CN114562218A - Ratchet wheel type automatic loading and unloading forward and reverse rotation communication drill rod of coal mine drilling robot - Google Patents
Ratchet wheel type automatic loading and unloading forward and reverse rotation communication drill rod of coal mine drilling robot Download PDFInfo
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- CN114562218A CN114562218A CN202210231541.XA CN202210231541A CN114562218A CN 114562218 A CN114562218 A CN 114562218A CN 202210231541 A CN202210231541 A CN 202210231541A CN 114562218 A CN114562218 A CN 114562218A
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- push rod
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- 238000005553 drilling Methods 0.000 title claims abstract description 49
- 239000003245 coal Substances 0.000 title claims abstract description 19
- 238000004891 communication Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 210000000078 claw Anatomy 0.000 claims description 86
- 210000001503 joint Anatomy 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 4
- 241001074085 Scophthalmus aquosus Species 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
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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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
- E21B17/043—Threaded with locking means
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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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
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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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
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- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a ratchet type automatic loading and unloading forward and reverse rotation communication drill rod of a coal mine drilling robot, which relates to the technical field of drilling tools and comprises at least two drill rod bodies, wherein the insides of sleeves are sequentially provided with mandrels, and the mandrels are movably arranged inside the drill rod bodies and are used for butting against the other drill rod body; the extension mechanism is installed in a manner of abutting against the mandrel and drives the mandrel to extend out of or retract into the drill rod body; the trigger mechanism drives the extension mechanism to push the mandrel forwards; and the ratchet wheel locking module is used for locking two adjacent drill rod bodies in the circumferential direction and the axial direction. This colliery drilling robot's ratchet formula auto-control handling just reverse rotation communication drilling rod can realize that the drilling rod just reverses and cushions not hard up and handle and embrace the brill accident, and the drilling machine also can realize the communication transmission between the drilling rod by auto-control handling drilling rod simultaneously, provides technical support for really realizing on-the-spot whole unmanned drilling construction to the drilling machine has broken away from artifical auxiliary operation when using this drilling rod, has reduceed workman's intensity of labour.
Description
Technical Field
The invention relates to the technical field of drilling tools, in particular to a ratchet type automatic loading and unloading forward and reverse rotation communication drill rod of a coal mine drilling robot.
Background
At present, most drill rods used in underground coal mine drilling construction are in conical threaded connection and can only meet one-way turn-knob requirements, but in the actual drilling process, hole collapse is easily caused under the influence of a complex stratum, and further drilling clamping and holding accidents are caused. The conventional threaded connection type drill rod cannot be reversely rotated, so that the stuck releasing capability of the conventional threaded connection type drill rod is poor. And all need artifical scene supplementary dismantlement, can not utilize the rig to carry out mechanical automatic dismantlement, reduced the operating efficiency.
In the future, the underground drilling construction of the coal mine gradually realizes automation and intellectualization, so that when an accident of drilling blocking or holding in a hole occurs, the drilling machine is required to automatically judge and carry out forward and reverse rotation operation so as to realize the loosening and releasing of rock debris. The drill rod of the currently used square joint or spline housing structure can realize the function of forward and reverse rotation, but cannot realize the automatic disassembly of the drilling machine, so the operation requirement of the automatic drilling machine cannot be met.
Therefore, aiming at the problems that the existing underground coal mine forward and reverse rotatable drill rod needs manual matching when being detached and the automatic detachment of the drilling machine cannot be realized, the invention provides a ratchet type automatic assembling and disassembling forward and reverse rotatable communication drill rod of a coal mine drilling robot, a simple mechanism is added in a one-way rotating threaded drill rod, the assembling and disassembling of the forward and reverse rotatable drill rod of the whole drilling machine are realized by utilizing the mechanical matching of the mechanism, and the manual auxiliary operation is separated.
Disclosure of Invention
The invention aims to provide a ratchet type automatic loading and unloading forward and reverse rotation communication drill rod of a coal mine drilling robot, and aims to solve the problems that the existing underground coal mine forward and reverse rotation drill rods in the background technology need manual matching when being disassembled, and automatic disassembly of a drilling machine cannot be realized.
