CN116335734A - Turnover type avoiding system and avoiding method for coal mine drilling machine - Google Patents
Turnover type avoiding system and avoiding method for coal mine drilling machine Download PDFInfo
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- CN116335734A CN116335734A CN202310305248.8A CN202310305248A CN116335734A CN 116335734 A CN116335734 A CN 116335734A CN 202310305248 A CN202310305248 A CN 202310305248A CN 116335734 A CN116335734 A CN 116335734A
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- 238000005553 drilling Methods 0.000 title claims abstract description 146
- 239000003245 coal Substances 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000007306 turnover Effects 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 9
- 238000004873 anchoring Methods 0.000 abstract description 5
- 206010063385 Intellectualisation Diseases 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 41
- 238000009434 installation Methods 0.000 description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses a turnover avoidance system for a coal mine drilling machine, which comprises: a bracket; the bracket is provided with a drilling box propelling mechanism, a drilling rod bin and a manipulator; the output end of the drilling box propelling mechanism is movably connected with a drilling box swinging oil cylinder and a drilling box; the output end of the drilling box swinging oil cylinder is movably connected to the drilling box; the drill rod bin and the manipulator are arranged on the same side of the bracket; the drill box swinging oil cylinder is arranged on one side of the drill box propelling mechanism, which is far away from the manipulator, and also discloses a turnover avoiding method for the coal mine drilling machine. According to the invention, through arranging the drilling box propelling mechanism, the manipulator, the drill rod bin, the drilling box swinging oil cylinder and the drilling box, the drilling machine can automatically avoid anchor rods and anchor ropes of different specifications in the supporting construction of the anchor rods and anchor ropes of the coal mine tunnel, and the drilling-filling anchoring agent-inserting anchor rods and anchor ropes operation is realized, so that the full automation and the intellectualization of the drilling machine are realized, the intelligent supporting operation of the coal mine can be realized, the number of operators is saved, the operation time is saved, and the operation efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of coal mine construction, in particular to a turnover avoidance system and a avoidance method for a coal mine drilling machine.
Background
The coal mine excavation roadway is required to be supported by anchor rods and anchor ropes, anchoring agents are required to be filled in drilled holes, and the anchor rods and the anchor ropes are required to be filled for supporting and fastening. At present, after the underground tunnel of the coal mine is drilled, the drilling machine cannot be directly used for full-automatic operation of filling anchoring agents and installing anchor rods and anchor ropes, the anchor rods and the anchor ropes must be installed manually or by special installation equipment, and the anchor rods and the anchor ropes cannot be installed by the same equipment.
The existing anchor rod and anchor cable installation mode is as follows: 1) And (3) manual installation: the manual installation method is flexible and can be used for installing the required quantity and types at will. However, the higher position of manual installation needs to climb up, so that the efficiency is reduced, and potential safety hazards exist. Meanwhile, more than two persons are needed to cooperate in high-altitude operation, and the requirements on the persons are high; 2) Manually assisted mechanical installation: the anchor rod and the anchor cable are put into equipment by adopting some simple mechanical pushing devices, then the equipment is aligned with the drilled hole, and a person stands on the ground to push the anchor rod and the anchor cable into the drilled hole. The structures are manually assisted, and automatic continuous installation cannot be realized; 3) Mechanical automatic installation device: the mechanical automatic anchor cable installation device adopted at home and abroad at present can only realize the installation and fastening of anchor cables, can not realize avoidance and installation for long anchor rods, and has complex structure and large occupied space.
Along with continuous upgrading of intelligent construction of coal mines, new requirements are provided for automatic anchor rod and anchor rope support, full-automatic continuous operation of the anchor rod and the anchor rope is realized, and urgent requirements for underground roadway support construction of the coal mines are met. However, the anchor rod and anchor cable installation equipment at home and abroad at present has the problem that complete automation cannot be realized.
Disclosure of Invention
In view of the above, the invention provides a turnover type avoidance system and a avoidance method for a coal mine drilling machine, and aims to solve the problems in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
a convertible avoidance system for a coal mine drilling rig, comprising: a bracket; the support is provided with a drilling box propelling mechanism, a drilling rod bin and a manipulator; the output end of the drill box propelling mechanism is movably connected with a drill box swinging oil cylinder and a drill box; the output end of the drill box swinging oil cylinder is movably connected to the drill box; the drill rod bin and the manipulator are arranged on the same side of the bracket; the drill box swinging oil cylinder is arranged on one side, far away from the manipulator, of the drill box propelling mechanism.
