CN108166924B - A kind of medium-thickness seam high punch automatic lifting drilling machine and its implementation - Google Patents

A kind of medium-thickness seam high punch automatic lifting drilling machine and its implementation Download PDF

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Publication number
CN108166924B
CN108166924B CN201711446513.5A CN201711446513A CN108166924B CN 108166924 B CN108166924 B CN 108166924B CN 201711446513 A CN201711446513 A CN 201711446513A CN 108166924 B CN108166924 B CN 108166924B
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hydraulic cylinder
way
hydraulic
unit
valve
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CN108166924A (en
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李东民
商孟全
张砚强
李佳
马国芳
吴振虎
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Shandong University of Science and Technology
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Shandong University of Science and Technology
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/02Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00Supports for the drilling machine, e.g. derricks or masts
    • E21B15/04Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
    • E21B15/045Hydraulic, pneumatic or electric circuits for their positioning
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00Rotary drilling
    • E21B3/02Surface drives for rotary drilling

Abstract

The invention discloses a kind of medium-thickness seam high punch automatic lifting drilling machines, including lifting unit, turning unit and perforation unit, the lifting unit includes preceding hydraulic cylinder and rear hydraulic cylinder, the cylinder body of preceding hydraulic cylinder and rear hydraulic cylinder is fixed on turning unit, and preceding hydraulic cylinder connects perforation unit with the piston rod of rear hydraulic cylinder.Have the advantage that solve the problems, such as that existing drilling machine can not effectively carry out medium-thickness seam high punch and punching angular adjustment is inflexible, can automatic lifting and punching pitch angle adjust, can level angle adjust, punching accuracy, high punch efficiency and safety are improved.

Description

A kind of medium-thickness seam high punch automatic lifting drilling machine and its implementation
Technical field
The present invention is a kind of medium-thickness seam high punch automatic lifting drilling machine and its implementation, coal mine boring mechanic equipment Field.
Background technique
Currently, the high punch construction of underground coal mine medium-thickness seam is generally filled using the auxiliary such as falsework and chain block Set promoted drilling machine punching height, but the method for supporting can not flexible modulation punching pitch angle, increase drilling machine construction state Unstability leads to that the accidents such as bit freezing easily occur in construction.
The chassis of existing coal mine caterpillar drilling machine, generally using mode is fixedly connected with, can only pass through adjusting two sides crawler belt with fuselage Walking mechanism differential adjusts the horizontal azimuth of punching, and operation is extremely inconvenient, and positioning accuracy is poor, and Technological adaptability is poor, and Cause construction efficiency low.
The patent of existing application number 200920103136.X discloses a kind of lift type coal mine gallery gas drill, the machine by Host, crawler belt car body, lifting platform, pumping station system and the most of composition of console five, car body platform are fixed in the cross of crawler body Liang Shang, lifting platform is by upper mounting plate, lower platform and is connected between two platforms and hydraulic hydraulic cylinder is arranged and link mechanism forms, lifting The lower platform of platform is mounted on crawler belt car body.The technology of the patent is primarily present following deficiency: (1) elevating mechanism of drilling machine is simultaneously Using the mechanism form of double hydraulic cylinder and double leval jib, redundancy is generated both on elevating function;(2) host machine part uses hydraulic cylinder Support, and the unbearable strenuous vibration punched when constructing of hydraulic cylinder, easily cause hydraulic cylinder to damage;(3) due to crawler belt car body It is upper that there is no swing mechanisms, therefore, the drilling machine can not flexible modulation punching horizontal azimuth.
Summary of the invention
The problem to be solved in the present invention is against the above deficiency, to provide a kind of medium-thickness seam high punch automatic lifting drilling machine And its implementation, solve existing drilling machine can not effectively carry out medium-thickness seam high punch and punching angular adjustment it is inflexible Problem, can automatic lifting and punching pitch angle adjust, can level angle adjust, punching accuracy, high punch efficiency and safety Property is improved.
To solve the above-mentioned problems, the invention adopts the following technical scheme:
A kind of medium-thickness seam high punch automatic lifting drilling machine, including lifting unit, turning unit and perforation unit, it is described Lifting unit includes preceding hydraulic cylinder and rear hydraulic cylinder, and the cylinder body of preceding hydraulic cylinder and rear hydraulic cylinder is fixed on turning unit, preceding liquid Cylinder pressure connects perforation unit with the piston rod of rear hydraulic cylinder.
Further, the preceding hydraulic cylinder and rear hydraulic cylinder are all two-stage telescoping hydraulic cylinder, the piston rod of preceding hydraulic cylinder It can be respectively controlled with the stroke of the piston rod of rear hydraulic cylinder, the punching pitch angle of perforation unit is adjusted with this.
Further, the lifting unit further includes support locating rod, and support locating rod and perforation unit, turning unit connect It connects, support locating rod supports to back upwards, supports to tunnel ground downwards.
Further, the turning unit includes turning unit platform, turning unit hydraulic cylinder, bearing and flaring disk, is returned The piston rod for turning unit hydraulic cylinder is connected with flaring disk, and the end cap of turning unit hydraulic cylinder is connect with bearing, the bearing block of bearing It is fixed on the lower surface of turning unit platform.
Further, the perforation unit includes guide rail, and the bottom of the first half of guide rail is equipped with sliding slot, the work of preceding hydraulic cylinder Stopper rod is slidably connected with sliding slot, and the piston rod of rear hydraulic cylinder is connected with guide rail.
Further, the perforation unit includes hydraulic rotary motor, retarder, to inlet hydraulic cylinder, chuck, hydraulic gyration Motor, retarder and chuck form drill power head, are connected to the piston rod of inlet hydraulic cylinder with power head, install to inlet hydraulic cylinder On guide rail, power head can move on guide rail.
