CN104612586A - Whole-section quick-drilling drill carriage for parallel cut blasting of large empty holes in roadway - Google Patents
Whole-section quick-drilling drill carriage for parallel cut blasting of large empty holes in roadway Download PDFInfo
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- CN104612586A CN104612586A CN201410641605.9A CN201410641605A CN104612586A CN 104612586 A CN104612586 A CN 104612586A CN 201410641605 A CN201410641605 A CN 201410641605A CN 104612586 A CN104612586 A CN 104612586A
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- 238000005553 drilling Methods 0.000 title claims abstract description 86
- 238000005422 blasting Methods 0.000 title claims abstract description 38
- 239000011435 rock Substances 0.000 claims abstract description 25
- 230000005641 tunneling Effects 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 17
- 230000001141 propulsive effect Effects 0.000 claims description 15
- 230000003028 elevating effect Effects 0.000 claims description 12
- 230000009183 running Effects 0.000 claims description 12
- 241000125205 Anethum Species 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 7
- 235000007164 Oryza sativa Nutrition 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 235000009566 rice Nutrition 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000002360 explosive Substances 0.000 claims description 4
- 239000002828 fuel tank Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 231100000241 scar Toxicity 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 7
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 241000209094 Oryza Species 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004482 other powder Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/027—Drills for drilling shallow holes, e.g. for taking soil samples or for drilling postholes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B6/00—Drives for drilling with combined rotary and percussive action
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
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- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a whole-section quick-drilling drill carriage specially used for parallel cut blasting of large empty holes in a roadway. The drill carriage is composed of a walking mechanism, a carriage frame, a hydraulic system, an electrical system and two drilling devices, wherein the first drilling device is used for drilling common blasting holes, and the second drilling device is used for drilling cut holes with the diameter of 100 mm or more. In the operating process of the drill carriage, a hydraulic motor drives a main chain wheel of a crawler-type walking chassis to rotate through a speed reducer; after a carriage body is stabilized, the first drilling device and the second drilling device are manipulated to select hole locations respectively; after the first drilling device and the second drilling device are located, the common blasting holes and the empty holes with the diameter of 100 mm or more can be drilled in rock simultaneously. The drill carriage is suitable for the roadway with the minimum section of 8 square meters and the maximum section of 23 square meters; by the adoption of a building block structural design, the drill carriage is convenient and fast to disassemble and assemble and convenient to transport; as a result, the drill carriage can be used when the length of the roadway under tunneling construction is seven meters or more, and accelerates tunneling mechanization and quick and efficient tunneling modernization.
Description
Technical field
The present invention relates to blasting boreholes drill carriage, particularly relate to coal mine roadway sinking and blasting boring drill carriage.
Background technology
Drilling and blasting method, in for a long time, remains the main method of coal mine roadway tunneling construction.Main with 8-23m in coal mine roadway engineering
2in, small section tunnel is main.Based on the medium-length hole blasting of 2-3 rice in tunneling construction, the key of medium-length hole blasting is the selection of cutting method.According to research, the best cutting method of medium-length hole blasting is burn cut, needs the intensive emptying aperture leaving not powder charge to improve the explosion scope of freedom during burn cut.Along with researcher is to the progress of Empty hole effect and rock-cracking mechanism, in recent years there is the new method of large emptying aperture parallel cut blasting, become in raising, the Major Technology of small section tunnel cyclic advance.So-called large emptying aperture burn cut, be the straight eye emptying aperture of the not powder charge at drift section intermediate arrangement 1-3 more than diameter 100mm, powder charge easer first forms explosive funnel using hollow hole of centre as the scope of freedom, creates conditions for other powder charge holes form two scope of freedoms.It has boring less, few, the blasting efficiency high advantage of powder charge.Because current boring drill carriage designs according to the slim hole of common diameter 32mm, so, when boring the large diameter borehole of more than 100mm, need to adopt separately down-the-hole drill to carry out gradation boring, operation can not be carried out simultaneously, affect drilling construction speed, and call two kinds of drill carriages back and forth or rig extremely bothers.Owing at present also can not bore the special drill carriage that macropore can bore again aperture simultaneously, so, at present domestic and international to the practical application of major diameter emptying aperture burn cut and few, make the advantage of major diameter emptying aperture burn cut can not get playing.
At present, down-the-hole drill many employings air hammer, air hammer is also known as pneumatic dth hammer or pneumatic down hole hammer.Air hammer is directly connected to impact mode detritus with hard alloy columnar teeth drill bit, is dynamic medium with compressed air, utilizes compressed-air actuated energy to produce repetitive shocks.To the example also air hammer not being used for drill carriage at present.
Summary of the invention
For solving tunnel macropore parallel cut blasting tunneling boring rapid drilling problem, the present invention proposes a kind of tunneling boring rapid drilling drill carriage being exclusively used in the large emptying aperture parallel cut blasting in tunnel.
