CN212359776U - Multifunctional hard rock tunneling integrated machine - Google Patents

Multifunctional hard rock tunneling integrated machine Download PDF

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Publication number
CN212359776U
CN212359776U CN202020724062.8U CN202020724062U CN212359776U CN 212359776 U CN212359776 U CN 212359776U CN 202020724062 U CN202020724062 U CN 202020724062U CN 212359776 U CN212359776 U CN 212359776U
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oil cylinder
drill
cylinder
arm
thruster
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CN202020724062.8U
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宋金奎
梁士宝
陈楠
崔海利
赵颂
朱强
汪胜余
于卓成
毛春波
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Shuangyashan Jinde Industry Trade Co ltd
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Shuangyashan Jinde Industry Trade Co ltd
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Abstract

The utility model provides a multi-functional tunnelling all-in-one of hard rock, this all-in-one includes the main frame, two sets of track running gear, two sets of rock drilling mechanism, scraper conveyor, loading mechanism and anchor protect mechanism, track running gear is installed to the lower part both sides of main frame, two sets of rock drilling mechanism install respectively in track running gear's left side front upper place and right side front upper place, anchor protects the top that the mechanism set up at track running gear, loading mechanism is installed to the two sets of rock drilling mechanism's in the place ahead of main frame the centre, scraper conveyor is installed to the top of main frame, scraper conveyor is sent into to the rubble material that loading mechanism digs and gets, scraper conveyor carries the main frame afterbody with the rubble material. The problems of low yield and high consumption caused by single-machine operation of rock drilling, loading and transporting and anchor bolt supporting in hard rock tunneling construction are solved, and the mechanization of hard rock roadway construction is realized.

Description

Multifunctional hard rock tunneling integrated machine
Technical Field
The utility model relates to a multi-functional tunnelling all-in-one of hard rock belongs to probing device technical field.
Background
At present, no multifunctional tunneling equipment integrating drilling, loading, transshipment transportation and anchor rod support is really used in production practice in China, and particularly the multifunctional equipment for hard rock tunneling is blank. Although some manufacturers produce driving and anchoring machines in China, the driving and anchoring machines are only used for all-coal roadways. For hard rock, the drilling, loading and anchoring functions are integrated, and the drilling, loading and anchoring functions are still in the research and test stage in China.
The heading machine produced by some domestic manufacturers cannot be suitable for hard rock heading due to the reasons of cutting tooth strength, hardness, wear resistance and the like. If the cutting pick is used for hard rock tunneling, the consumption of the cutting pick is overlarge, and if an imported cutting pick is adopted, the price is too high, so that the tunneling cost is overhigh, and a coal mine is difficult to bear.
From the future development situation, the multifunctional all-in-one machine for hard rock tunneling is a necessary choice for realizing mechanization, automation and intellectualization of tunneling.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that mentions among the above-mentioned background art, provide a novel multi-functional tunnelling all-in-one of hard rock, solved the problem that the hard rock tunnelling construction rock drilling, loading transportation, stock support unit operation caused the low yield high-consumption, realized the mechanization of hard rock tunnel construction.
The utility model provides a multi-functional tunnelling all-in-one of hard rock, including main frame, two sets of track running gear, two sets of rock drilling mechanism, scraper conveyor, loading mechanism and anchor protection mechanism, track running gear is installed to the lower part both sides of main frame, and two sets of rock drilling mechanism install respectively in the front of the left side of track running gear and the front of the right side top, anchor protection mechanism sets up the top at track running gear, loading mechanism is installed to the centre of the two sets of rock drilling mechanism in the place ahead of main frame, scraper conveyor is installed to the top of main frame, scraper conveyor is sent into to the rubble material that loading mechanism digs and gets, and scraper conveyor carries the main frame afterbody with the rubble material.
Preferably, the crawler traveling mechanism comprises a crawler chain, a traveling motor, a speed reducer, a driving chain wheel, a crawler frame, a tensioning oil cylinder and a tensioning wheel set; the walking motor drives the crawler chain to realize walking through the speed reducer and the driving chain wheel, the tightness degree of the crawler belt is adjusted by pushing the tensioning wheel set through the tensioning oil cylinder, and the speed reducer is connected with the crawler frame through the high-strength bolt.
Preferably, rock drilling mechanism includes propeller, drill boom seat, hydraulic rock drill, swing arm hydro-cylinder, lift cylinder, every single move hydro-cylinder and pivot angle hydro-cylinder, the drill boom seat is fixed on the main frame, the top at the drill boom is installed to the propeller, and the propeller can adopt independent structure, also can adopt upper and lower balladeur train structure. The hydraulic rock drill is installed on the propeller or the upper sliding frame, one end of the drill arm is hinged to the drill arm seat through a pin shaft, the other end of the drill arm is hinged to the propeller or the lower sliding frame swing frame, the swing arm oil cylinder is hinged between the frame body and the drill arm and used for driving the drill arm to horizontally rotate, the drill arm lifting oil cylinder is hinged between the drill arm seat and the drill arm, the pitching oil cylinder is hinged to the rotating arm of the drill arm and the propeller, and the swing angle oil cylinder is hinged to the front end of the propeller.
Preferably, the thruster comprises a thruster guide rail, a thruster swing frame, a compensation oil cylinder, a propulsion oil cylinder and a rock drill support plate, wherein the thruster guide rail is installed above the thruster swing frame, the rock drill support plate is installed at the rear part of the thruster guide rail, the hydraulic rock drill is fixed on the rock drill support plate, the compensation oil cylinder is installed between the thruster guide rail and the thruster swing frame, the thruster guide rail can reciprocate along the thruster swing frame through the relative motion of an oil cylinder piston rod, so as to drive the rock drill support plate and the hydraulic rock drill to move back and forth, and the hydraulic rock drill and the rock drill support plate thereof reciprocate on the thruster guide rail under the pushing of the propulsion oil cylinder, so as to complete the drilling and the drill withdrawing actions; the swing angle oil cylinder is hinged to the front end of the propeller swing frame, the other end of the drill arm is hinged to the rotating seat of the propeller swing frame, and the pitching oil cylinder is hinged to the rotating arm of the drill arm and the rotating seat of the propeller swing frame.
