head 1 controls the eccentric vibrator 5 (in the prior art, not described in detail), to perform eccentric vibration, the telescopic end of the eccentric vibrator drives the connecting frame 4 connected by a bolt or a hoop to perform synchronous motion, the connecting frame 4 pushes the rotating column 24 to move left and right, and meanwhile, the protrusion 23 on the outer side of the rotating column 24 is matched with the spiral groove 22 to form rotary motion, so that the rotating column 24 moves left and right and simultaneously performs rotary motion, so that the jet port 25 extending out of the outer side of the sleeve 21 rotationally jets out pressurized fluid to form a spiral cutting path, compared with cutting fluid on a single plane, the fluid jetted by spiral rotation has a better cutting effect on mud cakes, and the rotating column 24 moving left and right also has an impact effect on the mud cakes in a central area, so that the mud cakes formed in the central area can be crushed more quickly under the matching with the fluid jetted and cut; wherein the extension and contraction distance of the eccentric vibrator 5 can be set so that the injection port 25 can continue to move after extending out of the sleeve 21; the pressurized gas or the pressurized liquid delivered from the supply end can be ejected through the pipeline 26, the rotating column 24 and the ejection opening 25 in sequence, a one-way valve is arranged between the ejection opening 25 and the hollow interior of the rotating column 24, and the pressurized gas or the pressurized liquid can be ejected only in one way and cannot flow back.
The mechanical impact assembly 3 comprises a connecting rod 31, one end of the connecting rod 31 is hinged on the outer side wall of the central area of the cutter disc 1, the other side of the connecting rod 31 is hinged with a support column 32, and the support column 32 is hinged on the connecting frame 4;
an auxiliary rod 33 is further hinged to one end of the connecting rod 31 hinged to the strut 32, the other end of the auxiliary rod 33 is slidably mounted on a sliding rail 34, and the end of the sliding rail 34 is fixedly connected to the side wall of the cutter head 1;
the hinged end of the connecting rod 31 and the auxiliary rod 33 is provided with a stopper 35, and the stopper 35 is pushed by the support column 32 to impact the mud cake. If the mud cake is increased to the middle area, the hardness of the mud cake is high at the moment, and the crushing difficulty is high under the action of the fluid impact assembly 2, therefore, the mechanical impact assembly 3 is arranged to be matched, the mechanical impact assembly 3 can be distributed among cutter spokes at intervals along the circumferential direction of the cutter head 1, and the support column 32 which is also hinged on the connecting frame 4 can displace left and right, so that the common hinged end of the connecting rod 31 and the auxiliary rod 33 is pushed to impact the mud cake from the middle area of the cutter head 1 to the outside, the support column 32, the auxiliary rod 33 and the connecting rod 31 can form a triangular structure and have stability, so that the mud cake in the middle area forms powerful mechanical impact, the mud cake in the middle area can be cut by fluid jet cutting by the fluid impact assembly 2 in the central area, the mud cake can be cut and crushed quickly under the combined action of the two, the cutter head 1 is protected, and the cutter cannot cut soil layers; the blocking piece 35 can enlarge the impact area of the hinged end, increase the damage area to mud cakes and enable the mud cakes to be broken and fall off more quickly.
The blocking piece 35 is a semicircular cover, and one end of the protrusion 23 of the semicircular cover faces the outer side of the cutter head 1 and is fixedly provided with a sharp corner 36. The sharp corner 36 is arranged, so that the mud cake enters the mud cake at a smaller point when encountering the mud cake, the surface is expanded at the point in the continuous displacement process of the sharp corner 36 until the sharp corner contacts the semicircular cover, and the semicircular cover is shaped to have a larger area of the outer circular surface, so that a leak hole formed by the sharp corner 36 on the mud cake is further expanded under the impact action of the semicircular cover, a plurality of semicircular covers exert force together to damage the structural balance of the mud cake, the mud cake is crushed and falls off at an accelerated speed, and the effect that a cutter head 1 is prevented from being burnt and a cutter cannot continuously cut a soil body is achieved; and the semicircular cover with the arc-shaped structure can shield the hinged parts of the support column 32, the connecting rod 31 and the auxiliary rod 33, and mud blocks during crushing are difficult to enter the hinged parts to cause movement failure.
The stopper 35 is connected with the hinge shaft of the pillar 32 through an elastic element 6, the elastic element 6 comprises a fixed seat 61, the fixed seat 61 is fixedly connected with the hinge shaft of the pillar 32, a cavity is formed in the fixed seat 61, the bottom wall of the cavity is elastically connected with the pin tail of a T-shaped pin 63 through a spring 62, an end cover 64 is connected to the end portion of the fixed seat 61 in a threaded mode, and the pin head of the T-shaped pin 63 penetrates through the end cover 64 to be fixedly connected with the stopper 35. Through the setting of elastic element 6, thereby can meet the round pin head of extrusion T type round pin 63 in the twinkling of an eye of mud cake at fender 35, make round pin head compression spring 62 and move along the cavity, until spring 62 compresses to extreme condition, T type round pin 63 can 'T move, the edge of semicircle cover just in time contacts and is supported by both with connecting rod 31 and auxiliary rod 33 in the fender 35 this moment, realize the effect of mechanical shock with mud cake rigid contact in the time of the increase supporting area, elastic element 6's setting, let fender 35 cushion earlier with the moment that the mud cake contacts, reduce the problem emergence that the direct mud cake contact with the hardness is great of fender 35 leads to the damage, make the effective operating time of fender 35 obtain the extension.