Further, the output shaft of the hydraulic rotary motor is connected with retarder, and chuck clamping has drilling rod, and retarder is defeated Power is equipped with clamper to chuck, the front end of chuck out, and drilling rod carries out punching construction by clamper.
Further, the drilling machine further includes power unit, and power unit includes power control system, power control system Including hydraulic control circuit, hydraulic control circuit includes fuel tank, and fuel tank is connected with variable pump, is equipped with and cuts between fuel tank and variable pump Only valve, variable pump are connected with oil pump motor and filter, and check valve is equipped between variable pump and filter, and variable pump is by high pressure Oil output is into hydraulic circuit.
Further, the fuel tank is also connected with pressure gauge, thermometer and multiple directional control valve, pressure gauge, thermometer, multichannel Be equipped with overflow valve between reversal valve and fuel tank, be arranged in parallel between multiple directional control valve, multiple directional control valve be connected with preceding hydraulic cylinder, after Hydraulic cylinder, turning unit hydraulic cylinder give inlet hydraulic cylinder, clamper hydraulic cylinder, chuck hydraulic cylinder, hydraulic rotary motor, walking single The left rotary motor of member, walking unit right-hand rotation motor.
Further, a kind of implementation method of medium-thickness seam high punch automatic lifting drilling machine, the realization side of the drilling machine Method the following steps are included:
Step 1 after the executing agency of drilling machine is connect with power unit by fluid pressure line, starts drilling machine, and power unit is opened Begin to run, perforated area is reached by walking unit driving complete machine, the executing agency of drilling machine includes preceding hydraulic cylinder, rear hydraulic cylinder, returns Turn unit hydraulic cylinder, to inlet hydraulic cylinder, clamper hydraulic cylinder, chuck hydraulic cylinder, hydraulic rotary motor, the left revolution horse of walking unit It reaches, walking unit right-hand rotation motor;
Step 2, power unit drive turning unit hydraulic cylinder piston rod to stretch out, complete machine are jacked up to and is detached from ground, manually Main body turning is to adjust punching horizontal azimuth;
Step 3, power unit drive the preceding hydraulic cylinder and rear hydraulic cylinder of lifting unit, perforation unit are adjusted to suitable Highly, and pitch angle is punched in the flexible stroke of the piston rod by controlling preceding hydraulic cylinder and rear hydraulic cylinder, adjusting;
The chuck of step 4, power unit driving perforation unit clamps drilling rod by clamper, and power unit drives liquid It presses rotary motor to drive drilling rod rotation, while driving and carrying out punching construction to inlet hydraulic cylinder;After the completion of punching, driving feed is hydraulic Cylinder piston rod retracts, and completes the punching construction of the punch position;
Step 5, power unit drive the preceding hydraulic cylinder of lifting unit and rear hydraulic cylinder piston rod to retract in place, drive back Turn unit hydraulic cylinder piston rod to retract in place, drilling machine crawler belt lands again, drives drilling machine to go to next beat by walking unit Hole site.
The invention adopts the above technical scheme, compared with prior art, has the following technical effect that
1, there is automatic lifting and punching pitch angle regulatory function: being beaten by the forward and backward two hydraulic cylinders control of lifting unit Hole unit automatic lifting solves the problems, such as that existing drilling machine is unable to adjust automatically punching height in medium-thickness seam high punch, mentions High punching working security;Meanwhile by controlling the forward and backward two hydraulic cylinder pistons throw of lever respectively, punching can be automatically adjusted and bowed The elevation angle effectively increases punching accuracy and perforating efficiency.
2, there is level angle regulatory function: complete machine being adjusted by turning unit and punches horizontal azimuth, it can be achieved that original place Revolution, reduces the complete machine radius of gyration.
3, high punch efficiency and safety are improved: by control walking unit hydraulic motor can make drilling machine quickly into Enter perforated area, the adjustable punching horizontal azimuth of control turning unit hydraulic cylinder, control lifting unit hydraulic cylinder can rise automatically It rises perforation unit and automatically adjusts punching pitch angle, saved the punching construction time, improve perforating efficiency and punching construction peace Quan Xing.
The present invention is described in detail with reference to the accompanying drawings and examples.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of automatic lifting drilling machine in the embodiment of the present invention 1;
Attached drawing 2 is the structural schematic diagram of lifting unit in the embodiment of the present invention 1;
Attached drawing 3 is hydraulic circuit schematic diagram in the embodiment of the present invention 1;
Attached drawing 4 is bindiny mechanism's schematic diagram of turning unit hydraulic cylinder in the embodiment of the present invention 1;
In figure, 1- drilling rod, 2- clamper, 3- support locating rod, 4- chuck, 5- hydraulic rotary motor, 6- guide rail, 7- feed Hydraulic cylinder, 8- power control system, 9- crawler belt, 10- are flared disk, hydraulic cylinder before 11-, 12- turning unit platform, 13- console, Hydraulic cylinder after 14-, 15- turning unit hydraulic cylinder, 16- bearing, 17- towing mechanism, 18- sliding slot, 19- connecting shaft, 20- nut, 21- fuel tank, 22- shut-off valve, 23- variable pump, 24- oil pump motor, 25- check valve, 26- filter, 27- pressure gauge, 28- temperature Degree meter, 29- overflow valve, 210- multiple directional control valve, 211- one-way throttle valve, 212- hydraulic two-way lock, 217- chuck hydraulic cylinder, 218- clamper hydraulic cylinder, the left rotary motor of 220- walking unit, 221- walking unit right-hand rotation motor.
