CN111663895A - Fully-mechanized mining face multifunctional two-arm hydraulic drilling equipment - Google Patents
Fully-mechanized mining face multifunctional two-arm hydraulic drilling equipment Download PDFInfo
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- CN111663895A CN111663895A CN202010464821.6A CN202010464821A CN111663895A CN 111663895 A CN111663895 A CN 111663895A CN 202010464821 A CN202010464821 A CN 202010464821A CN 111663895 A CN111663895 A CN 111663895A
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- 238000005553 drilling Methods 0.000 title claims abstract description 117
- 238000005065 mining Methods 0.000 title claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 64
- 239000010959 steel Substances 0.000 claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000008093 supporting effect Effects 0.000 claims abstract description 31
- 238000004080 punching Methods 0.000 claims abstract description 15
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 73
- 239000000839 emulsion Substances 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 14
- 239000004744 fabric Substances 0.000 abstract 1
- 230000002194 synthesizing effect Effects 0.000 abstract 1
- 239000011435 rock Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000005422 blasting Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
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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
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
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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
- E21B15/04—Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
- E21B15/045—Hydraulic, pneumatic or electric circuits for their positioning
-
- 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
- E21B7/04—Directional drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a multifunctional two-arm hydraulic drilling device for a fully mechanized mining face, which belongs to the technical field of coal mine drilling and comprises a walking chassis assembly, a supporting seat assembly, a lifting arm assembly and a drill arm assembly; the walking chassis components are arranged on two sides of the fully mechanized mining face scraper machine and can walk along the side walls of the fully mechanized mining face scraper machine; the two groups of supporting seat assemblies are arranged on the walking chassis assembly along the side walls of the fully mechanized mining face scraper conveyor and comprise stand columns, a control valve group and cantilevers; the lifting arm assembly comprises a rotary support I, a telescopic oil cylinder II, a lifting arm I, a lifting arm II, a drill arm hanging plate, a telescopic oil cylinder III and a steel wire rope I; the drill boom assembly comprises a slewing bearing II, a drill boom I, a drill boom II, a telescopic oil cylinder IV, a drilling mechanism, a steel wire rope II, a steel wire rope III and a fixed pulley. Above-mentioned combine and adopt multi-functional two arm hydraulic pressure drilling equipment of face can realize synthesizing the all-round multi-functional demand of punching of face, and it is little to have improved traditional mode drilling range that punches, and cloth hole inefficiency, the poor problem of safety guarantee.
Description
Technical Field
The invention belongs to the technical field of coal mine drilling, and particularly discloses a fully-mechanized mining face multifunctional two-arm hydraulic drilling device.
Background
At present, many complex geological conditions needing drilling are met in the fully-mechanized mining process of coal mines, particularly, a coal seam contains a long rock interlayer, the hardness of the rock is high, and rock drilling and blasting are needed when a coal mining machine cannot pass through the rock interlayer; when the top plate is too hard, the top plate does not automatically fall off after fully mechanized mining, and drilling, blasting and top-releasing are needed; the conditions such as geology and the like need to be researched by drilling holes on the fully-mechanized mining surface. However, because of the narrow space of the fully mechanized mining face, the bad working condition, no proper power source and other factors, the prior handheld pneumatic rock drills with supporting legs, hydraulic drilling machines arranged on the coal baffle of the scraper machine or hydraulic drilling machines standing on the top are also used. But the common defects are that the operation efficiency is low, the safety guarantee is poor, the flexibility is not high, and the drilling machine is only suitable for the problems of a single drilling process and the like. In order to solve the problems, a multifunctional two-arm hydraulic drilling device which is high in efficiency, labor-saving and suitable for different drilling processes and high in mechanization is urgently needed.
Disclosure of Invention
The invention aims to provide a multifunctional two-arm hydraulic drilling device for a fully mechanized mining face, which can meet the requirement of omnibearing and multifunctional drilling on the fully mechanized mining face and solve the problems of small drilling range, low hole distribution efficiency and poor safety guarantee of the traditional drilling mode.
