CN117803395A - Construction method based on intelligent tunneling complete equipment - Google Patents
Construction method based on intelligent tunneling complete equipment Download PDFInfo
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- CN117803395A CN117803395A CN202311730051.5A CN202311730051A CN117803395A CN 117803395 A CN117803395 A CN 117803395A CN 202311730051 A CN202311730051 A CN 202311730051A CN 117803395 A CN117803395 A CN 117803395A
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- 230000005641 tunneling Effects 0.000 title claims abstract description 142
- 238000010276 construction Methods 0.000 title claims abstract description 33
- 238000004873 anchoring Methods 0.000 claims abstract description 97
- 239000000428 dust Substances 0.000 claims abstract description 75
- 239000003245 coal Substances 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims abstract description 35
- 230000008569 process Effects 0.000 claims abstract description 30
- 238000005553 drilling Methods 0.000 claims description 39
- 239000011435 rock Substances 0.000 claims description 24
- 238000005520 cutting process Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000005065 mining Methods 0.000 description 5
- 206010063385 Intellectualisation Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/66—Machines for making slits with additional arrangements for drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/68—Machines for making slits combined with equipment for removing, e.g. by loading, material won by other means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/20—General features of equipment for removal of chippings, e.g. for loading on conveyor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Remote Sensing (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a construction method based on intelligent tunneling complete equipment, which relates to the field of coal mine construction, and comprises the following steps of sequentially arranging a tunneling and anchoring machine, an anchor rod drill carriage and a self-moving tail in a roadway from the head-on to the back, arranging the head of a bendable belt reversed loader above the self-moving tail, and arranging a dust removal system on the self-moving tail; step two, tunneling and transporting work is carried out; thirdly, supporting and anchoring work is carried out; step four, continuously repeating the work of the step two and the step three, and simultaneously, repairing and anchoring the area of the anchor digger, which is not provided with the anchor in the process of anchoring the tunnel, by operating the anchor rod drill carriage in the process of tunneling, transporting and supporting and anchoring the anchor digger; and fifthly, when the head of the bendable belt conveyor reaches the tail of the self-moving tail, the self-moving tail moves forwards once. The construction method reduces the time occupation ratio of the anchor supporting operation in the tunneling period and improves the tunneling working efficiency of the tunnel.
Description
Technical Field
The invention relates to the field of coal mine construction, in particular to a construction method based on intelligent tunneling complete equipment.
Background
Long-term coal mining practice shows that the core of coal mine intellectualization is to realize the intellectualization of a fully mechanized coal mining working face and a tunneling working face. At present, the intelligent initial achievement of the fully mechanized coal face is achieved, and the tunneling face is complex in tunneling process, scattered in each working procedure and poor in systematicness, and the outstanding problems of low production efficiency, high labor intensity of workers, more operators, low equipment integration degree, low intelligent degree and the like still exist, so that the requirements of safe and efficient production of coal can not be completely met.
The tunnel tunneling is generally carried out by adopting a single jumbolter matched with a cantilever type tunneling machine for construction operation, and the traditional tunneling process adopts alternate intermittent operation of tunneling and supporting anchors, so that the speed is low, the labor is more, the safety is poor, the tunneling equipment has single function, the mutual cooperativity is poor, the efficiency is low, the mining unbalance is serious, and the efficient production of a coal mine is severely restricted. With the importance of safe production and the demand for improving the working environment of workers, the future market will develop towards the directions of reducing workers, reducing the labor intensity of the workers, improving the tunneling efficiency and improving the systemization, unitization and intellectualization of the working environment. To fundamentally change the lagging state of a tunneling working face, tunneling equipment and technology must be innovated, the development of novel tunneling complete equipment with high efficiency, high adaptability, high reliability and high intelligence is accelerated, intelligent tunneling equipment groups coordinated with the complete equipment are constructed, and the intelligent level of the tunneling equipment and technology is comprehensively improved.