Preferably, the propeller includes upper carriage hydro-cylinder, lower carriage hydro-cylinder, goes up the balladeur train, balladeur train and rotatory hydro-cylinder down, the top at the drill boom is installed to the balladeur train down, the balladeur train is installed to the top of lower balladeur train, go up the balladeur train and be reciprocating motion along the lower carriage under the promotion of balladeur train hydro-cylinder down, install hydraulic rock drill on the upper carriage, hydraulic rock drill is along upper carriage reciprocating motion under the promotion of last balladeur train hydro-cylinder, install rotatory hydro-cylinder on the drill boom, it is rotatory to drive upper carriage and the lower carriage of propeller through rotatory hydro-.
Preferably, the loading mechanism comprises a sliding base, a movable arm revolving seat, a movable arm oil cylinder, a movable arm, an arm oil cylinder, a bucket, a connecting rod, a bucket oil cylinder, an arm, a swinging oil cylinder, a sliding seat oil cylinder and a slideway, the slideway is arranged on the main frame, a sliding seat oil cylinder and a swing oil cylinder are arranged on two sides of the slideway, the lower part of the sliding base is provided with a sliding block, the sliding base slides back and forth along a slideway under the driving of a sliding base oil cylinder, one end of the movable arm rotary seat is hinged with the sliding base through a pin shaft, the other end of the movable arm rotary seat is hinged with the movable arm through a pin shaft, an arm is arranged in front of the movable arm, a bucket is arranged in front of the arm, a movable arm oil cylinder is arranged below the movable arm, due to the fact that the movable arm is driven to stretch, the swing oil cylinder is connected with the movable arm to drive the movable arm to swing left and right, an arm oil cylinder is installed above the arm through a connecting rod, and a bucket oil cylinder is installed on the back of the bucket.
Preferably, scraper blade conveying mechanism includes drive arrangement, conveyer chute, double-stranded scraper blade, shovel board and shovel board hydro-cylinder, scraper blade conveying mechanism adopts double-stranded scraper blade formula conveying mechanism, the lower extreme of conveyer chute links to each other with round pin axle on shovel board and the mainframe, and well rear end passes through high strength bolt fastening on the mainframe, install double-stranded scraper blade in the conveyer chute, the double-stranded scraper blade passes through the drive arrangement drive, the rise and fall of the flexible control shovel board of shovel board hydro-cylinder.
Preferably, the anchor and support mechanisms are two groups and are respectively fixed on a support of the crawler traveling mechanism, each anchor and support mechanism comprises a slide rail, a guide oil cylinder, a base, a telescopic arm, a lower support, a first drill frame and a telescopic arm oil cylinder, the slide rails and the guide oil cylinders are fixed on the support of the crawler traveling mechanism, the base is driven by the guide oil cylinders to reciprocate along the slide rails, one end of each telescopic arm is hinged to the base through a pin shaft, the other end of each telescopic arm is hinged to the first drill frame, each telescopic arm oil cylinder is hinged between each telescopic arm and the base, and each first drill frame is provided with a pushing oil cylinder to achieve the stretching of the lower support and the support body.
Preferably, the anchor protection mechanism is an organic whole structure, installs on the upper portion of control chamber complete machine, the anchor protection mechanism includes connecting seat, two flexible arms No. two, two drill rigs and holds in the palm net platform (temporary support), the top at the control chamber of main frame is installed to the connecting seat, install two flexible arms No. two before the connecting seat and connect two drill rigs respectively, flexible arm cylinder drive two flexible arm reciprocating motion, support on two drill rigs and have held in the palm net platform (temporary support), be provided with the promotion hydro-cylinder on the drill rig No. two, realize the lift of holding in the palm net platform (temporary support).
Multi-functional tunnelling all-in-one of hard rock beneficial effect do:
1. a multi-functional tunnelling all-in-one of hard rock be a continuous production's high efficiency tunnelling equipment, mainly used colliery hard rock tunnelling operation, it collects rock drilling, loading, transportation and bores the stock hole as an organic whole, realizes hard rock tunnelling mechanization. The vehicle body is small and compact in structure.
2. A multi-functional tunnelling all-in-one of hard rock, the device has integrateed all functions of full-hydraulic drill carriage \ loading conveyor and roofbolter, can accomplish drilling and load multinomial functions such as carry, has realized hard rock tunnel tunnelling and has synthesized mechanized operations. The device performs rock drilling and hole drilling operation by depending on a hydraulic rock drill, can perform double-arm rock drilling and hole drilling, is flexible in maneuvering, high in rock drilling speed and working efficiency, and has the function of a full-hydraulic drill carriage; the device relies on the backhoe digging arm can take off, collect the rubble in a distance to with the rubble take off dress to self scraper conveyor, through scraper conveyor with rubble transfer to the transport groove afterbody again, fall into and park on other haulage equipment such as transport groove afterbody below transfer equipment or mine car, have the function of loading conveyer, the device relies on roofbolter to carry out the drilling operation, has roofbolter's function.
3. A multi-functional tunnelling all-in-one of hard rock, the device adopts full hydraulic drive, compact structure, drive power is big, working range is wide. The full-face rock drilling, the digging and the installation and the drilling of the anchor rod hole can be carried out without dead angles. The rock drilling system, the loading and conveying system and the anchoring and protecting system respectively work independently in sequence. The operation of each system adopts manual electric operation and electro-hydraulic operation, and the operation is convenient and flexible.