For a tunneling boring rapid drilling drill carriage for the large emptying aperture parallel cut blasting in tunnel, it is characterized in that:
It is by walking mechanism, vehicle frame, hydraulic system, electrical system, and two cover drilling equipments formed; Wherein in two cover drilling equipments, first set drilling equipment is the device for boring common shot hole, and the second cover drilling equipment is the device of the easer for more than drill diameter 100mm.
Described walking mechanism is the crawler-type traveling chassis of a width 1.0-1.2 rice, and it overlaps completely independently track frame, running motor, reductor, drive sprocket, caterpillar chain, track tension device by left and right two and formed; Often overlap track frame to be fixed by a perpendicular flat key and vehicle frame, then tighten together with vehicle frame with high-strength bolt; Reductor high-strength bolt is connected with track frame; Running motor drives caterpillar chain to realize walking by reductor and drive sprocket; Track tension device is made up of tensioning wheels and tensioning hydro-cylinder, and tensioning hydro-cylinder promotes the tightness that regulating wheel regulates crawler belt.
Described vehicle frame comprises main car frame and trailer frame two parts of Plate Welding, and main car frame and trailer frame bolt are separately fixed on the front and back position on walking chassis; Arrange first and second cover drilling equipment respectively in the both sides, front of main car frame, main car frame rear is furnished with driver's cabin, and all hydraulic controlled operation handles are installed on the control panel in driver's cabin; Hydraulic system installed by trailer frame, provides power to whole bench drill car; Be provided with hydraulic leg in the corner of vehicle frame, by hydraulic leg, drill carriage be supported on roadway floor during boring.
Described first set drilling equipment, is made up of manipulator drill boom, hammer drill track, propulsive mechanism and rail-mounted rock dill; The structure of manipulator drill boom is, is fixed with drill boom seat in side, main car frame front, and drill boom seat is provided with can the principal arm sleeve pipe of oscilaltion, and be hinged with drill boom lifting hydraulic cylinder between drill boom seat and principal arm sleeve pipe, this hydraulic cylinder is used for the oscilaltion of principal arm sleeve pipe; Leading portion in principal arm sleeve pipe is nested with mechanical arm, and rear end is nested with telescopic oil cylinder, protracting and retrude of telescopic oil cylinder controller mechanical arm; The front end of mechanical arm is provided with drill boom facade rotary hydraulic motor, drill boom facade rotary hydraulic motor is provided with drill boom Plane Rotation hydraulic pressure horse and runing rest, hydraulic motor driven rotary chassis plane rotates, runing rest is hinged with compensation frame, be provided with drill boom oscillating motor between runing rest and compensation frame, drill boom oscillating motor is for compensating swinging up and down of frame; Compensate in frame and be provided with balladeur train compensating cylinder; Above-mentioned hammer drill track installation on compensation frame, and is connected with the external part of balladeur train compensating cylinder, and balladeur train compensating cylinder promotes hammer drill track and holds out against all the time on boring scar, prevents from moving during perforating; Above-mentioned rail-mounted rock dill is fixed on hammer drill supporting plate, and hammer drill supporting plate coordinates with hammer drill track; Described propulsive mechanism is a sprocket wheel link chain mechanism; Sprocket wheel link chain mechanism is the gear reduction box being provided with the drive of hammer drill propulsion motor in the rear end of hammer drill track, the output shaft of gear reduction box is provided with drive sprocket, rail-mounted rock dill track rear end is provided with revolution sprocket wheel, chain two ends are fixed on hammer drill supporting plate respectively after revolution sprocket wheel and drive sprocket are wound around, during the running of hammer drill propulsion motor, chain affects the rotary impact device on hammer drill supporting plate to move reciprocatingly on guide rail, completes boring and moves back pricker action.
The preferred guide tracked hydraulic drill rig of above-mentioned rail-mounted rock dill.
For ensureing stability when working after drill boom rises, drill boom lifting hydraulic cylinder in-line is provided with one-way hydraulic lock.