Preferably, the drill box propelling mechanism comprises a drill box propelling oil cylinder, a chain wheel, a chain and a drill box propelling seat; the piston rod of the drill box propulsion oil cylinder is fixedly connected to the bracket; the cylinder barrel of the drilling box propulsion cylinder is connected to the piston rod of the drilling box propulsion cylinder in a sliding manner; the drill box pushing seat is arranged on the bracket in a sliding manner; two sides of a cylinder barrel of the drilling box propulsion cylinder are rotatably connected with two chain wheels; each chain wheel is provided with one chain; one end of each chain is fixedly connected to the support, and the other end of each chain is fixedly connected to the drill box propelling seat.
Preferably, the bracket is provided with two guide rods; the two guide rods are symmetrically arranged at two sides of the drill box pushing oil cylinder; guide holes matched with the guide rods are formed in two sides of the drill box pushing seat; the drill box pushing seat is connected to the guide rod in a sliding manner through the guide hole.
Preferably, the drill box is rotatably connected to the drill box pushing seat through a first pin shaft.
Preferably, the output end of the drill box swinging oil cylinder is rotationally connected to the drill box through a second pin shaft.
Preferably, a guide plate is arranged on the drill box pushing seat; an arc-shaped guide groove is formed in the guide plate; the second pin shaft extends and passes through the arc-shaped guide groove.
Preferably, a fixed seat is arranged on the drill box pushing seat; the upper end face and the lower end face of the drill box swinging oil cylinder are respectively provided with a rotating shaft; the drill box swinging oil cylinder is rotationally connected to the fixing seat through the rotating shaft.
Preferably, the fixing seat is provided with a buffer mechanism; the buffer mechanism comprises a sleeve, a compression spring and a telescopic rod; the sleeve is fixedly connected to the fixed seat; the telescopic rod is connected in the sleeve in a sliding manner, and one end, away from the fixed seat, of the telescopic rod extends to the outside of the sleeve; the compression spring is arranged in the sleeve; the compression spring is located between the fixing seat and the telescopic rod.
Preferably, a chute is formed in the inner wall of the sleeve; correspondingly, a sliding block matched with the sliding groove is arranged on the outer wall of the telescopic rod; the sliding block is connected in the sliding groove in a sliding way.
The overturning avoidance method for the coal mine drilling machine, which utilizes the overturning avoidance system for the coal mine drilling machine, comprises the following steps of:
s1: before working, firstly loading the anchor rod and the anchor cable into a drill rod bin, rotating the drill rod bin to a designated position, carrying out drilling operation on a coal mine drilling machine, returning a drill rod after the operation is completed, then swinging a manipulator into a gripping anchor rod and the anchor cable, keeping a clamping state of the manipulator, waiting for the drill box to avoid, and keeping an initial position by a buffer mechanism;
s2: the drilling box swinging oil cylinder starts to work, a piston rod of the drilling box swinging oil cylinder is retracted, the drilling box is pulled to swing to a preset position along the arc-shaped guide groove, an avoidance space is provided for installing an anchor rod and an anchor cable, in the process, a telescopic rod of the buffer mechanism is in contact with the drilling box, a compression spring is compressed, acting force of the drilling box swinging oil cylinder is reduced, structural strength is guaranteed, and meanwhile stability in the movement process is guaranteed;
s3: the mechanical arm clamps the anchor rod and the anchor cable to swing to the center of the drilled hole, and the anchor rod and the anchor cable are conveyed into the drilled hole through the mechanical arm until the bottom of the anchor rod and the anchor cable exceeds the top of the drilling box;
s4: the drill box swinging oil cylinder is controlled to push the drill box to swing to the center position of a drill hole along the arc-shaped guide groove, the telescopic rod is separated from contact with the drill box, the telescopic rod is restored to the initial position under the action of the compression spring, and the drill box pushing mechanism drives the drill box to rise until the drill box rises to the bottom of the anchor rod and the anchor cable;
s5: the chuck of the drilling box is controlled to clamp the bottom of the anchor rod and the anchor cable, the drilling box propelling mechanism continues to drive the drilling box to ascend so as to convey the anchor rod and the anchor cable into the drilled hole, and the drilling box is controlled to be fastened in a rotating mode.