4. A multi-functional tunnelling all-in-one of hard rock, the device not only are applicable to the colliery, also can be used for the culvert of other mine tunnel constructions, highway, railway, tunnel construction, use wide face is the tunnelling equipment of current hard rock tunnel engineering construction ideal. The device has excellent humanized design, the hydraulic system adopts a water cooling mode, and the oil temperature and the oil level of an oil tank are displayed. The machine set is provided with a seat, so that a driver can operate safely, easily and comfortably.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
In the drawings:
fig. 1 is a front view of a first embodiment of the multifunctional hard rock tunneling all-in-one machine of the present invention;
fig. 2 is a schematic top view of a first embodiment of the multifunctional hard rock tunneling all-in-one machine according to the present invention;
fig. 3 is a schematic front view of a second embodiment of the multifunctional hard rock tunneling all-in-one machine according to the present invention;
fig. 4 is a schematic top view of a second embodiment of the multifunctional hard rock tunneling all-in-one machine according to the present invention;
FIG. 5 is a schematic front view of the loading device according to the present invention;
fig. 6 is a schematic top view of the loading device according to the present invention;
fig. 7 is a schematic front view of an embodiment of the rock drilling mechanism according to the present invention;
figure 8 is a schematic front view of a rock drilling mechanism according to an embodiment of the present invention
FIG. 9 is a schematic front view of a scraper conveyor according to the present invention;
FIG. 10 is a schematic top view of a scraper conveyor according to the present invention;
FIG. 11 is a front view of the crawler belt unit according to the present invention;
fig. 12 is a schematic plan view of the crawler travel mechanism according to the present invention;
fig. 13 is a schematic structural view of the anchoring and protecting mechanism in the first embodiment of the multifunctional hard rock tunneling all-in-one machine according to the present invention during retraction;
fig. 14 is a schematic structural diagram of the anchoring and protecting mechanism in the first embodiment of the multifunctional hard rock tunneling all-in-one machine according to the present invention during the working and extending process;
fig. 15 is a schematic structural view of an anchoring and protecting mechanism in a third embodiment of the multifunctional hard rock tunneling all-in-one machine according to the present invention;
in the figure: 1-a crane frame; 2-a main frame; 3-a crawler traveling mechanism; 4-nameplate; 5-coal safety mark; 6-a rock drilling mechanism; 7-explosion-proof lamp for mine; 8-mine explosion-proof electric bell; 9-mine explosion-proof change-over switch; 10-mine explosion-proof control button; 11-a methane detection alarm lamp; 12-a fire extinguisher; 13-vacuum electromagnetic starter; 14-mining explosion-proof locomotive lamps; 15-a transport motor; 16-mine explosion-proof illumination signal comprehensive protection device; 17-mine explosion-proof emergency stop device; 20-a scraper conveyor; 21-explosion-proof motor; 22-a hydraulic pump; 23-a fuel tank; 24-a loading device; 25-a hydraulic control system; 26-an anchoring and protecting mechanism;
31-a track chain; 32-a travel motor; 33-a speed reducer; 34-a drive sprocket; 35-a crawler frame; 36-tensioning oil cylinder; 37-a tensioning wheel set;
61-pusher guide rails; 62-propeller swing frame; 63-a compensation oil cylinder; 64-a propulsion cylinder; 65-rock drill pallet; 66-hydraulic rock drill; 67-swing arm cylinder; 68-drill arm seat; 69-lifting oil cylinders; 610-a drill boom; 611-pitch ram; 612-swing angle oil cylinder; 613-upper carriage; 614-lower carriage; 615-rotating oil cylinder;
201-a drive device; 202 conveyor chute; 203-double-chain scraper; 204-tail-wheel assembly; 205-a shovel plate; 206-blade cylinder;
241-a slide base; 242-boom turret; 243-boom cylinder; 244-boom; 245-a dipper cylinder; 246-bucket; 247-a connecting rod; 248-bucket cylinder; 249-bucket arm; 2410-swing oil cylinder; 2411-a sliding seat oil cylinder; 2412-a slide way;
261-a slide rail; 262-a control panel; 263-a base; 264-telescopic arm; 265-lower rack; 266-drill rig; 267-telescopic arm oil cylinder; 268-a connecting seat; 269-second telescopic arm; 2610-second drill carriage; 2611-trawl platform.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:
the first embodiment is as follows: this embodiment is explained with reference to fig. 1 to 2 and fig. 5 to 14. This embodiment multifunctional hard rock tunneling all-in-one machine, including main frame 2, two sets of track running gear 3, two sets of rock drilling mechanism 6, scraper conveyor 20, loading mechanism 24 and anchor mechanism 26, track running gear 3 is installed to main frame 2's lower part both sides, and two sets of rock drilling mechanism 6 are installed respectively in the front of the left side of track running gear 3 and the front of the right side upper place, anchor mechanism 26 sets up the top at track running gear 3, loading mechanism 24 is installed to the centre of the two sets of rock drilling mechanism 6 in the place ahead of main frame 2, scraper conveyor 20 is installed to main frame 2's top.
As shown in fig. 1-2, the main structure of the multifunctional hard rock tunneling all-in-one machine is composed of a loading mechanism 24, a scraper conveying mechanism 20, left and right rock drilling mechanisms 6, a crawler traveling mechanism 3, a frame, a hydraulic system, an electrical system and the like, and has the following structural characteristics:
1) small overall dimension, compact structure, multiple functions and high efficiency. The width of the car body is 2250mm, and the car can pass 2.5 multiplied by 2.5m2Laneway, adapted to maximum working section of 18m2And simultaneously has the functions of a rock drilling machine and an excavating loader.
2) The unit is of a modular structure, and is very convenient to disassemble, assemble and maintain.
3) The unit walks, drills and bores holes, loads and conveys, and drills the anchor rod holes independently.
4) The main frame 2 is of an integral welding structure, and the whole frame is arranged on the track through a chassis support with high rigidity, so that the rigidity and the strength are high.
5) The loading mechanism 24 and the scraper conveying mechanism 20 have compact structure, large driving force and wide working range, and can load rocks on a full section.
6) The left and right rock drilling mechanisms 6 can operate simultaneously and are flexible. The drill boom 610 has six actions, can drill rock at any position of a working face, has accurate compensation and positioning, can drill holes not only for digging holes, but also for anchor rods, and can drill blast holes for a tunnel face, a top plate, a side wall and a bottom plate.
The drill boom 610 is a light rotary drill boom and a propeller with a stroke multiple structure (the stroke multiple structure is composed of a propulsion cylinder, a pulley block, a steel wire rope, a rock drill slide plate and a steel wire rope tension device).