The second described cover drilling equipment is provided with major diameter blasting boreholes device on a crane; The structure of major diameter blasting boreholes device is on borer rail, be provided with rotary impact device and propulsive mechanism; Not only described rotary impact device is one and drives drilling rod to rotate but also realize the device of bore bit impact, be made up of circulator, hollow drill pipe, binding clasp and air hammer; The structure of above-mentioned circulator is, comprises a gear reduction box and rotation motor, and driving gear and the rotation motor of reduction box realize transmission, and the driven gear of reduction box is arranged in a hollow shaft, requires that the internal diameter of hollow shaft and hollow drill pipe external diameter match; Described hollow drill pipe passes from hollow shaft, and hollow drill pipe and hollow shaft is clamped together by binding clasp, thus makes hollow shaft drive drilling rod to rotate together; Described air hammer is arranged on hollow drill pipe front end, and from hollow drill pipe rear end to air hammer air feed, the front end of air hammer is provided with the rotary impact type bore bit that diameter is greater than more than 100mm; The mounting structure of rotary impact device and borer rail is, borer rail is provided with a drill supporting plate, by the floor installation of reduction box on drill supporting plate; Described propulsive mechanism is a sprocket wheel link chain mechanism; Sprocket wheel link chain mechanism is the gear reduction box being provided with the drive of hammer drill propulsion motor in the rear end of hammer drill track, the output shaft of gear reduction box is provided with drive sprocket, hammer drill track rear end is provided with revolution sprocket wheel, chain two ends are fixed on hammer drill supporting plate respectively after revolution sprocket wheel and drive sprocket are wound around, during the running of hammer drill propulsion motor, chain affects the rotary impact device on hammer drill supporting plate to move reciprocatingly on guide rail, completes boring and moves back pricker action.
Described crane is on vehicle frame, fix a four-column type balladeur train, four-column type balladeur train is made up of front stand and rear stand, in four-column type balladeur train, elevating mechanism is installed, borer rail is fixed on elevating mechanism, borer rail is moved up and down under elevating mechanism effect in four-column type balladeur train, thus the operation height of punchinging of adjustment major diameter blasting boreholes device.
Above-mentioned elevating mechanism is made up of the parallel four-bar linkage be fixed on vehicle frame and lifting rail oil cylinder, lifting rail oil cylinder is tilting to be arranged between the lifting arm of parallel four-bar linkage and vehicle frame, makes the lifting arm of parallel four-bar linkage decline or rise when lifting rail oil cylinder stretches.
Described hydraulic system is made up of hydraulic power unit, hydraulic valve piece and fluid pressure line; Fluid pressure line connects drill carriage all hydraulic motor, hydraulic jack and hydraulic drill rig by hydraulic valve piece, thus controls walking, the support of drill carriage, and controls location and the rock drilling action of first and second cover drilling equipment.
Above-mentioned hydraulic power unit comprises electric control box, flame-proof motor, two duplex gear pump, hydraulic oil cooler and fuel tanks; The electric output of electric control box connects flame-proof motor, and flame-proof motor drives two duplex gear pump runnings, thus produces high pressure liquid potential source, and hydraulic motor, hydraulic jack and the hydraulic drill rig all for drill carriage provide power; Hydraulic oil cooler adopts water-cooled and air-cooled two kinds of modes, has during water and adopts water-cooled, adopt electric fan to realize air-cooled under anhydrous condition.
The stability of drill steel during in order to ensure to hole, the front end of described borer rail is also provided with foresight puncheon centralizing device.
The preferred hydraulic motor of all motors of first and second above-mentioned cover drilling equipment; In order to adjust penetration rate according to different lithology, the in-line of hammer drill hydraulic motor and drill hydraulic motor is provided with throttle grverning valve.
For ensureing the rate of tension of chain, the propulsive mechanism of first and second above-mentioned cover drilling equipment is equipped with chain tensioning device.
During the work of this drill carriage, first the electric control box on power source access drill carriage, after closing a floodgate, motor two ends drive two duplex gear pump, and duplex gear pump is hydraulic energy electric energy conversion.The head sprocket on crawler-type traveling chassis is driven to rotate by hydraulic motor through reductor during drill carriage walking.During rock drilling, make the supporting leg supporting & stablizing on vehicle frame both sides live car body, then handle first and second cover drilling equipment selecting hole position respectively, the rock drilling operation of the emptying aperture of General Explosive hole and more than diameter 100mm behind location, can be carried out simultaneously.
Good effect of the present invention is as follows:
One, compared with the drill carriage of existing market, chassis is compact, and width only has 1.0-1.2 rice, can with operation while that mechanization drive hoeing machine being supporting in tunnel, appropriate location, drive hoeing machine rear portion can be fallen back on after having holed easily and park.Adopt all-hydraulic transmission, compact conformation, driving force is large, can realize stereoscopic and omnibearing boring, not stay dead angle; Two hammer drill can work simultaneously; Hydraulic system adopts water-cooled to add air cooling way, adapts to different water source situations.
Two, automaticity is high, and during operation, a main manipulator and a pair help operator to complete all drilled hole, and main manipulator is in manipulation interior works, and job safety, operates comfortable.
Three, first set drilling equipment can lean out chassis operation, meet any position boring of different excavated section, drill boom is furnished with two can 360 ° rotate hydraulic motors, can on work plane random flexible modulation bore angle, face driving hole can not only be beaten, the bolthole of can also pinch plate, lateral wall, base plate; Can complete the designing requirement of various shot hole, especially the design of smooth blasting requirement of perimeter hole, guarantees laneway molding standard, ensures that country rock is complete; Utilize hydraulic drill rig efficient drilling, rock average penetration rates 1 m/min, by hole depth 2 meters, 60 calculating of holing, can complete bore operation in 2 hours.
