CN111520154A - Hard rock roadway rock stripping machine and construction process thereof - Google Patents
Hard rock roadway rock stripping machine and construction process thereof Download PDFInfo
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- CN111520154A CN111520154A CN202010304632.2A CN202010304632A CN111520154A CN 111520154 A CN111520154 A CN 111520154A CN 202010304632 A CN202010304632 A CN 202010304632A CN 111520154 A CN111520154 A CN 111520154A
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- 239000011435 rock Substances 0.000 title claims abstract description 120
- 238000010276 construction Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004080 punching Methods 0.000 claims abstract description 79
- 238000005553 drilling Methods 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000008961 swelling Effects 0.000 claims abstract description 16
- 208000032912 Local swelling Diseases 0.000 claims abstract description 3
- 238000005336 cracking Methods 0.000 claims description 17
- 238000009826 distribution Methods 0.000 claims description 8
- 239000002893 slag Substances 0.000 claims description 6
- 210000000245 forearm Anatomy 0.000 claims 1
- 238000009412 basement excavation Methods 0.000 abstract description 11
- 239000003921 oil Substances 0.000 description 37
- 230000005641 tunneling Effects 0.000 description 11
- 238000004901 spalling Methods 0.000 description 6
- 238000005422 blasting Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000002199 base oil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000000926 separation method 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1086—Drives or transmissions specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/126—Loading devices or installations
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/002—Crushing devices specifically for conveying in mines
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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)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a hard rock roadway rock stripping machine and a construction process thereof, wherein the equipment mainly comprises a rock stripping machine walking part, an impact expansion part, an impact excavation part and a loading part; the swelling part of the rock stripping machine mainly comprises a mechanical arm, a punching arm, a swelling arm, a punching drilling tool, a hydraulic swelling device and a pushing mechanism; the swelling parts are arranged on two sides of the walking part of the rock peeling machine through mechanical arms; the front part of the walking part of the rock stripping machine is provided with a loading part, and the loading part mainly comprises a large arm, a large arm oil cylinder, a small arm oil cylinder, an excavator bucket and an excavator bucket oil cylinder; the tail end of the loading part is provided with a punching part, and the punching part consists of a breaking hammer, a fixed seat and a bucket; the excavation part can strip and fall off the rock mass acted by the expansion part on one hand, and can carry out secondary crushing on the larger stripped rock mass on the other hand.
Description
Technical Field
The invention relates to the field of mine rock stripping machinery, in particular to a hard rock roadway rock stripping machine and a construction process thereof, and belongs to the technical field of advanced tunneling equipment, wherein the multifunctional heavy equipment is suitable for hard rock roadway excavation and tunneling with the hardness f being more than 16.
Background
With the development requirements of deep mineral resource exploitation and rapid development of underground space, the tunneling equipment is more and more important, and particularly, no better solution is provided in the aspect of hard rock tunneling, the tunneling exploitation of the small roadway at the present stage is still mainly constructed by adopting a traditional drilling and blasting method, on one hand, the construction efficiency is low, the drilling and blasting occupy most of the whole construction time, on the other hand, the safe exploitation of the roadway is more important, more safety accidents occur in the case of drilling and blasting method construction, and more potential safety hazards exist in the construction method; the TBM shield technology is adopted in the current stage of the tunneling of large-scale tunnels and tunnels, and the construction method has the advantages of high construction efficiency and integrated tunnel forming, but the application range is not comprehensive enough.
In order to solve the existing problems of roadway excavation, the application provides an excavation device designed based on an excavator body, and the excavation device is used for rapid construction of a roadway with the hardness f being more than 16.
