CN118881383B - Hard rock stratum composite TBM tunneling machine with mud cake detection and removal device - Google Patents
Hard rock stratum composite TBM tunneling machine with mud cake detection and removal device Download PDFInfo
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- CN118881383B CN118881383B CN202411377478.6A CN202411377478A CN118881383B CN 118881383 B CN118881383 B CN 118881383B CN 202411377478 A CN202411377478 A CN 202411377478A CN 118881383 B CN118881383 B CN 118881383B
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- 230000005641 tunneling Effects 0.000 title claims abstract description 142
- 239000011435 rock Substances 0.000 title claims abstract description 47
- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 239000002131 composite material Substances 0.000 title claims abstract description 11
- 238000012958 reprocessing Methods 0.000 claims abstract description 13
- 238000003860 storage Methods 0.000 claims description 41
- 238000004140 cleaning Methods 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 230000005484 gravity Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009825 accumulation Methods 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 238000005755 formation reaction Methods 0.000 abstract 2
- 239000004575 stone Substances 0.000 description 18
- 238000011010 flushing procedure Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 241000251133 Sphyrna tiburo Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011268 retreatment Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
本发明公开了一种带有泥饼检测清除装置的硬岩地层复合TBM掘进机，涉及TBM掘进机的技术领域。本发明包括设置在掘进主机上的掘进机头，还包括：破碎单元，设置于掘进机头内，包括转动组件与破碎组件；泥饼清除单元，设置于掘进主机与掘进机头内，包括收集组件、再处理组件与输送组件。优点在于：本发明能够在对硬岩地层进行掘进破碎的同时，利用掘进刀盘的转动作用自动实现前部泥饼的收集清除，有效避免泥饼在掘进刀盘前部堆积影响掘进效果，同时通过采用高压冲洗配合振动分选、转动破碎的方式，可对收集到的泥饼进行二次处理，既可有效避免泥饼粘附影响收集效果，又可提高泥饼的收集输送效率，掘进效率更高。
The present invention discloses a composite TBM tunneling machine for hard rock formations with a mud cake detection and removal device, and relates to the technical field of TBM tunneling machines. The present invention includes a tunneling machine head arranged on a tunneling main machine, and also includes: a crushing unit, which is arranged in the tunneling machine head, including a rotating component and a crushing component; a mud cake removal unit, which is arranged in the tunneling main machine and the tunneling machine head, including a collecting component, a reprocessing component and a conveying component. The advantage is that the present invention can automatically collect and remove the front mud cake by utilizing the rotation of the tunneling cutter disc while tunneling and crushing the hard rock formation, effectively avoiding the accumulation of mud cake in front of the tunneling cutter disc to affect the tunneling effect, and at the same time, by adopting high-pressure washing combined with vibration sorting and rotational crushing, the collected mud cake can be secondary processed, which can not only effectively avoid the mud cake adhesion affecting the collection effect, but also improve the collection and transportation efficiency of the mud cake, and the tunneling efficiency is higher.
Description
Technical Field
The invention relates to the technical field of TBM heading machines, in particular to a hard rock stratum composite TBM heading machine with a mud cake detection and removal device.
Background
The composite TBM tunneling machine is also called a tunneling shield machine, and is heavy mechanical equipment for cutting hard rock stratum by a rotary cutter and automatically conveying the materials such as excavated mud cakes, rocks and the like to the outside of a tunnel for underground tunnel excavation;
The existing heading machine adopts various forms to realize the excavation of hard rock stratum, such as a TBM heading machine small slag removing device with the publication number of CN116181352A, and comprises a bucket base, a rotary motor, a bucket main frame, a lifting oil cylinder, a bucket connecting frame, a first rotating shaft, a lifting oil cylinder, a slag removing bucket and a second rotating shaft;
When the heading machine breaks and heading hard rock stratum, more broken stone or high-adhesion large-volume mud cake (also called mud cake) is generated due to high stratum humidity, and the large-volume mud cake is blocked at the front part of a cutterhead of the heading machine, so that the rotation and conveying efficiency of the cutterhead are affected, for example, in the prior art, the device realizes the cleaning of the broken stone of the mud cake by adopting a slag removing bucket for shoveling, and due to the structural specificity of the heading machine, the front cutterhead of the device needs to crush a hard rock stratum and cannot be provided with a slag removal bucket, so that the device can only be used in a development machine to clean, but cannot be used for cleaning mud cakes at the front of the development machine, and the mud cakes can be adhered in the bucket and cannot be removed when the shovel is dug due to certain viscosity and volume, and the storage space in the shovel head is gradually reduced along with the increase of accumulated mud cakes, so that the cleaning efficiency of the mud cakes is affected;
Therefore, there is a need to design a hard rock stratum compound TBM tunneling machine with a mud cake detection and removal device to solve the above problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a hard rock stratum composite TBM tunneling machine with a mud cake detection and removal device, which solves the problems in the background art.