In order to achieve the aim, the invention provides a fully-mechanized mining face multifunctional two-arm hydraulic drilling device, which comprises a walking chassis assembly, a supporting seat assembly, a lifting arm assembly and a drill arm assembly; the walking chassis components are arranged on two sides of the fully mechanized mining face scraper machine and can walk along the side walls of the fully mechanized mining face scraper machine; the two groups of supporting seat assemblies are arranged on the walking chassis assembly along the side walls of the fully mechanized mining face scraper conveyor and comprise stand columns, a control valve group and cantilevers; the upright posts are vertically arranged on the walking base plate component; the cantilever is vertically arranged on the side surface of the upright post and is parallel to the walking direction of the walking chassis component; the lifting arm assembly comprises a rotary support I, a telescopic oil cylinder II, a lifting arm I, a lifting arm II, a drill arm hanging plate, a telescopic oil cylinder III and a steel wire rope I; the slewing bearing I is arranged on the cantilever, and the central line of the slewing bearing I is vertical to the walking direction of the walking chassis assembly 1; the lifting arm I is fixedly arranged on the slewing bearing I; the lifting arm II is arranged on the outer wall of the lifting arm I in a sliding mode; the telescopic oil cylinder II is fixed in the lifting arm I, and the piston drives the lifting arm II to slide along the lifting arm I; the drill boom hanging plate is arranged on the outer wall of the lifting arm II in a sliding mode; the telescopic oil cylinder III is arranged in the lifting arm II; the steel wire rope I bypasses a piston of the telescopic oil cylinder III, the first end of the steel wire rope I is fixed on the lifting arm II, and the second end of the steel wire rope I is fixed on the drill boom hanging plate; the drilling arm assembly comprises a slewing bearing II, a drilling arm I, a drilling arm II, a telescopic oil cylinder IV, a drilling mechanism, a steel wire rope II, a steel wire rope III and a fixed pulley; the slewing bearing II is arranged on the drill boom hanging plate, and the central line of the slewing bearing II is parallel to the walking direction of the walking chassis assembly; the drill boom I is fixedly arranged on the slewing bearing II; the drill boom II is arranged on the outer wall of the drill boom I in a sliding mode; the telescopic oil cylinder IV is fixed in the drill boom I, and the piston drives the drill boom II to slide along the drill boom I; the drilling mechanism is arranged on the outer wall of the drill boom II in a sliding mode; the two groups of fixed pulleys are arranged on the outer wall of the drill boom II and are respectively positioned on two sides of a sliding connection point of the drilling mechanism and the drill boom II; the steel wire rope II winds the fixed pulley positioned below the sliding connection point, the first end of the steel wire rope II is fixed on the drill boom I, and the second end of the steel wire rope II is fixed on the drilling mechanism; the steel wire rope III bypasses a fixed pulley positioned above the sliding connection point, the first end of the steel wire rope III is fixed on the drill boom I, and the second end of the steel wire rope III is fixed on the drilling mechanism; the telescopic oil cylinder II, the telescopic oil cylinder III and the telescopic oil cylinder IV are controlled by an operating valve group.
Furthermore, a sliding shoe I is fixed on the drill boom hanging plate, the sliding shoe I slides along the lifting arm II, and the second end of the steel wire rope I is fixed on the sliding shoe I; a sliding shoe II is fixed on the lifting arm I, and the lifting arm II slides along the sliding shoe II; a sliding shoe III is fixed on the drilling mechanism and slides along the drill boom II; a sliding shoe IV is fixed on the drill boom I, and the drill boom II slides along the sliding shoe IV; the steel wire rope II bypasses a fixed pulley positioned below the sliding shoe III, the first end of the steel wire rope II is fixed on the sliding shoe IV, and the second end of the steel wire rope II is fixed on the sliding shoe III; and the steel wire rope III bypasses a fixed pulley positioned above the sliding shoe III, the first end of the steel wire rope III is fixed on the sliding shoe IV, and the second end of the steel wire rope III is fixed on the sliding shoe III.
Furthermore, an extending plate is arranged on the lifting arm II and fixedly connected with a piston of the telescopic oil cylinder II; and an extending plate is arranged on the drill boom II and fixedly connected with a piston of a telescopic oil cylinder IV.
Furthermore, the pivoting support I is connected with the cantilever through a bolt, and the rotating angle of the lifting arm assembly is-30 degrees; the slewing bearing II is connected with the drill boom hanging plate through a bolt, and the rotation angle of the drill boom assembly is-30-120 degrees.
Furthermore, the walking chassis component comprises a limiting supporting leg, a sliding supporting leg, a bottom plate, a walking operation platform, a fluted disc, a motor and a toothed rail arranged on the side wall of the fully mechanized face scraper conveyor; the limiting supporting legs and the sliding supporting legs are arranged on the bottom surface of the bottom plate; the limiting support legs are provided with limiting frames surrounded by baffles, the top plates and the side plates on the two sides of the limiting frames are surrounded outside the toothed rails, and the bottom plates are inserted between the toothed rails and the side walls of the fully mechanized face scraper conveyor; the sliding support leg is abutted against the side wall of the fully mechanized mining face scraper to slide; the walking operation platform is arranged on the top surface of the bottom plate; the fluted disc is connected with the motor through a connecting shaft, and the connecting shaft is rotatably arranged on the walking operation table in a penetrating way; the fluted disc is meshed with the toothed rail; the motor is controlled by a pilot valve block.
Furthermore, the walking chassis assembly also comprises a filter arranged on the walking operation platform, and the filter is connected with the control valve group through a liquid supply pipe.
Furthermore, the supporting seat assembly also comprises a telescopic plate and a telescopic oil cylinder I; the telescopic plate is arranged on the bottom plate in a sliding mode, the sliding direction of the telescopic plate is perpendicular to the traveling direction of the traveling chassis assembly, and the stand column is fixed on the telescopic plate; the telescopic oil cylinder I is arranged between the telescopic plate and the bottom plate, is used for driving the telescopic plate to slide and is controlled by the control valve group.
Furthermore, the walking operation platform is positioned between the two groups of supporting seat assemblies; the telescopic plate is provided with a guardrail.
Further, driving liquids of the telescopic oil cylinder I, the telescopic oil cylinder II, the telescopic oil cylinder III, the telescopic oil cylinder IV, the drilling mechanism and the motor are emulsion.