Specific embodiment
Embodiment 1, as shown in Figures 1 to 4, a kind of medium-thickness seam high punch automatic lifting drilling machine, including lifting unit, Power unit, turning unit, walking unit and perforation unit, lifting unit connect turning unit and perforation unit, power unit Connect lifting unit, turning unit, walking unit and perforation unit.
The lifting unit includes preceding hydraulic cylinder 11 and rear hydraulic cylinder 14, and preceding hydraulic cylinder 11 and rear hydraulic cylinder 14 are all two-stage The cylinder body of telescoping hydraulic cylinder, preceding hydraulic cylinder 11 and rear hydraulic cylinder 14 passes through the front end that movable pin hole is fixed on turning unit respectively And rear end, the piston rod of preceding hydraulic cylinder 11 and the piston rod of rear hydraulic cylinder 14, the preceding hydraulic cylinder 11 of original state and rear hydraulic cylinder 14 Parallel arrangement, for driving perforation unit elevating movement, by the piston rod and rear hydraulic cylinder 14 that control preceding hydraulic cylinder 11 respectively Piston rod stroke to adjust punching pitch angle.
The lifting unit further includes support locating rod 3, and support locating rod 3 is four, and support locating rod 3 and punching are single Member, turning unit connection, support locating rod 3 supports to back upwards, supports to tunnel ground downwards, so that complete machine is firm Support.
The turning unit includes turning unit platform 12, and the quadrangle of turning unit platform 12 is arranged in support locating rod 3 On.
The turning unit further includes turning unit hydraulic cylinder 15, bearing 16 and flaring disk 10, turning unit hydraulic cylinder 15 Piston rod be connected with flaring disk 10, the end cap of turning unit hydraulic cylinder 15 passes through connecting shaft 19 and connect with bearing 16, bearing 16 Bearing block be fixed on the lower surface of turning unit platform 12, after the piston rod stretching of turning unit hydraulic cylinder 15 lands, hand Dynamic main body turning, fuselage carry out horizontal rotation, and due to the mating effect of bearing 16 and bearing block, turning unit hydraulic cylinder 15 is not It rotates with, realizes the air exercise azimuthal adjusting of hole horizontal.
The section shape of the connecting shaft 19 is step, and connecting shaft 19 includes top half and lower half portion, connecting shaft The diameter of 19 lower half portion is greater than the diameter of 19 top half of connecting shaft, the end of 19 lower half portion of connecting shaft and turning unit liquid The end cap of cylinder pressure 15 is fixedly connected, and 19 top half of connecting shaft is provided with external screw thread, and it is single that 19 top half of connecting shaft passes through revolution It is stretched out after the mider hole of first platform 12, the end of 19 top half of connecting shaft is connected with nut 20.
The turning unit hydraulic cylinder 15 is single pole double-acting type hydraulic cylinder, and flaring disk 10 is flaring tray type structure, to increase Big contact area of ground.When work, the piston rod of the HYDRAULIC CONTROL SYSTEM turning unit hydraulic cylinder 15 of power unit drives flaring Disk 10 stretches out, and is detached from ground until jacking complete machine completely, can be manually rotated fuselage, and turning unit hydraulic cylinder 15 is carried out together with fuselage Horizontal rotation realizes the air exercise azimuthal adjusting of hole horizontal.
The perforation unit includes guide rail 6, and the bottom of the first half of guide rail 6 is equipped with sliding slot 18, the piston of preceding hydraulic cylinder 11 Bar is slidably connected with sliding slot 18, and the piston rod of rear hydraulic cylinder 14 passes through movable pin hole and is connected with guide rail 6.
The perforation unit further include drilling rod 1, hydraulic rotary motor 5, retarder, to inlet hydraulic cylinder 7, chuck 4, clamper 2, hydraulic rotary motor 5, retarder and chuck 4 form drill power head, and hydraulic rotary motor 5 is driven by power unit 8, hydraulic The output shaft of rotary motor 5 is connected with retarder, and the clamping of chuck 4 has drilling rod 1, and chuck 4 is unclamped normal using hydraulic clamp, spring Open architecture, retarder output power drive chuck 4 that drilling rod 1 is driven to be turned round to chuck 4.
The clamper 2 is located at perforation unit front, and drilling rod 1 carries out drilling construction by clamper 2, and clamper 2 uses Clamper 2 unclamps when the closed type structure that butterfly spring clamps, oil pressure unclamps, i.e. punching construction, so that drilling rod 1 is from clamper 2 It passes through, and clamper 2 clamps when dismounting drilling rod 1.
It is described to be mounted in the chan frame among guide rail 6 to inlet hydraulic cylinder 7, brill is fixed on to the end cap of inlet hydraulic cylinder 7 Machine front end is connected by linkage with power head to the piston rod of inlet hydraulic cylinder 7, and power head can move on guide rail 6, pass through To inlet hydraulic cylinder 7 piston rod it is flexible, driving power head drives the feed of drilling rod 1 and rises and pulls out.
The drilling machine further includes walking unit, and walking unit uses crawler type walking mechanism, walking unit include crawler belt 9, The left rotary motor 220 of walking unit, walking unit right-hand rotation motor 221, left driving wheel, right driving wheel, crawler belt 9 are single by walking The left rotary motor 220 of member, walking unit right-hand rotation motor 221 respectively drive left driving wheel, right driving wheel drives operation, pass through liquid The rotation of pressure motor drives crawler belt and complete machine is driven to walk.
The power unit includes power control system 8, and power control system 8 uses hydraulic power system, passes through control The output pressure and flow of system realize the adjusting to each hydraulic actuating mechanism kinetic parameter of drilling machine, each hydraulic execution machine of drilling machine Structure, that is, perforation unit hydraulic rotary motor 5, give inlet hydraulic cylinder 7, chuck 4, clamper 2, the preceding hydraulic cylinder 11 of lifting unit, after Hydraulic cylinder 14, the turning unit hydraulic cylinder 15 of turning unit, the left and right hydraulic rotary motor of walking unit.