The hard rock stratum composite TBM tunneling machine with the mud cake detection and removal device comprises a tunneling machine head arranged on a tunneling host machine, and further comprises the following steps:
The crushing unit is arranged in the tunneling machine head and is used for realizing the crushing treatment of the hard rock stratum and comprises a rotating assembly and a crushing assembly, wherein the rotating assembly is used for driving the crushing assembly to rotate so as to realize the rotating crushing of the hard rock stratum;
The mud cake cleaning unit is arranged in the tunneling host machine and the tunneling machine head and used for cleaning mud cakes generated when the crushing unit crushes hard rock stratum, and the mud cake cleaning unit comprises a collecting assembly, a reprocessing assembly and a conveying assembly, wherein the collecting assembly is used for collecting mud cakes, the reprocessing assembly is used for crushing the collected mud cakes and reprocessing the collected mud cakes, and the conveying assembly is used for realizing layered conveying of the crushed mud cakes.
Preferably, the rotating assembly comprises a fixed disc fixedly arranged in a tunneling host, a plurality of driving motors are fixedly arranged on the fixed disc, driving gears are fixedly arranged at the driving ends of the driving motors, a limiting disc is fixedly arranged in the tunneling host, a rotating inner gear ring is rotatably arranged in the limiting disc, and the driving gears are meshed with the rotating inner gear ring;
the plurality of driving motors drive the plurality of driving gears to rotate, and the plurality of driving gears are matched together to drive the rotating inner gear ring to rotate.
Preferably, the crushing assembly comprises a tunneling cutterhead rotatably mounted on a tunneling machine head, a rotating roller is fixedly mounted on the inner side of the tunneling cutterhead, a rotating column matched with the rotating roller is fixedly mounted on a rotating inner gear ring, and a plurality of tunneling crushing wheels for crushing hard rock stratum are arranged on the tunneling cutterhead;
the rotary inner gear ring rotates to drive the tunneling cutterhead to rotate through the cooperation of the rotary column and the rotary roller, and the tunneling cutterhead rotates to drive a plurality of tunneling crushing wheels on the tunneling cutterhead to rotate so as to realize tunneling crushing of the hard rock stratum.
Preferably, the collection assembly comprises a plurality of clamping openings formed in the tunneling cutterhead, each clamping opening is internally provided with a mud cake collecting shovel member in a clamping manner, each mud cake collecting shovel member is internally provided with a storage mechanism, a cleaning cover used for collecting mud cakes is fixedly arranged in the tunneling cutterhead, the cleaning cover is rotationally connected with the rotating column, and the cleaning cover is provided with a collecting mechanism.
Preferably, the storage mechanism comprises a storage tank which is arranged in a mud cake collecting shovel part and used for collecting mud cakes, and a dumping opening and a feeding opening are arranged in the mud cake collecting shovel part, wherein the feeding opening is used for collecting the mud cakes into the storage tank, and the dumping opening is used for dumping the mud cakes in the storage tank.
Preferably, the collecting mechanism comprises a shielding ring fixedly installed on the cleaning cover, a collecting opening matched with the pouring opening is formed in the shielding ring, a touch button is fixedly installed on the shielding ring, and a first detection soft rod and a second detection soft rod matched with the touch button are arranged on each mud cake collecting shovel piece;
The high-pressure water guide pipe used for conveying cleaning water is arranged on the tunneling host, the end part of the high-pressure water guide pipe is located at the upper part of the collecting opening, an observation camera used for observing the content of mud cakes in the mud cake collecting shovel part is arranged at the end part of the high-pressure water guide pipe, a PLC (programmable logic controller) is arranged on the high-pressure water guide pipe, and the observation camera and the touch button are matched with the PLC.
Preferably, the reprocessing assembly comprises a vibration storage cover fixedly mounted on the shielding ring, the vibration storage cover is located right below the collecting opening, a plurality of vibration sieve holes are formed in the vibration storage cover, and a vibration mechanism is arranged on the vibration storage cover.
Preferably, the vibration mechanism comprises a plurality of crushing cones fixedly arranged on the rotating roller and used for crushing mud cakes, a plurality of elastic vibration rods are fixedly arranged at the lower part of the vibration storage cover, and the elastic vibration rods are matched with the crushing cones;
the crushing cones rotate along with the rotation of the rotating roller, contact and impact the elastic vibrating rods in the rotation process, and enable the vibration storage cover to vibrate in the impact process, so that the vibrating screening of mud cakes in the vibration storage cover is realized.