Disclosure of Invention
The invention aims to provide a hard rock roadway rock stripping machine and a construction process thereof, which aim to solve the problem of low construction efficiency of hard rock roadways in the background technology, realize multifunctional advanced tunneling equipment integrating impact drilling, hydraulic expansion cracking, mechanical crushing and efficient raking and assembling, and introduce the construction process of the equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
the hard rock roadway rock stripping machine comprises a rock stripping machine walking part, an expansion part and a loading part, wherein the expansion part is arranged on two sides of the front end of the rock stripping machine walking part, and the loading part is arranged at the front end of the rock stripping machine walking part;
the rock stripping machine walking part comprises fixed plates fixed on two sides of the front end of the rock stripping machine walking part, the fixed plates are guide rails, a movable lower moving seat is arranged on each fixed plate, a moving motor and a moving gear are arranged in each lower moving seat, the front end of each lower moving seat is provided with a mechanical arm and two pitching oil cylinders, the two pitching oil cylinders are jointly supported and hinged on the mechanical arm, and the mechanical arm and the pitching oil cylinders are also hinged on the lower moving seat; the upper surface of the mechanical arm is provided with a guide rail, the mechanical arm is provided with a movable upper moving seat, a motor and a gear are arranged in the upper moving seat, the front end of the upper moving seat is a rotatable rotary oil cylinder, the upper part of the rotary oil cylinder is a bottom moving seat, the bottom moving seat and the rotary oil cylinder are longitudinally hinged with each other, and an oil cylinder for adjusting the angle is arranged below the hinged position; the punching mechanism comprises a bottom moving seat, a front chain wheel, a rear chain wheel, a chain and a pushing motor, wherein a punching arm which moves back and forth relative to the bottom moving seat is arranged on the bottom moving seat, the bottom of the punching arm is a track, the motor and the gear which drive the punching arm to move are arranged in the bottom moving seat, an expansion arm is arranged on the side part of the punching arm, the expansion arm and the punching arm are internally provided with the front chain wheel, the rear chain wheel, the chain and the pushing motor, the chain is wound between the two chain wheels, the pushing motor drives the chain wheels to rotate, a hydraulic expansion device is arranged on the outer side of the expansion arm and connected with the chain of the expansion arm, and the inner side of; the upper part of the punching arm is provided with a rotary motor and a punching drilling tool which are connected with each other, the punching drilling tool is positioned at the front end of the rotary motor, the rotary motor is connected with a chain of the punching arm, and the lower part of the rotary motor is also clamped on the punching arm to move back and forth through an installation seat; the directions of the punching drilling tool and the hydraulic expansion crack device are the same;
the loading part comprises a rotary seat, two rotary seat oil cylinders hinged to the front end of the walking part of the rock stripping machine are respectively arranged at two sides of the rotary seat, a large arm and a small arm are hinged to the front end of the rotary seat, one end of the large arm is hinged to the front end of the rotary seat, the other end of the large arm is hinged to one end of the small arm, an excavating bucket is hinged to the other end of the small arm, a large arm oil cylinder is hinged between the lower part of the front end of the rotary seat and the lower part of the tail end of the large arm, a small arm oil cylinder is hinged between one end, connected with the large arm, of the small arm and one end, close to the rotary seat, of the large arm, and an excavating bucket oil cylinder is.
As a further preferable scheme, the crusher further comprises a punching part, wherein the punching part comprises a fixed seat and a crushing hammer, the fixed seat is installed on the small arm, and the crushing hammer is installed on the fixed seat.
As a further preferable mode, the pushing motor and the rotating motor are provided with angle sensors.
As a further preferred scheme, the hole diameter of the punching drill is 150mm-400 mm.