7) The hydraulic system is powered by a duplex or triplex load-sensitive pump, and the hydraulic valve adopts a load-sensitive multi-way reversing valve.
The working principle is as follows:
the working principle of the unit is that a power supply system firstly connects a power source into a vacuum electromagnetic starter 13 on the multifunctional hard rock tunneling all-in-one machine, the power source enters an explosion-proof motor 21 after coming out, and the explosion-proof motor 21 drives a hydraulic pump to convert electric energy into hydraulic energy. When the multifunctional hard rock tunneling all-in-one machine walks, the hydraulic pump 22 drives the crawler chain to rotate through the reduction gearbox, and the crawler chain is propelled to the working position. When drilling, firstly, a hydraulic system drives the supporting legs at two sides of the rear part of the main frame 2 to stabilize the whole machine set, then the drilling arm 610 is operated to act to select hole positions, the propeller is positioned through the compensating device, the drilling system for drilling rock is operated, the hydraulic rock drill is operated, and the water supply system washes blast holes. During loading and conveying, the scraper bucket 246 is used for scraping the crushed stone materials in the working range, then the crushed stone materials are conveyed into the scraper conveyor 20, the scraper conveyor 20 conveys the crushed stone materials to the tail of the drilling and loading unit, and the crushed stone materials are conveyed away through a transfer mechanism such as a mine car or a conveying belt. When drilling the anchor rod hole, the unit is moved to a proper position, then the rock drilling mechanism and the loading mechanism are lowered to the plane of the bottom plate, the upper drilling space is made, and then the anchor rod drilling machine is adjusted to perform drilling operation.
(1) Traveling mechanism
The crawler traveling mechanism 3 comprises a crawler chain 31, a traveling motor 32, a speed reducer 33, a driving chain wheel 34, a crawler frame 35, a tensioning oil cylinder 36 and a tensioning wheel set 37; the walking motor 32 drives the track chain 31 through a speed reducer 33 and a driving chain wheel 34 to realize walking, the tightness degree of the track pushes a tensioning wheel set 37 to be adjusted through a tensioning oil cylinder 36, and the speed reducer 33 is connected with a track frame 36 through a high-strength bolt.
The crawler traveling mechanism 3 is shown in fig. 11 and 12, and has the main functions of realizing the traveling of the whole hard rock multifunctional tunneling all-in-one machine and also pushing the shovel plate to take off materials.
The crawler tensioning mechanism consists of a tensioning wheel set and a tensioning oil cylinder, and the tightness degree of the crawler is adjusted by pushing the tensioning wheel set by the tensioning oil cylinder. The tensioning oil cylinder is in a single-action mode, and the tensioning wheel extends out and is locked by the clamping plate. Tensioning hydro-cylinder, cardboard are all installed in the track outside, convenient and practical to all be furnished with the apron in order to guarantee the pleasing to the eye of appearance.
(2) Rock drilling mechanism
Rock drilling mechanism 6 includes propeller, drill boom 610, drill boom seat 68, hydraulic rock drill 66, swing arm hydro-cylinder 67, lift cylinder 69, pitch hydro-cylinder 611 and swing angle hydro-cylinder 612, drill boom seat 68 is fixed on mainframe 2, the top at drill boom 610 is installed to the propeller, install hydraulic rock drill 66 on the propeller, drill boom 610 one end is articulated with drill boom seat 68 by the round pin axle, and the other end is articulated with the propeller, swing arm hydro-cylinder 67 articulates between carriage body and drill boom 610 for the horizontal gyration of drive drill boom 610, drill boom lift cylinder 69 articulates between drill boom seat 68 and drill boom 610, pitch hydro-cylinder 611 articulates on the rotor and the propeller of drill boom seat 68, swing angle hydro-cylinder 612 articulates the front end at the propeller.
The propeller comprises a propeller guide rail 61, a propeller swinging frame 62, a compensating oil cylinder 63, a propelling oil cylinder 64 and a rock drill supporting plate 65, wherein the propeller guide rail 61 is arranged above the propeller swinging frame 62, the rock drill supporting plate 65 is arranged at the rear part of the propeller guide rail 61, the hydraulic rock drill 66 is fixed on the rock drill supporting plate 65, the compensating oil cylinder 63 is arranged between the propeller guide rail 61 and the propeller swinging frame 62, the propeller guide rail 61 can reciprocate along the propeller swinging frame 62 by the relative movement of an oil cylinder piston rod, the rock drill supporting plate 65 and the hydraulic rock drill 66 are driven to move back and forth, the hydraulic rock drill 66 and the rock drill supporting plate 65 thereof reciprocate on the propeller guide rail 61 under the pushing of the propelling oil cylinder 64, and the drilling and the drill withdrawing actions are completed; the swing angle cylinder 612 is hinged to the front end of the thruster swing frame 62, the other end of the drill arm 610 is hinged to the rotating seat of the thruster swing frame 62, and the pitch cylinder 611 is hinged to the rotating arm of the drill arm seat 68 and the rotating seat of the thruster swing frame 62.
The swing arm oil cylinder 67 of the drill boom horizontal rotation is hinged between the frame body and the drill boom 610, and the relative reciprocating motion of the swing arm oil cylinder 67 and the piston rod is used for completing the action that the drill boom 610 horizontally swings around the drill boom seat 608.
The drill boom lifting cylinder 69 is hinged between the drill boom seat 68 and the drill boom 610, and the lifting and falling of the supporting drill boom are controlled by the reciprocating motion of the piston rod in the cylinder. In order to ensure the stability of the drill boom 610 during operation after being lifted, a bidirectional hydraulic lock is arranged on an oil inlet path. In order to ensure the stability of the drill boom 610 when falling, a bidirectional throttle valve is arranged on an oil return path when the drill boom 610 falls.
The thruster swing angle cylinder 612 is hinged between the thruster swing frame seat and the thruster swing frame 62. Because the piston rod moves in the cylinder in a reciprocating way, the propeller can swing left and right around the rotating seat.