Four, the second cover drilling equipment adopts the bore mode impacting and add rotation, hard rock can be adapted to, soft rock can be adapted to again, the slotting emptying aperture of 100mm can be greater than by drill diameter when tunnel blasting tunnels, the emptying aperture such as boring two diameter 108mm can produce the slotting space of an one meter in diameter, can save the easer of 8-10 common diameter; If by the degree of depth of large diameter borehole depth down 300mm, adding the pre-buried cartridge bag in depths, the bottomless resistance avalanche of follow-up common borehole can made, make blast hole utilization factor reach 100 ﹪.Therefore, the invention solves that slotting when boring quick-fried driving is difficult, borehole utilizes low key issue, make the advantage of major diameter emptying aperture burn cut obtain performance.
Five, this drill carriage is applicable to drift section minimum is 8m
2, maximum section is 23m
2; This drill carriage adopts modular construction design, convenient to disassembly, and transport is convenient, and therefore, tunneling construction tunnel length, at more than 7m, can use this drill carriage, for improving tunneling development, rapidly and efficiently tunneling modernization and striding forward.
Accompanying drawing explanation
Fig. 1 is the car load front view of embodiment;
Fig. 2 is the top view of embodiment
Fig. 3 is the front view of the second cover drilling equipment.
Marginal data, 1-crawler-type traveling chassis, 2-main car frame, 3-drill boom seat, 4-fluid pressure line, 5-principal arm sleeve pipe, 5a-drill boom lifting hydraulic cylinder, 5b-drill boom oscillating motor, 5c-balladeur train compensating cylinder, 5d-telescopic oil cylinder, 5e-mechanical arm, 6-drill boom facade rotary hydraulic motor, 7-drill boom Plane Rotation hydraulic motor, 8-runing rest, 9-compensates frame, 10-rail-mounted rock dill, 10a-hammer drill supporting plate, 10b-sprocket wheel link chain mechanism, 11-hammer drill propulsion motor, 12-hammer drill track, 13-crane, 14-second overlaps drilling equipment, 15-duplex gear pump, 16-flame-proof motor, 17-electric fan, 18-electric control box, 19-fuel tank, 20-hydraulic leg, 21-driver's cabin, 22-blasting-proof machine car light, 23-trailer frame, 24-foresight puncheon centralizing device, 25-hydraulic valve piece, 26-lifting rail oil cylinder, 27-borer rail, 28-chain, 29-turns one's head sprocket wheel, 30-impacts rotary bore bit, 31-impactor, 32-binding clasp, 33-reduction box, 34-drilling tool rotation motor, 35-hollow drill pipe, 36-reduction gear box, 36a-drill propulsion motor, 37-quadric chain, 38-leading block, 39-hollow shaft, 40-drill supporting plate, 41-front stand, stand after 42-, 43-drive sprocket.
Detailed description of the invention
As shown in Figure 1 and Figure 2, tunneling boring rapid drilling drill carriage of the present invention, by walking mechanism, vehicle frame, hydraulic system, two cover drilling equipments formed; First set drilling equipment wherein in two cover drilling equipments is for boring common shot hole, and the second cover drilling equipment is used for the emptying aperture of more than drill diameter 100mm;
Described walking mechanism is a conventional crawler-type traveling chassis 1, design width 1.0-1.2 rice, and it overlaps completely independently track frame, running motor, reductor, drive sprocket, caterpillar chain, track tension device by left and right two and formed; Often overlap track frame to be fixed by a perpendicular flat key and vehicle frame, then tighten together with vehicle frame with high-strength bolt; Reductor high-strength bolt is connected with track frame; Running motor drives caterpillar chain to realize walking by reductor and drive sprocket; Track tension device is made up of tensioning wheels and tensioning hydro-cylinder, and tensioning hydro-cylinder promotes the tightness that regulating wheel regulates crawler belt, because crawler-type traveling chassis 1 is prior art, does not draw detailed construction in figure;
Described vehicle frame comprises main car frame 2 and trailer frame 23 two parts of Plate Welding, and main car frame 2 and trailer frame 23 bolt are separately fixed on the front and back position on walking chassis 1; Arrange first set drilling equipment, two cover drilling equipments respectively in the both sides, front of main car frame 2, main car frame 2 rear is furnished with driver's cabin 21, and driver's cabin 21 is provided with blasting-proof machine car light 22, and all hydraulic controlled operation handles are installed on the control panel in driver's cabin 21; Hydraulic system installed by trailer frame 23, provides power to whole bench drill car; Before the corner of vehicle frame is provided with, hydraulic leg and rear hydraulic leg 20, be supported on roadway floor by hydraulic leg by drill carriage during boring;