The power unit further includes towing mechanism 17, and towing mechanism 17 pulls power control system 8 in drilling machine machinery Body tail section, the bottom of power control system 8 is equipped with wheel type traveling mechanism, when complete machine is mobile, drilling machine basic machine traction power Control system 8 moves together.
The power control system 8 includes hydraulic control circuit, and hydraulic control circuit includes fuel tank 21, and fuel tank 21 is connected with Variable pump 23, is equipped with shut-off valve 22 between fuel tank 21 and variable pump 23, variable pump 23 is connected with oil pump motor 24 and filter 26, check valve 25 is equipped between variable pump 23 and filter 26, variable pump 23 exports high pressure oil into hydraulic circuit.
The fuel tank 21 is also connected with pressure gauge 27, thermometer 28 and multiple directional control valve 210, pressure gauge 27, thermometer 28, It is equipped with overflow valve 29 between multiple directional control valve 210 and fuel tank 21, is arranged in parallel between multiple directional control valve 210.
The one way reversing valve 210-1 is connected with one-way throttle valve 211-1 all the way, one-way throttle valve 211-1 connection all the way There is hydraulic two-way lock 212-1 all the way, all the way hydraulic cylinder 11 and a way reversing valve 210-1 before hydraulic two-way lock 212-1 connection;Two tunnels Reversal valve 210-2 is connected with No. two one-way throttle valve 211-2, and No. two one-way throttle valve 211-2 are connected with two road hydraulic two-way locks 212-2, hydraulic cylinder 14 and two way reversing valve 210-2 after two road hydraulic two-way lock 212-2 connections;Three way reversing valve 210-3 connections There are No. three one-way throttle valve 211-3, No. three one-way throttle valve 211-3 to be connected with three road hydraulic two-way lock 212-3, three tunnel Hydraulic Doubles To lock 212-3 connection turning unit hydraulic cylinder 15 and three way reversing valve 210-3;Four way reversing valve 210-4 are connected with four Lu Danxiang Throttle valve 211-4, No. four one-way throttle valve 211-4 are connected with four road hydraulic two-way lock 212-4, four road hydraulic two-way lock 212-4 It connects to inlet hydraulic cylinder 7 and four way reversing valve 210-4;Five way reversing valve 210-5 are connected with clamper hydraulic cylinder 218;Six tunnels are changed Chuck hydraulic cylinder 217 is connected with to valve 210-6;Seven way reversing valve 210-7 are connected with No. seven one-way throttle valve 211-5, and seven tunnels are single The hydraulic rotary motor 5 of perforation unit is connected with to throttle valve 211-5, perforation unit rotary motor 5 connects seven way reversing valves 210-7;Eight way reversing valve 210-8 are connected with the left rotary motor 220 of walking unit;It is single that nine way reversing valve 210-9 are connected with walking First right-hand rotation motor 221.
Wherein, it is described to inlet hydraulic cylinder 7 for control power head feed with rise pull out, i.e., for drilling construction drilling operation Drilling rod 1 is pulled out with rising.
The clamper hydraulic cylinder 218 connects clamper 2, and clamper hydraulic cylinder 218 is beaten for controlling the movement of clamper 2 When hole is constructed, clamper hydraulic cylinder 218 unclamps drilling rod 1 by driving clamper 2, to realize clamper 2 to the branch of drilling rod 1 Support, drilling rod 1 are passed through from clamper 2;In addition, clamper hydraulic cylinder 218 clamps drilling rod by driving clamper 2 when dismounting drilling rod 1 1。
217 connecting chuck 4 of chuck hydraulic cylinder, the function of chuck hydraulic cylinder 217 is control chuck 7, when punching is constructed, Chuck hydraulic cylinder 217 drives chuck 4 to clamp drilling rod 1, the rotary drilling under the driving of hydraulic rotary motor 5;When dismounting drilling rod 1, Chuck hydraulic cylinder 218 drives chuck 4 to unclamp drilling rod 1, and clamper hydraulic cylinder 218 clamps drilling rod by driving clamper 2, in conjunction with The rotary motion of hydraulic rotary motor 5,2 synergy of chuck 4, hydraulic rotary motor 5 and clamper realize that drilling rod 1 is dismantled.
The hydraulic rotary motor 5 improves 1 rotary torque of drilling rod for driving drilling rod 1 to turn round.
The effect of the walking unit left rotary motor 220, walking unit right-hand rotation motor 221 be respectively used to control it is left, Right-hand track chiain walking drives complete machine walking, and wide-angle steering may be implemented.
The left rotary motor 220 of the walking unit, walking unit right-hand rotation motor 221 are fixed under turning unit platform Side, the output shaft of motor 220,221 are connected with left and right driving wheel respectively.
A kind of implementation method of the medium-thickness seam high punch automatic lifting drilling machine the following steps are included:
Step 1 after the executing agency of drilling machine is connect with power unit by fluid pressure line, starts drilling machine, and power unit is opened Begin to run, perforated area is reached by walking unit driving complete machine;
Step 2, power unit drive 15 piston rod of turning unit hydraulic cylinder to stretch out, complete machine are jacked up to and is detached from ground, hand Main body turning is moved to adjust punching horizontal azimuth.