The pod pitch ram 611 is hinged to the swivel arm of the drill arm and the swivel mount of the pod swing frame, and the pod completes the pitch motion by the reciprocating motion of the piston rod in its ram.
The thruster compensating cylinder 63 is installed between the thruster guide rail 61 and the thruster swing frame 62, and the thruster guide rail 61 can reciprocate along the thruster swing frame 62 by the relative movement of the cylinder piston rods. The rotation of the drill boom 610 is driven by a BM200 hydraulic motor, the drill boom 610 slowly rotates through the motion conversion of a worm gear pair, and the reduction ratio of the worm gear pair is 32: 1.
the hydraulic rock drill 66 is fixed on the rock drill supporting plate 65, the hydraulic rock drill 66 and the supporting plate 65 make reciprocating motion on the guide rail of the propeller under the push of the propulsion oil cylinder 64 and the steel wire winding mechanism to complete the drilling and the drill rod withdrawing actions, in order to adapt to various rock drilling conditions, a throttling speed regulating valve and a gradual drilling valve are arranged on a hydraulic propulsion system, and the drilling speed can be adjusted according to different rocks.
There are six actions of the boom 610.
Swinging the drill boom: swinging the drill boom outwards by 47 degrees from the center of the drill boom; swinging 14 degrees inwards from the center of the drill boom; the propeller swings left and right at 45 degrees respectively;
lifting the drill boom: rising from horizontal by 55 °; descending 16 degrees from the horizontal position; the compensation stroke of the propeller is 1.5 m;
rotating the drill boom: the drill arm rotates leftwards for 180 degrees;
the drill boom rotates for 180 degrees to the right;
the propeller has a horizontal depression angle of 105 degrees;
the propeller is at an elevation angle of 15 ° from horizontal.
The propeller consists of a propeller swing frame 62, a propulsion guide rail 61, a propulsion oil cylinder 64, a compensation oil cylinder 63, a hydraulic rock drill supporting plate 65 and a steel rope winding mechanism. The propulsion system is composed of a welded sliding frame and four guide rails with square interfaces, the upper two guide rails are used for guiding the rock drill during propulsion (and also used for guiding a pulley plate), and the lower two guide rails are used for guiding the propulsion sliding frame during compensation. The front section of the sliding frame is provided with a rubber pad or a crosshead tip which always props against the face during rock drilling so as to prevent the hole position from being moved to cause failure during drilling.
The middle and front drill rod supporters are used for preventing the drill rod from being bent during drilling and enhancing the bending strength of the drill rod. The pallet 65 of the rock drilling machine is a transition plate for coupling the rock drilling machine with a skid. The pulley is used for passing through and winding the steel wire rope and forms a pulley block system with the pulley supporting plate propelling cylinder. The tensioning of the steel wire rope is achieved by means of a tensioner.
The piston rod of the thrust cylinder 64 is fixed to the carriage, and when pressure oil enters the rodless cavity of the thrust cylinder 64 through the oil inlet, the cylinder body of the thrust cylinder is pushed forward under the action of pressure, and the rock drill 66 is driven to push forward.
(3) Loading mechanism
The loading mechanism 24 includes a sliding base 241, a boom swing seat 242, a boom cylinder 243, a boom 244, an arm cylinder 245, a bucket 246, a connecting rod 247, a bucket cylinder 248, an arm 249, a swing cylinder 2410, a slide cylinder 2411 and a slide 2412, the slide 2412 is installed on the main frame 2, the slide cylinder 2411 and the swing cylinder 2410 are installed on two sides of the slide 2412, a slider is installed on the lower portion of the sliding base 241, the sliding base 241 slides back and forth along the slide 2412 under the driving of the slide cylinder 2411, one end of the boom swing seat 242 is hinged to the sliding base 241 by a pin shaft, the other end is hinged to the boom 244 by a pin shaft, the arm 249 is installed in front of the boom 244, the bucket 246 is installed in front of the arm 249, the boom cylinder 243 is installed below the boom 244, the swing cylinder 2410 is connected to the boom 244 due to the extension and retraction of the boom 244, the arm cylinder 245 is attached to the upper side of the arm 249 via a link 247 by driving the arm to swing left and right, and the bucket cylinder 248 is attached to the back of the bucket 246.
The loading mechanism 24 is responsible for raking and collecting the crushed materials, and the structure is shown in figures 5-6. Boom 244, stick 249, bucket 246, and link 247 are all hinged by a pin. The sliding base oil cylinder 2411 is hinged between the main frame 2 and the sliding base 241, the sliding base 241 is installed on a sliding rail 2412 of the main frame 2, and the sliding base oil cylinder 2411 can push the sliding base 241 to move back and forth along the sliding rail 2412, so that the whole loading mechanism 24 is driven to move back and forth, and the movement range is 1.8 m. The swing oil cylinder 10 can extend and contract to enable the movable arm 244 to rotate left and right, and two ends of the swing oil cylinder 10 are provided with one-way throttle valves to control the rotation speed; the boom 244 is moved up and down by extension and contraction of the boom cylinder 3, and a one-way throttle valve is installed at one end of a rod chamber of the boom cylinder 243 to control the lowering speed of the boom 244. Extension and retraction of arm cylinder 245 causes arm 249 to move forward and backward. The extension and retraction of bucket cylinder 248 causes bucket 246 to perform a digging action. The bucket 246 is provided with bucket teeth, and can be replaced after being worn. The working range of each oil cylinder during specific work is as follows:
the boom cylinder 243 controls the boom 244 to swing up and down within a range of +/-25 degrees from the horizontal position;
the swing oil cylinder 2410 controls the swing range of the movable arm 244 to swing left and right by +/-30 degrees from the longitudinal center position;
the arm cylinder 245 controls the swing range of an arm 249 to be 110 degrees;
the bucket cylinder 248 controls the swing range of the bucket 246 to 70 °.