Preferably, the conveying assembly comprises an upper conveying belt and a lower conveying belt which are arranged in the tunneling host machine and the tunneling machine head, the upper conveying belt and the lower conveying belt are both used for conveying mud cakes, conveying openings matched with the upper conveying belt and the lower conveying belt are formed in the fixed disc and the limiting disc, a mud outlet opening for discharging the mud cakes is formed in the cleaning cover, and a plurality of distributing holes are formed in the upper conveying belt;
the crushed mud cakes subjected to the retreatment fall onto the upper conveying belt through the mud outlet opening, small-volume crushed mud in the mud cakes falls onto the lower conveying belt through the plurality of distributing holes to be conveyed, and the mud cakes with larger volumes are conveyed along with the upper conveying belt, so that the distribution conveying of the mud cakes is realized.
Preferably, each mud cake collecting shovel member is internally provided with an inclined guide plate, the inclined guide plates are used for enabling the mud cake collecting shovel member to rotate to the uppermost part and to be in a vertical state, mud cakes in the inclined guide plates are easier to pour out through the dumping opening under the action of gravity, a reset spring shaft is fixedly mounted on the mud cake collecting shovel member, and a shielding door matched with the feeding opening is rotatably mounted on the reset spring shaft.
The invention provides a hard rock stratum composite TBM tunneling machine with a mud cake detection and removal device. The beneficial effects are as follows:
1. When the TBM tunneling machine is used for removing mud cakes, the driving mode that the driving gears are driven to rotate through the multiple groups of driving motors to drive the rotating inner gear ring to rotate is adopted, namely, the matched driving mode of the planetary gear set is adopted, so that the TBM tunneling machine has higher transmission efficiency, can apply larger torque to the tunneling cutterhead, can apply stable tunneling crushing force to the hard rock stratum, and effectively improves the crushing efficiency.
2. When the TBM heading machine is used for removing mud cakes, the tunneling cutterhead can rotate to crush hard rock stratum and simultaneously drive a plurality of mud cake collecting shovel pieces to rotate, and crushed mud cakes are automatically collected and stored when the mud cake collecting shovel pieces rotate to the lower part, so that the mud cakes are prevented from being piled up at the front part of the tunneling cutterhead, and the tunneling efficiency of the tunneling cutterhead is prevented from being influenced by the mud cakes.
3. This TBM entry driving machine is when carrying out the cleaing away of mud cake, can receive the shovel spare at mud cake and rotate to upper portion, utilize the effect of gravity to pour out the mud cake of collecting in it automatically, utilize mud cake to receive shovel spare rotation simultaneously and trigger high-pressure aqueduct and start, receive the inside of shovel spare to mud cake and carry out the washing of high-pressure rivers, can receive the mud cake of shovel spare with the adhesion and wash out, avoid the mud cake to receive more piling up in the shovel spare and influence mud cake removal efficiency.
4. When the TBM heading machine is used for removing mud cakes, the mud cakes collected in the mud cake collecting shovel part can be crushed and reprocessed by adopting a reciprocating vibration and rotation cutting crushing mode, so that the volume of the mud cakes can be effectively reduced, meanwhile, broken stones in the mud cakes are removed to separate the broken stones from the mud cakes, and independent layered conveying of the mud cakes and the broken stones is completed.
In summary, the invention can automatically collect and clear the front mud cake by utilizing the rotation action of the tunneling cutterhead while tunneling and crushing the hard rock stratum, effectively avoid the influence of the accumulation of the mud cake on the front part of the tunneling cutterhead on the tunneling effect, and simultaneously, the collected mud cake can be subjected to secondary treatment by adopting a mode of high-pressure flushing, vibration sorting and rotation crushing, thereby not only effectively avoiding the influence of the adhesion of the mud cake on the collecting effect, but also improving the collecting and conveying efficiency of the mud cake and having higher tunneling efficiency.
Drawings
The invention is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic structural view of a hard rock stratum composite TBM tunneling machine with a mud cake detection and removal device;
FIG. 2is a schematic view of the present invention disposed on a tunneling machine;
FIG. 3 is a schematic view of the structure of FIG. 1 rotated by a certain angle;
FIG. 4 is an exploded view of the internal structure of FIG. 1;
FIG. 5 is a schematic view of the structure of FIG. 4 rotated by a certain angle;
FIG. 6 is a front view of FIG. 1;
FIG. 7 is a cross-sectional view of the planar structure taken along section A-A in FIG. 6;
FIG. 8 is a schematic perspective view of FIG. 7;
FIG. 9 is a schematic view of the structure of the crushing unit of the present invention;
FIG. 10 is a schematic view of the structure of FIG. 9 rotated by a certain angle;
FIG. 11 is a schematic diagram of a mud cake removing unit according to the present invention;
FIG. 12 is a schematic view of the structure of FIG. 11 rotated by a certain angle;
FIG. 13 is a schematic view of the cleaning hood and upper and lower conveyor belt removed of FIG. 12;
FIG. 14 is an enlarged view of a node at the location B of FIG. 13;
FIG. 15 is a schematic view of the mud cake shovel of FIG. 13;
fig. 16 is a front view of fig. 13.