Furthermore, the fully mechanized mining face multifunctional two-arm hydraulic drilling equipment further comprises a hydraulic control system; the hydraulic control system comprises a power source, a locking switching valve I, an operating valve VIII, a locking switching valve II, an operating valve I, an operating valve II, a locking switching valve III, a bidirectional lock, a drilling machine motor, an operating valve III, an operating valve IV, an operating valve V, an operating valve VI, an operating valve VII, a drilling machine dust settling system and a pressure reducing valve, wherein the locking switching valve II, the operating valve II, the locking switching valve III, the bidirectional lock, the drilling machine motor, the operating valve III, the operating;
the power source is provided by a fully mechanized mining surface emulsion system and is connected with the locking switching valve I;
the outlet of the locking switching valve I is divided into two paths and is respectively connected with a K point and an operation valve VIII of the control motor, and the locking switching valve I enables the equipment not to be subjected to drilling operation when the equipment is in walking and enables the equipment not to be subjected to drilling operation when the equipment is in drilling operation;
the locking switching valve II is connected with the point K, the outlet is divided into two paths, the first path is connected with the operating valve I and the operating valve II, the second path is connected with the locking switching valve III, and the locking switching valve II enables the punching operation and the punching position adjusting operation not to be carried out simultaneously;
the operating valve I is connected with a telescopic oil cylinder IV through a bidirectional lock;
the operating valve II is connected with a drill motor, and the drill dust settling system introduces emulsion of the drill motor through a pressure reducing valve to perform dust settling operation;
the outlet of the locking switching valve III is divided into three paths, the first path is connected with an operating valve III, an operating valve IV and an operating valve V respectively, the second path and the third path are connected with an operating valve VI and an operating valve VII respectively, and the locking switching valve III enables the rotary support action and the hydraulic oil cylinder action not to be operated simultaneously when the punching position is adjusted;
an operating valve III controls a telescopic oil cylinder I; an operating valve IV controls a telescopic oil cylinder II; the operating valve V controls a telescopic oil cylinder III; an operating valve VI controls the slewing bearing I; the operating valve VII controls the slewing bearing II;
and the operating valve I, the operating valve II, the operating valve III, the operating valve IV, the operating valve V, the operating valve VI, the operating valve VII and the operating valve VIII are integrated in the operating valve group.
The invention has the following beneficial effects:
1. the multifunctional two-arm hydraulic drilling equipment for the fully mechanized mining face can meet the drilling requirement that the mining height of the fully mechanized mining face is 2.5-6 m, and is suitable for a large inclination angle of 35 degrees on a working face;
2. the equipment is supported by four supporting legs, and the fluted disc is driven by the motor to rotate, so that the equipment can move forwards and backwards along the direction of the tooth track on the side wall of the fully-mechanized mining face scraper;
3. the drilling angle of the device can reach a sector area with 30 degrees downward horizontally and 30 degrees backward vertically, and the total number is 150 degrees, the drilling requirements of the coal wall at the side part and the top part can be met by lifting and rotating the lifting arm assembly and the drilling arm assembly, the hole distribution efficiency is high, and different drilling processes are met;
4. all the degrees of freedom are controlled by the control valve group, so that the requirement of high-efficiency drilling by two persons operating two arms simultaneously can be met, and the effect is improved by reducing the number of persons;
5. the emulsion is a direct driving force and is the most direct and easily obtained power source for fully mechanized mining surfaces;
6. the equipment is provided with two groups of drill arm mechanisms, can be operated simultaneously, and can obviously improve the drilling efficiency;
7. the equipment can realize high-efficiency drilling of coal walls and rocks by replacing different drilling mechanisms aiming at different process requirements.
Drawings
FIG. 1 is a schematic structural diagram of a fully mechanized mining face multifunctional two-arm hydraulic drilling device provided by the invention;
FIG. 2 is a schematic structural view of a walking chassis assembly;
FIG. 3 is a schematic structural view of the support base assembly;
FIG. 4 is a schematic diagram of a lift arm assembly;
FIG. 5 is a schematic diagram of the construction of the boom assembly;
FIG. 6 is a view of the working limit position of the lift arm assembly;
FIG. 7 is a view of the working limit position of the boom assembly;
fig. 8 is a hydraulic schematic diagram of the fully mechanized face multifunctional two-arm hydraulic drilling equipment.