Disclosure of Invention
In order to solve the technical problems, the invention provides the construction method based on the intelligent tunneling complete equipment, which reduces the time occupation ratio of the anchor supporting operation in the tunneling period and improves the tunneling working efficiency of the tunnel.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides a construction method based on intelligent tunneling complete equipment, which comprises the following steps:
the method comprises the steps of firstly, sequentially arranging a tunneling and anchoring machine, an anchor rod drill carriage and a self-moving tail in a roadway from a tunneling head to a back, arranging the head of a bendable belt transfer conveyor above the self-moving tail, enabling the tail of the bendable belt transfer conveyor to pass through the lower part of the anchor rod drill carriage and be connected with the tunneling and anchoring machine, arranging a dust removal system on the self-moving tail and connecting the dust removal system with the head of the bendable belt transfer conveyor, and enabling a dust removal air duct component connected with the dust removal system to extend to the upper part of the tunneling and anchoring machine;
step two, tunneling and transportation work are carried out, the tunneling and anchoring machine cuts coal walls, the shoveling plate loads cut coal rocks, the coal rocks are conveyed to the position above the bendable belt conveyor through the scraper conveyor, the coal rocks are conveyed to the position above the belt of the self-moving tail along with the operation of the bendable belt conveyor, the coal rocks are conveyed to a roadway belt along with the movement of the belt of the self-moving tail and then conveyed to a coal bunker, and the dust removal system removes dust from a tunneling work place through the dust removal air duct assembly;
step three, supporting and anchoring work is carried out, after the cutting work carried out by the digging and anchoring machine is finished, the bendable belt transfer conveyor, the belt at the tail of the self-moving machine and the dust removing system are closed, and cutting, loading, transporting and walking actions of the digging and anchoring machine are stopped; firstly, temporary support is carried out, preparation is carried out for the operation of an anchor rod drilling machine, and the roof and the upper part of the roadway are anchored and protected through the anchor rod drilling machine;
step four, continuously repeating the work of the step two and the step three, and simultaneously, repairing, anchoring and protecting the area of the anchor digger, which is not provided with an anchor piece in the process of anchoring the roadway, by operating the anchor rod drill carriage in the process of tunneling and transporting and the process of supporting and anchoring the anchor digger;
and fifthly, when the head of the bendable belt conveyor reaches the tail of the self-moving tail, the self-moving tail moves forwards once.
Preferably, in the first step, before tunneling work is performed, drilling holes in the coal wall through the tunneling and anchoring machine so as to perform advanced detection and further judge whether the working environment is safe.
Preferably, in step four, each drilling is 80 meters in length and the length of the entry after completion of a drilling job is 50 meters.
Preferably, in the first step, the head of the bendable belt transfer conveyor is sequentially connected with a first supporting trolley, a second supporting trolley and a third supporting trolley, the first supporting trolley is provided with a power station, the power station is used for providing power for the bendable belt transfer conveyor, the second supporting trolley is provided with a combined switch, the combined switch is used for controlling the bendable belt transfer conveyor, the third supporting trolley is provided with the dust removal system, and the tail of the bendable belt transfer conveyor is connected with the anchor tunneling machine through a connecting chain; the automatic shifting tail is provided with an electric cabinet, and the electric cabinet is used for controlling the automatic shifting tail.
Preferably, in the first step, a centralized control center placed in the roadway is arranged at the rear of the self-moving tail, and the centralized control center is used for remotely controlling the anchor digger, the anchor rod drill carriage, the bendable belt transfer conveyor, the self-moving tail and the dust removal system.
Preferably, in step one, the dust removal dryer subassembly includes the scalable flexible dust removal dryer of first dust removal dryer, dust removal dryer changeover portion, first dust removal dryer and the scalable flexible dust removal dryer of second that connects gradually, first dust removal dryer is kept away from the one end of dust removal dryer changeover portion with dust pelletizing system connects, the second dust removal dryer is fixed in on the stock drill carriage, the scalable flexible dust removal dryer of second can stretch to the top of tunneling and anchoring machine.
Preferably, in the second step, the coal wall is cut upwards by the anchor digger in a left-right circulation mode from the roadway bottom plate; when the scraper conveyor conveys the coal rock to the bendable belt transfer conveyor, the coal rock is conveyed to a nose frame part of the bendable belt transfer conveyor from a tail frame part of the bendable belt transfer conveyor along with the operation of the bendable belt transfer conveyor, and then the coal rock is conveyed to the position above a belt of the self-moving tail through a hopper; during tunneling and transportation, the rigid frame of the self-moving tail is in a static state.