Compared with the prior art, the invention has the following technical effects:
1) According to the invention, by arranging the drilling box propelling mechanism, the manipulator, the drill rod bin, the drilling box swinging oil cylinder and the drilling box, the drilling machine can automatically avoid anchor rods and anchor ropes of different specifications in the supporting construction of the anchor rods and anchor ropes of the coal mine tunnel, and the drilling-filling anchoring agent-inserting anchor rods and anchor ropes operation is realized, so that the full automation and the intellectualization of the drilling machine are realized, the intelligent supporting operation of the coal mine can be realized, the number of operators is saved, the operation time is saved, and the operation efficiency is greatly improved;
2) The drilling box propulsion oil cylinder, the chain wheel and the chain are matched to serve as a power source of the drilling box, so that the whole system structure is more compact, the drilling box propulsion oil cylinder can be used in smaller coal mine roadways, and the requirements of supporting construction operation of the coal mine roadways can be met;
3) According to the invention, the arc-shaped guide groove is used for guiding the second pin shaft, so that the drill box can perform avoidance operation according to the specified track operation, and the drill can realize full-automatic intelligent operation;
4) The avoidance system can realize full-automatic operation, can effectively save labor cost, avoid man-machine alternate waste time, greatly improve the operation efficiency, and has simple integral structure and small occupied space.
Drawings
FIG. 1 is an isometric view of a rollover avoidance system for a coal mine drilling rig of the present invention;
FIG. 2 is an isometric view of a coal mine drilling rig of the present invention with a guide bar removed by a rollover avoidance system;
FIG. 3 is a cross-sectional view of the inverted evasion system for a coal mine drill of the present invention with the guide bar removed;
FIG. 4 is a left side view of the buffer mechanism, drill box swing cylinder and drill box connection;
FIG. 5 is a top view of the buffer mechanism, drill box swing cylinder and drill box connection;
FIG. 6 is a cross-sectional view of the cushioning mechanism;
FIG. 7 is a view showing the construction of the interior of the sleeve;
FIG. 8 is a schematic view of a telescopic rod;
FIG. 9 is a schematic view of the structure of the guide plate;
FIG. 10 is a schematic diagram of an initial state of the avoidance system prior to operation;
FIG. 11 is a cross-sectional view taken along section line A-A of FIG. 10;
FIG. 12 is a schematic diagram of an avoidance system operating condition;
FIG. 13 is a cross-sectional view taken along section line B-B of FIG. 12;
FIG. 14 is a schematic diagram of a back-off system recovering an initial state;
FIG. 15 is a cross-sectional view taken along line C-C of FIG. 14;
in the figure: 1. a bracket; 2. a drill box propelling mechanism; 201. a drilling box pushing oil cylinder; 202. a sprocket; 203. a chain; 204. a drill box pushing seat; 3. a drill rod bin; 4. a manipulator; 5. a buffer mechanism; 501. a sleeve; 502. a compression spring; 503. a telescopic rod; 504. a stop block; 6. a drilling box swinging oil cylinder; 7. drilling a box; 8. a guide rod; 9. a first pin; 10. a second pin; 11. a guide plate; 12. an arc-shaped guide groove; 13. a fixing seat; 14. a rotating shaft; 15. a chute; 16. a slide block; 17. anchor rod and anchor cable; 18. a bolt; 19. a cotter pin; 20. rotating the copper sleeve; 21. and (5) swinging the copper sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1-15, the invention discloses a turnover type avoiding system for a coal mine drilling machine, which comprises the following components: a bracket 1; the bracket 1 is provided with a drilling box propelling mechanism 2, a drilling rod bin 3 and a manipulator 4; the output end of the drilling box propelling mechanism 2 is movably connected with a drilling box swinging oil cylinder 6 and a drilling box 7; the output end of the drilling box swinging oil cylinder 6 is movably connected to the drilling box 7; the drill rod bin 3 and the manipulator 4 are arranged on the same side of the bracket 1; the drill box swinging oil cylinder 6 is arranged at one side of the drill box propelling mechanism 2 far away from the manipulator 4;