(4) Scraper conveying mechanism
Scraper conveyor 20 includes drive arrangement 201, conveyer chute 202, double-stranded scraper blade 203, shovel board 205 and shovel board hydro-cylinder 206, scraper conveyor 20 adopts double-stranded scraper blade formula conveying mechanism, the lower extreme of conveyer chute links to each other with round pin axle on shovel board 205 and the mainframe 2, and well rear end passes through high strength bolt fastening on mainframe 2, install double-stranded scraper blade 203 in the conveyer chute 202, double-stranded scraper blade 203 passes through drive arrangement 201 drive, the rise and fall of flexible control shovel board 205 of shovel board hydro-cylinder 206.
The scraper conveying mechanism 20 is mainly composed of a driving device 201, a conveyor chute 202, a double-chain scraper 203, a tail wheel assembly 204, a scraper 205, a scraper cylinder 206 and the like (see fig. 9-10). The vehicle adopts a side double-chain scraper type conveying mechanism, a conveyor chute 202 can be separated, the middle of the conveyor chute is connected by a high-strength bolt, the conveyor chute 202 is connected with a shovel plate 205 and a pin shaft on a main frame 2 through a socket, and the middle rear end of the chute is fixed on the main frame 2 through the high-strength bolt. The scraper conveyor 20 directly drives the chain wheels by using two hydraulic motors to drive the scraper chain set to realize material transfer. The tensioning device adopts a structure of a screw rod and a spring buffer to adjust the tightness degree of the scraper chain. The tail wheel assembly 204 is fixed on the shovel plate 205, and is convenient to fold and assemble. The extension and retraction of blade cylinder 206 controls the raising and lowering of blade 205. The blade 205 has a rise and fall range of 20.
(5) Anchor protection mechanism
The anchor and protection mechanisms 26 are two groups and are respectively fixed on the supports of the crawler traveling mechanism 3, each anchor and protection mechanism 26 comprises a sliding rail 261, a guide oil cylinder, a base 263, a telescopic arm 264, a lower support 265, a first drill frame 266 and a telescopic arm oil cylinder 267, the sliding rail 261 and the guide oil cylinder are fixed on the supports of the crawler traveling mechanism 3, the base 263 is driven by the guide oil cylinder to reciprocate along the sliding rail 261, one end of the telescopic arm 264 is hinged to the base 263 through a pin shaft, the other end of the telescopic arm 264 is hinged to the first drill frame 266, the telescopic arm oil cylinder 267 is hinged between the telescopic arm 264 and the base 263, and the first drill frame 266 is provided with a pushing oil cylinder to realize the extension and retraction of the lower support 265 and the frame body.
The two groups of anchoring mechanisms 26 are respectively fixed on the track frame 35 of the track walking mechanism 3, are positioned above the track walking mechanism 3, move independently, and are in a folded state shown in fig. 13 when not anchored at ordinary times, when the anchoring mechanism works, the guide oil cylinder driving base 263 moves forward, the telescopic arm 264 stretches, and the first drilling frame 266 is provided with a pushing oil cylinder to complete the stretching of the drilling frame and complete the anchoring work (as shown in fig. 14).
(6) Vehicle frame
The frame of the multifunctional hard rock tunneling all-in-one machine comprises a main frame 2 and a tail frame 1 which are welded by steel plates, wherein the main frame 2 is fixed on a walking chassis by bolts, and the tail frame 1 is fixed at the rear part of the main frame 2 by bolts. The frame connects the major parts of the whole vehicle, and the drilling arm seats 68 are respectively arranged on the left and right sides of the front part of the main frame 2 and bear the dynamic load and the static load of the drilling mechanism 6 of the left and right drilling arms; the cab is positioned in the middle of the left side of the main frame 2, and all hydraulic control operating handles are arranged on an operating panel in the cab, so that the operation is convenient and flexible; the hydraulic pump station is arranged at the upper right of the main frame 2, the front of the main frame 2 is connected with the shovel plate 205, the rear of the main frame 2 is connected with the tail frame 1, the scraper conveying mechanism 20 is fixed at the upper middle part of the main frame 2, and the traction oil cylinder is hinged on the traction lug plate at the lower rear part of the main frame 2 through a pin shaft. The left and right sides of the tail frame 1 are respectively provided with a supporting oil cylinder which is used for resisting external force during rock drilling, hole drilling, excavation and loading operation, supporting the vehicle body and keeping the stability and reliability of the whole drilling and loading unit. A cooler and a hydraulic jumbolter 26 are fixed on the left upper part of the tail frame 1, an explosion-proof motor and a plurality of hydraulic pumps are fixed on the right upper part, and the rear part is connected with a second conveyor. The frame has compact structure, high rigidity and high strength, and can meet the use requirements of all connecting pieces with the frame.
(7) Hydraulic part
The hydraulic system is composed of three basic subsystems. The first subsystem performs rock drilling and hole drilling operation and has the function of a full-hydraulic drill carriage; the second subsystem can carry out loading and conveying operation of materials and has the function of a loading conveyor. The third subsystem is used for drilling anchor rod holes and has the function of a hydraulic anchoring and protecting mechanism.
The drilling subsystem, the loading and conveying subsystem and the drilling and anchoring rod hole subsystem work independently, and the three subsystems cannot work simultaneously. The hydraulic system adopts an energy-saving negative feedback system, and each subsystem is provided with corresponding flow by a load sensitive pump according to actual needs. The operation of the reversing valve in each system can adopt a manual electric mode and an electro-hydraulic mode. The hydraulic oil of the hydraulic system adopts a water cooling scheme and can also adopt air cooling.
The second embodiment is as follows: referring to fig. 8, the rock drilling mechanism 6 according to the embodiment is of a dual-slideway structure, the thruster includes an upper carriage cylinder, a lower carriage cylinder, an upper carriage 613, a lower carriage 614 and a rotation cylinder 615, the lower carriage 614 is installed above the drill boom 610, an upper carriage 613 is installed above the lower carriage 614, the upper carriage 613 reciprocates along the lower carriage 614 under the pushing of the lower carriage cylinder, a hydraulic rock drill 66 is installed on the upper carriage 613, the hydraulic rock drill 66 reciprocates along the upper carriage 613 under the pushing of the upper carriage cylinder, the rotation cylinder 615 is installed on the drill boom 610, and the upper carriage 613 and the lower carriage 614 of the thruster are driven to rotate by the rotation cylinder 615. Other structures and connection relations are the same as those of the first embodiment.