The construction process of the rock stripping machine for the hard rock roadway comprises the following steps:
the method comprises the following steps: the hard rock tunnel rock stripping machine is driven by a rock stripping machine walking part to move forwards to a tunnel section, front and rear supports are propped open to be fixed, workers distribute holes on the current tunnel section, for the holes on the same vertical line or horizontal line, a gap hole distribution method is adopted, the distance is 450-1500 mm according to the hole diameter of 150-400mm, hole distribution methods which are not on the same straight line are added, such as an arc and four large holes in the middle, the workers operate a mechanical arm to position a punching drilling tool to a position to be punched, and a rotary motor and a pushing mechanism are started to perform punching operation;
step two: controlling the mechanical arm to rotate, aligning the expansion cracking arm to form a hole, starting the pushing mechanism, pushing the hydraulic expansion cracking device into the hole, starting the hydraulic expansion cracking device, expanding reverse wedges on two sides of the wedge block to two sides along with the pushing of the wedge block of the hydraulic expansion cracking device to the bottom of the hole, acting on the inner side of the hole wall in the rock body, and breaking the rock body of the roadway section to fall off at the moment;
step three: and step two, controlling the large arm oil cylinder, the small arm oil cylinder and the bucket oil cylinder of the loading part to stretch and retract so that the bucket can scrape the rock mass which is not fallen off, crushing the large rock mass by the crushing hammer on the small arm for facilitating scraping and transporting for the large rock mass, and controlling the bucket to scrape the crushed rock slag onto a shovel plate of the walking part of the rock stripping machine and transport the crushed rock slag to the tail part of the walking part of the rock stripping machine.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, a plurality of main tunnel excavation components are designed on the basis of the tunneling machine body, and the multiple functions are integrated, so that the parallel construction of tunnel excavation is realized, and the rapid excavation of hard rock tunnels is realized. The method solves the equipment requirements of the existing hard rock tunnel construction with different sizes, greatly improves the defects of the traditional tunneling construction method, and improves the tunneling efficiency of the tunnel with the hardness of f > 16.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the swelling portion of the present invention;
FIG. 3 is a schematic view of a pushing mechanism of the swelling portion of the present invention;
FIG. 4 is a schematic view of the loading part according to the present invention;
FIG. 5 is a schematic view of the construction of the excavation portion according to the present invention;
FIG. 6 is a schematic diagram of the hydraulic expansion-cracking device of the present invention;
FIG. 7 is a schematic view of a construction process of the present invention;
in the figure: 1-a walking part of a rock stripping machine; 2-a swelling part; 2.1-mechanical arm; 2.1.1-fixed plate; 2.1.2-lower moving seat; 2.1.3 — upper moving seat; 2.1.4-pitching oil cylinder; 2.1.5-rotary oil cylinder; 2.1.6-moving motor; 2.1.7-moving gear; 2.2-punching arm; 2.3-a pushing mechanism; 2.2.7-sprocket; 2.2.8-chain; 2.3.3-push motor; 2.4-mounting seat; 2.5-rotary motor; 2.6-punching drilling tool; 3-a swelling portion; 2.7-rising crack arm; 2.8-hydraulic expansion-cracking device; 2.8.1-wedge; 2.8.2-reverse wedge; 2.8.3-pore walls; 2.8.4-rock mass; 3-a loading section; 3.1-rotating base; 3.2-rotating base oil cylinder; 3.3-big arm; 3.4-big arm cylinder; 3.5-forearm; 3.6-small arm oil cylinder; 3.7-digging bucket; 3.8-bucket cylinder; 4-a punching part; 4.1-fixed seat; 4.2-breaking hammer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention discloses a hard rock roadway rock stripping machine, which mainly comprises a rock stripping machine walking part 1, an impact expansion part 2, a loading part 3, a hydraulic system, a water system, a gas system and an electric system; the swelling part 2 of the rock stripping machine mainly comprises a mechanical arm 2.1, a punching arm 2.2, a swelling arm 2.7, a punching drilling tool 2.6, a hydraulic swelling device 2.8 and a pushing mechanism 2.3; the swelling part 2 is arranged at two sides of the walking part 1 of the rock stripping machine through a mechanical arm 2.1; the front part of the walking part 1 of the rock stripping machine is provided with a loading part 3, and the loading part 3 mainly comprises a large arm 3.3, a large arm oil cylinder 3.4, a small arm 3.5, a small arm oil cylinder 3.6, a bucket 3.7 and a bucket oil cylinder 3.8; the tail end of the loading part 3 is provided with a digging part 4, and the digging part 4 consists of a breaking hammer 4.2, a fixed seat 4.1 and a bucket 3.7.