In the figure: the device comprises a tunneling host, a tunneling machine head, a tunneling cutterhead, a tunneling crushing wheel, a mud cake collecting shovel piece 5, a lower conveying belt, an upper conveying belt 7, a fixed disk 8, a driving motor 9, a rotary inner gear ring 10, a cleaning cover 11, a shading ring 12, a rotary roller 13, a limiting disk 14, a high-pressure water guide pipe 15, a driving gear 16, a mud outlet opening 17, a vibration collecting cover 18, a collecting opening 19, a soft detection rod one, a touch button 21, a crushing cone 22, a vibration sieve opening 23, a material distribution hole 24, a rotary column 25, a clamping opening 26, a material pouring opening 27, a feeding opening 28, a storage groove 29, a flexible vibration rod 30, a soft detection rod two, a shading door 32 and a reset spring shaft 33.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-5, a hard rock stratum composite TBM tunneling machine with a mud cake detection and removal device comprises a tunneling machine head 2 arranged on a tunneling host machine 1, wherein the rear part of the tunneling host machine 1 is fixed with a pusher at the rear end of the tunneling machine, and the pusher is started to push the tunneling host machine 1 and the tunneling machine head 2 to move forwards, so that the broken tunneling of the hard rock stratum can be realized.
The device also comprises a crushing unit which is arranged in the tunneling machine head 2 and is used for realizing the crushing treatment of the hard rock stratum, the tunneling machine head 2 drives the crushing unit to rotate, the crushing and tunneling of the hard rock stratum are realized under the cooperation of the propelling machine, and the crushing range and the crushing efficiency can be effectively improved in a rotary crushing mode.
The mud cake cleaning unit is arranged in the tunneling host machine 1 and the tunneling machine head 2 and is used for cleaning mud cakes generated when the crushing unit crushes hard rock stratum, so that the mud cakes are prevented from adhering and accumulating on the front part of the tunneling machine head 2, the front part of the tunneling machine head 2 is prevented from being blocked by the mud cakes, and tunneling efficiency is affected.
1-4 And 6-10, the crushing unit comprises a rotating assembly and a crushing assembly, wherein the rotating assembly is used for driving the crushing assembly to rotate so as to realize the rotary crushing of the hard rock stratum;
The rotating assembly comprises a fixed disc 8 fixedly arranged in the tunneling host 1, a plurality of driving motors 9 are fixedly arranged on the fixed disc 8, driving gears 16 are fixedly arranged at the driving ends of the driving motors 9, a limiting disc 14 is fixedly arranged in the tunneling host 1, a rotating inner gear ring 10 is arranged in the limiting disc 14 in a rotating manner, and the driving gears 16 are meshed with the rotating inner gear ring 10;
the plurality of driving motors 9 drive the plurality of driving gears 16 to rotate, and the plurality of driving gears 16 cooperate with each other to drive the rotating inner gear ring 10 to rotate;
The driving motor 9 starts to drive the corresponding driving gear 16 to rotate, the plurality of driving gears 16 are matched to rotate to drive the rotating inner gear ring 10 meshed with the driving gears to rotate, the rotation stability of the rotating inner gear ring 10 can be effectively improved, and a mode that the plurality of driving gears 16 jointly rotate to drive the rotating inner gear ring 10 to rotate is adopted, so that larger rotation torque can be applied to the rotating inner gear ring 10, the transmission efficiency is higher, and the rotation crushing effect of the crushing assembly on hard rock stratum is improved.
In a further embodiment, a rotating roller 13 is fixedly arranged on the inner side of the tunneling cutterhead 3, a rotating column 25 matched with the rotating roller 13 is fixedly arranged on the rotating inner gear ring 10, and a plurality of tunneling crushing wheels 4 for crushing hard rock stratum are arranged on the tunneling cutterhead 3;
The rotary inner gear ring 10 rotates to drive the rotary column 25 to rotate so as to drive the rotary roller 13 to rotate, namely the tunneling cutterhead 3 can be driven to rotate by the rotary roller 13, the tunneling cutterhead 3 rotates to drive the tunneling crushing wheels 4 on the tunneling cutterhead to rotate, and the plurality of tunneling crushing wheels 4 rotate to crush and crush hard rock strata;
the rotary inner gear ring 10 rotates to drive the tunneling cutterhead 3 to rotate through the cooperation of the rotary column 25 and the rotary roller 13, the tunneling cutterhead 3 drives the plurality of tunneling crushing wheels 4 on the tunneling cutterhead to rotate to realize tunneling crushing of hard rock stratum, and the tunneling crushing wheels 4 are rotatably arranged in the tunneling cutterhead 3, so that the tunneling crushing wheels can rotate under the action of rotary friction while rotating along with the tunneling cutterhead 3, and the crushing effect of the tunneling crushing wheels on the hard rock stratum can be further improved.