The specific rate-determining steps of the hydraulic control circuit of step 2 are as follows:
After starting oil pump, oil pressure is established in hydraulic circuit, three way reversing valve 210-3 work in upper, hydraulic oil process Three way reversing valve 210-3 enter No. three one-way throttle valve 211-3, then enter three road liquid by No. three one-way throttle valve 211-3 Press reversible lock 212-3;
The tri- road hydraulic two-way lock 212-3 of rod chamber circuit Zhong for opening turning unit hydraulic cylinder 15, so that three roads are hydraulic Reversible lock 212-3 two-way circulates, meanwhile, hydraulic oil enters the rodless cavity of turning unit hydraulic cylinder 15, and hydraulic oil pushes revolution single The piston rod of first hydraulic cylinder 15 stretches out;
After three road hydraulic two-way lock 212-3 two-way circulate, the hydraulic oil of the rod chamber of turning unit hydraulic cylinder 15 is successively passed through Cross three road hydraulic two-way lock 212-3, three way reversing valve 210-3 return to fuel tank, the piston rod of turning unit hydraulic cylinder 15 supports Ground, and then can realize that drilling machine level angle is adjusted.
In 15 control loop of turning unit hydraulic cylinder, No. three one-way throttle valve 211-3 are for adjusting turning unit hydraulic cylinder The stretching speed of 15 piston rods, and three road hydraulic two-way lock 212-3 are for realizing turning unit hydraulic cylinder 15 when position in reversal valve The reliable locking of piston rod position.
When three way reversing valve 210-3 work in bottom, the course of work is similar to the above.Turning unit hydraulic cylinder 15 Hydraulic circuit uses in-line throttle grverning mode and controls 15 piston rod stretching speed of hydraulic cylinder.
Step 3, power unit drive lifting unit preceding hydraulic cylinder 11 and rear hydraulic cylinder 14, by perforation unit adjust to Proper height, and the flexible stroke of the piston rod by controlling preceding hydraulic cylinder 11 and rear hydraulic cylinder 14, adjust punching pitch angle.
The specific rate-determining steps of the hydraulic control circuit of step 3 are as follows:
After starting oil pump, oil pressure is established in hydraulic circuit, when a way reversing valve 210-1 works in bottom, hydraulic oil Enter hydraulic two-way lock 212-1 all the way by a way reversing valve 210-1;
Hydraulic two-way lock 212-1 all the way before opening in the rod chamber circuit of hydraulic cylinder 11, so that hydraulic two-way lock all the way 212-1 two-way circulates;
After hydraulic two-way lock 212-1 two-way circulates all the way, the hydraulic oil of the rod chamber of preceding hydraulic cylinder 11 successively passes through all the way Hydraulic two-way lock 212-1, one-way throttle valve 211-1, multiple directional control valve 210-1 return to fuel tank;
It opens hydraulic two-way lock 212-1 all the way while hydraulic oil enters the rodless cavity of preceding hydraulic cylinder 11, before hydraulic oil pushes The piston rod of hydraulic cylinder 11 stretches out, and adjusts the height of punching, and then realizes that drilling machine punches height adjustment.
In the control loop of preceding hydraulic cylinder 11,11 piston rod of hydraulic cylinder before one-way throttle valve 211-1 is used to adjust all the way Stretching speed, and all the way hydraulic two-way lock 212-1 for realizing in reversal valve when position before 11 piston rod position of hydraulic cylinder it is reliable Locking.
When a way reversing valve 210-1 works in upper, the course of work is similar to the above.At this point, preceding hydraulic cylinder 11 Hydraulic circuit uses in-line throttle grverning mode and controls preceding 11 piston rod stretching speed of hydraulic cylinder.
After starting oil pump, oil pressure is established in hydraulic circuit, when two way reversing valve 210-2 work in bottom, hydraulic oil Enter two road hydraulic two-way lock 212-2 by two way reversing valve 210-2;
The bis- road hydraulic two-way lock 212-2 of rod chamber circuit Zhong of hydraulic cylinder 14 after opening, so that two road hydraulic two-way locks 212-2 two-way circulates;
Open two road hydraulic two-way lock 212-2 simultaneously, the hydraulic oil of the rod chamber of rear hydraulic cylinder 14 successively passes through two road liquid Pressure reversible lock 212-2, No. two one-way throttle valve 211-2, two way reversing valve 210-2 return to fuel tank;
It opens two road hydraulic two-way lock 212-2 while hydraulic oil enters the rodless cavity of rear hydraulic cylinder 14, after hydraulic oil pushes The piston rod of hydraulic cylinder 14 stretches out, and adjusts the height of punching, and then realizes that drilling machine punches height adjustment;
Afterwards in the control loop of hydraulic cylinder 14,14 piston rod of hydraulic cylinder is flexible after one-way throttle valve 211-2 is used to adjust Speed, and two road hydraulic two-way lock 212-2 for realizing in reversal valve when position after 14 piston rod position of hydraulic cylinder reliable locking.
When two way reversing valve 210-2 work in upper, the course of work is similar to the above.At this point, rear hydraulic cylinder 14 Hydraulic circuit uses in-line throttle grverning mode and controls rear 14 piston rod stretching speed of hydraulic cylinder.
The piston rod of preceding hydraulic cylinder 11 and rear hydraulic cylinder 14 is flexible, and stroke passes through a way reversing valve 210-1 respectively, two tunnels are changed It is controlled to valve 210-2.
Step 4, the chuck 4 of power unit driving perforation unit clamp drilling rod 1, power unit driving by clamper 2 Rotary motor 5 drives drilling rod 1 to rotate, while driving and carrying out punching construction to inlet hydraulic cylinder 7;After the completion of punching, drive to feed liquor 7 piston rod of cylinder pressure retracts, and completes the punching construction of the punch position.