In order to achieve the purpose, the invention provides the following technical scheme: a ratchet type automatic loading and unloading forward and reverse rotation communication drill rod of a coal mine drilling robot comprises a drill rod body, wherein at least two drill rod bodies are arranged, two ends of the drill rod body are in an open shape, the drill rod body comprises a sleeve, a first joint and a second joint, the sleeve is a hollow cylindrical pipe with two open ends, the first joint and the second joint are respectively and fixedly installed at two ends of the sleeve, an internal thread is reserved on the inner wall of the first joint, an external thread matched with the internal thread of the first joint is reserved on the outer side of the second joint, the two drill rod bodies are in forward and reverse butt joint through the first joint and the second joint, a clamping groove is reserved on the inner wall of the sleeve along the length direction of the inner wall of the sleeve, a mandrel (7), an extension mechanism (6), a trigger mechanism (5) and a ratchet locking module (4) are sequentially installed inside the sleeve,
the mandrel is movably arranged inside the drill rod body and is used for butting another drill rod body;
the extension mechanism is installed in a manner of abutting against the mandrel and drives the mandrel to extend out of or retract into the drill rod body;
the trigger mechanism is installed in a manner of abutting against the extension rod of the rotary machine and drives the extension mechanism to push the mandrel forwards;
the core shaft is fixedly butted with the ratchet wheel locking modules in the adjacent drill rod bodies, and the ratchet wheel locking modules are used for locking the adjacent two drill rod bodies in the circumferential direction and the axial direction;
and the mandrel, the extension mechanism and the trigger mechanism are all provided with spring reset mechanisms.
Preferably, the ratchet locking module, the triggering mechanism, the extending mechanism and the mandrel form a dismounting structure with the drill rod body.
Preferably, the ratchet locking module comprises a ratchet casing, a pawl and a ratchet, the ratchet casing is hollow and tubular, the ratchet casing and the sleeve are in threaded connection at one end of the first joint, the pawl is mounted on the inner wall of the ratchet casing, the pawl and the ratchet inside the ratchet casing form a ratchet structure, the thread meshing direction of the ratchet casing and the sleeve is opposite to that of the first joint and the second joint, the rotation direction of the ratchet is opposite to that of the ratchet casing and the sleeve, a spline groove is reserved on the inner wall of the ratchet along the length direction of the inner wall of the ratchet, and a spline bump matched with the shape of the ratchet groove is reserved on the side surface of the mandrel.
Preferably, the trigger mechanism comprises a first bushing, a first sliding claw, a second sliding claw, a first sliding claw guide rail, a second sliding claw guide rail, a first spring, a connecting rod and a second spring, wherein the first bushing is in a hollow tubular shape, a clamping block matched with a clamping groove in the inner wall of the drill rod body is arranged on the side surface of the first bushing along the length direction of the first bushing, the first sliding claw and the second sliding claw are positioned in the first bushing, the first sliding claw and the second sliding claw are formed by dividing a hollow cylinder, extension pieces with the radian of a quarter circumference are respectively and symmetrically reserved on opposite surfaces of the first sliding claw and the second sliding claw, two second sliding claw guide rails matched with the second sliding claw in shape are formed between the extension pieces of the second sliding claw, two first sliding claw guide rails matched with the first sliding claw in shape are formed between the extension pieces of the second sliding claw, the ports of the two extension pieces on the first sliding claw are in an inclined shape and opposite inclined directions, the ports of two extending pieces on the second sliding claw are arranged to be inclined and opposite in inclination direction, the first sliding claw is sleeved with a first spring, a convex block for positioning the first spring is arranged on the outer side of the extending piece of the second sliding claw, a connecting rod is arranged at the middle position of the other end of the second sliding claw, and the connecting rod is sleeved with a second spring.
Further preferably, the first bushing comprises two semicircular tubular members divided along the length direction of the first bushing.