Preferably, in the third step, the cutting part is swung to the middle of the anchor driving machine and falls to the ground, so that the temporary support device is lifted to the top plate against the anchor net, then the working state of the electric locking and the hydraulic locking to the anchor drilling machine is switched, the middle of the top plate is anchored firstly, then the position of the anchor drilling machine is adjusted, the left side of the top plate, the right side of the top plate and the two side parts are anchored respectively, and after the anchoring work is completed, the temporary support device is retracted.
Compared with the prior art, the invention has the following technical effects:
according to the construction method based on intelligent tunneling complete equipment, tunneling and anchoring can be completed, tunneling, discharging, temporary supporting and anchoring work can be completed, and the flexible belt reversed loader is overlapped with the self-moving tail, so that continuous tunneling is ensured. After primary tunneling, transportation and shoring and anchoring of the tunneling and anchoring machine are completed, in the subsequent tunneling and transportation processes and the shoring and anchoring process of the tunneling and anchoring machine, the anchor drilling carriage is operated to perform repair and anchoring on the area of the tunneling and anchoring machine, where the anchor is not installed in the process of anchoring the tunnel, so that the tunneling operation and the anchoring operation are spatially separated, the parallel operation can be continuously performed, the time occupation ratio of the anchoring operation in the tunneling period is reduced, the tunneling working efficiency of the tunnel is greatly improved, the labor intensity of workers is reduced, and the mechanization, automation and intelligent degree of tunneling, supporting, anchoring and transportation of the tunnel are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of an intelligent tunneling kit provided by the invention;
FIG. 2 is a process diagram of a tunnel of a tunneling working face based on the construction method of the intelligent tunneling complete equipment;
FIG. 3 is a schematic diagram of the operation of the anchor extractor in the intelligent tunneling kit provided by the invention;
fig. 4 is a schematic diagram of the arrangement of drill holes in the construction method based on the intelligent tunneling complete equipment;
FIG. 5 is a tunneling working face roadway drilling process diagram of the construction method based on the intelligent tunneling complete equipment;
FIG. 6 is a cutting process diagram of a tunneling working face based on the construction method of the intelligent tunneling complete equipment;
fig. 7 is a process diagram of supporting a tunneling working face based on the construction method of the intelligent tunneling complete equipment.
Reference numerals illustrate: 100. intelligent tunneling complete equipment; 1. a digging and anchoring machine; 2. an anchor rod drill carriage; 3. a connecting chain; 4. a flexible belt conveyor; 5. self-moving tail; 6. a power station; 7. a combination switch; 8. a dust removal system; 9. an electric control box; 10. a centralized control center; 11. a first dust removal air duct; 12. a dust removal air duct transition section; 13. the first telescopic flexible dust removal wind barrel; 14. a second dust removal air duct; 15. the second telescopic flexible dust removal wind barrel; 16. a first support cart; 17. a second support cart; 18. a third support cart; 200. roadway; 300. pushing the anchor rod; 400. a top anchor cable; 500. a step of supporting the anchor rod; 600. drilling a drill hole.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a construction method based on intelligent tunneling complete equipment, which reduces the time occupation ratio of the anchor supporting operation in the tunneling period and improves the tunneling working efficiency of a roadway.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1 to 7, the present embodiment provides a construction method based on an intelligent tunneling kit 100, which includes the following steps:
firstly, arranging a tunneling and anchoring machine 1, an anchor rod drill carriage 2 and a self-moving tail 5 in a roadway 200 from the tunneling head to the back in sequence, arranging the head of a bendable belt transfer conveyor 4 above the self-moving tail 5, enabling the tail of the bendable belt transfer conveyor 4 to pass through the lower part of the anchor rod drill carriage 2 and be connected with the tunneling and anchoring machine 1, arranging a dust removal system 8 on the self-moving tail 5 and be connected with the head of the bendable belt transfer conveyor 4, enabling the dust removal system 8 to move back and forth along with the bendable belt transfer conveyor 4, and enabling a dust removal air duct assembly connected with the dust removal system 8 to extend to the upper part of the tunneling and anchoring machine 1; specifically, the head of the bendable belt conveyor 4 overlaps the tail of the self-moving tail 5.