In the figure: 1-a walking chassis component, 2-a supporting seat component, 3-a lifting arm component, 4-a drill arm component, 5-a fully mechanized face scraper machine side wall, and 6-a coal wall or a rock wall;
101-limit supporting legs, 102-sliding supporting legs, 103-bottom plates, 104-walking operation tables, 105-filters, 106-fluted discs, 107-motors, 108-toothed rails and 1011-limit frames;
201-a telescopic plate, 202-a column, 203-an operating valve group, 204-a cantilever, 205-a guardrail and 206-a telescopic oil cylinder I;
301-slewing bearing I, 302-telescopic oil cylinder II, 303-lifting arm I, 304-lifting arm II, 305-drilling arm hanging plate, 306-sliding shoe I, 307-telescopic oil cylinder III, 308-sliding shoe II and 309-steel wire rope I;
401-slewing bearing II, 402-drilling boom I, 403-drilling boom II, 404-telescopic oil cylinder IV, 405-drilling mechanism, 406-sliding shoe III, 407-steel wire rope II, 408-steel wire rope III, 409-sliding shoe IV and 410-fixed pulley;
501-an emulsion tank, 502-a power source, 503-a high-pressure filter, 504-an overflow valve, 505-a locking switching valve I, 506-a locking switching valve II, 507-an operating valve I, 508-an operating valve II, 509-a locking switching valve III, 510-a bidirectional lock, 511-a drilling machine motor, 512-an operating valve III, 513-an operating valve IV, 514-an operating valve V, 515-an operating valve VI, 516-an operating valve VII, 517-a drilling machine dust settling system, 518-a pressure reducing valve and 519-an operating valve VIII.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment provides a multifunctional two-arm hydraulic drilling device for a fully mechanized mining face, which comprises a walking chassis assembly 1, a supporting seat assembly 2, a lifting arm assembly 3 and a drill arm assembly 4; the walking chassis components 1 are arranged at two sides of the fully mechanized mining face scraper and can walk along the side walls 5 of the fully mechanized mining face scraper; the two groups of supporting seat assemblies 2 are arranged on the walking chassis assembly 1 along the side wall 5 of the fully mechanized face scraper conveyor, and comprise a stand column 202, an operating valve group 203 and a cantilever 204; the upright posts 202 are vertically mounted on the walking chassis assembly 1; the cantilever 204 is vertically arranged on the side surface of the upright column 202 and is parallel to the walking direction of the walking chassis component 1; the lifting arm assembly 3 comprises a pivoting support I301, a telescopic oil cylinder II 302, a lifting arm I303, a lifting arm II 304, a drill boom hanging plate 305, a telescopic oil cylinder III 307 and a steel wire rope I309; the slewing bearing I301 is arranged on the cantilever 204, and the central line of the slewing bearing I301 is perpendicular to the walking direction of the walking chassis assembly 1; the lifting arm I303 is fixedly arranged on the slewing bearing I301; the lifting arm II 304 is arranged on the outer wall of the lifting arm I303 in a sliding manner; the telescopic oil cylinder II 302 is fixed in the lifting arm I303, and the piston drives the lifting arm II 304 to slide along the lifting arm I303; the drill boom hanging plate 305 is arranged on the outer wall of the lifting arm II 304 in a sliding mode; the telescopic oil cylinder III 307 is arranged in the lifting arm II 304; a steel wire rope I309 bypasses a piston of a telescopic oil cylinder III 307, the first end of the steel wire rope I is fixed on a lifting arm II 304, and the second end of the steel wire rope I is fixed on a drill boom hanging plate 305; the drill boom component 4 comprises a slewing bearing II 401, a drill boom I402, a drill boom II 403, a telescopic oil cylinder IV 404, a drilling mechanism 405, a steel wire rope II 407, a steel wire rope III 408 and a fixed pulley 410; the slewing bearing II 401 is arranged on the drill boom hanging plate 305, and the central line of the slewing bearing II 401 is parallel to the walking direction of the walking chassis assembly 1; the drill boom I402 is fixedly arranged on the slewing bearing II 401; the drill boom II 403 is arranged on the outer wall of the drill boom I402 in a sliding mode; the telescopic oil cylinder IV 404 is fixed in the drill boom I402, and the piston drives the drill boom II 403 to slide along the drill boom I402; the drilling mechanism 405 is arranged on the outer wall of the drill boom II 403 in a sliding mode; the two groups of fixed pulleys 410 are arranged on the outer wall of the drill boom II 403 and are respectively positioned on two sides of the sliding connection point of the drilling mechanism 405 and the drill boom II 403; a steel wire rope II 407 winds around a fixed pulley 410 positioned below the sliding connection point, the first end of the steel wire rope II is fixed on the drill boom I402, and the second end of the steel wire rope II is fixed on the drilling mechanism 405; a steel wire rope III 408 is wound around a fixed pulley 410 positioned above the sliding connection point, the first end of the steel wire rope III is fixed on the drill boom I402, and the second end of the steel wire rope III is fixed on the drilling mechanism 405; the telescopic oil cylinder II 302, the telescopic oil cylinder III 307 and the telescopic oil cylinder IV 404 are all controlled by the control valve group 203.
The whole lifting arm assembly 3 is mounted on the cantilever 204 through the rotary support I301, and the lifting arm assembly 3 is driven to rotate, so that the punching position is convenient to adjust; the telescopic oil cylinder II 302 drives the lifting arm II 304 to slide along the lifting arm I303; the telescopic oil cylinder III 307 extends to drive the steel wire rope I309 to lift the drill boom hanging plate 305, and then the drill boom hanging plate 305 is landed under the self weight of the drill boom hanging plate 305; the slewing bearing II 401 is used for mounting the whole drill boom assembly 4 on the drill boom hanging plate 305 and driving the drill boom assembly 4 to rotate; the telescopic oil cylinder IV 404 directly drives the drill boom II 403 to slide up and down, the drilling mechanism 405 is driven to ascend through the steel wire rope III 408 and the fixed pulley 410 positioned above the sliding connection point when the drill boom II 403 ascends, the drilling mechanism 405 is driven to descend through the steel wire rope II 407 and the fixed pulley 410 positioned below the sliding connection point when the drill boom II 403 retreats, and the moving speed of the drilling mechanism 405 is twice as fast as that of the telescopic oil cylinder IV 404.