The rock peeling machine comprises a punching and expanding part 2, wherein the punching and expanding part 2 is installed on a walking part 1 of the rock peeling machine through a mechanical arm 2.1, the mechanical arm 2.1 can move back and forth on a fixing plate 2.1.1 of the walking part 1 of the rock peeling machine, and the effect of the mechanical arm 2.1 is that a deeper section can be punched and expanded on the premise that the walking part 1 of the rock peeling machine is not moved after one section is punched and expanded, so that the cutting efficiency is improved, a plurality of joints are designed in the mechanical arm 2.1, the stability of the mechanical arm 2.1 in the construction operation process can be improved, the vibration of the mechanical arm 2.1 is prevented, and the punching and deflection caused by displacement and deflection bring inconvenience to the construction of the expansion and cracking, and besides the function, the punching and expanding part 2.2 can reach any position of the section of the;
specifically, a moving motor 2.1.6 and a moving gear 2.1.7 are arranged in a lower moving seat 2.1.2, the motor 2.1.6 drives the moving gear 2.1.7 to rotate and can move back and forth on a track of a fixed plate 2.1.1, the end part of a mechanical arm 2.1 is hinged to two pitching cylinders 2.1.4 at the front end of the lower moving seat 2.1.2, the lower part of the mechanical arm 2.1 is provided with two pitching cylinders 2.1.4, the two pitching cylinders 2.1.4 are jointly supported and hinged to the mechanical arm 2.1, the pitching cylinders 2.1.4 are also hinged to the lower moving seat 2.1.2, the two pitching cylinders 2.1.4 can simultaneously stretch to realize the up and down movement of a swelling part 2, the two pitching cylinders 2.1.4 can stretch one by one and extend to realize the left and right swinging movement of the swelling part 2, the lifting and overturning movement of the tail end of the mechanical arm 2.1 can be realized by controlling the stretching of the hydraulic cylinders at joints, the swelling part 2 can reach any position of the whole roadway to adapt to various.
The upper surface of the mechanical arm 2.1 is provided with a guide rail, the mechanical arm 2.1 is provided with a movable upper moving seat 2.1.3, a motor and a gear are arranged in the upper moving seat 2.1.3, similarly, the motor drives the gear to drive the upper moving seat 2.1.3 to move back and forth on the guide rail of the mechanical arm 2.1, the front end of the upper moving seat 2.1.3 is a rotatable rotary oil cylinder 2.1.5, and the rotary oil cylinder 2.1.5 rotates to drive the upper electric mechanism to rotate; the upper portion of the rotary oil cylinder 2.1.5 is a bottom moving seat, the bottom moving seat is longitudinally hinged with the rotary oil cylinder 2.1.5, an oil cylinder used for adjusting the angle is arranged below the hinged position, the oil cylinder can adjust the turning angle between the bottom moving seat and the rotary oil cylinder 2.1.5, a punching arm 2.2 which moves back and forth relative to the bottom moving seat is arranged on the bottom moving seat, the bottom of the punching arm 2.2 is a track, a motor and a gear which drive the punching arm 2.2 to move are arranged in the bottom moving seat, and similarly, the motor drives the gear to rotate to drive the upper mechanism to move back and forth.
The mechanism on the upper part of the bottom moving seat is a punching arm 2.2, an expansion crack arm 2.7 is arranged on the outer side of the punching arm 2.2, a group of pushing mechanisms 2.3 are respectively arranged in the punching arm 2.2 and the expansion crack arm 2.7, each pushing mechanism 2.3 is formed by combining and designing a chain wheel 2.2.7, a chain 2.2.8 and a pushing motor 2.3.3, the pushing mechanisms 2.3 can effectively reduce the damage to the pushing motors 2.3.3 caused by the vibration in the punching process, the production cost of the whole equipment is reduced, the maintenance is convenient, in addition, the pushing mechanisms 2.3 can push a rotary motor 2.5 to drive a rotary punching drilling tool 2.6 to drill a rock 2.8.4, and the efficient punching operation is realized;
the mounting seat 2.4 of the punching arm 2.2 is clamped on a guide rail at the upper part of the punching arm 2.2, the mounting seat 2.4 of the punching arm 2.2 is fixedly connected with the chain 2.2.8 of the punching arm 2.2, when the pushing motor 2.3.3 of the punching arm 2.2 drives the chain 2.2.8 of the punching arm 2.2 to rotate, the mounting seat 2.4 of the punching arm 2.2 can move on the punching arm 2.2, the rotary motor 2.5 is arranged on the mounting seat 2.4 of the punching arm 2.2, the rotary motor 2.5 can move back and forth along the direction of the punching arm 2.2, the punching drilling tool 2.6 is arranged at the front end of the rotary motor 2.5, the pushing and drilling mechanism 2.3 of the punching arm 2.2 formed by the way can push the rotary motor 2.5 to drive the hollow rotary punching drilling tool 2.6 to rotate, 2.8.4, thereby realizing high-efficiency punching operation, the rotary motor 2.5 is internally provided with a rotation angle for controlling the rotary drilling tool, the rotary drilling motor 2.6 in the punching center, and the rotary drilling motor 2.5 can perform dust discharging process on the rotary punching arm 2.2.2, the clamping is prevented, and the punching drilling tool 2.6 is damaged.