Step two, tunneling and transportation work are carried out, the tunneling and anchoring machine 1 cuts coal walls, the shoveling plate loads cut coal rocks, the coal rocks are conveyed to the upper part of the bendable belt conveyor 4 through the scraper conveyor, the coal rocks are conveyed to the upper part of the belt of the self-moving tail 5 along with the operation of the bendable belt conveyor 4, the coal rocks are conveyed to a roadway belt along with the movement of the belt of the self-moving tail 5 and then conveyed to a coal bin, and the dust removal system 8 removes dust from a tunneling work place through the dust removal air duct assembly, so that the concentration of flour dust of the tunneling work is reduced, and the comfort level of the operation environment is improved.
And thirdly, carrying out supporting and anchoring work, after the cutting work carried out by the anchor digger 1 is finished, closing the belt conveyor 4 capable of bending and the belt and dust removal system 8 of the self-moving tail 5, stopping cutting, loading, transporting and walking actions of the anchor digger 1, carrying out temporary supporting, preparing for the working of an anchor rod drilling machine, and anchoring the top plate and the upper part of the roadway 200 through the anchor rod drilling machine.
And step four, continuously repeating the work of the step two and the step three, and simultaneously, repairing and anchoring the area of the anchor digger 1, which is not provided with an anchor in the process of anchoring the roadway 200, by operating the anchor rod drill carriage 2 in the processes of tunneling and transporting and supporting and anchoring the anchor digger 1. The rock bolt rig 2 in this embodiment is a five-arm hydraulic rock bolt rig.
And fifthly, when the head of the bendable belt conveyor 4 reaches the tail of the self-moving tail 5, the self-moving tail 5 moves forward once.
The tunneling and anchoring machine 1 in the embodiment can finish tunneling, discharging and temporary supporting and anchoring work of the tunnel 200, the flexible belt reversed loader 4 and the self-moving tail 5 are overlapped, continuous tunneling is guaranteed, the self-moving tail 5 can move forward and self after tunneling for a period of time, the labor intensity of workers is reduced by the mode that the flexible belt reversed loader 4 and the self-moving tail 5 are matched, and the tunneling efficiency of the tunnel is improved. After the primary tunneling and transportation and the supporting and anchoring work of the anchor tunneling machine 1 are completed, the anchor tunneling machine 1 is subjected to repairing anchoring and protecting in the area where no anchor is installed in the anchor tunnel 200 by operating the anchor rod drill carriage 2 in the subsequent tunneling and transportation processes and the supporting and anchoring process of the anchor tunneling machine 1.
In the embodiment, the support and anchoring work is realized by adopting a mode of combining preliminary anchoring by the excavating and anchoring machine 1 and repairing anchoring by the anchor rod drill carriage 2, so that the requirement on the support and anchoring workload of the excavating and anchoring machine 1 is reduced, namely the head-on support and anchoring workload is reduced, the support and anchoring operation time of the excavating and anchoring machine 1 is further reduced, and the time occupation ratio of the support and anchoring operation in the tunneling period is reduced; meanwhile, compared with the alternate intermittent operation mode of tunneling and supporting in the prior art, tunneling and transportation of the tunneling and anchoring machine 1 can be carried out in different spaces simultaneously with the anchor protection of the anchor rod drill carriage 2, so that the tunneling operation and the supporting operation can be separated in space and can be carried out continuously and parallelly, the tunneling working efficiency of the roadway 200 is greatly improved, the labor intensity of workers is reduced, and the mechanization, automation and intellectualization degree of tunneling, supporting, anchoring and transportation of the roadway 200 are improved.
As shown in fig. 4, in step one, before tunneling work is performed for different geological conditions, a drilling hole 600 is drilled in the coal wall by the anchor drilling machine 1, so as to detect the front condition, so as to realize advanced detection, and further judge whether the working environment is safe. Specifically, pressure relief holes, water injection holes and the like can be drilled on the coal wall to ensure the safety of the working environment. The anchor drilling machine 1 in this embodiment has a drilling function, and compared with a mode of detecting by using a drilling machine and matching the drilling machine with a heading machine, the steps of reciprocally moving the heading machine and the drilling machine are omitted, and the operation flow is simplified.