when the drilling machine is used, firstly, the anchor rod and the anchor cable 17 are installed in the drill rod bin 3, the drill rod bin 3 rotates to a designated position, the coal mine drilling machine performs drilling operation, the drill rod is retracted after the operation is completed, then the manipulator 4 swings into the grabbing anchor rod and the anchor cable 17, the manipulator 4 keeps a clamping state to wait for the drill box 7 to avoid, the drill box swinging oil cylinder 6 starts working, the drill box swinging oil cylinder 6 pulls the drill box 7 to swing to a preset position to provide an avoidance space for installing the anchor rod and the anchor cable 17, the manipulator 4 clamps the anchor rod and the anchor cable 17 to swing to a drilling center position, the anchor rod and the anchor cable 17 are conveyed into the drilled drilling hole through the manipulator 4 until the bottom of the anchor rod and the anchor cable 17 exceeds the top of the drill box 7, the drill box swinging oil cylinder 6 is controlled to push the drill box 7 to swing to the drilling center position, the drilling box propelling mechanism 2 drives the drilling box 7 to ascend until the drilling box 7 ascends to the bottom of the anchor rod and anchor rope 17, the chuck of the drilling box 7 is controlled to clamp the bottom of the anchor rod and anchor rope 17, the drilling box propelling mechanism 2 continues to drive the drilling box 7 to ascend to convey the anchor rod and anchor rope 17 into the drill holes completely, and the drilling box 7 is controlled to be fastened in a rotating mode, so that the drilling machine can automatically avoid anchor rod and anchor rope of different specifications in the supporting construction of the anchor rod and anchor rope of the coal mine tunnel, drilling-filling anchoring agent-inserting anchor rod and anchor rope operation is realized, full automation and intellectualization of the drilling machine are realized, intelligent supporting operation of the coal mine can be realized, the number of operators is saved, the operating time is saved, and the operating efficiency is greatly improved.
In the present embodiment, the drill box propelling mechanism 2 includes a drill box propelling cylinder 201, a sprocket 202, a chain 203, and a drill box propelling seat 204; the drilling box propelling oil cylinder adopts a double-acting piston type hydraulic cylinder with a fixed piston rod: a piston rod of the drill box propulsion cylinder 201 is fixedly connected to the bracket 1; the cylinder barrel of the drill box propulsion cylinder 201 is connected to the piston rod of the drill box propulsion cylinder 201 in a sliding manner and can move up and down along the piston rod of the drill box propulsion cylinder 201; the drill box pushing seat 204 is arranged on the bracket 1 in a sliding way; two chain wheels 202 are rotatably connected to the left and right sides of a cylinder barrel of the drilling box propulsion cylinder 201; each sprocket 202 is provided with a chain 203; one end of each chain 203 is fixedly connected to the bracket 1, and the other end of each chain 203 is fixedly connected to the drilling box propelling seat 204, so that two chains 203 and two chain wheels 202 positioned on the same side of the drilling box propelling cylinder 201 are not interfered with each other and form a pulley mechanism; the drill box swinging oil cylinder 6 and the drill box 7 are movably connected to the drill box pushing seat 204; when the hydraulic oil drilling machine is used, under the action of hydraulic oil, the cylinder barrel of the drilling box propulsion oil cylinder 201 moves up and down along the piston rod of the drilling box propulsion oil cylinder 201, the chain wheel 202 moves up and down and rotates under the drive of the cylinder barrel of the drilling box propulsion oil cylinder 201, so that the chain 203 moves around the chain wheel while moving up and down, the chain 203 drives the drilling box propulsion seat 204 to move up and down, the drilling box propulsion seat 204 drives the drilling box swinging oil cylinder 6 and the drilling box 7 to move up and down, the drilling box is moved up and down, the whole drilling box propulsion mechanism is compact in structure, and the whole avoidance system can be used in a smaller coal mine roadway, and the supporting construction operation of the coal mine roadway is met.
In this embodiment, two guide rods 8 are provided on the bracket 1; the two guide rods 8 are symmetrically arranged at the left side and the right side of the drill box propulsion cylinder 201; guide holes matched with the guide rods 8 are formed in the left side and the right side of the drill box pushing seat 204; the drill box pushing seat 204 is connected to the guide rod 8 in a sliding way through the guide hole; through setting up the guide bar, can play the guide effect to boring the case propulsion seat to can make boring the case remove more steadily.
In this embodiment, the drill box 7 is rotatably connected to the drill box pushing seat 204 by a first pin 9.
In this embodiment, the first pin 9 is fixedly connected to the drill box pushing seat 204 through the bolt 18, so that the first pin can be prevented from falling out in the avoidance system operation process, and the rotation stability of the drill box is improved.
In this embodiment, a rotary copper sleeve 20 is provided at the rotary connection between the drill box 7 and the first pin 9.