The outer side of the expansion and fracture arm 2.7 is provided with a hydraulic expansion and fracture device 2.8, the expansion and fracture arm 2.7 is internally provided with the same pushing mechanism 2.3, the specific structure and the working principle are the same as those of the punching arm 2.2, when the punching operation is finished, the mechanical arm 2.1 aligns the hydraulic expansion and fracture device 2.8 to a hole by adjusting the posture and the position of the expansion and fracture arm 2.7, the pushing mechanism 2.3 of the expansion and fracture arm 2.7 is utilized to rapidly push the hydraulic expansion and fracture device 2.8 to the bottom of the hole, in particular, the mounting seat 2.4 of the hydraulic expansion and fracture device 2.8 is fixedly connected with the chain 2.2.8 of the expansion and fracture arm 2.7, when the pushing motor 2.3.3.3 of the expansion and fracture arm 2.7 drives the chain 2.2.2.8 of the expansion and fracture device 2.8 to work, the fracture surface is gradually expanded along with the expansion and fracture surface of the expansion and fracture device 2.8 is gradually expanded, finally, the rock masses 2.8.4 are peeled off one by one, so that the efficient separation of the roadway section rock masses 2.8.4 is realized.
The loading part 3 is arranged on a rotary seat 3.1 of the walking part 1 of the rock stripping machine, the rotary seat 3.1 is hinged on the walking part 1 of the rock stripping machine through two telescopic rotary seat oil cylinders 3.2, the rotary seat 3.1 can rotate clockwise and anticlockwise in the range of negative 35 degrees to positive 35 degrees by controlling the extension of the two rotary seat oil cylinders 3.2, one end of a big arm oil cylinder 3.4 is hinged on the rotary seat 3.1, the other end is hinged on the middle lower part of the big arm 3.3, the pitching motion of the big arm 3.3 can be realized by controlling the extension and shortening of the big arm oil cylinder 3.4, a small arm 3.5 is hinged on the tail end of the big arm 3.3, one end of a small arm oil cylinder 3.6 is hinged with the big arm 3.3, the other end is hinged with the small arm 3.5, an excavating bucket 3.8 end is hinged on the excavating bucket 3.7, the other end is hinged with the small arm 3.5, the excavating bucket 3.7 can be used for ripping the crushed rock 2.8.4 to walk on the walking plate of the rock stripping machine by controlling the extension and contraction of each oil, and conveying to the tail part of the machine body by using a conveyor.
The punching part 4 comprises a fixed seat 4.1 and a breaking hammer 4.2, the fixed seat 4.1 is installed on a small arm 3.5 of the loading part 3, the breaking hammer 4.2 is fixedly installed on the fixed seat 4.1, the bucket 3.7 is retracted by controlling the extension of each oil cylinder of the loading part 3, the breaking hammer 4.2 on the small arm 3.5 is exposed, then the breaking hammer 4.2 on the small arm 3.5 can be aligned to a large rock mass 2.8.4 split by the hydraulic expansion device 2.8 to be broken, and the large rock mass 2.8.4 is broken into small blocks, so that the loading and the transportation are convenient. For a roadway section with poor forming quality, the breaking hammer 4.2 of the punching part 4 can also trim the underexcavated part in the roadway section.