As shown in fig. 5, in step four, each drilling has a length of 80 meters and the length of a tunneling after one drilling operation is completed is 50 meters. Specifically, each time 80 meters are drilled, 50 meters are tunneled forwards, and 30 meters are reserved; and then drilling for the next time, drilling for 80 meters, tunneling forward for 50 meters, reserving for 30 meters, and the like to realize drilling and tunneling.
In the first step, the overlapping length of the bendable belt conveyor 4 and the self-moving tail 5 is 35m.
In step five, when the head of the bendable belt conveyor 4 reaches the tail of the self-propelled boom 5 while the anchor conveyor 1 is traveling forward by a distance d, the self-propelled boom 5 is self-propelled forward by a distance d.
The self-moving tail 5 in the embodiment adopts a top-to-bottom walking type self-moving mechanism to realize forward movement, and a left-to-right deviation adjusting mechanism is integrated inside. The bottom of the rigid frame of the self-moving tail 5 is provided with a lifting slide rail, and the rigid frame moves on the rail by virtue of rollers when in walking, so that the running resistance is reduced. And the rigid frame is overlapped with the bendable adhesive tape transfer conveyor, and is provided with a cable guide groove and an O-shaped cable clamping plate at the side for laying the cable of the overlapped section. The self-moving tail 5 is provided with an independent hydraulic system, and a filling pump is used for filling hydraulic oil.
In the first step, the head of the flexible belt conveyor 4 is sequentially connected with a first supporting trolley 16, a second supporting trolley 17 and a third supporting trolley 18, the first supporting trolley 16 is provided with a power station 6, the power station 6 is used for providing power for the flexible belt conveyor 4, the second supporting trolley 17 is provided with a combination switch 7, the combination switch 7 is used for controlling the flexible belt conveyor 4, and the third supporting trolley 18 is provided with a dust removal system 8, so that the power station 6, the combination switch 7 and the dust removal system 8 can move back and forth along with the flexible belt conveyor 4. The tail of the bendable belt reversed loader 4 is connected with the digging and anchoring machine 1 through a connecting chain 3, the bendable belt reversed loader 4 in the embodiment has a walking function, and when the road condition is poor or climbing is carried out, the digging and anchoring machine 1 can apply a pulling force to drive the bendable belt reversed loader 4 to advance. The self-moving tail 5 is provided with an electric cabinet 9, and the electric cabinet 9 is used for controlling the self-moving tail 5.
In this embodiment, two ends of the first link are respectively hinged to the head of the bendable belt conveyor 4 and one end of the first supporting trolley 16, two ends of the second link are respectively hinged to the other end of the first supporting trolley 16 and one end of the second supporting trolley 17, and two ends of the third link are respectively hinged to the other end of the second supporting trolley 17 and one end of the third supporting trolley 18.
In the first step, a centralized control center 10 placed in the roadway 200 is arranged behind the self-moving tail 5, and the centralized control center 10 is used for remotely controlling the tunneling and anchoring machine 1, the anchor rod drill carriage 2, the bendable belt transfer machine 4, the self-moving tail 5 and the dust removal system 8. The centralized control center 10 has the functions of monitoring working conditions of equipment, remotely transmitting data, remotely and intensively controlling, cutting and shaping a section, safely controlling personnel of a tunneling working face and the like.
In step one, the dust removal dryer subassembly is including the first dust removal dryer 11 that connects gradually, dust removal dryer changeover portion 12, the scalable flexible dust removal dryer 13 of first, second dust removal dryer 14 and the scalable flexible dust removal dryer 15 of second, and the one end that the dust removal dryer 12 was kept away from to first dust removal dryer 11 is connected with dust pelletizing system 8, and second dust removal dryer 14 is fixed in on the stock drill carriage 2, and the scalable flexible dust removal dryer 15 of second can stretch to the top of tunneling and anchoring machine 1.