Preferably, the extension mechanism comprises a second bushing, a push rod, a third sliding claw, a third spring, a push rod rotating tooth, a third sliding claw rotating tooth, a second bushing through hole, a fourth sliding claw, a push rod positioning block, a first push rod positioning block guide rail and a second push rod positioning block guide rail, the second bushing is hollow and tubular, a clamping block matched with a clamping groove in the inner wall of the drill rod body is arranged on the side surface of the second bushing along the length direction of the second bushing in a long way, a second bushing through hole matched with the diameter of the connecting rod is reserved at one end, facing the connecting rod, of the second bushing, the push rod is installed in the second bushing, push rod positioning blocks are symmetrically arranged at the end opening of the outer side of the push rod, the third spring is sleeved on the push rod, two fourth sliding claws are symmetrically arranged at the other end of the second bushing along the length direction of the second bushing, a first push rod positioning block guide rail matched with the width of the push rod positioning block is formed between the two fourth sliding claws, a second push rod positioning block guide rail is reserved on an external port of the fourth sliding claw, the depth of the second push rod positioning block guide rail is smaller than that of the first push rod positioning block guide rail, a third sliding claw is arranged at one end, opposite to the connecting rod, of the push rod, a push rod rotating tooth and a third sliding claw rotating tooth are respectively arranged on opposite surfaces of the push rod and the third sliding claw, and the push rod and the third sliding claw form a circumferential rotating structure through the push rod rotating tooth and the third sliding claw rotating tooth.
Preferably, the mandrel is sleeved with a fourth spring, and the size of the fourth spring is larger than that of an opening of the drill rod body at the end of the mandrel.
Compared with the prior art, the invention has the beneficial effects that: the ratchet wheel type automatic assembling and disassembling forward and reverse rotation communication drill rods of the coal mine drilling robot realize locking or unlocking among the drill rods through the ratchet wheel locking module, realize forward and reverse rotation of the drill rods, buffer loosening to process drill holding accidents, and meanwhile, a drilling machine can also automatically assemble and disassemble the drill rods, thereby providing technical support for really realizing on-site whole-course unmanned drilling construction; the manual auxiliary operation is separated, and the labor intensity of workers is reduced.
Drawings
FIG. 1 is a schematic view of an overall internal cross-sectional structure of the present invention;
FIG. 2 is a schematic illustration of an explosive structure of the elongation mechanism of the present invention;
FIG. 3 is a schematic structural view of a third sliding jaw of the present invention;
FIG. 4 is a schematic view of a partial explosion configuration of the triggering mechanism of the present invention;
FIG. 5 is a schematic diagram of an explosive structure of the triggering mechanism of the present invention;
FIG. 6 is a schematic structural diagram of the ratchet locking module of the present invention.
In the figure: 1. a sleeve; 2. a first joint; 3. a second joint; 4. a ratchet wheel locking module; 401. a ratchet housing; 402. a pawl; 403. a ratchet wheel; 5. a trigger mechanism; 501. a first bushing; 502. a first sliding jaw; 503. a second sliding jaw; 504. a first sliding jaw guide rail; 505. a second sliding jaw guide rail; 506. a first spring; 507. a connecting rod; 508. a second spring; 6. an elongation mechanism; 601. a second bushing; 602. a push rod; 603. a third sliding jaw; 604. a third spring; 605. the push rod rotates the tooth; 606. a third sliding pawl rotating tooth; 607. a second bushing through hole; 608. a fourth sliding jaw; 609. a push rod positioning block; 6010. a first push rod positioning block guide rail; 6011. a second push rod positioning block guide rail; 7. a mandrel; 8. and a fourth spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-6, the present invention provides a technical solution: a ratchet type automatic loading and unloading forward and reverse rotation communication drill rod of a coal mine drilling robot comprises a drill rod body, at least two drill rod bodies are arranged, two ends of each drill rod body are in an open shape, each drill rod body comprises a sleeve 1, a first joint 2 and a second joint 3, each sleeve 1 is a hollow cylindrical pipe with two open ends, the first joint 2 and the second joint 3 are fixedly installed at two ends of each sleeve 1 respectively, internal threads are reserved on the inner wall of each first joint 2, external threads matched with the internal threads of the first joints 2 are reserved on the outer sides of the second joints 3, the two drill rod bodies are in forward and reverse butt joint through the first joints 2 and the second joints 3, clamping grooves are reserved on the inner wall of each sleeve 1 along the length direction of the inner wall, a mandrel 7, an extending mechanism 6, a triggering mechanism 5 and a ratchet locking module 4 are sequentially installed inside each sleeve 1,
the mandrel 7 is movably arranged in the drill rod body and is used for butting another drill rod body;
the extension mechanism 6, the extension mechanism 6 and the mandrel 7 are installed in an abutting mode, and the extension mechanism 6 drives the mandrel 7 to extend out or retract into the drill rod body;
the trigger mechanism 5 is installed in a mode that the trigger mechanism 5 is abutted to the extension rod of the rotary machine, and the trigger mechanism 5 drives the extension mechanism 6 to push the mandrel 7 forwards;
the ratchet wheel locking modules 4 are fixedly butted with the ratchet wheel locking modules 4 in the adjacent drill rod bodies through the mandrel 7, and the ratchet wheel locking modules 4 are used for locking the adjacent two drill rod bodies in the circumferential direction and the axial direction;
the mandrel 7, the extension mechanism 6 and the trigger mechanism 5 are all provided with spring reset mechanisms.