The loading part 3 and the punching part 4 are matched for use, secondary crushing can be carried out on the split massive rock mass 2.8.4, the loading part 3 is convenient to carry out picking and transporting, and the operation efficiency is improved. The excavation part 4 designed at the tail end of the loading part 3 can also trim the roadway of the underexcavated part, and the high-efficiency and high-quality molding can be realized.
The loading part 3 drives the bucket 3.7 to scrape and load the small rock mass 2.8.4 on a scraper conveyor of the machine body, the small rock mass 2.8.4 is conveyed to the tail part of the machine body through a middle conveyor of the machine body, and the broken rock mass 2.8.4 is conveyed out of a roadway through a belt conveyor or a transport vehicle. The rock stripping machine can realize the non-explosive mechanized operation of rocks with the compressive strength of 160MPa and above, so that the hard rock tunnel can realize safe and efficient tunneling.
The hydraulic cylinders of the invention all use servo hydraulic cylinders, negative feedback control can be realized, and the control is more accurate.
The invention can drill holes with different diameters, the aperture can be adjusted to (150 mm-400mm) to weaken the tunnel rock mass 2.8.4, the high-power hydraulic expansion-cracking device 2.8 is arranged to efficiently split hard rock, the breaking hammer 4.2 is carried on the loading part 3, the single-arm dual-purpose is realized, and multiple functions are integrated, thereby providing possibility for the rapid construction of hard rock tunnels.
The mechanical arms 2.1 are uniformly distributed on two sides of the walking part 1 of the rock stripping machine, so that the equipment can be improved to adapt to construction of various roadways; on the other hand, due to the arrangement of the two mechanical arms 2.1, the two mechanical arms can work without influencing each other at the same time, and the construction efficiency of the equipment is improved.
The construction process of the rock stripping machine for the hard rock roadway comprises the following steps:
1. the hard rock roadway rock stripping machine advances to the roadway section, supports and struts front and back, workers distribute holes on the current roadway section, pre-positions hole positions of the punching arms 2.2 through adjusting the mechanical arm 2.1, for holes on the same vertical line or horizontal line, a gap hole distribution method is adopted, the distance is 400mm according to the hole diameter 150, the distance is 450mm-1500mm, hole distribution methods which are not on the same straight line are added, such as an arc and four large holes in the middle, the workers operate the mechanical arm 2.1 to position the punching drilling tool 2.6 to the position to be punched, and a rotary motor 2.5 and a pushing mechanism 2.3 are started to perform punching operation;
specifically, automatic hole distribution is carried out according to the section of a roadway, holes are distributed along the periphery of the roadway for the section of a trapezoid or a rectangular roadway, holes are distributed along the periphery of the roadway for the section of an arch roadway, gaps are distributed in straight line sections of the section of the trapezoid or the rectangular roadway, holes are distributed along the direction of 35-40 degrees of horizontal included angle according to the radius of arc sections, after the arrangement of peripheral holes is finished, 4 large-diameter holes are distributed in the center of the roadway along the direction of 35-40 degrees according to the top point holes of the roadway, the horizontal angle between the holes is 35-40 degrees except for the holes in the same straight line, so that the condition of directional expansion cracking is met, after the hole distribution work is finished, a mechanical arm 2.1 adjusts a punching arm 2.2 to accurately position planned holes, and punches the holes one by one, and the depth of.