The specific rate-determining steps of the hydraulic control circuit of step 4 are as follows:
The control process of chuck hydraulic cylinder 217: after starting oil pump, oil pressure is established in hydraulic circuit, when five way reversing valves When 210-5 works in upper, hydraulic oil enters the rodless cavity of chuck hydraulic cylinder 217 by five way reversing valve 210-5, and hydraulic oil pushes away Piston bar stretches out, so that chuck 4 clamps drilling rod 1, and the rotary drilling under the driving of hydraulic rotary motor 5;Dismounting drilling rod 1 When, chuck hydraulic cylinder 218 drives chuck 4 to unclamp drilling rod 1, and clamper hydraulic cylinder 218 clamps drilling rod by driving clamper 2, then In conjunction with the rotary motion of hydraulic rotary motor 5,2 synergy of chuck 4, hydraulic rotary motor 5 and clamper realizes that drilling rod 1 is torn open It unloads.
When five way reversing valve 210-5 work in bottom, chuck hydraulic cylinder 217 is automatically reset by spring effect.
The control process of clamper hydraulic cylinder 218: after starting oil pump, oil pressure is established in hydraulic circuit, as six Lu Huanxiang When valve 210-6 works in upper, hydraulic oil enters the rod chamber of clamper hydraulic cylinder 218 by six way reversing valve 210-6, hydraulic Oil pushes piston rod to retract, and clamper 2 unclamps, and drilling rod 1 carries out punching construction by clamper 2;When dismounting drilling rod 1, chuck liquid Cylinder pressure 218 drives chuck 4 to unclamp drilling rod 1, and clamper hydraulic cylinder 218 clamps drilling rod by driving clamper 2, in conjunction with hydraulic time Turn the rotary motion of motor 5,2 synergy of chuck 4, hydraulic rotary motor 5 and clamper realizes that drilling rod 1 is dismantled.
When six way reversing valve 210-6 work in bottom, clamper hydraulic cylinder 218 is automatically reset by spring effect.
The control process of hydraulic rotary motor 5: after starting oil pump, oil pressure is established in hydraulic circuit, when seven way reversing valves When 210-7 works in bottom, hydraulic oil enters No. seven one-way throttle valve 211-5 by seven way reversing valve 210-7;Hydraulic oil enters The import of the hydraulic rotary motor 5 of perforation unit, hydraulic oil return to oil by the outlet of the hydraulic rotary motor 5 of perforation unit Case;The hydraulic rotary motor 5 of perforation unit rotates, and drilling rod 1 is driven to be fed.
In 5 control loop of hydraulic rotary motor, No. seven one-way throttle valve 211-5 are used to adjust the hydraulic gyration of perforation unit The rotational speed of motor 5.
When seven way reversing valve 210-7 work in upper, the course of work is similar to the above.
To the control process of inlet hydraulic cylinder 7: after starting oil pump, oil pressure is established in hydraulic circuit, when four way reversing valves When 210-4 works in upper, hydraulic oil enters No. four one-way throttle valve 211-4 by four way reversing valve 210-4, then passes through four Road one-way throttle valve 211-4 enters four road hydraulic two-way lock 212-4, at this point, opening in the rod chamber circuit of inlet hydraulic cylinder 7 Four road hydraulic two-way lock 212-4, so that four road hydraulic two-way lock 212-4 two-way circulate;Meanwhile hydraulic oil enters to inlet hydraulic cylinder 7 rodless cavity, hydraulic oil are pushed to the piston rod stretching of inlet hydraulic cylinder 7;It is successively passed through to the hydraulic oil of the rod chamber of inlet hydraulic cylinder 7 Cross four road hydraulic two-way lock 212-4, four way reversing valve 210-4 return to fuel tank so that drilling rod 1 drilling in place.
To in the control loop of inlet hydraulic cylinder 7, No. four one-way throttle valve 211-4 give inlet hydraulic cylinder 7 piston rod for adjusting Stretching speed, and four road hydraulic two-way lock 212-4 for realizing in reversal valve when position to 7 piston rod position of inlet hydraulic cylinder can By locking.
When four way reversing valve 210-4 work in bottom, the course of work is similar to the above.To the hydraulic of inlet hydraulic cylinder 7 Circuit uses in-line throttle grverning mode and controls 7 piston rod stretching speed of oil cylinder.
Step 5, power unit drive the preceding hydraulic cylinder 11 of lifting unit and 14 piston rod of rear hydraulic cylinder to retract in place, drive Dynamic 15 piston rod of turning unit hydraulic cylinder retracts in place, and drilling machine crawler belt 9 lands again, drives drilling machine to go to down by walking unit One punch position.
After starting oil pump, oil pressure is established in hydraulic circuit, as a way reversing valve 210-1, four way reversing valve 210-4, five When way reversing valve 210-5 works in upper, upper, the next respectively, multiple directional control valve 210 controls the piston rod contracting of corresponding hydraulic cylinder It returns.
The above is the citing of best mode for carrying out the invention, wherein the part that do not address in detail is that this field is common The common knowledge of technical staff.Protection scope of the present invention is based on the contents of the claims, any based on technology of the invention The equivalent transformation of enlightenment and progress, also within protection scope of the present invention.