Preferably, the ratchet locking module 4, the triggering mechanism 5, the extending mechanism 6 and the mandrel 7 form a disassembly structure with the drill rod body.
As a further preference, the ratchet locking module 4 includes a ratchet housing 401, a pawl 402 and a ratchet 403, the ratchet housing 401 is hollow tubular, the ratchet housing 401 and the sleeve 1 are in threaded connection at one end of the first adapter 2, the pawl 402 is mounted on the inner wall of the ratchet housing 401, the pawl 402 and the ratchet 403 inside the ratchet housing 401 form a ratchet structure, the thread engagement direction of the ratchet housing 401 and the sleeve 1 is opposite to the thread engagement direction of the first adapter 2 and the second adapter 3, the rotation direction of the ratchet 403 is opposite to the thread engagement direction of the ratchet housing 401 and the sleeve 1, a spline groove is reserved on the inner wall of the ratchet 403 along the length direction, and a spline bump in fit with the shape of the spline groove of the ratchet 403 is reserved on the side surface of the mandrel 7.
Preferably, the triggering mechanism 5 comprises a first bushing 501, a first sliding claw 502, a second sliding claw 503, a first sliding claw guide rail 504, a second sliding claw guide rail 505, a first spring 506, a connecting rod 507 and a second spring 508, wherein the first bushing 501 is hollow tubular, a clamping block matched with a clamping groove on the inner wall of the drill rod body is arranged on the side surface of the first bushing 501 along the length direction, the first sliding claw 502 and the second sliding claw 503 are positioned inside the first bushing 501, the first sliding claw 502 and the second sliding claw 503 are divided by a hollow cylinder, extension pieces with radian of a quarter circumference are respectively reserved on the opposite surfaces of the first sliding claw 502 and the second sliding claw 503, two second sliding claw guide rails 505 matched with the second sliding claw 503 in shape are formed between the extension pieces of the first sliding claw 502, two first sliding claw guide rails 504 matched with the first sliding claw 502 in shape are formed between the extension pieces of the second sliding claw 503, the ports of two extending pieces on the first sliding claw 502 are inclined and opposite in inclination direction, the ports of two extending pieces on the second sliding claw 503 are inclined and opposite in inclination direction, the first sliding claw 502 is sleeved with a first spring 506, the outer side of the extending piece of the second sliding claw 503 is provided with a convex block for positioning the first spring 506, the middle position of the other end of the second sliding claw 503 is provided with a connecting rod 507, and the connecting rod 507 is sleeved with a second spring 508.
As a further preferred, the first liner 501 comprises two semicircular tubular pieces divided along the length direction of the first liner 501.