2. Controlling a mechanical arm 2.1 to rotate, aligning a spalling arm 2.7 to a hole, starting a pushing mechanism 2.3, pushing a hydraulic spalling device 2.8 into the hole, starting the hydraulic spalling device 2.8, opening reverse wedges 2.8.2 at two sides of the wedge 2.8.1 to two sides along with the pushing of a wedge 2.8.1 of the hydraulic spalling device 2.8 to the bottom of the hole, acting on the inner side of a hole wall 2.8.3 in a rock mass 2.8.4, splitting the rock mass 2.8.4 of the roadway section to fall off, spalling the rock mass 2.8.4 according to a spalling angle obtained by research to form a fracture net system, and further breaking the whole section roadway;
3. when the previous step is carried out, the large arm oil cylinder 3.4, the small arm oil cylinder 3.6 and the bucket oil cylinder 3.8 of the loading part 3 are controlled to stretch and retract so that the bucket 3.7 can scrape the rock 2.8.4 which does not fall off, for a large rock 2.8.4, the breaking hammer 4.2 on the small arm 3.5 can carry out secondary breaking on the large rock 2.8.4, the large rock is broken into small blocks which are convenient to scrape and transport, the bucket 3.7 is controlled to scrape broken rock slag onto a shovel plate of the rock stripping machine walking part 1 and transport the rock slag to the tail part of the rock stripping machine walking part 1, and for a roadway section which is not completely stripped, the breaking hammer 4.2 of the punching part 4 can be used for impact breaking, so that fine construction is realized, and the forming quality of the roadway section is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. Rock machine is shelled in hard rock tunnel, its characterized in that: the rock peeling machine comprises a rock peeling machine walking part (1), an expansion part (2) and a loading part (3), wherein the expansion part (2) is arranged on two sides of the front end of the rock peeling machine walking part (1), and the loading part (3) is arranged at the front end of the rock peeling machine walking part (1);
the rock stripping machine walking part (1) comprises fixed plates (2.1.1) fixed on two sides of the front end of the rock stripping machine walking part (1), the fixed plates (2.1.1) are guide rails, a movable lower moving seat (2.1.2) is arranged on the fixed plates (2.1.1), a moving motor (2.1.6) and a moving gear (2.1.7) are arranged in the lower moving seat (2.1.2), the front end of the lower moving seat (2.1.2) is provided with a mechanical arm (2.1) and two pitching cylinders (2.1.4), the two pitching cylinders (2.1.4) are jointly supported and hinged to the mechanical arm (2.1), and the mechanical arm (2.1) and the pitching cylinders (2.1.4) are also hinged to the lower moving seat (2.1.2); the upper surface of the mechanical arm (2.1) is provided with a guide rail, the mechanical arm (2.1) is provided with a movable upper moving seat (2.1.3), a motor and a gear are arranged in the upper moving seat (2.1.3), the front end of the upper moving seat (2.1.3) is provided with a rotatable rotary oil cylinder (2.1.5), the upper part of the rotary oil cylinder (2.1.5) is provided with a bottom moving seat, the bottom moving seat and the rotary oil cylinder (2.1.5) are longitudinally hinged with each other, and an oil cylinder for adjusting the angle is arranged below the hinged position; the bottom moving seat is provided with a punching arm (2.2) moving back and forth relative to the bottom moving seat, the bottom of the punching arm (2.2) is a track, a motor and a gear for driving the punching arm (2.2) to move are arranged in the bottom moving seat, the side part of the punching arm (2.2) is provided with an expanding and cracking arm (2.7), the expanding and cracking arm (2.7) and the punching arm (2.2) are internally provided with a front chain wheel (2.3.1), a rear chain wheel (2.3.1), a chain (2.3.2) and a pushing motor (2.3.3), the chain (2.3.2) is wound between the two chain wheels (2.3.1), the pushing motor (2.3.3) drives the chain wheel (2.3.1) to rotate, the outer side of the expanding and cracking arm (2.7) is provided with a hydraulic expanding and cracking device (2.8), the hydraulic expanding and cracking device (2.8) is connected to the chain (2.3.2) of the expanding and cracking arm (2.7), and the hydraulic expanding and cracking device (2.8) is clamped on the inner side of the expanding and back and forth movement seat (2; the upper part of the punching arm (2.2) is provided with a rotary motor (2.5) and a punching drilling tool (2.6) which are connected with each other, the punching drilling tool (2.6) is positioned at the front end of the rotary motor (2.5), the rotary motor (2.5) is connected with a chain (2.3.2) of the punching arm (2.2), and the lower part of the rotary motor (2.5) is clamped on the punching arm (2.2) through a mounting seat (2.4) to move back and forth; the directions of the punching drilling tool (2.6) and the hydraulic expansion crack device (2.8) are the same;
the loading part (3) comprises a rotary seat (3.1), two rotary seat oil cylinders (3.2) hinged to the front end of the rock stripping machine walking part (1) are respectively arranged at two sides of the rotary seat (3.1), a large arm (3.3) and a small arm (3.5) are hinged to the front end of the rotary seat (3.1), one end of the large arm (3.3) is hinged to the front end of the rotary seat (3.1), the other end of the large arm is hinged to one end of the small arm (3.5), a bucket (3.7) is hinged to the other end of the small arm (3.5), a large arm oil cylinder (3.4) is hinged between the lower part of the front end of the rotary seat (3.1) and the lower part of the tail end of the large arm (3.3), a small arm oil cylinder (3.6) is hinged between one end of the small arm (3.5) connected with the large arm (3.3) and one end of the large arm (3.3) close to the rotary seat (3.1), a bucket oil cylinder (3.8) is hinged between one end of the bucket (3.7) and one end of the small arm (3.5) connected with the large arm (3.3).