In this embodiment, the end of the piston rod of the drill box swing cylinder 6 is rotatably connected to the drill box 7 by a second pin 10.
In this embodiment, the second pin 10 is provided with a cotter 19.
In the present embodiment, the drill box pushing seat 204 is provided with a guide plate 11; the guide plate 11 is provided with an arc-shaped guide groove 12; the second pin 10 extends through the arcuate guide slot 12. When the intelligent drill box is used, the second pin shaft is guided through the arc-shaped guide groove, so that the drill box can operate according to a specified track, avoiding operation is performed, and the drill can realize full-automatic intelligent operation.
In the present embodiment, the drill box pushing seat 204 is provided with a fixed seat 13; the upper end face and the lower end face of the drilling box swinging oil cylinder 6 are respectively provided with a rotating shaft 14; the drill box swinging oil cylinder 6 is rotationally connected to the fixed seat 13 through a rotating shaft 14.
In this embodiment, a swinging copper sleeve 21 is provided at the rotation connection between the fixing base 13 and the rotating shaft 14.
In the present embodiment, the fixing base 13 is provided with a buffer mechanism 5; the cushioning mechanism 5 includes a sleeve 501, a compression spring 502, and a telescopic rod 503; the sleeve 501 is fixedly connected to the fixed seat 13; the telescopic rod 503 is slidably connected in the sleeve 501, and one end of the telescopic rod 503, which is far away from the fixed seat 13, extends to the outside of the sleeve 501; a compression spring 502 is disposed within the sleeve 501; compression spring 502 is located between anchor block 13 and telescoping rod 503; when the drilling box swinging oil cylinder 6 drives the drilling box 7 to swing towards the side close to the drilling box swinging oil cylinder 6, the drilling box 7 is in contact with the telescopic rod 503 and pushes the telescopic rod 503 to slide in the sleeve 501, the compression spring 502 is compressed, when the drilling box swinging oil cylinder 6 drives the drilling box 7 to swing towards the side far away from the drilling box swinging oil cylinder 6, the drilling box 7 is gradually separated from the telescopic rod 503, the telescopic rod 503 is restored to the original position under the action of the compression spring 502, and in the process, the buffering mechanism can reduce the propelling force of the drilling box swinging oil cylinder to the drilling box, ensure stable movement process and no impact, and ensure the structural strength of the system and the stability of the drilling machine.
In this embodiment, the sleeve 501 is a cylindrical structure with two ends open; one end of the sleeve 501 is fixedly connected to the fixed seat, and the other end of the sleeve 501 is in threaded connection with a stop block 504; the stop block 504 is provided with a through hole for the telescopic rod 503 to pass through; the stop block 504 can play a limiting role on the telescopic rod 503 on the premise of not influencing the normal operation of the buffer mechanism, so as to prevent the telescopic rod from being separated from the sleeve.
In the present embodiment, a chute 15 is formed on the inner wall of the sleeve 501; correspondingly, the outer wall of the telescopic rod 503 is provided with a sliding block 16 which is matched with the sliding groove 15; the sliding block 16 is slidably connected in the sliding groove 15, so as to improve the stability of the sliding process of the telescopic rod.
In this embodiment, the drill box pushing seat 204 includes a pushing plate and guide blocks disposed on the left and right sides of the pushing plate; one end of each of the four chains 203 is fixedly connected to the propulsion plate; and each guide block is provided with a guide hole along the vertical direction for sliding connection of the guide rod 8.