Preferably, the extension mechanism 6 includes a second bushing 601, a push rod 602, a third sliding jaw 603, a third spring 604, a push rod rotating tooth 605, a third sliding jaw rotating tooth 606, a second bushing through hole 607, a fourth sliding jaw 608, a push rod positioning block 609, a first push rod positioning block guide rail, 6010, and a second push rod positioning block guide rail 6011, the second bushing 601 is hollow tubular, a side surface of the second bushing 601 is provided with a clamping block matching with a clamping groove in the inner wall of the drill rod body along the length direction, one end of the second bushing 601 facing the connecting rod 507 is reserved with a second bushing through hole 607 matching with the diameter size of the connecting rod 507, the push rod 602 is installed inside the second bushing 601, a push rod positioning block 609 is symmetrically arranged at an outer port of the push rod 602, the push rod 602 is sleeved with the third spring 604, the other end of the second bushing 601 is symmetrically provided with two fourth sliding jaws 608 along the length direction, a first push rod positioning block guide rail 6010 matching with the width of the push rod positioning block 609 is formed between the two fourth sliding jaws 608, a second push rod positioning block guide rail 6011 is reserved on an external port of the fourth sliding jaw 608, the depth of the second push rod positioning block guide rail 6011 is smaller than that of the first push rod positioning block guide rail 6010, a third sliding jaw 603 is arranged at one end, opposite to the connecting rod 507, of the push rod 602, a push rod rotating tooth 605 and a third sliding jaw rotating tooth 606 are arranged on opposite surfaces of the push rod 602 and the third sliding jaw 603 respectively, the push rod 602 and the third sliding jaw 603 form a circumferential rotating structure through the push rod rotating tooth 605 and the third sliding jaw rotating tooth 606, and the structure is similar to a pressing spring pen structure and can realize two states of extending blocking and retracting blocking of the spindle 7.
Preferably, the mandrel 7 is sleeved with a fourth spring 8, and the size of the fourth spring 8 is larger than the size of the opening of the drill rod body at the end of the mandrel 7.
The working principle of the invention will be explained in detail below:
two drill rod bodies are in positive and negative butt joint through a first joint 2 and a second joint 3, a front extension rod of a drilling machine is firstly connected with one drill rod body, the connection mode is connected through a threaded joint, the front extension rod of the drilling machine activates a trigger mechanism 5 of the drill rod body, a first sliding claw 502 and a second sliding claw 503 in the trigger mechanism 5 relatively push the second sliding claw 503 under the limiting action of a first sliding claw guide rail 504 and a second sliding claw guide rail 505, so that a connecting rod 507 is driven to enable a push rod 602 in an extension mechanism 6 to move out of a first push rod positioning block guide rail, under the limiting action of a push rod rotating tooth 605 and a third sliding claw rotating tooth 606 on the push rod 602 and a third sliding claw 603, the push rod 602 rotates and enables a push rod positioning block 609 to be pushed forwards in a first push rod guide rail 6010, and finally is clamped in a second push rod positioning block guide rail 6011, under the acting force of a third spring 604 and a fourth spring 8, the push rod 602 is clamped and pushes out the mandrel 7, and at the moment, the second connector 3 of the drill rod body is in threaded connection with the first connector 1 of the other drill rod body under the driving of the drilling machine, and the mandrel 7 on the upper side is connected with the spline clamping groove of the ratchet 403 in the drill rod body on the lower side. And after the two drill rods are connected, the threads and the ratchet mechanism complete forward and reverse locking.