Broken stone and mud cakes (mud blocks) generated when the tunneling cutterhead 3 breaks hard rock stratum can fall down under the action of gravity, namely, the broken stone and mud cakes can be accumulated at the front lower part of the tunneling cutterhead 3.
Referring to fig. 1 to 6 and 11 to 16, the mud cake removing unit comprises a collecting assembly, a reprocessing assembly and a conveying assembly, wherein the collecting assembly is used for collecting mud cakes, the reprocessing assembly is used for crushing and reprocessing the collected mud cakes, and the conveying assembly is used for realizing layered conveying of the crushed mud cakes;
The collecting assembly comprises a plurality of clamping openings 26 formed in the tunneling cutterhead 3, a mud cake collecting shovel piece 5 is arranged in each clamping opening 26 in a clamping mode, and a storage mechanism is arranged in each mud cake collecting shovel piece 5;
The storage mechanism comprises a storage groove 29 which is arranged in the mud cake collecting shovel piece 5 and is used for collecting mud cakes, a dumping opening 27 and a feeding opening 28 are arranged in the mud cake collecting shovel piece 5, wherein the feeding opening 28 is used for collecting the mud cakes into the storage groove 29, and the dumping opening 27 is used for dumping the mud cakes in the storage groove 29;
The mud cake collecting shovel pieces 5 are clamped in the tunneling cutterhead 3 and rotate along with the rotation of the tunneling cutterhead 3, and when the mud cake collecting shovel pieces 5 rotate to the lower part (as shown in the mud cake collecting shovel piece 5 at the lowest part of the attached drawing 8 of the specification), the mud cake collecting shovel pieces can be contacted with broken stone at the lower part, so that the mud cake and the broken stone can be collected into the storage tank 29 through the feeding opening 28 while rotating, and the automatic collection of the broken stone of the mud cake is completed;
When the mud cake collecting shovel 5 rotates out from the bottom, the opening direction of the feeding opening 28 is upward, so that the stored mud cake broken stone cannot fall out through the feeding opening 28, collection and rotation conveying of the mud cake broken stone can be realized, the mud cake collecting shovel 5 is matched, and mud cake broken stone generated during breaking of hard rock stratum can be automatically collected and conveyed while the tunneling cutterhead 3 is tunneling, so that the influence of broken stone mud cake stacking on tunneling efficiency of the front part of the tunneling cutterhead 3 is avoided;
Each mud cake collecting shovel piece 5 is internally provided with an inclined guide plate, the inclined guide plate is used for enabling the mud cake collecting shovel piece 5 to rotate to the uppermost part and to be in a vertical state, mud cakes in the mud cake collecting shovel piece are easier to pour out through the pouring opening 27 under the action of gravity, a reset spring shaft 33 is fixedly arranged on the mud cake collecting shovel piece 5, a shielding door 32 matched with the feeding opening 28 is rotatably arranged on the reset spring shaft 33, the shielding door 32 is matched with the reset spring shaft 33, and when the mud cake collecting shovel piece 5 does not collect mud cakes, the feeding opening 28 is blocked through the shielding door 32, so that the mud cakes in the mud cake collecting shovel piece 5 are further prevented from falling out through the feeding opening 28, and the collecting effect is further influenced.
In a further embodiment, a cleaning cover 11 for collecting mud cakes is fixedly arranged in the heading machine head 2, the cleaning cover 11 is rotationally connected with a rotating column 25, a collecting mechanism is arranged on the cleaning cover 11, the collecting mechanism comprises a shielding ring 12 fixedly arranged on the cleaning cover 11, and a collecting opening 19 matched with a dumping opening 27 is formed in the shielding ring 12;
The shielding ring 12 is arranged at the rear part of the tunneling cutterhead 3 and is attached to the rear parts of the mud cake collecting shovel 5, when the mud cake collecting shovel 5 rotates to the uppermost part, the dumping opening 27 on the mud cake collecting shovel 5 is communicated with the collecting opening 19 on the shielding ring 12, mud cake broken stone in the storage groove 29 in the mud cake collecting shovel 5 automatically falls into the collecting opening 19 through the dumping opening 27, automatically falls after passing through the collecting opening 19, and when the mud cake collecting shovel 5 does not rotate to the uppermost part, the dumping opening 27 on the mud cake collecting shovel is blocked by the shielding ring 12, and mud cake broken stone in the mud cake broken stone cannot fall out, so that automatic and directional collection of the mud cake broken stone is realized.