As shown in fig. 6, in the second step, the anchor machine 1 cuts the coal wall upward in a left-right cycle from the bottom plate of the roadway 200; specifically, the machine 1 may cut 1-2 rows, approximately 1-2m. Supporting and anchoring are generally carried out after tunneling forward for 1 m. Under the condition of good geological conditions, the support and the anchor can be carried out after the tunneling is carried out for 2m.
In the second step, after the anchor machine 1 is started, the bendable belt transfer conveyor 4 is also started to be in a working state, and when the scraper conveyor conveys the coal rock to the bendable belt transfer conveyor 4, the coal rock is conveyed to the head frame position of the bendable belt transfer conveyor 4 from the tail frame position of the bendable belt transfer conveyor 4 along with the operation of the bendable belt transfer conveyor 4, and then the coal rock is conveyed to the position above a belt of the self-moving tail 5 through a hopper; during the tunneling and transportation process, the rigid frame of the self-moving tail 5 is in a static state, and the belt of the self-moving tail 5 is in a moving state.
In the second step, the worker can remotely control the tunneling and anchoring machine 1, the anchor rod drill carriage 2, the bendable belt transfer conveyor 4, the self-moving tail 5 and the dust removal system 8 in the centralized control center 10, so that the tunneling and anchoring machine 1 can automatically cut and transport, and the running state of the complete equipment in the working process can be monitored in real time through a camera and a sensor arranged on the equipment.
Specifically, cameras are arranged on the tunneling and anchoring machine 1, the anchor rod drill carriage 2, the bendable belt reversed loader 4 and the self-moving tail 5, and sensors are arranged on the tunneling and anchoring machine 1, the anchor rod drill carriage 2, the bendable belt reversed loader 4, the self-moving tail 5 and the dust removal system 8.
As shown in fig. 7, in step three, the cutting part is swung to the middle of the anchor driving machine 1 and landed, so that the temporary support device is lifted to the top plate against the anchor net, and the head-on temporary support process is completed. Then switching the working states of electric locking and hydraulic locking to the jumbolter, firstly anchoring and protecting the middle of the top plate, then adjusting the position of the jumbolter, respectively anchoring and protecting the left side of the top plate, the right side of the top plate and two side parts, further installing a top anchor rod 300 and a top anchor rope 400 on the top plate, and installing a side anchor rod 500 on the side parts; after the anchoring work is completed, the temporary support device is retracted. During the anchoring process of the heading and anchoring machine 1, workers can monitor the working condition of the working face workers at the centralized control center 10 through cameras arranged on equipment.
In the third step, switching the working states of electric locking and hydraulic locking to the jumbolter, and lifting the drill boom by using a remote control to operate a boom lifting button; remotely operating a slide rail pushing oil cylinder button to move the slide rail to a front limit position; remotely operating a base advance button to move the base to a front limit position; and then, operating the telescopic boom telescopic cylinder, the rotary cylinder, the lifting cylinder, the swinging cylinder and the leveling cylinder to move the drilling frame to the middle position to align with the central hole where the middle anchor net is located, extend out of the propping device, clamp a drilling tool on a drilling box, start a drilling box motor and a feeding cylinder to realize the drilling and anchoring operation of the anchor rod drilling machine, at the moment, the two middle anchor rods complete the anchoring and protecting, adjust the positions of the left anchor rod drilling machine and the right anchor rod drilling machine, respectively anchor and protect the left side of the top plate, the right side of the top plate and the two upper parts, and enter the next cycle after the anchoring and protecting of part of the anchor rods are completed according to geological conditions.
Specifically, the two jumbolters are operated to slide to the head-on anchor protection position and spread, the two jumbolters can simultaneously carry out anchor rod/cable support, and after the anchor rod/cable support is completed, the two jumbolters are operated to retract and retract to the machine body, and the temporary support device is operated to retract.
In this embodiment, a total of 6 workers are required during the process of digging, supporting, anchoring and transporting the loops.