Described first set drilling equipment, is made up of manipulator drill boom, hammer drill track 12, propulsive mechanism and rail-mounted rock dill 10; The structure of manipulator drill boom is, drill boom seat 3 is fixed with in side, main car frame 2 front, drill boom seat 3 is provided with can the principal arm sleeve pipe 5 of oscilaltion, and be hinged with drill boom lifting hydraulic cylinder 5a between drill boom seat 3 and principal arm 5, drill boom lifting hydraulic cylinder 5a is used for the oscilaltion of principal arm sleeve pipe 5; Leading portion in principal arm sleeve pipe 5 is nested with mechanical arm 5e, and rear end is nested with telescopic oil cylinder 5d, and telescopic oil cylinder 5d controller mechanical arm 5e's protracts and retrude; The front end of mechanical arm 5e is provided with drill boom facade rotary hydraulic motor 6, drill boom facade rotary hydraulic motor 6 is provided with drill boom Plane Rotation hydraulic motor 7 and runing rest 8, drill boom Plane Rotation hydraulic motor 7 driven rotary support 8 Plane Rotation, runing rest 8 is hinged with and compensates frame 9, be provided with drill boom oscillating motor 5b between runing rest 8 and compensation frame 9, drill boom oscillating motor 5b is for compensating swinging up and down of frame 9; Compensate in frame 9 and be provided with balladeur train compensating cylinder 5c; Above-mentioned hammer drill track 12 is arranged on and compensates on frame 9, and is connected with the external part of balladeur train compensating cylinder 5c, and balladeur train compensating cylinder 8 promotes hammer drill track 12 and holds out against all the time on boring scar, prevents from moving during perforating; Above-mentioned rail-mounted rock dill 10 is arranged on and is fixed on hammer drill supporting plate 10a, and hammer drill supporting plate 10a coordinates with hammer drill track 12; Described propulsive mechanism is a sprocket wheel link chain mechanism 10b; Sprocket wheel link chain mechanism 10b is the gear reduction box being provided with hammer drill propulsion motor 22 drive in the rear end of hammer drill track 12, the output shaft of gear reduction box is provided with drive sprocket, hammer drill track rear end is provided with revolution sprocket wheel, chain two ends are fixed on hammer drill supporting plate 10a respectively after revolution sprocket wheel and drive sprocket are wound around, when hammer drill propulsion motor 11 operates, chain affects the rotary impact device on hammer drill supporting plate 10a to move reciprocatingly on guide rail, completes boring and moves back pricker action.
The preferred guide tracked hydraulic drill rig of above-mentioned rail-mounted rock dill 10.
For ensureing stability when working after drill boom rises, drill boom raise-lower hydraulic oil cylinder 5a in-line is provided with one-way hydraulic lock.
During for ensureing to hole, the stability of drill steel, is also provided with foresight puncheon centralizing device 24 in hammer drill track 12 front end.
As shown in Figure 3, the second described cover drilling equipment is provided with major diameter blasting boreholes device 14 on a crane 13; The structure of major diameter blasting boreholes device 14 is on borer rail 27, be provided with rotary impact device and propulsive mechanism; Not only described rotary impact device is one and drives drilling rod to rotate but also realize the device of bore bit impact, be made up of circulator, hollow drill pipe 35, binding clasp 32 and air hammer 36; The structure of above-mentioned circulator is, comprise a gear reduction box 33 and rotation motor 34, driving gear and the rotation motor 34 of reduction box 33 realize transmission, and the driven gear of reduction box 33 is arranged in a hollow shaft 39, require that 39 internal diameters of hollow shaft and hollow drill pipe 35 external diameter match; Described hollow drill pipe 35 passes from hollow shaft 39, and hollow drill pipe 35 and hollow shaft 39 is clamped together by binding clasp 32, thus makes hollow shaft 39 drive hollow drill pipe 35 to rotate together; Described air hammer 36 is arranged on hollow drill pipe 35 front end, from the rotary connector of hollow drill pipe 35 rear end to air hammer 36 air feed, the front end of air hammer 36 is provided with the rotary impact type bore bit 30 that diameter is greater than more than 100mm, impacts acting with 18-20 frequency; The mounting structure of rotary impact device and borer rail 27 is, borer rail 27 is provided with a drill supporting plate 40, by the floor installation of reduction box 33 on drill supporting plate 40; Described propulsive mechanism is a sprocket wheel link chain mechanism; Sprocket wheel link chain mechanism is the gear reduction box 36 being provided with drill propulsion motor 36a drive in the front end of borer rail 27, the output shaft of gear reduction box 36 is provided with drive sprocket 43, hammer drill track rear end is provided with revolution sprocket wheel 29, chain two ends are fixed on drill supporting plate 40 respectively after revolution sprocket wheel 29 and drive sprocket 43 are wound around, when drill propulsion motor 36a operates, chain affects the rotary impact device on drill supporting plate 40 to move reciprocatingly on borer rail 27, completes and pushes ahead and exit action.