The invention also discloses a turnover avoidance method for the coal mine drilling machine, which comprises the following steps of:
s1: before working, firstly, loading the anchor rod and anchor cable 17 into the drill rod bin 3, rotating the drill rod bin 3 to a designated position, carrying out drilling operation by the coal mine drilling machine, returning the drill rod after the operation is completed, then swinging the manipulator 4 into the anchor rod and anchor cable 17, keeping the manipulator 4 in a clamping state, waiting for the drill box 7 to avoid, and keeping the buffer mechanism 5 in an initial position;
s2: the drilling box swinging oil cylinder 6 starts to work, a piston rod of the drilling box swinging oil cylinder 6 is retracted, the drilling box 7 is pulled to swing to a preset position along the arc-shaped guide groove 12, an avoidance space is provided for installing the anchor rod and the anchor cable 17, in the process, the telescopic rod 503 of the buffer mechanism 5 is contacted with the drilling box 7, the compression spring 502 is compressed, the acting force of the drilling box swinging oil cylinder 6 is reduced, the structural strength is ensured, and meanwhile, the stable movement process is ensured;
s3: the mechanical arm 4 clamps the anchor rod and anchor cable 17 to swing to the center of the drilled hole, and the anchor rod and anchor cable 17 is conveyed into the drilled hole through the mechanical arm 4 until the bottom of the anchor rod and anchor cable 17 exceeds the top of the drilling box 7;
s4: the drilling box swinging oil cylinder 6 is controlled to push the drilling box 7 to swing to the central position of a drilling hole along the arc-shaped guide groove 12, the telescopic rod 503 is gradually separated from the drilling box 7, the telescopic rod 503 is restored to the initial position under the action of the compression spring 502, and the drilling box pushing mechanism 2 drives the drilling box 7 to ascend until the drilling box 7 ascends to the bottom of the anchor rod and the anchor cable 17;
s5: the chuck of the control drill box 7 clamps the bottom of the anchor rod and anchor cable 17, the drill box propelling mechanism 2 continues to drive the drill box 7 to ascend to convey the anchor rod and anchor cable 17 into the drilled hole, the control drill box 7 is rotated and fastened, and the anchor cable and anchor rod installation is completed.
In this embodiment, after the installation of the anchor rod and the anchor cable 17 is completed, the drill box 7, the manipulator 4 and the drill rod bin 3 return to the original positions, so that the avoidance system is restored to the original state, and the next installation is convenient.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention still fall within the scope of the technical solutions of the present invention.
Claims (10)
1. A convertible avoidance system for a coal mine drilling rig, comprising: a bracket (1); the drill box propelling mechanism (2), the drill rod bin (3) and the manipulator (4) are arranged on the support (1); the output end of the drill box propelling mechanism (2) is movably connected with a drill box swinging oil cylinder (6) and a drill box (7); the output end of the drill box swinging oil cylinder (6) is movably connected to the drill box (7); the drill rod bin (3) and the manipulator (4) are arranged on the same side of the bracket (1); the drill box swinging oil cylinder (6) is arranged on one side, away from the manipulator (4), of the drill box propelling mechanism (2).
2. The turnover type avoidance system for the coal mine drilling machine according to claim 1, wherein the drill box propulsion mechanism (2) comprises a drill box propulsion cylinder (201), a sprocket (202), a chain (203) and a drill box propulsion seat (204); a piston rod of the drill box propulsion oil cylinder (201) is fixedly connected to the bracket (1); the cylinder barrel of the drilling box pushing cylinder (201) is connected to the piston rod of the drilling box pushing cylinder (201) in a sliding manner; the drill box pushing seat (204) is arranged on the bracket (1) in a sliding manner; two sides of a cylinder barrel of the drilling box pushing cylinder (201) are rotatably connected with two chain wheels (202); each chain wheel (202) is provided with one chain (203); one end of each chain (203) is fixedly connected to the support (1), and the other end of each chain (203) is fixedly connected to the drill box propelling seat (204).
3. The turnover type avoiding system for the coal mine drilling machine according to claim 2, wherein two guide rods (8) are arranged on the support (1); the two guide rods (8) are symmetrically arranged at two sides of the drill box pushing oil cylinder (201); guide holes matched with the guide rods (8) are formed in two sides of the drill box pushing seat (204); the drill box pushing seat (204) is connected to the guide rod (8) in a sliding manner through the guide hole.
4. A tilting avoidance system for coal mine drilling rigs according to claim 2 wherein the drill box (7) is pivotally connected to the drill box propulsion seat (204) by a first pin (9).
5. The turnover type avoiding system for the coal mine drilling machine according to claim 2, wherein the output end of the drill box swinging oil cylinder (6) is rotatably connected to the drill box (7) through a second pin shaft (10).
6. The turnover type avoiding system for the coal mine drilling machine according to claim 5, wherein a guide plate (11) is arranged on the drill box pushing seat (204); an arc-shaped guide groove (12) is formed in the guide plate (11); the second pin (10) extends through the arcuate guide slot (12).
7. The turnover type avoiding system for the coal mine drilling machine according to claim 2, wherein a fixed seat (13) is arranged on the drill box pushing seat (204); the upper end face and the lower end face of the drilling box swinging oil cylinder (6) are respectively provided with a rotating shaft (14); the drill box swinging oil cylinder (6) is rotationally connected to the fixed seat (13) through the rotating shaft (14).