The edge of the semicircular cover is provided with an elastic ring 7, and the thickness of the elastic ring 7 increases from the edge to the middle. Through the setting of elastic ring 7, when the semicircle cover edge contacted with connecting rod 31 and auxiliary rod 33, elastic ring 7 atress warp, because the edge of elastic ring 7 is thinner, consequently the easy upwards deformation of elastic ring 7 edge atress formed the turn-up to increase the area of contact of semicircle cover and connecting rod 31, auxiliary rod 33, played better guard action to the inside articulated end of semicircle cover.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some technical features, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a shield constructs quick-witted pile cutter dish with high pressure water jet cutting system, includes blade disc (1), its characterized in that: a crushing mechanism is arranged on one side of the cutter head (1), the crushing mechanism comprises a fluid impact assembly (2) and a mechanical impact assembly (3), the fluid impact assembly (2) is located in the central area of the cutter head (1), and the mechanical impact assembly (3) is located in the middle area of the cutter head (1);
the fluid impact assembly (2) comprises a sleeve (21), a spiral groove (22) is arranged in the sleeve (21), and a rotating column (24) is arranged in the sleeve (21);
the outer side of the rotating column (24) is provided with a bulge (23) matched with the spiral groove (22), the rotating column (24) is arranged in a hollow mode, one side of the rotating column (24) is circumferentially provided with a jet opening (25), the other side of the rotating column is connected with a pipeline (26), a control valve is installed on the pipeline (26), and the other end of the pipeline (26) is communicated with a supply end;
fluid impact subassembly (2) set up two at least, connect through link (4) between adjacent rotation post (24), it is connected all to rotate between rotation post (24) and link (4), install eccentric vibrator (5) on the lateral wall of blade disc (1), the flexible end of eccentric vibrator (5) links to each other with link (4).
2. The pile cutter head of a shield tunneling machine with a high-pressure water jet cutting system according to claim 1, wherein: the mechanical impact assembly (3) comprises a connecting rod (31), one end of the connecting rod (31) is hinged to the outer side wall of the central area of the cutter head (1), a support column (32) is hinged to the other side of the connecting rod (31), and the support column (32) is hinged to the connecting frame (4);
an auxiliary rod (33) is further hinged to one end, hinged to the support column (32), of the connecting rod (31), the other end of the auxiliary rod (33) is slidably mounted on a sliding rail (34), and the end portion of the sliding rail (34) is fixedly connected to the side wall of the cutter head (1);
the end part of the connecting rod (31) hinged with the auxiliary rod (33) is provided with a stopper (35), and the stopper (35) is pushed by the support column (32) to impact the mud cake.
3. The pile cutter head of the shield machine with the high-pressure water jet cutting system according to claim 2, wherein: the blocking piece (35) is a semicircular cover, one end of a bulge (23) of the semicircular cover faces the outer side of the cutter head (1) and a sharp corner (36) is fixedly arranged.
4. The pile cutter head of the shield machine with the high-pressure water jet cutting system according to claim 2, wherein: the stopper (35) is connected with a hinge shaft of the strut (32) through an elastic element (6), the elastic element (6) comprises a fixed seat (61), the fixed seat (61) is fixedly connected to the hinge shaft of the strut (32), a cavity is formed in the fixed seat (61), the bottom wall of the cavity is elastically connected with the pin tail of the T-shaped pin (63) through a spring (62), the end of the fixed seat (61) is detachably connected with an end cover (64), and the pin head of the T-shaped pin (63) penetrates through the end cover (64) to be fixedly connected with the stopper (35).
5. The pile cutter head of the shield tunneling machine with the high-pressure water jet cutting system according to claim 3, wherein: the edge of the semicircular cover is provided with an elastic ring (7), and the thickness of the elastic ring (7) increases from the edge to the middle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210587411.XA CN115012970B (en) | 2022-05-25 | 2022-05-25 | Shield constructs quick-witted pile cutter dish with high pressure water jet cutting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210587411.XA CN115012970B (en) | 2022-05-25 | 2022-05-25 | Shield constructs quick-witted pile cutter dish with high pressure water jet cutting system |
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| Publication Number | Publication Date |
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| CN115012970A CN115012970A (en) | 2022-09-06 |
| CN115012970B true CN115012970B (en) | 2023-03-28 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3500082B2 (en) * | 1998-12-21 | 2004-02-23 | 三菱重工業株式会社 | Tunnel excavator |
| CN103334764B (en) * | 2013-07-08 | 2015-01-07 | 大连理工大学 | Method for designing rock breaking cutterhead combined by flexible expanding excavation hobbing cutters and water jets |
| CN104948198A (en) * | 2015-06-17 | 2015-09-30 | 蚌埠市行星工程机械有限公司 | Active telescopic shield cutter mechanism |
| CN105736006B (en) * | 2016-03-22 | 2018-11-09 | 大连理工大学 | High-pressure water jet full face rock tunnel boring machine cutterhead design method |
| CN112196546B (en) * | 2020-03-04 | 2022-02-22 | 中铁工程装备集团有限公司 | Hob-free hard rock tunneling machine for breaking rock by utilizing microwaves and high-pressure water jet |
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- 2022-05-25 CN CN202210587411.XA patent/CN115012970B/en active Active
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