The touch button 21 is fixedly arranged on the shielding ring 12, a first detection soft rod 20 and a second detection soft rod 31 which are matched with the touch button 21 are arranged on each mud cake collecting and shoveling piece 5, when the mud cake collecting and shoveling piece 5 rotates to the upper part, the first detection soft rod 20 contacts and presses the touch button 21, the touch button 21 is triggered at the moment, when the mud cake collecting and shoveling piece 5 continues to rotate to separate the first detection soft rod 20 from the touch button 21, and when the second detection soft rod 31 contacts and presses the touch button 21, the touch button 21 is closed under the pressing action of the second detection soft rod 31;
The tunneling host 1 is provided with a high-pressure water guide pipe 15 for conveying cleaning water, the end part of the high-pressure water guide pipe 15 is positioned at the upper part of the collecting opening 19, the end part of the high-pressure water guide pipe 15 is provided with an observation camera for observing the content of mud cakes in the mud cake collecting shovel 5, the high-pressure water guide pipe 15 is provided with a PLC controller, and the observation camera and the touch button 21 are matched with the PLC controller;
The observation camera is used for observing the adhesion and accumulation content of the mud cake in the storage tank 29 in the mud cake collecting shovel 5 through the collecting opening 19 and the dumping opening 27 when the mud cake collecting shovel 5 rotates to the uppermost part, transmitting the observation data into the PLC, and controlling the flushing strength and the flushing quantity of the high-pressure water guide pipe 15 through the PLC;
when the touch button 21 is triggered by the first detection soft rod 20, namely, the condition that the mud cake collecting shovel 5 is moved to the upper part at the moment is represented, the touch button 21 controls the high-pressure water guide pipe 15 to flush the storage tank 29 in the mud cake collecting shovel 5 through the collecting opening 19 and the pouring opening 27 by virtue of the PLC, so that mud cakes attached in the storage tank 29 can be washed cleanly, and the accumulation of the mud cakes in the storage tank 29 is prevented from influencing the collection efficiency of the mud cakes;
The flushing water rushing into the mud cake collecting shovel 5 falls to the front part of the tunneling cutterhead 3 through the feeding opening 28 and slides down to the bottom under the action of gravity, so that the tunneling cutterhead 3 can be wetted to reduce the working temperature of the tunneling cutterhead, mud cakes at the front part of the tunneling cutterhead 3 can be wetted, the hardness degree of the mud cakes is reduced, more caking of the mud cakes is avoided, and the efficiency of collecting the mud cakes by the follow-up mud cake collecting shovel 5 is improved.
In a further embodiment, the reprocessing assembly comprises a vibration housing cover 18 fixedly mounted on the shadow ring 12, and the vibration housing cover 18 is located directly below the collection opening 19, a plurality of vibration sieve holes 23 are provided on the vibration housing cover 18, and a vibration mechanism is provided on the vibration housing cover 18;
The vibration mechanism comprises a plurality of crushing cones 22 fixedly arranged on the rotating roller 13 and used for crushing mud cakes, a plurality of elastic vibration rods 30 are fixedly arranged at the lower part of the vibration storage cover 18, and the plurality of elastic vibration rods 30 are matched with the crushing cones 22;
The crushing cones 22 rotate along with the rotation of the rotating roller 13, contact and impact the elastic vibrating rods 30 in the rotation process, and vibrate the vibration storage cover 18 in the impact process, so that the vibrating screening of mud cakes in the vibration storage cover 18 is realized;
the mud cake poured out through the collecting opening 19 falls into the vibration containing cover 18, at the moment, mud blocks with smaller inner volume can directly fall out through the vibration sieve holes 23 on the mud cake, and parts with larger volume can remain in the mud cake, when the rotating roller 13 rotates to drive the crushing cones 22 on the rotating roller to rotate, the crushing cones 22 can strike the elastic vibration rods 30 at the lower part of the vibration containing cover 18 when rotating, so that the vibration containing cover 18 can generate larger vibration, and the vibration containing cover 18 can shake and scatter the large-volume mud blocks in the vibration containing cover through the vibration sieve holes 23 when vibrating, so that the mud cake can fall out through the vibration sieve holes 23, and the preliminary vibration scattering treatment of the mud cake is completed;
The gravels with larger volume in the mud cake can be left in the vibration storage cover 18 when the gravels cannot be vibrated and dispersed, so that the automatic separation of the gravels with large volume and the mud cake is completed, and the gravels in the vibration storage cover 18 can be collected and removed periodically;
The mud cake blocks falling through the vibrating screen holes 23 can be in contact with the crushing cones 22, and at the moment, the crushing cones 22 can cut and crush the mud cake blocks, so that the volume of the mud cake blocks can be further reduced, and the mud cake blocks can be conveniently removed and transported.