6 workers are needed in the tunneling and transportation processes, and the tunneling and transportation processes are as follows: 1) The centralized control center 10 has 1 person and is responsible for tunneling the tunneling and anchoring machine 1 and controlling the flexible belt reversed loader 4, starting and stopping the self-moving tail 5 and starting and stopping the dust removal system 8; 2) 2 persons stay on the anchor rod drill carriage 2 to repair anchor rods and anchor ropes; 3) A person standing behind the bendable belt conveyor 4 is responsible for checking whether the bendable belt conveyor 4 is piled up or not, so that normal operation is ensured; 4) A person standing behind the self-moving tail 5 is responsible for checking whether large coal rocks are blocked on the self-moving tail 5 or not, so that belt damage caused by blocking materials is prevented; 5) And 1 person takes charge of transporting materials, namely transporting drill rods, anchor rods and anchor cables to the anchor rod drill carriage 2.
The supporting and anchoring process needs 6 workers, which are respectively: 1) The centralized control center 10 has 1 person, monitors the working condition of working face workman at the centralized control center 10 through the camera. 2) 2 persons are needed in the anchoring process of the two jumbolters and are responsible for controlling the jumbolters to drill. 3) And 2 persons are detained on the anchor rod drill carriage 2 to repair the anchor rod and the anchor cable. 4) And 1 person is responsible for transporting materials, namely transporting drill rods, anchor rods and anchor cables to the head-on and anchor rod drilling carriage 2.
After drilling, tunneling, transportation and permanent support are completed, the next cycle can be carried out according to the requirements of the mining party.
Therefore, in the process of digging, supporting, anchoring, transporting and exploring circulation, 6 workers are required, and the construction method based on the intelligent tunneling complete equipment 100 can achieve the effects of reducing people and improving efficiency.
The intelligent tunneling complete equipment 100 in the embodiment can realize continuous tunneling, supporting, anchoring and transporting operations through mutual coordination and cooperative operation among the equipment, reduce the labor intensity of workers, improve the comprehensive tunneling efficiency, improve the systemization of the operation environment, solve the technical problems of single function, poor mutual coordination, low efficiency, multiple people and poor safety of tunneling equipment, and can be suitable for lanes with different shapes and different section sizes such as rectangular lanes, trapezoidal lanes and arched lanes.
The construction method based on the intelligent tunneling complete equipment 100 can be successfully applied in the underground, has positive promotion effects on improving the comprehensive tunneling mechanization degree, shortening the well construction period, reducing the construction cost, improving the construction condition, improving the labor production efficiency and relieving the mining proportion imbalance, has positive effects on converting the coal mine into high-yield high-efficiency intensive safe production, and has important significance on promoting the sustainable development of coal production. On the other hand, an alternative construction mode is provided for civil tunnel construction, and the method plays a positive role in promoting the technical improvement of the civil engineering tunnel.
The principles and embodiments of the present invention have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present invention and its core ideas; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (8)
1. The construction method based on the intelligent tunneling complete equipment is characterized by comprising the following steps of:
the method comprises the steps of firstly, sequentially arranging a tunneling and anchoring machine, an anchor rod drill carriage and a self-moving tail in a roadway from a tunneling head to a back, arranging the head of a bendable belt transfer conveyor above the self-moving tail, enabling the tail of the bendable belt transfer conveyor to pass through the lower part of the anchor rod drill carriage and be connected with the tunneling and anchoring machine, arranging a dust removal system on the self-moving tail and connecting the dust removal system with the head of the bendable belt transfer conveyor, and enabling a dust removal air duct component connected with the dust removal system to extend to the upper part of the tunneling and anchoring machine;
step two, tunneling and transportation work are carried out, the tunneling and anchoring machine cuts coal walls, the shoveling plate loads cut coal rocks, the coal rocks are conveyed to the position above the bendable belt conveyor through the scraper conveyor, the coal rocks are conveyed to the position above the belt of the self-moving tail along with the operation of the bendable belt conveyor, the coal rocks are conveyed to a roadway belt along with the movement of the belt of the self-moving tail and then conveyed to a coal bunker, and the dust removal system removes dust from a tunneling work place through the dust removal air duct assembly;
step three, supporting and anchoring work is carried out, after the cutting work carried out by the digging and anchoring machine is finished, the bendable belt transfer conveyor, the belt at the tail of the self-moving machine and the dust removing system are closed, and cutting, loading, transporting and walking actions of the digging and anchoring machine are stopped; firstly, temporary support is carried out, preparation is carried out for the operation of an anchor rod drilling machine, and the roof and the upper part of the roadway are anchored and protected through the anchor rod drilling machine;
step four, continuously repeating the work of the step two and the step three, and simultaneously, repairing, anchoring and protecting the area of the anchor digger, which is not provided with an anchor piece in the process of anchoring the roadway, by operating the anchor rod drill carriage in the process of tunneling and transporting and the process of supporting and anchoring the anchor digger;
and fifthly, when the head of the bendable belt conveyor reaches the tail of the self-moving tail, the self-moving tail moves forwards once.