The rock drilling mechanism 6 is designed as a double chute in order to save space, so that a horizontal chute design will save half the space. The rotary cylinder 615 is designed to facilitate rotation of the hydraulic rock drill 66 through various angles for rock drilling.
The third concrete implementation mode: this embodiment is explained with reference to fig. 3 to 4, and fig. 15. The multifunctional hard rock tunneling all-in-one machine comprises a main frame 2, two groups of crawler traveling mechanisms 3, two groups of rock drilling mechanisms 6, a scraper conveying mechanism 20 and a loading mechanism 24, and the structures and the connection relations of the structures are the same as those of the first specific embodiment.
The anchoring and protecting mechanism 26 is of an integral structure and is arranged at the upper part of the whole operating room, the anchoring and protecting mechanism 26 comprises a connecting seat 268, two second telescopic arms 269, a telescopic arm oil cylinder, two second drilling rigs 2610 and a net supporting platform (temporary support) 2611, the connecting seat 268 is arranged at the top of the operating room of the main frame 2, the two second telescopic arms 269 are arranged in front of the connecting seat 268, and the telescopic arms can be stretched in one stage or in multiple stages. The telescopic boom is respectively connected with two second drill frames 2610, the jumbolter is arranged on the drill frames, the jumbolter can slide left and right on a cross beam below the jumbolter while being supported, and meanwhile, the jumbolter also rotates left and right in front and back to adapt to the adjustment of the drilling position. The telescopic arm oil cylinder drives the second telescopic arm 269 to reciprocate, a net supporting platform (temporary support) 2611 is supported on the two second drilling rigs 2610 and can be folded onto the drilling rigs, and a pushing oil cylinder is arranged on the second drilling rig 2610 to realize the lifting of the net supporting platform (temporary support) 2611.
The above-mentioned embodiments further explain the objects, technical solutions and advantages of the present invention in detail. It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the present invention, and that any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention may be made without departing from the scope of the present invention.

Claims (9)

1. The utility model provides a multi-functional tunnelling all-in-one of hard rock, its characterized in that includes main frame (2), two sets of track running gear (3), two sets of rock drilling mechanism (6), scraper conveyor (20), loading mechanism (24) and anchor mechanism (26), track running gear (3) are installed to the lower part both sides of main frame (2), and upper left side front and right side front upper side at track running gear (3) are installed respectively in two sets of rock drilling mechanism (6), anchor mechanism (26) set up the top at track running gear (3), loading mechanism (24) are installed to the centre of the two sets of rock drilling mechanism (6) in the place ahead of main frame (2), scraper conveyor (20) are installed to the top of main frame (2), scraper conveyor (20) are sent into to the rubble material that loading mechanism (24) excavated, the scraper conveying mechanism (20) conveys the crushed stone materials to the tail part of the main frame (2).
2. The multifunctional hard rock tunneling all-in-one machine according to claim 1, wherein the crawler traveling mechanism (3) comprises a crawler chain (31), a traveling motor (32), a speed reducer (33), a driving chain wheel (34), a crawler frame (35), a tensioning cylinder (36) and a tensioning wheel set (37); the walking motor (32) drives the track chain (31) to walk through the speed reducer (33) and the driving chain wheel (34), the tightness degree of the track pushes the tensioning wheel set (37) to be adjusted through the tensioning oil cylinder (36), and the speed reducer (33) is connected with the track frame (35) through the high-strength bolt.
3. The multifunctional hard rock tunneling all-in-one machine is characterized in that the rock drilling and boring mechanism (6) comprises a thruster, a drill boom (610), a drill boom seat (68), a hydraulic rock drill (66), a swing arm cylinder (67), a lifting cylinder (69), a pitching cylinder (611) and a swing angle cylinder (612), the drill boom seat (68) is fixed on the main frame (2), the thruster is installed above the drill boom (610), the hydraulic rock drill (66) is installed on the thruster, one end of the drill boom (610) is hinged with the drill boom seat (68) through a pin shaft, the other end of the drill boom (610) is hinged with the thruster, the swing arm cylinder (67) is hinged between a frame body and the drill boom (610) and used for driving the drill boom (610) to horizontally rotate, the drill boom lifting cylinder (69) is hinged between the drill boom seat (68) and the drill boom (610), and the pitching cylinder (611) is hinged with the rotating arm of the drill boom seat (68) and the thruster, the swing angle oil cylinder (612) is hinged to the front end of the propeller.
4. The multifunctional hard rock tunneling all-in-one machine is characterized in that the thruster comprises a thruster guide rail (61), a thruster swing frame (62), a compensation oil cylinder (63), a thruster oil cylinder (64) and a rock drilling machine supporting plate (65), the thruster guide rail (61) is installed above the thruster swing frame (62), the rock drilling machine supporting plate (65) is installed at the rear part of the thruster guide rail (61), the hydraulic rock drilling machine (66) is fixed on the rock drilling machine supporting plate (65), the compensation oil cylinder (63) is installed between the thruster guide rail (61) and the thruster swing frame (62), the thruster guide rail (61) can reciprocate along the thruster swing frame (62) through the relative movement of an oil cylinder piston rod, the rock drilling machine supporting plate (65) and the hydraulic rock drilling machine (66) are driven to move back and forth, and back, the hydraulic rock drilling machine (66) and the rock drilling machine supporting plate (65) thereof are connected, the drill rod moves back and forth on the guide rail (61) of the propeller under the pushing of the propulsion oil cylinder (64) to finish the actions of drilling and withdrawing the drill rod; the swing angle oil cylinder (612) is hinged to the front end of the propeller swing frame (62), the other end of the drill arm (610) is hinged to a rotating seat of the propeller swing frame (62), and the pitching oil cylinder (611) is hinged to the rotating arm of the drill arm (610) and the rotating seat of the propeller swing frame (62).