Furthermore, a sliding shoe I306 is fixed on the drill boom hanging plate 305, the sliding shoe I306 slides along the lifting arm II 304, and the second end of the steel wire rope I309 is fixed on the sliding shoe I306; a sliding shoe II 308 is fixed on the lifting arm I303, and the lifting arm II 304 slides along the sliding shoe II 308; a sliding shoe III 406 is fixed on the drilling mechanism 405, and the sliding shoe III 406 slides along the drill boom II 403; a sliding shoe IV 409 is fixed on the drill boom I402, and the drill boom II 403 slides along the sliding shoe IV 409; a steel wire rope II 407 winds around a fixed pulley 410 positioned below the sliding shoe III 406, and a first end of the steel wire rope II is fixed on the sliding shoe IV 409 while a second end of the steel wire rope II is fixed on the sliding shoe III 406; the steel wire rope III 408 passes around a fixed pulley 410 positioned above the sliding shoe III 406, and is fixed on the sliding shoe IV 409 at a first end and fixed on the sliding shoe III 406 at a second end.
Furthermore, an extending plate is arranged on the lifting arm II 304 and fixedly connected with a piston of the telescopic oil cylinder II 302; and an extending plate is arranged on the drill boom II 403 and is fixedly connected with a piston of the telescopic cylinder IV 404.
Further, the rotary support I301 is connected with the cantilever 204 through a bolt, and the rotation angle of the lifting arm assembly 3 is-30 degrees (namely-gamma in figure 6); the rotary support II 401 is connected with the drill arm hanging plate 305 through bolts, and the rotation angle of the drill arm assembly 4 is-30-120 degrees (namely alpha-beta in figure 7).
Further, the walking chassis assembly 1 comprises a limiting supporting leg 101, a sliding supporting leg 102, a bottom plate 103, a walking operating platform 104, a fluted disc 106, a motor 107 and a rack 108 arranged on the side wall 5 of the fully mechanized face scraper machine; the limiting supporting legs 101 and the sliding supporting legs 102 are arranged on the bottom surface of the bottom plate 103; the gravity center of the whole equipment is close to the side of the coal wall, the limiting support leg 101 is provided with a limiting frame 1011 enclosed by the baffle, the top plate of the limiting frame 1011 and the side plates at two sides are enclosed outside the toothed rail 108, and the bottom plate is inserted between the toothed rail 108 and the side wall 5 of the fully mechanized face scraper so as to prevent overturning; the sliding support legs 102 slide against the side walls 5 of the fully mechanized face scraper conveyor to play a supporting role; the walking operation platform 104 is arranged on the top surface of the bottom plate 103, generally welded, and provides an operation space for an operator to control the equipment to walk; the fluted disc 106 is connected with the motor 107 through a connecting shaft, and the connecting shaft is rotatably arranged on the walking operation table 104 in a penetrating way; toothed disc 106 is engaged with toothed track 108; the motor 107 is controlled by a pilot valve block 203. The motor 107 is a low-speed large-torque motor, the walking chassis assembly 1 drives the toothed disc 106 to walk and retreat the equipment on the toothed rail 108 by means of the low-speed large-torque motor, and the equipment provides braking force by means of the motor.
Further, the walking chassis assembly 1 further comprises a filter 105 disposed on the walking console 104, and the filter 105 is connected to the valve operating group 203 through a liquid supply pipe. The driving liquid introduced from the bracket valve is firstly introduced into the filter 105 and then enters the operating valve group 203, so that the impurities in the driving liquid are reduced, and the service lives of the valve group, the motor and the oil cylinder are prolonged
Further, the support seat assembly 2 further comprises a telescopic plate 201 and a telescopic oil cylinder I206; the expansion plate 201 is arranged on the bottom plate 103 in a sliding mode, the sliding direction is perpendicular to the walking direction of the walking chassis assembly 1, and the upright column 202 is fixed on the expansion plate 201; the telescopic cylinder I206 is arranged between the telescopic plate 201 and the bottom plate 103, and is used for driving the telescopic plate 201 to slide and is controlled by the control valve group 203. An operating valve group 203 is fixed on the upright column 202, and an operator stands on the telescopic plate 201 to control the work of each mechanical arm through the operating valve group 203.
Further, the walking operation platform 104 is positioned between the two groups of support seat assemblies 2; the telescopic plate 201 is provided with a guardrail 205. The guardrail 205 is fixed on the expansion plate 201 through bolts, so that the safety of operators can be protected, and meanwhile, the space enclosed by the guardrail 205 has the function of storing drill rods.
Further, driving liquids of the telescopic oil cylinder I206, the telescopic oil cylinder II 302, the telescopic oil cylinder III 307, the telescopic oil cylinder IV 404, the drilling mechanism 405 and the motor 107 are all emulsion.