2. The construction method based on intelligent tunneling complete equipment according to claim 1 is characterized in that in the first step, before tunneling work is carried out, drilling holes are drilled in a coal wall through the tunneling and anchoring machine so as to carry out advanced detection, and further whether working environment is safe or not is judged.
3. A construction method based on intelligent tunnelling kit as claimed in claim 2, wherein in step four, the length of each drilling is 80 meters and the tunnelling length after completion of a drilling operation is 50 meters.
4. The construction method based on intelligent tunneling complete equipment according to claim 1, wherein in the first step, a first supporting trolley, a second supporting trolley and a third supporting trolley are sequentially connected to the head of the bendable belt conveyor, a power station is arranged on the first supporting trolley and used for providing power for the bendable belt conveyor, a combined switch is arranged on the second supporting trolley and used for controlling the bendable belt conveyor, the dust removal system is arranged on the third supporting trolley, and the tail of the bendable belt conveyor is connected with the anchor excavator through a connecting chain; the automatic shifting tail is provided with an electric cabinet, and the electric cabinet is used for controlling the automatic shifting tail.
5. The construction method based on intelligent tunneling complete equipment according to claim 1, wherein in the first step, a centralized control center placed in the roadway is arranged behind the self-moving tail, and the centralized control center is used for remotely controlling the tunneling and anchoring machine, the anchor rod drill carriage, the bendable belt transfer machine, the self-moving tail and the dust removal system.
6. The construction method based on intelligent tunneling complete equipment according to claim 1, wherein in the first step, the dust removal air duct assembly comprises a first dust removal air duct, a dust removal air duct transition section, a first telescopic flexible dust removal air duct, a second dust removal air duct and a second telescopic flexible dust removal air duct which are sequentially connected, one end of the first dust removal air duct, which is far away from the dust removal air duct transition section, is connected with the dust removal system, the second dust removal air duct is fixed on the anchor rod drill carriage, and the second telescopic flexible dust removal air duct can extend to the upper part of the tunneling and anchoring machine.
7. The construction method based on intelligent tunneling complete equipment according to claim 1, wherein in the second step, the tunnel boring machine starts to cut coal walls from the tunnel bottom plate in a left-right circulation and upward direction; when the scraper conveyor conveys the coal rock to the bendable belt transfer conveyor, the coal rock is conveyed to a nose frame part of the bendable belt transfer conveyor from a tail frame part of the bendable belt transfer conveyor along with the operation of the bendable belt transfer conveyor, and then the coal rock is conveyed to the position above a belt of the self-moving tail through a hopper; during tunneling and transportation, the rigid frame of the self-moving tail is in a static state.
8. The intelligent tunneling kit-based construction method according to claim 1, wherein in the third step, the cutting part is swung to the middle of the tunneling and anchoring machine and is landed, so that the temporary support device is lifted to the top plate against the anchor net, then the working state of the anchoring machine is switched between electric locking and hydraulic locking, the middle of the top plate is anchored first, then the position of the anchoring machine is adjusted, the left side of the top plate, the right side of the top plate and the two upper parts are anchored respectively, and after the anchoring work is completed, the temporary support device is retracted.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311730051.5A CN117803395A (en) | 2023-12-15 | 2023-12-15 | Construction method based on intelligent tunneling complete equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311730051.5A CN117803395A (en) | 2023-12-15 | 2023-12-15 | Construction method based on intelligent tunneling complete equipment |
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| CN202311730051.5A Pending CN117803395A (en) | 2023-12-15 | 2023-12-15 | Construction method based on intelligent tunneling complete equipment |
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| Country | Link |
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