The conveying assembly comprises an upper conveying belt 7 and a lower conveying belt 6 which are arranged in the tunneling host machine 1 and the tunneling machine head 2, the upper conveying belt 7 and the lower conveying belt 6 are both used for conveying mud cakes, conveying openings matched with the upper conveying belt 7 and the lower conveying belt 6 are formed in the fixed disc 8 and the limiting disc 14, a mud outlet opening 17 for discharging the mud cakes is formed in the cleaning cover 11, and a plurality of distributing holes 24 are formed in the upper conveying belt 7;
The upper conveying belt 7 and the lower conveying belt 6 are all commonly used conveying devices for conveying materials in the prior art, and can realize automatic conveying of mud cakes when tunneling of a hard rock stratum is carried out, and the device is of an existing structure and is not described in detail herein;
the crushed and reprocessed mud cakes can fall onto the upper conveying belt 7 through the mud outlet opening 17 on the cleaning cover 11, small-volume crushed mud in the mud cakes falls onto the lower conveying belt 6 through the plurality of distributing holes 24 to be conveyed, and the mud cakes with larger volumes are conveyed along with the upper conveying belt 7, so that the mud cake distributing and conveying is realized.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. Hard rock stratum composite TBM tunneling machine with mud cake detection clearing device, including setting up tunneling aircraft nose (2) on tunneling host computer (1), its characterized in that still includes:
The crushing unit is arranged in the tunneling machine head (2) and is used for realizing the crushing treatment of the hard rock stratum and comprises a rotating assembly and a crushing assembly, wherein the rotating assembly is used for driving the crushing assembly to rotate so as to realize the rotating crushing of the hard rock stratum;
The rotary assembly comprises a fixed disc (8) fixedly arranged in a tunneling host machine (1), a plurality of driving motors (9) are fixedly arranged on the fixed disc (8), driving gears (16) are fixedly arranged at the driving ends of the driving motors (9), a limiting disc (14) is fixedly arranged in the tunneling host machine (1), a rotary inner gear ring (10) is rotatably arranged in the limiting disc (14), and the driving gears (16) are meshed with the rotary inner gear ring (10);
The plurality of driving motors (9) drive the plurality of driving gears (16) to rotate, and the plurality of driving gears (16) are matched with each other to drive the rotating inner gear ring (10) to rotate;
The crushing assembly comprises a tunneling cutterhead (3) rotatably mounted on a tunneling machine head (2), a rotating roller (13) is fixedly mounted on the inner side of the tunneling cutterhead (3), a rotating column (25) matched with the rotating roller (13) is fixedly mounted on a rotating inner gear ring (10), and a plurality of tunneling crushing wheels (4) for crushing hard rock stratum are arranged on the tunneling cutterhead (3);
the rotary inner gear ring (10) rotates to drive the tunneling cutterhead (3) to rotate through the cooperation of the rotary column (25) and the rotary roller (13), and the tunneling cutterhead (3) rotates to drive the plurality of tunneling crushing wheels (4) on the tunneling cutterhead to rotate so as to realize tunneling crushing of hard rock stratum;
The mud cake cleaning unit is arranged in the tunneling host machine (1) and the tunneling machine head (2) and is used for cleaning mud cakes generated when the crushing unit crushes the hard rock stratum, and comprises a collecting assembly, a reprocessing assembly and a conveying assembly, wherein the collecting assembly is used for collecting the mud cakes, the reprocessing assembly is used for crushing the collected mud cakes and reprocessing the collected mud cakes, and the conveying assembly is used for realizing layered conveying of the crushed mud cakes;
the collecting assembly comprises a plurality of clamping openings (26) formed in the tunneling cutterhead (3), each clamping opening (26) is internally provided with a mud cake collecting shovel piece (5) in a clamping mode, each mud cake collecting shovel piece (5) is internally provided with a storage mechanism, a cleaning cover (11) for collecting mud cakes is fixedly arranged in the tunneling cutterhead (2), the cleaning cover (11) is rotationally connected with a rotating column (25), and the cleaning cover (11) is provided with a collecting mechanism;
The storage mechanism comprises a storage tank (29) which is arranged in a mud cake collecting shovel (5) and is used for collecting mud cakes, a dumping opening (27) and a feeding opening (28) are arranged in the mud cake collecting shovel (5), the feeding opening (28) is used for collecting the mud cakes into the storage tank (29), and the dumping opening (27) is used for dumping the mud cakes in the storage tank (29);
the collecting mechanism comprises a shielding ring (12) fixedly arranged on a cleaning cover (11), a collecting opening (19) matched with a dumping opening (27) is formed in the shielding ring (12), a touch button (21) is fixedly arranged on the shielding ring (12), and a first detection soft rod (20) and a second detection soft rod (31) matched with the touch button (21) are arranged on each mud cake collecting shovel piece (5);
The high-pressure water guide pipe (15) for conveying cleaning water is arranged on the tunneling host machine (1), the end part of the high-pressure water guide pipe (15) is located at the upper part of the collecting opening (19), an observation camera for observing the content of mud cakes in the mud cake collecting shovel (5) is arranged at the end part of the high-pressure water guide pipe (15), a PLC (programmable logic controller) is arranged on the high-pressure water guide pipe (15), and the observation camera and the touch button (21) are matched with the PLC.