Furthermore, the fully mechanized mining face multifunctional two-arm hydraulic drilling equipment further comprises a hydraulic control system; the hydraulic control system comprises an emulsion tank 501, a power source 502, a high-pressure filter 503, an overflow valve 504, a locking switching valve I505, a locking switching valve II 506, an operating valve I507, an operating valve II 508, a locking switching valve III 509, a two-way lock 510, a drilling machine motor 511, an operating valve III 512, an operating valve IV 513, an operating valve V514, an operating valve VI 515, an operating valve VII 516, a drilling machine dust settling system 517, a pressure reducing valve 518 and an operating valve VIII 519. In the figure, the left side and the right side behind the point K are symmetrical in hydraulic principle, and the left side and the right side do not interfere with each other in drilling operation, and only a left side system is explained here. The power source 502 is provided by a fully mechanized mining face emulsion system; the overflow valve 504 and the locking switching valve I505 are connected with the high-pressure filter 503 in parallel, and the overflow pressure of the overflow valve is 22 MPa; the locking switching valve I505 enables the equipment to be incapable of drilling when the equipment is in walking and incapable of walking when the equipment is in drilling; the switching valve II 506 is locked to prevent the punching operation and the punching position adjustment operation from being performed simultaneously; the operation valve I507 and the operation valve II 508 are operated at the same time, so that punching and dust removal operations can be performed, and the drilling machine dust settling system 517 refers to the emulsion of the drilling machine motor 511 through a pressure reducing valve 518 to perform dust settling operations; the switching valve III 509 is locked, so that the rotary support action and the hydraulic oil cylinder action cannot be operated simultaneously when the punching position is adjusted, and the safety is improved; the slewing bearing I301 is controlled by an operating valve VI 515; the slewing bearing II 401 is controlled by an operating valve VII 516; the telescopic oil cylinder I206 is controlled by an operating valve III 512; the telescopic oil cylinder II 302 is controlled by an operating valve IV 513; the telescopic oil cylinder III 307 is controlled by an operating valve V514.
The functions which can be realized by the hydraulic control system are as follows:
1. the device has a walking locking function, and can not operate punching during walking and can not walk during punching;
2. all the oil cylinder motors have a self-locking function;
3. when the rotary supports I and II move, the other degrees of freedom are not movable;
4. the left and right drilling mechanisms can be operated simultaneously without mutual interference.
During working, the equipment is firstly installed on the side wall 5 of the fully mechanized face scraper, the whole machine is fixed on two sides of the side wall 5 of the fully mechanized face scraper through four supporting legs of the walking chassis component 1, wherein the limiting supporting legs 101 are installed on a rack 108, and the equipment is driven to walk to a working area along the rack 108 through a motor 107 driving a fluted disc 106; then, a corresponding drilling mechanism 405 is replaced according to different drilling processes, an emulsion rock drill is needed for drilling on the rock, and an emulsion drilling machine is needed for drilling on the coal wall; adjusting the drill boom component 4 to a proper position through primary and secondary lifting motions according to the fully mechanized mining surface and two telescopic oil cylinders of the drilling height adjusting lifting arm component 3; then adjusting a telescopic oil cylinder I206 of the supporting seat component 2 according to the distance from the equipment to the coal wall or the rock wall, so that the drill boom component 4 moves to a proper distance from the coal wall or the rock wall; and the included angle between the drilling mechanism 405 and the coal wall or rock wall is adjusted through a rotary bearing II 401 in the drilling arm assembly 4 and a rotary bearing I301 in the lifting arm assembly 3. All telescopic cylinders are provided with hydraulic locks to control the positions of the cylinders, and the slewing bearing has a reverse self-locking function, so that stable drilling of the drilling machine can be met when the degrees of freedom are adjusted to any position. Finally, the punching operation is realized by operating the feed cylinder of the drilling mechanism 405. By controlling the degree of freedom of the lifting arm assembly 3, the drill arm assembly 4 can lift within 2300mm (namely h in figure 7) and rotate left and right in a sector of 60 degrees; by controlling the degree of freedom of the drill boom assembly 4, the drilling mechanism 405 can rotate in a large-angle sector area of 150 degrees back and forth, and holes can be formed at 1800mm at one time; through the mutual cooperation of the actions, the multifunctional two-arm hydraulic drilling equipment for the fully mechanized mining face can realize drilling operation in a wider range and at more angles, and drilling requirements of different processes such as fault rock blasting drilling, caving blasting drilling or drilling holes are met, so that labor cost is saved, working efficiency is improved, and economic benefits are increased.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A multifunctional two-arm hydraulic drilling device for a fully mechanized mining face is characterized by comprising a walking chassis assembly (1), a supporting seat assembly (2), a lifting arm assembly (3) and a drill arm assembly (4);