5. The multifunctional hard rock tunneling all-in-one machine according to claim 3, wherein the thruster comprises an upper carriage oil cylinder, a lower carriage oil cylinder, an upper carriage (613), a lower carriage (614) and a rotary oil cylinder (615), the lower carriage (614) is installed above the drill boom (610), the upper carriage (613) is installed above the lower carriage (614), the upper carriage (613) reciprocates along the lower carriage (614) under the pushing of the lower carriage oil cylinder, the hydraulic rock drill (66) is installed on the upper carriage (613), the hydraulic rock drill (66) reciprocates along the upper carriage (613) under the pushing of the upper carriage oil cylinder, the rotary oil cylinder (615) is installed on the drill boom (610), and the upper carriage (613) and the lower carriage (614) of the thruster are driven to rotate through the rotary oil cylinder (615).
6. The multifunctional hard rock tunneling all-in-one machine according to claim 1, wherein the loading mechanism (24) comprises a sliding base (241), a movable arm revolving base (242), a movable arm oil cylinder (243), a movable arm (244), an arm cylinder (245), a bucket (246), a connecting rod (247), a bucket oil cylinder (248), an arm (249), a swinging oil cylinder (2410), a sliding base oil cylinder (2411) and a slideway 2412, the slideway 2412 is installed on the main frame (2), the sliding base oil cylinder (2411) and the swinging oil cylinder (2410) are installed on two sides of the slideway 2412, a sliding block is installed on the lower portion of the sliding base (241), the sliding base (241) slides back and forth along the slideway 2412 under the driving of the sliding base oil cylinder (2411), a pin shaft at one end of the movable arm revolving base (242) is hinged to the sliding base (241), a pin shaft at the other end of the movable arm revolving base (244) is hinged to the movable arm (244), an, a bucket (246) is installed in front of the bucket rod (249), a movable arm oil cylinder (243) is installed below the movable arm (244), the movable arm (244) is driven to extend and retract, the swing oil cylinder (2410) is connected with the movable arm (244) to drive the movable arm to swing left and right, an bucket rod oil cylinder (245) is installed above the bucket rod (249) through a connecting rod (247), and a bucket oil cylinder (248) is installed on the back of the bucket (246).
7. The multifunctional hard rock tunneling all-in-one machine is characterized in that the scraper conveying mechanism (20) comprises a driving device (201), a conveyor chute (202), a double-chain scraper (203), a shovel plate (205) and a shovel plate oil cylinder (206), the scraper conveying mechanism (20) adopts the double-chain scraper conveying mechanism, the lower end of the conveyor chute is connected with the shovel plate (205) and a pin shaft on a main frame, the middle rear end of the conveyor chute is fixed on the main frame (2) through a high-strength bolt, the double-chain scraper (203) is installed in the conveyor chute (202), the double-chain scraper (203) is driven through the driving device (201), and the extension of the shovel plate oil cylinder (206) controls the rising and falling of the shovel plate (205).
8. A multifunctional hard rock tunneling all-in-one machine according to any one of claims 1-7, characterized in that the anchoring and protecting mechanisms (26) are provided in two groups and respectively fixed on the supports of the crawler traveling mechanisms (3), the anchoring and protecting mechanisms (26) comprise slide rails (261), guide cylinders, a base (263), a first telescopic arm (264), a lower support (265), a first drill frame (266) and a telescopic arm cylinder (267), the slide rails (261) and the guide cylinders are fixed on the supports of the crawler traveling mechanisms (3), the base (263) is driven by the guide cylinders to reciprocate along the slide rails (261), one end of the telescopic arm 264 is hinged with the base (263) through a pin shaft, the other end of the telescopic arm cylinder (267) is hinged between the telescopic arm 264 and the base (263), and a pushing cylinder is arranged on the first drill frame (266), realizes the extension and contraction of the lower bracket (265) and the frame body.
9. The multifunctional hard rock tunneling all-in-one machine according to any one of claims 1-7, characterized in that the anchoring and protecting mechanism (26) is of an integral structure and is installed at the upper part of the whole machine of the operation room, the anchoring and protecting mechanism (26) comprises a connecting seat (268), two second telescopic arms (269), a telescopic arm oil cylinder, two second drilling frames (2610) and a net supporting platform (2611), the connecting seat (268) is installed at the top of the operation room of the main frame (2), the two second telescopic arms (269) are installed in front of the connecting seat (268) and are respectively connected with the two second drilling frames (2610), the telescopic arm oil cylinder drives the second telescopic arms (269) to reciprocate, the net supporting platform (2611) is supported on the two second drilling frames (2610), the net supporting platform (2611) can be folded onto the second drilling frame (2610), and the pushing oil cylinder is arranged on the second drilling frame (2610), realize the lift of net supporting platform (2611).
CN202020724062.8U 2020-05-06 2020-05-06 Multifunctional hard rock tunneling integrated machine Active CN212359776U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112832804A (en) * 2021-03-29 2021-05-25 中国煤炭科工集团太原研究院有限公司 Mining multi-row double-arm hydraulic drill carriage
CN113137255A (en) * 2021-05-14 2021-07-20 安徽佳乐矿山设备有限公司 Switching device for rock drill of anchor rod trolley
CN114352325A (en) * 2021-12-20 2022-04-15 安徽佳乐建设机械有限公司 Multifunctional arch drill prying and anchoring trolley
WO2023226483A1 (en) * 2022-05-27 2023-11-30 三一重型装备有限公司 Travel speed feedback apparatus and intelligent boring machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112832804A (en) * 2021-03-29 2021-05-25 中国煤炭科工集团太原研究院有限公司 Mining multi-row double-arm hydraulic drill carriage
CN113137255A (en) * 2021-05-14 2021-07-20 安徽佳乐矿山设备有限公司 Switching device for rock drill of anchor rod trolley
CN114352325A (en) * 2021-12-20 2022-04-15 安徽佳乐建设机械有限公司 Multifunctional arch drill prying and anchoring trolley
WO2023226483A1 (en) * 2022-05-27 2023-11-30 三一重型装备有限公司 Travel speed feedback apparatus and intelligent boring machine

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