8. The turnover type avoiding system for the coal mine drilling machine according to claim 7, wherein a buffer mechanism (5) is arranged on the fixed seat (13); the buffer mechanism (5) comprises a sleeve (501), a compression spring (502) and a telescopic rod (503); the sleeve (501) is fixedly connected to the fixed seat (13); the telescopic rod (503) is slidably connected in the sleeve (501), and one end, away from the fixed seat (13), of the telescopic rod (503) extends to the outside of the sleeve (501); the compression spring (502) is arranged in the sleeve (501); the compression spring (502) is located between the fixed seat (13) and the telescopic rod (503).
9. The turnover type avoiding system for the coal mine drilling machine according to claim 8, wherein a chute (15) is formed on the inner wall of the sleeve (501); correspondingly, a sliding block (16) matched with the sliding groove (15) is arranged on the outer wall of the telescopic rod (503); the sliding block (16) is connected in the sliding groove (15) in a sliding way.
10. A method for avoiding a coal mine drilling machine, characterized in that the method for avoiding a coal mine drilling machine by using the turnover type system for avoiding a coal mine drilling machine according to any one of claims 1 to 9 comprises the following steps:
s1: before working, firstly, the anchor rod and the anchor cable (17) are put into the drill rod bin (3), the drill rod bin (3) rotates to a designated position, the coal mine drilling machine performs drilling operation, the drill rod is retracted after the operation is completed, then the manipulator (4) swings into the anchor rod and anchor cable (17) to be grabbed, the manipulator (4) keeps a clamping state to wait for the drill box (7) to avoid, and the buffer mechanism (5) keeps an initial position;
s2: the drilling box swinging oil cylinder (6) starts to work, a piston rod of the drilling box swinging oil cylinder (6) is retracted, the drilling box (7) is pulled to swing to a preset position along the arc-shaped guide groove (12), an avoidance space is provided for installing an anchor rod and an anchor cable (17), in the process, a telescopic rod (503) of the buffer mechanism (5) is in contact with the drilling box (7), a compression spring (502) is compressed, the acting force of the drilling box swinging oil cylinder (6) is reduced, the structural strength is ensured, and meanwhile, the stable movement process is ensured;
s3: the mechanical arm (4) clamps the anchor rod and the anchor cable (17) to swing to the center of the drilled hole, and the anchor rod and the anchor cable (17) are conveyed into the drilled hole through the mechanical arm (4) until the bottom of the anchor rod and the anchor cable (17) exceeds the top of the drilling box (7);
s4: the drilling box swinging oil cylinder (6) is controlled to push the drilling box (7) to swing to the central position of a drilling hole along the arc-shaped guide groove (12), the telescopic rod (503) is separated from contact with the drilling box (7), the telescopic rod (503) is restored to the initial position under the action of the compression spring (502), and the drilling box pushing mechanism (2) drives the drilling box (7) to ascend until the drilling box (7) ascends to the bottom of the anchor rod and anchor cable (17);
s5: the chuck of the control drill box (7) clamps the bottom of the anchor rod and anchor cable (17), the drill box propelling mechanism (2) continuously drives the drill box (7) to ascend to convey the anchor rod and anchor cable (17) into the drilled hole, and the control drill box (7) is rotated and fastened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310305248.8A CN116335734A (en) | 2023-03-27 | 2023-03-27 | Turnover type avoiding system and avoiding method for coal mine drilling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310305248.8A CN116335734A (en) | 2023-03-27 | 2023-03-27 | Turnover type avoiding system and avoiding method for coal mine drilling machine |
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| CN116335734A true CN116335734A (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310305248.8A Pending CN116335734A (en) | 2023-03-27 | 2023-03-27 | Turnover type avoiding system and avoiding method for coal mine drilling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116816305A (en) * | 2023-07-28 | 2023-09-29 | 莱州亚通重型装备有限公司 | Portable maintenance device for coal mine drilling box |
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2023
- 2023-03-27 CN CN202310305248.8A patent/CN116335734A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116816305A (en) * | 2023-07-28 | 2023-09-29 | 莱州亚通重型装备有限公司 | Portable maintenance device for coal mine drilling box |
| CN116816305B (en) * | 2023-07-28 | 2024-03-26 | 莱州亚通重型装备有限公司 | Portable maintenance device for coal mine drilling box |
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