the walking chassis components (1) are arranged on two sides of the fully mechanized face scraper and can walk along the side walls (5) of the fully mechanized face scraper;
the two groups of supporting seat assemblies (2) are arranged on the walking chassis assembly (1) along the side wall (5) of the fully mechanized face scraper machine and comprise an upright post (202), an operating valve group (203) and a cantilever (204);
the upright column (202) is vertically arranged on the walking chassis component (1);
the cantilever (204) is vertically arranged on the side surface of the upright post (202) and is parallel to the walking direction of the walking chassis component (1);
the lifting arm assembly (3) comprises a rotary support I (301), a telescopic oil cylinder II (302), a lifting arm I (303), a lifting arm II (304), a drill boom hanging plate (305), a telescopic oil cylinder III (307) and a steel wire rope I (309);
the slewing bearing I (301) is arranged on the cantilever (204), and the central line of the slewing bearing I (301) is perpendicular to the walking direction of the walking chassis assembly (1);
the lifting arm I (303) is fixedly arranged on the slewing bearing I (301);
the lifting arm II (304) is arranged on the outer wall of the lifting arm I (303) in a sliding mode;
the telescopic oil cylinder II (302) is fixed in the lifting arm I (303), and the piston drives the lifting arm II (304) to slide along the lifting arm I (303);
the drill boom hanging plate (305) is arranged on the outer wall of the lifting arm II (304) in a sliding mode;
the telescopic oil cylinder III (307) is arranged in the lifting arm II (304);
the steel wire rope I (309) bypasses a piston of the telescopic oil cylinder III (307), the first end of the steel wire rope I is fixed on the lifting arm II (304), and the second end of the steel wire rope I is fixed on the drill boom hanging plate (305);
the drill boom component (4) comprises a slewing bearing II (401), a drill boom I (402), a drill boom II (403), a telescopic oil cylinder IV (404), a drilling mechanism (405), a steel wire rope II (407), a steel wire rope III (408) and a fixed pulley (410);
the slewing bearing II (401) is arranged on the drill boom hanging plate (305), and the central line of the slewing bearing II (401) is parallel to the walking direction of the walking chassis assembly (1);
the drill boom I (402) is fixedly arranged on the slewing bearing II (401);
the drill boom II (403) is arranged on the outer wall of the drill boom I (402) in a sliding mode;
the telescopic oil cylinder IV (404) is fixed in the drill boom I (402), and the piston drives the drill boom II (403) to slide along the drill boom I (402);
the drilling mechanism (405) is arranged on the outer wall of the drill boom II (403) in a sliding mode;
the two groups of fixed pulleys (410) are arranged on the outer wall of the drill boom II (403) and are respectively positioned on two sides of the sliding connection point of the drilling mechanism (405) and the drill boom II (403);
the steel wire rope II (407) rounds a fixed pulley (410) below the sliding connection point, the first end of the steel wire rope II is fixed on the drill boom I (402), and the second end of the steel wire rope II is fixed on the drilling mechanism (405);
the steel wire rope III (408) winds a fixed pulley (410) above the sliding connection point, the first end of the steel wire rope III is fixed on the drill boom I (402), and the second end of the steel wire rope III is fixed on the drilling mechanism (405);
the telescopic oil cylinder II (302), the telescopic oil cylinder III (307) and the telescopic oil cylinder IV (404) are all controlled by an operating valve group (203).
2. The multifunctional two-arm hydraulic drilling equipment for the fully mechanized mining face according to claim 1, wherein a sliding shoe I (306) is fixed on the drill boom hanging plate (305), the sliding shoe I (306) slides along a lifting arm II (304), and a second end of a steel wire rope I (309) is fixed on the sliding shoe I (306);
a sliding shoe II (308) is fixed on the lifting arm I (303), and the lifting arm II (304) slides along the sliding shoe II (308);
a sliding shoe III (406) is fixed on the drilling mechanism (405), and the sliding shoe III (406) slides along the drill boom II (403);
a sliding shoe IV (409) is fixed on the drill boom I (402), and the drill boom II (403) slides along the sliding shoe IV (409);
the steel wire rope II (407) rounds a fixed pulley (410) positioned below the sliding shoe III (406), the first end of the steel wire rope II is fixed on the sliding shoe IV (409), and the second end of the steel wire rope II is fixed on the sliding shoe III (406);
the steel wire rope III (408) passes around a fixed pulley (410) above the sliding shoe III (406), the first end of the steel wire rope III is fixed on the sliding shoe IV (409), and the second end of the steel wire rope III is fixed on the sliding shoe III (406).
3. The multifunctional two-arm hydraulic drilling equipment for the fully mechanized mining face is characterized in that an extending plate is arranged on the lifting arm II (304), and the extending plate is fixedly connected with a piston of a telescopic cylinder II (302);
and an outward extending plate is arranged on the drill boom II (403), and the outward extending plate is fixedly connected with a piston of a telescopic oil cylinder IV (404).
4. The multifunctional two-arm hydraulic drilling equipment for the fully mechanized mining face according to claim 1, wherein the rotary bearing I (301) is connected with the cantilever (204) through a bolt, and the rotation angle of the lifting arm assembly (3) is-30 degrees;
the slewing bearing II (401) is connected with the drill boom hanging plate (305) through bolts, and the rotating angle of the drill boom assembly (4) is-30-120 degrees.