Described crane 13 is on vehicle frame, fix a four-column type balladeur train, in four-column type balladeur train, elevating mechanism is installed, borer rail 27 is fixed on elevating mechanism, borer rail 27 is moved up and down under elevating mechanism effect in four-column type balladeur train, thus the operation height of punchinging of adjustment major diameter blasting boreholes device.
Above-mentioned elevating mechanism is made up of the parallel four-bar linkage 37 be fixed on vehicle frame and lifting rail oil cylinder 26, between the lifting arm that lifting rail oil cylinder 26 is tilting is arranged on parallel four-bar linkage 37 and frame panel, the lifting arm of parallel four-bar linkage 37 when lifting rail oil cylinder 26 stretches, is made to decline or rise.
In order to adjust penetration rate according to different lithology, above-mentioned hammer drill propulsion motor 11 and drill propulsion motor 6a in-line are provided with throttle grverning valve.
For ensureing the rate of tension of sprocket wheel link chain mechanism, the propulsive mechanism of first and second above-mentioned cover drilling equipment is equipped with chain tensioning device, due to chain tensioning device, to belong to prior art not shown in FIG..
Described hydraulic system is made up of hydraulic power unit, hydraulic valve piece 25 and fluid pressure line 4; Fluid pressure line 4 connects all hydraulic motors of drill carriage, hydraulic jack and hydraulic drill rig by hydraulic valve piece 25, thus controls walking, the support of drill carriage, and controls location and the rock drilling action of first and second cover drilling equipment.
Above-mentioned hydraulic power unit comprises electric control box 18, flame-proof motor 16, two duplex gear pump 15, hydraulic oil cooler and fuel tanks 19; The electrical input access cable of electric control box 18, output connects flame-proof motor 16, and flame-proof motor 16 drives two duplex gear pump 15 to operate, thus produces high pressure liquid potential source, and hydraulic motor, hydraulic jack and the hydraulic drill rig all for drill carriage provide power; Hydraulic oil cooler adopts water-cooled and air-cooled two kinds of modes, has during water and adopts water-cooled, adopt electric fan 17 to realize air-cooled under anhydrous condition.
During the work of this drill carriage, first the electric control box 18 on power source access drill carriage, after closing a floodgate, motor 16 two ends drive two duplex gear pump 15, and duplex gear pump 15 is hydraulic energy electric energy conversion.During drill carriage walking, the head sprocket on crawler-type traveling chassis 1 is driven to rotate by hydraulic motor through reductor.During rock drilling, first make supporting leg 20 supporting & stablizing on vehicle frame both sides live car body, then handle first and second cover drilling equipment selecting hole position respectively, the rock drilling operation of the emptying aperture of General Explosive hole and more than diameter 100mm behind location, can be carried out simultaneously.
Claims (11)
1., for a tunneling boring rapid drilling drill carriage for the large emptying aperture parallel cut blasting in tunnel, it is characterized in that:
It is by walking mechanism, vehicle frame, hydraulic system, electrical system, and two cover drilling equipments formed; Wherein in two cover drilling equipments, first set drilling equipment is the device for boring common shot hole, and the second cover drilling equipment is the device of the easer for more than drill diameter 100mm;
Described walking mechanism is the crawler-type traveling chassis of a width 1.0-1.2 rice, and it overlaps completely independently track frame, running motor, reductor, drive sprocket, caterpillar chain, track tension device by left and right two and formed; Often overlap track frame to be fixed by a perpendicular flat key and vehicle frame, then tighten together with vehicle frame with high-strength bolt; Reductor high-strength bolt is connected with track frame; Running motor drives caterpillar chain to realize walking by reductor and drive sprocket; Track tension device is made up of tensioning wheels and tensioning hydro-cylinder, and tensioning hydro-cylinder promotes the tightness that regulating wheel regulates crawler belt;
Described vehicle frame comprises main car frame and trailer frame two parts of Plate Welding, and main car frame and trailer frame bolt are separately fixed on the front and back position on walking chassis; Arrange first and second cover drilling equipment respectively in the both sides, front of main car frame, main car frame rear is furnished with driver's cabin, and all hydraulic controlled operation handles are installed on the control panel in driver's cabin; Hydraulic system installed by trailer frame, provides power to whole bench drill car; Be provided with hydraulic leg in the corner of vehicle frame, by hydraulic leg, drill carriage be supported on roadway floor during boring;