2. The hard rock stratum compound TBM tunneling machine with mud cake detection and removal device according to claim 1, characterized in that the reprocessing component comprises a vibration storage cover (18) fixedly mounted on a shielding ring (12), the vibration storage cover (18) is located right below a collection opening (19), a plurality of vibration sieve holes (23) are formed in the vibration storage cover (18), and a vibration mechanism is arranged on the vibration storage cover (18).
3. A hard rock stratum compound TBM tunneling machine with a mud cake detection and removal device according to claim 2, characterized in that the vibration mechanism comprises a plurality of crushing cones (22) fixedly mounted on a rotating roller (13) for crushing mud cakes, a plurality of elastic vibration rods (30) are fixedly mounted at the lower part of the vibration housing cover (18), and the plurality of elastic vibration rods (30) are matched with the crushing cones (22);
the crushing cones (22) rotate along with the rotation of the rotating roller (13), contact and impact the elastic vibrating rods (30) in the rotation process, and enable the vibration storage cover (18) to vibrate in the impact process, so that the vibrating screening of mud cakes in the vibration storage cover (18) is realized.
4. The hard rock stratum compound TBM tunneling machine with the mud cake detection and removal device according to claim 3, characterized in that the conveying assembly comprises an upper conveying belt (7) and a lower conveying belt (6) which are arranged in a tunneling host machine (1) and a tunneling machine head (2), the upper conveying belt (7) and the lower conveying belt (6) are both used for conveying mud cakes, conveying openings matched with the upper conveying belt (7) and the lower conveying belt (6) are formed in a fixed disc (8) and a limiting disc (14), a mud outlet opening (17) for discharging mud cakes is formed in a cleaning cover (11), and a plurality of distributing holes (24) are formed in the upper conveying belt (7);
The crushed and reprocessed mud cakes fall onto the upper conveying belt (7) through the mud outlet opening (17), small-volume crushed mud in the mud cakes falls onto the lower conveying belt (6) through the plurality of distributing holes (24) to be conveyed, and the mud cakes with larger volumes are conveyed along with the upper conveying belt (7) to realize the distribution conveying of the mud cakes.
5. A hard rock stratum compound TBM tunneling machine with a mud cake detection and removal device according to claim 1, characterized in that each mud cake collecting shovel (5) is internally provided with an inclined guide plate, the inclined guide plate is used for enabling the mud cake collecting shovel (5) to rotate to the uppermost part and be in a vertical state, mud cakes in the inclined guide plates are poured out through a pouring opening (27) under the action of gravity, a reset spring shaft (33) is fixedly arranged on the mud cake collecting shovel (5), and a shielding door (32) matched with a feeding opening (28) is rotatably arranged on the reset spring shaft (33).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411377478.6A CN118881383B (en) | 2024-09-30 | 2024-09-30 | Hard rock stratum composite TBM tunneling machine with mud cake detection and removal device |
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| CN202411377478.6A CN118881383B (en) | 2024-09-30 | 2024-09-30 | Hard rock stratum composite TBM tunneling machine with mud cake detection and removal device |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003214091A (en) * | 2002-01-29 | 2003-07-30 | Mitsubishi Heavy Ind Ltd | Tunnel boring machine |
| CN221734217U (en) * | 2024-01-24 | 2024-09-20 | 广州地铁建设管理有限公司 | Cutter disc mud cake excitation cleaning assembly of shield tunneling machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004092141A (en) * | 2002-08-30 | 2004-03-25 | Mitsubishi Heavy Ind Ltd | Tunnel excavator |
| CN111636887A (en) * | 2020-04-21 | 2020-09-08 | 中南大学 | Device and method for cleaning mud cake of shield machine based on rotary water jet |
| CN111828028B (en) * | 2020-06-28 | 2022-04-12 | 盾构及掘进技术国家重点实验室 | Shield tunneling machine cutter head with mud cake detection and removal device and using method |
| CN116944110A (en) * | 2023-07-27 | 2023-10-27 | 义乌工商职业技术学院 | Cutter disc mud cake removing device for shield tunneling machine |
| CN117449866A (en) * | 2023-12-11 | 2024-01-26 | 中铁工程装备集团有限公司 | Cleaning device of heading machine cutterhead and heading machine |
| CN117536636B (en) * | 2023-12-14 | 2025-05-02 | 苏州大学 | A shield machine cutter box mud cake detection and removal device and shield machine |
| CN118142928B (en) * | 2024-02-27 | 2025-12-26 | 中铁三局集团有限公司 | A shield tunneling machine cutterhead mud cake cleaning device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003214091A (en) * | 2002-01-29 | 2003-07-30 | Mitsubishi Heavy Ind Ltd | Tunnel boring machine |
| CN221734217U (en) * | 2024-01-24 | 2024-09-20 | 广州地铁建设管理有限公司 | Cutter disc mud cake excitation cleaning assembly of shield tunneling machine |
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