Claims (3)

1. a kind of medium-thickness seam high punch automatic lifting drilling machine, including lifting unit, turning unit and perforation unit, feature Be: the lifting unit includes preceding hydraulic cylinder (11) and rear hydraulic cylinder (14), preceding hydraulic cylinder (11) and rear hydraulic cylinder (14) Cylinder body is fixed on turning unit, and preceding hydraulic cylinder (11) connects perforation unit with the piston rod of rear hydraulic cylinder (14);
The preceding hydraulic cylinder (11) and rear hydraulic cylinder (14) are all two-stage telescoping hydraulic cylinder, the piston rod of preceding hydraulic cylinder (11) and The stroke of the piston rod of hydraulic cylinder (14) can be respectively controlled afterwards, and the punching pitch angle of perforation unit is adjusted with this;
The perforation unit includes guide rail (6), and the bottom of the first half of guide rail (6) is equipped with sliding slot (18), preceding hydraulic cylinder (11) Piston rod is slidably connected with sliding slot (18), and the piston rod of rear hydraulic cylinder (14) is connected with guide rail (6);
The perforation unit includes hydraulic rotary motor (5), retarder, to inlet hydraulic cylinder (7), chuck (4), hydraulic rotary motor (5), retarder and chuck (4) form drill power head, are connected to the piston rod of inlet hydraulic cylinder (7) with power head, are fed hydraulic Cylinder (7) is mounted on guide rail (6), and power head can move on guide rail (6);
The output shaft of the hydraulic rotary motor (5) is connected with retarder, and chuck (4) clamping has drilling rod (1), and retarder output is dynamic Power is given chuck (4), and the front end of chuck (4) is equipped with clamper (2), and drilling rod (1) carries out drilling construction by clamper (2);
The turning unit includes turning unit platform (12), turning unit hydraulic cylinder (15), bearing (16) and is flared disk (10), The piston rod of turning unit hydraulic cylinder (15) is connected with flaring disk (10), the end cap of turning unit hydraulic cylinder (15) and bearing (16) Connection, the bearing block of bearing (16) are fixed on the lower surface of turning unit platform (12);
The drilling machine further includes power unit, and power unit includes power control system (8), and power control system (8) includes liquid Control loop is pressed, hydraulic control circuit includes fuel tank (21), and fuel tank (21) is connected with variable pump (23), fuel tank (21) and variable pump (23) shut-off valve (22) are equipped between, variable pump (23) is connected with oil pump motor (24) and filter (26), variable pump (23) Check valve (25) are equipped between filter (26), variable pump (23) exports high pressure oil into hydraulic circuit;
The fuel tank (21) is also connected with pressure gauge (27), thermometer (28) and multiple directional control valve (210), pressure gauge (27), temperature Overflow valve (29) are equipped between degree meter (28), multiple directional control valve (210) and fuel tank (21), it is in parallel between multiple directional control valve (210) Setting, multiple directional control valve (210) be connected with preceding hydraulic cylinder (11), rear hydraulic cylinder (14), turning unit hydraulic cylinder (15), to feed liquor Cylinder pressure (7), clamper hydraulic cylinder (218), chuck hydraulic cylinder (217), hydraulic rotary motor (5), the left rotary motor of walking unit (220), walking unit right-hand rotation motor (221);
The multiple directional control valve (210) includes a way reversing valve (210-1), and a way reversing valve (210-1) is connected with unidirectional all the way Throttle valve (211-1), one-way throttle valve (211-1) is connected with hydraulic two-way lock (212-1) all the way all the way, all the way hydraulic two-way lock Hydraulic cylinder (11) and a way reversing valve (210-1) before (212-1) is connected;Multiple directional control valve (210) further includes two way reversing valves (210-2), two way reversing valves (210-2) are connected with No. two one-way throttle valves (211-2), and No. two one-way throttle valves (211-2) are even It is connected to two road hydraulic two-way locks (212-2), hydraulic cylinder (14) and two way reversing valves after the connection of two road hydraulic two-way locks (212-2) (210-2);Multiple directional control valve (210) further includes three way reversing valves (210-3), and three way reversing valves (210-3) are connected with three Lu Dan To throttle valve (211-3), No. three one-way throttle valves (211-3) are connected with three road hydraulic two-way locks (212-3), three road hydraulic bidirectionals Lock (212-3) connection turning unit hydraulic cylinder (15) and three way reversing valves (210-3);Multiple directional control valve (210) further includes four tunnels Reversal valve (210-4), four way reversing valves (210-4) are connected with No. four one-way throttle valves (211-4), No. four one-way throttle valves (211-4) is connected with four road hydraulic two-way locks (212-4), and four road hydraulic two-way locks (212-4) are connected to inlet hydraulic cylinder (7) and four Way reversing valve (210-4);Multiple directional control valve (210) further includes five way reversing valves (210-5), five way reversing valves (210-5) connection There are clamper hydraulic cylinder (218);Multiple directional control valve (210) further includes six way reversing valves (210-6), six way reversing valves (210-6) It is connected with chuck hydraulic cylinder (217);Multiple directional control valve (210) further includes seven way reversing valves (210-7), seven way reversing valve (210- 7) No. seven one-way throttle valves (211-5) are connected with, No. seven one-way throttle valves (211-5) are connected with the hydraulic gyration horse of perforation unit Up to (5), the hydraulic rotary motor (5) of perforation unit connects seven way reversing valves (210-7);Multiple directional control valve (210) further includes eight Way reversing valve (210-8), eight way reversing valves (210-8) are connected with the left rotary motor of walking unit (220);Multiple directional control valve It (210) further include nine way reversing valves (210-9), nine way reversing valves (210-9) are connected with walking unit right-hand rotation motor (221).
2. a kind of medium-thickness seam high punch automatic lifting drilling machine as described in claim 1, it is characterised in that: the lifting is single Member further includes support locating rod (3), and support locating rod (3) is connect with perforation unit, turning unit, and support locating rod (3) is upward Back is supported to, supports to tunnel ground downwards.