Described first set drilling equipment, is made up of manipulator drill boom, hammer drill track, propulsive mechanism and rail-mounted rock dill; The structure of manipulator drill boom is, is fixed with drill boom seat in side, main car frame front, and drill boom seat is provided with can the principal arm sleeve pipe of oscilaltion, is hinged with drill boom lifting hydraulic cylinder between drill boom seat and principal arm sleeve pipe; Leading portion in principal arm sleeve pipe is nested with mechanical arm, and rear end is nested with telescopic oil cylinder, protracting and retrude of telescopic oil cylinder controller mechanical arm; The front end of mechanical arm is provided with drill boom facade rotary hydraulic motor, drill boom facade rotary hydraulic motor is provided with drill boom Plane Rotation hydraulic pressure horse and runing rest, hydraulic motor driven rotary chassis plane rotates, runing rest is hinged with compensation frame, be provided with drill boom oscillating motor between runing rest and compensation frame, drill boom oscillating motor is for compensating swinging up and down of frame; Compensate in frame and be provided with balladeur train compensating cylinder; Above-mentioned hammer drill track installation on compensation frame, and is connected with the external part of balladeur train compensating cylinder, and balladeur train compensating cylinder promotes hammer drill track and holds out against all the time on boring scar, prevents from moving during perforating; Above-mentioned rail-mounted rock dill is fixed on hammer drill supporting plate, and hammer drill supporting plate coordinates with hammer drill track; Described propulsive mechanism is a sprocket wheel link chain mechanism; Sprocket wheel link chain mechanism is the gear reduction box being provided with the drive of hammer drill propulsion motor in the rear end of hammer drill track, the output shaft of gear reduction box is provided with drive sprocket, hammer drill track rear end is provided with revolution sprocket wheel, chain two ends are fixed on hammer drill supporting plate respectively after revolution sprocket wheel and drive sprocket are wound around, during the running of hammer drill propulsion motor, chain affects the rotary impact device on hammer drill supporting plate to move reciprocatingly on guide rail, completes boring and moves back pricker action;
The second described cover drilling equipment is provided with major diameter blasting boreholes device on a crane; The structure of major diameter blasting boreholes device is on borer rail, be provided with rotary impact device and propulsive mechanism; Not only described rotary impact device is one and drives drilling rod to rotate but also realize the device of bore bit impact, be made up of circulator, hollow drill pipe, binding clasp and air hammer; The structure of above-mentioned circulator is, comprises a gear reduction box and rotation motor, and driving gear and the rotation motor of reduction box realize transmission, and the driven gear of reduction box is arranged in a hollow shaft, requires that the internal diameter of hollow shaft and hollow drill pipe external diameter match; Described hollow drill pipe passes from hollow shaft, and hollow drill pipe and hollow shaft is clamped together by binding clasp, thus makes hollow shaft drive drilling rod to rotate together; Described air hammer is arranged on hollow drill pipe front end, and from hollow drill pipe rear end to air hammer air feed, the front end of air hammer is provided with the rotary impact type bore bit that diameter is greater than more than 100mm; The mounting structure of rotary impact device and borer rail is, borer rail is provided with a drill supporting plate, by the floor installation of reduction box on drill supporting plate; Described propulsive mechanism is a sprocket wheel link chain mechanism; Sprocket wheel link chain mechanism is the gear reduction box being provided with the drive of hammer drill propulsion motor in the rear end of hammer drill track, the output shaft of gear reduction box is provided with drive sprocket, hammer drill track rear end is provided with revolution sprocket wheel, chain two ends are fixed on hammer drill supporting plate respectively after revolution sprocket wheel and drive sprocket are wound around, during the running of hammer drill propulsion motor, chain affects the rotary impact device on hammer drill supporting plate to move reciprocatingly on guide rail, completes boring and moves back pricker action;
Described hydraulic system is made up of hydraulic power unit, hydraulic valve piece and fluid pressure line; Fluid pressure line connects drill carriage all hydraulic motor, hydraulic jack and hydraulic drill rig by hydraulic valve piece, thus controls walking, the support of drill carriage, and controls location and the rock drilling action of first and second cover drilling equipment.
2., as claimed in claim 1 for the tunneling boring rapid drilling drill carriage of the large emptying aperture parallel cut blasting in tunnel, it is characterized in that, the preferred guide tracked hydraulic drill rig of rail-mounted rock dill of described first set drilling equipment.
3., as claimed in claim 1 for the tunneling boring rapid drilling drill carriage of the large emptying aperture parallel cut blasting in tunnel, it is characterized in that, the in-line of the drill boom lifting hydraulic cylinder of described first set drilling equipment is provided with one-way hydraulic lock.
4. as claimed in claim 1 for the tunneling boring rapid drilling drill carriage of the large emptying aperture parallel cut blasting in tunnel, it is characterized in that, the crane of the second cover drilling equipment is on vehicle frame, fix a four-column type balladeur train, four-column type balladeur train is made up of front stand and rear stand, in four-column type balladeur train, elevating mechanism is installed, borer rail is fixed on elevating mechanism, borer rail is moved up and down under elevating mechanism effect in four-column type balladeur train, thus the operation height of punchinging of adjustment major diameter blasting boreholes device.