5. The multifunctional two-arm hydraulic drilling equipment for the fully mechanized mining face is characterized in that the walking chassis assembly (1) comprises a limiting leg (101), a sliding leg (102), a bottom plate (103), a walking operation platform (104), a fluted disc (106), a motor (107) and a toothed rail (108) arranged on a side wall (5) of the fully mechanized mining face scraper conveyor;
the limiting supporting legs (101) and the sliding supporting legs (102) are arranged on the bottom surface of the bottom plate (103);
the limiting support leg (101) is provided with a limiting frame (1011) formed by enclosing of a baffle, a top plate and side plates on two sides of the limiting frame (1011) enclose outside the toothed rail (108), and a bottom plate is inserted between the toothed rail (108) and the side wall (5) of the fully mechanized face scraper conveyor;
the sliding supporting legs (102) are abutted against the side walls (5) of the fully mechanized face scraper machine to slide;
the walking operation platform (104) is arranged on the top surface of the bottom plate (103);
the fluted disc (106) is connected with the motor (107) through a connecting shaft, and the connecting shaft is rotatably arranged on the walking operation table (104) in a penetrating way;
the fluted disc (106) is meshed with the toothed rail (108);
the motor (107) is controlled by a set of pilot valves (203).
6. The multifunctional two-arm hydraulic drilling equipment for the fully mechanized mining face according to claim 5, characterized in that the walking chassis assembly (1) further comprises a filter (105) arranged on the walking operation platform (104), and the filter (105) is connected with the control valve group (203) through a liquid supply pipe.
7. A fully mechanized mining face multifunctional two-arm hydraulic drilling equipment according to claim 6, characterized in that the support shoe assembly (2) further comprises a telescopic plate (201) and a telescopic cylinder I (206);
the telescopic plate (201) is arranged on the bottom plate (103) in a sliding mode, the sliding direction is perpendicular to the traveling direction of the traveling chassis assembly (1), and the upright column (202) is fixed on the telescopic plate (201);
the telescopic oil cylinder I (206) is arranged between the telescopic plate (201) and the bottom plate (103) and used for driving the telescopic plate (201) to slide and is controlled by the control valve group (203).
8. The multi-functional two-arm hydraulic drilling equipment for a fully mechanized mining face according to claim 7, characterized in that the walking operation table (104) is located between two sets of support seat assemblies (2);
and a guardrail (205) is arranged on the expansion plate (201).
9. The multifunctional two-arm hydraulic drilling equipment for the fully mechanized mining face of claim 7, wherein driving fluids of the telescopic oil cylinder I (206), the telescopic oil cylinder II (302), the telescopic oil cylinder III (307), the telescopic oil cylinder IV (404), the drilling mechanism (405) and the motor (107) are emulsion.
10. The multi-functional two-arm hydraulic drilling apparatus for a fully mechanized mining face of claim 9, further comprising a hydraulic control system;
the hydraulic control system comprises a power source (502), a locking switching valve I (505), an operating valve VIII (519), a locking switching valve II (506), an operating valve I (507), an operating valve II (508), a locking switching valve III (509), a two-way lock (510), a drilling machine motor (511), an operating valve III (512), an operating valve IV (513), an operating valve V (514), an operating valve VI (515), an operating valve VII (516), a drilling machine dust settling system (517) and a pressure reducing valve (518), wherein the locking switching valve II (506), the operating valve I (507), the operating valve II (508), the locking switching valve III (509), the two-;
the power source (502) is provided by a fully mechanized mining surface emulsion system and is connected with the locking switching valve I (505);
the outlet of the locking switching valve I (505) is divided into two paths and is respectively connected with a point K and an operation valve VIII (519) of a control motor (107), and the locking switching valve I (505) enables equipment to be incapable of drilling when the equipment travels and incapable of traveling when the equipment travels;
the locking switching valve II (506) is connected with the point K, the outlet is divided into two paths, the first path is connected with the operating valve I (507) and the operating valve II (508), the second path is connected with the locking switching valve III (509), and the locking switching valve II (506) enables the punching operation and the punching position adjusting operation not to be carried out simultaneously;
the operating valve I (507) is connected with a telescopic oil cylinder IV (404) through a bidirectional lock (510);
the operating valve II (508) is connected with a drill motor (511), and a drill dust settling system (517) introduces emulsion of the drill motor (511) through a pressure reducing valve (518) to perform dust settling operation;
the outlet of the locking switching valve III (509) is divided into three paths, the first path is connected with an operating valve III (512), an operating valve IV (513) and an operating valve V (514) respectively, the second path and the third path are connected with an operating valve VI (515) and an operating valve VII (516) respectively, and the locking switching valve III (509) enables the rotation supporting action and the hydraulic oil cylinder action not to be operated simultaneously when the punching position is adjusted;
the operating valve III (512) controls a telescopic oil cylinder I (206);
the operating valve IV (513) controls a telescopic oil cylinder II (302);
the operating valve V (514) controls a telescopic oil cylinder III (307);
the operating valve VI (515) controls the slewing bearing I (301);
the operating valve VII (516) controls the slewing bearing II (401);
the operating valve I (507), the operating valve II (508), the operating valve III (512), the operating valve IV (513), the operating valve V (514), the operating valve VI (515), the operating valve VII (516) and the operating valve VIII (519) are integrated in the operating valve group (203).
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| CN202010464821.6A CN111663895B (en) | 2020-05-28 | 2020-05-28 | Fully-mechanized mining face multifunctional two-arm hydraulic drilling equipment |
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| CN111663895B (en) | 2022-03-29 |
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