2. The hard rock roadway rock stripping machine of claim 1, characterized in that: still include the portion of digging (4), the portion of digging (4) includes fixing base (4.1) and quartering hammer (4.2), install on forearm (3.5) fixing base (4.1), quartering hammer (4.2) are installed on fixing base (4.1).
3. The hard rock roadway rock stripping machine of claim 1, characterized in that: and angle sensors are arranged on the pushing motor (2.3.3) and the rotary motor (2.5).
4. The hard rock roadway rock stripping machine of claim 1, characterized in that: the hole diameter of the hole punching drill (2.6) is 150mm-400 mm.
5. The construction process of the hard rock roadway rock stripping machine as claimed in any one of claims 1 to 4, characterized by comprising the following steps:
the method comprises the following steps: the hard rock tunnel rock stripping machine is driven by a rock stripping machine walking part (1) to move forwards to a tunnel section, a front support and a rear support are propped open to be fixed, a worker distributes holes on the current tunnel section, holes on the same vertical line or horizontal line are distributed by adopting a gap distribution method, the distance is 450-1500 mm according to the hole diameter of 150-400mm, the hole distribution method which is not on the same straight line is added, such as an arc and four large holes in the middle, the worker operates a mechanical arm (2.1) to position a punching drilling tool (2.6) to a position to be punched, and a rotary motor (2.5) and a pushing mechanism (2.3) are started to perform punching operation;
step two: controlling a mechanical arm (2.1) to rotate, aligning a swelling arm (2.7) to a hole, starting a pushing mechanism (2.3), pushing a hydraulic swelling device (2.8) into the hole wall (2.8.3), starting the hydraulic swelling device (2.8), opening reverse wedges (2.8.2) on two sides of the wedge (2.8.1) to two sides along with the pushing of the wedge (2.8.1) of the hydraulic swelling device to the bottom of the hole, acting on the inner side of the hole wall (2.8.3) in a rock body (2.8.4), and breaking the rock body of the roadway section to fall off at the moment;
step three: and when the step two is carried out, the large arm oil cylinder (3.4), the small arm oil cylinder (3.6) and the bucket oil cylinder (3.8) of the loading part (3) are controlled to stretch so that the bucket (3.7) can scrape the rock mass which is not fallen off, for a larger rock mass, the breaking hammer (4.2) on the small arm (3.5) can break the large rock mass into small pieces which are convenient to scrape and load and transport, and the bucket (3.6) is controlled to scrape the broken rock slag onto the shovel plate of the rock stripping machine walking part (1) and transport the rock slag to the tail part of the rock stripping machine walking part (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010304632.2A CN111520154A (en) | 2020-04-17 | 2020-04-17 | Hard rock roadway rock stripping machine and construction process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010304632.2A CN111520154A (en) | 2020-04-17 | 2020-04-17 | Hard rock roadway rock stripping machine and construction process thereof |
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| CN111520154A true CN111520154A (en) | 2020-08-11 |
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