3. a kind of implementation method of medium-thickness seam high punch automatic lifting drilling machine, it is characterised in that: the realization side of the drilling machine Method the following steps are included:
Step 1 after the executing agency of drilling machine is connect with power unit by fluid pressure line, starts drilling machine, and power unit starts to transport Row reaches perforated area by walking unit driving complete machine, and the executing agency of drilling machine includes preceding hydraulic cylinder (11), rear hydraulic cylinder (14), turning unit hydraulic cylinder (15), to inlet hydraulic cylinder (7), clamper hydraulic cylinder (218), chuck hydraulic cylinder (217), hydraulic Rotary motor (5), the left rotary motor of walking unit (220), walking unit right-hand rotation motor (221);
Step 2, power unit drive turning unit hydraulic cylinder (15) piston rod to stretch out, complete machine are jacked up to and is detached from ground, manually Main body turning is to adjust punching horizontal azimuth;
The specific rate-determining steps of the hydraulic control circuit of step 2 are as follows:
After starting oil pump, oil pressure is established in hydraulic circuit, three way reversing valves (210-3) work in upper, and hydraulic oil passes through three Way reversing valve (210-3) enters No. three one-way throttle valves (211-3), then enters three by No. three one-way throttle valves (211-3) Road hydraulic two-way lock (212-3);
The tri- road hydraulic two-way lock (212-3) of rod chamber circuit Zhong for opening turning unit hydraulic cylinder (15), so that three roads are hydraulic Reversible lock (212-3) two-way circulates, meanwhile, hydraulic oil enters the rodless cavity of turning unit hydraulic cylinder (15), and hydraulic oil pushes back The piston rod for turning unit hydraulic cylinder (15) stretches out;
After three road hydraulic two-way locks (212-3) two-way circulate, the hydraulic oil of the rod chamber of turning unit hydraulic cylinder (15) is successively passed through Cross three road hydraulic two-way locks (212-3), three way reversing valves (210-3) return to fuel tank, the piston rod of turning unit hydraulic cylinder (15) Support lands, and then can realize that drilling machine level angle is adjusted;
Step 3, power unit drive lifting unit preceding hydraulic cylinder (11) and rear hydraulic cylinder (14), by perforation unit adjust to Proper height, and the flexible stroke of the piston rod by controlling preceding hydraulic cylinder (11) and rear hydraulic cylinder (14), adjust punching pitch angle;
The specific rate-determining steps of the hydraulic control circuit of step 3 are as follows:
After starting oil pump, oil pressure is established in hydraulic circuit, when a way reversing valve (210-1) works in bottom, hydraulic oil warp It crosses a way reversing valve (210-1) and enters hydraulic two-way lock (212-1) all the way;
Hydraulic two-way lock all the way (212-1) before opening in the rod chamber circuit of hydraulic cylinder (11), so that hydraulic two-way lock all the way (212-1) two-way circulates;
After hydraulic two-way lock (212-1) two-way circulates all the way, the hydraulic oil of the rod chamber of preceding hydraulic cylinder (11) successively passes through all the way Hydraulic two-way lock (212-1), one-way throttle valve (211-1), a way reversing valve (210-1) return to fuel tank;
It opens hydraulic two-way lock (212-1) all the way while hydraulic oil enters the rodless cavity of preceding hydraulic cylinder (11), before hydraulic oil pushes The piston rod of hydraulic cylinder (11) stretches out, and adjusts the height of punching, and then realizes that drilling machine punches height adjustment;
In the control loop of preceding hydraulic cylinder (11), one-way throttle valve (211-1) is for adjusting preceding hydraulic cylinder (11) piston rod all the way Stretching speed, and all the way hydraulic two-way lock (212-1) for realizing in reversal valve when position before hydraulic cylinder (11) piston rod position Reliable locking;
After starting oil pump, oil pressure is established in hydraulic circuit, when two way reversing valves (210-2) work in bottom, hydraulic oil warp Two way reversing valves (210-2) is crossed into two road hydraulic two-way locks (212-2);
The bis- road hydraulic two-way lock (212-2) of rod chamber circuit Zhong of hydraulic cylinder (14) after opening, so that two road hydraulic two-way locks (212-2) two-way circulates;
Open two road hydraulic two-way locks (212-2) simultaneously, the hydraulic oil of the rod chamber of rear hydraulic cylinder (14) successively passes through two road liquid Pressure reversible lock (212-2), No. two one-way throttle valves (211-2), two way reversing valves (210-2) return to fuel tank;
It opens two road hydraulic two-way locks (212-2) while hydraulic oil enters the rodless cavity of rear hydraulic cylinder (14), after hydraulic oil pushes The piston rod of hydraulic cylinder (14) stretches out, and adjusts the height of punching, and then realizes that drilling machine punches height adjustment;
Afterwards in the control loop of hydraulic cylinder (14), hydraulic cylinder (14) piston rod stretches after one-way throttle valve (211-2) is used to adjust Contracting speed, and two road hydraulic two-way locks (212-2) for realizing in reversal valve when position after hydraulic cylinder (14) piston rod position can By locking;
The chuck (4) of step 4, power unit driving perforation unit is clamped drilling rod (1) by clamper (2), and power unit drives Hydrodynamic pressure rotary motor (5) drives drilling rod (1) rotation, while driving and carrying out punching construction to inlet hydraulic cylinder (7);Punching is completed Afterwards, driving is retracted to inlet hydraulic cylinder (7) piston rod, completes the punching construction of the punch position;
Step 5, power unit drive the preceding hydraulic cylinder (11) of lifting unit and rear hydraulic cylinder (14) piston rod to retract in place, drive Dynamic turning unit hydraulic cylinder (15) piston rod retracts in place, and drilling machine crawler belt (9) lands again, before driving drilling machine by walking unit Toward next punch position.
CN201711446513.5A 2017-12-27 2017-12-27 A kind of medium-thickness seam high punch automatic lifting drilling machine and its implementation Active CN108166924B (en)

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