5. as claimed in claim 4 for the tunneling boring rapid drilling drill carriage of the large emptying aperture parallel cut blasting in tunnel, it is characterized in that, above-mentioned elevating mechanism is made up of the parallel four-bar linkage be fixed on vehicle frame and lifting rail oil cylinder, lifting rail oil cylinder is tilting to be arranged between the lifting arm of parallel four-bar linkage and vehicle frame, makes the lifting arm of parallel four-bar linkage decline or rise when lifting rail oil cylinder stretches.
6., as claimed in claim 1 for the tunneling boring rapid drilling drill carriage of the large emptying aperture parallel cut blasting in tunnel, it is characterized in that, described hydraulic power unit comprises electric control box, flame-proof motor, two duplex gear pump, hydraulic oil cooler and fuel tanks; The electric output of electric control box connects flame-proof motor, and flame-proof motor drives two duplex gear pump runnings, thus produces high pressure liquid potential source, and hydraulic motor, hydraulic jack and the hydraulic drill rig all for drill carriage provide power; Hydraulic oil cooler adopts water-cooled and air-cooled two kinds of modes, has during water and adopts water-cooled, adopt electric fan to realize air-cooled under anhydrous condition.
7., as claimed in claim 1 for the tunneling boring rapid drilling drill carriage of the large emptying aperture parallel cut blasting in tunnel, it is characterized in that, the front end of the borer rail of first set drilling equipment is also provided with foresight puncheon centralizing device.
8. as claimed in claim 1 for the tunneling boring rapid drilling drill carriage of the large emptying aperture parallel cut blasting in tunnel, it is characterized in that, the preferred hydraulic motor of all motors of first and second above-mentioned cover drilling equipment.
9. as claimed in claim 7 for the tunneling boring rapid drilling drill carriage of the large emptying aperture parallel cut blasting in tunnel, it is characterized in that, the in-line of hammer drill hydraulic motor and drill hydraulic motor is separately installed with throttle grverning valve.
10. as claimed in claim 1 for the tunneling boring rapid drilling drill carriage of the large emptying aperture parallel cut blasting in tunnel, it is characterized in that, the propulsive mechanism of first and second above-mentioned cover drilling equipment is equipped with chain tensioning device.
11. 1 kinds of methods utilizing claim 1-9 arbitrary described drill carriage the large emptying aperture parallel cut blasting in tunnel to be carried out to tunneling boring rapid drilling, it is characterized in that, during work, first the electric control box on power source access drill carriage, after closing a floodgate, motor two ends drive two duplex gear pump, and duplex gear pump is hydraulic energy electric energy conversion.The head sprocket on crawler-type traveling chassis is driven to rotate by hydraulic motor through reductor during drill carriage walking; During rock drilling, make the supporting leg supporting & stablizing on vehicle frame both sides live car body, then handle first and second cover drilling equipment selecting hole position respectively, the rock drilling operation of the emptying aperture of General Explosive hole and more than diameter 100mm behind location, can be carried out simultaneously.
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| CN201410641605.9A CN104612586B (en) | 2014-11-13 | 2014-11-13 | Tunneling boring rapid drilling drill carriage for the big emptying aperture parallel cut blasting in tunnel |
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| CN105587265A (en) * | 2015-12-13 | 2016-05-18 | 张伟 | Drilling device for tunnel blasting |
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| CN109267931A (en) * | 2018-09-26 | 2019-01-25 | 中国铁建重工集团有限公司 | A kind of device for lithostratigraphy slotting |
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| CN112196512A (en) * | 2020-10-29 | 2021-01-08 | 山东科技大学 | Intelligent drilling pressure relief device for mine and use method thereof |
| CN112855205B (en) * | 2021-03-12 | 2023-01-31 | 江西省交通科学研究院有限公司 | Equipment and method suitable for rock breaking and excavation of rock tunnel |
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Inventor after: Bao Dali Inventor after: Zhao Jian Inventor after: Song Lixin Inventor before: Zhao Jinqiao Inventor before: Bao Wei Inventor before: Song Lixin Inventor before: Liu Yuantong Inventor before: Zhao Jian Inventor before: Sun Wenjin Inventor before: Li Enzhong Inventor before: Meng Jimei Inventor before: Wang Hongli |
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Effective date of registration: 20170122 Address after: 266590 Qingdao economic and Technological Development Zone, Shandong, former Bay Road, No. 579 Applicant after: Shandong Univ. of Science and Technology Applicant after: Qingdao Dabang Drilling Machine Co.,Ltd. Address before: 266590 Shandong city of Qingdao Province Economic and Technological Development Zone qianwangang road Shandong University of Science and Technology Science Park No. 579 building Qingdao dabond drilling limited liability company Applicant before: Qingdao Dabang Drilling Machine Co.,Ltd. |
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