The automatic disassembly work sequence of the drill rod is as follows: after the drill rod body is connected, the drilling machine is disconnected with the drill rod body, the drilling machine is connected with the drill rod body again, the forward extending rod of the drilling machine repeats the steps while the drilling machine is connected, the trigger mechanism 5 enables the forward extending structure 6 to push the mandrel 7 again, under the limiting action of the push rod rotating teeth 605 and the third sliding claw rotating teeth 606 on the push rod 602 and the third sliding claw 603, the push rod 602 rotates and enables the push rod positioning block 609 to be separated from the second push rod positioning block guide rail 6011 and enter the first push rod positioning block guide rail 6010 again, under the action of the third spring 604 and the fourth spring 8, the push rod 602 is clamped and retracts the mandrel 7, finally the mandrel 7 is disconnected from the ratchet wheel spline clamping groove of the drill rod body 403, the communication joint is separated, and the two drill rods are turned into thread unidirectional locking. At the moment, the two drill rod bodies are driven by the drilling machine to rotate reversely, so that the disconnection is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a communication drilling rod is just reversing to ratchet formula auto-control handling of colliery drilling robot which characterized in that: comprises at least two drill rod bodies, wherein two ends of each drill rod body are open, the drill rod body comprises a sleeve (1), a first joint (2) and a second joint (3), the sleeve (1) is a hollow cylindrical pipe with openings at two ends, the first joint (2) and the second joint (3) are respectively and fixedly installed at two ends of the sleeve (1), an internal thread is reserved on the inner wall of the first joint (2), an external thread matched with the internal thread of the first joint (2) is reserved on the outer side of the second joint (3), the two drill rod bodies are in positive and negative butt joint through the first joint (2) and the second joint (3), a clamping groove is reserved on the inner wall of the sleeve (1) along the length direction of the inner wall, a mandrel (7), an extension mechanism (6), a trigger mechanism (5) and a ratchet locking module (4) are sequentially installed inside the sleeve (1), and the drill rod body is characterized in that,
the mandrel (7) is movably arranged inside the drill rod body, and is used for butting another drill rod body;
the extension mechanism (6) is installed in a mode that the extension mechanism (6) is abutted to the mandrel (7), and the extension mechanism (6) drives the mandrel (7) to extend out or retract into the drill rod body;
the trigger mechanism (5) is installed in a manner that the trigger mechanism (5) is abutted to the extension rod of the rotary machine, and the trigger mechanism (5) drives the extension mechanism (6) to push the mandrel (7) forwards;
the core shaft (7) is fixedly butted with the ratchet wheel locking modules (4) in the adjacent drill rod bodies, and the ratchet wheel locking modules (4) are used for locking the adjacent two drill rod bodies in the circumferential direction and the axial direction;
and spring reset mechanisms are arranged on the mandrel (7), the extension mechanism (6) and the trigger mechanism (5).
2. The ratchet type automatic loading and unloading forward and reverse rotation communication drill rod of the coal mine drilling robot according to claim 1, wherein: the ratchet wheel locking module (4), the triggering mechanism (5), the extending mechanism (6) and the mandrel (7) form a dismounting structure with the drill rod body.
3. The ratchet type automatic loading and unloading forward and reverse rotation communication drill rod of the coal mine drilling robot as claimed in claim 2, wherein: the ratchet locking module (4) comprises a ratchet casing (401), a pawl (402) and a ratchet (403), the ratchet casing (401) is in a hollow tubular shape, the ratchet housing (401) and the sleeve (1) are in threaded connection at one end of the first joint (2), a pawl (402) is mounted on the inner wall of the ratchet housing (401), the pawl (402) and a ratchet (403) in the ratchet housing (401) form a ratchet structure, the thread meshing direction of the ratchet housing (401) and the sleeve (1) is opposite to that of the first joint (2) and the second joint (3), the rotation direction of the ratchet (403) is opposite to that of the ratchet housing (401) and the sleeve (1), and a spline groove is reserved on the inner wall of the ratchet (403) along the length direction of the inner wall, and a spline bump matched with the shape of the spline groove of the ratchet wheel (403) is reserved on the side surface of the mandrel (7).
4. The ratchet type automatic loading and unloading forward and reverse rotation communication drill rod of the coal mine drilling robot according to claim 1, wherein: the trigger mechanism (5) comprises a first lining (501), a first sliding claw (502), a second sliding claw (503), a first sliding claw guide rail (504), a second sliding claw guide rail (505), a first spring (506), a connecting rod (507) and a second spring (508), wherein the first lining (501) is in a hollow tubular shape, a clamping block matched with a clamping groove in the inner wall of the drill rod body is arranged on the side surface of the first lining (501) along the length direction of the first lining, the first sliding claw (502) and the second sliding claw (503) are positioned in the first lining (501), the first sliding claw (502) and the second sliding claw (503) are formed by dividing a hollow cylinder, extension sheets with a quarter circumference are respectively and symmetrically reserved on the opposite surfaces of the first sliding claw (502) and the second sliding claw (503), two second sliding claw guide rails (505) matched with the second sliding claw (503) in shape are formed between the extension sheets of the first sliding claw (502), two first sliding claw guide rails (504) matched with the first sliding claws (502) in shape are formed between the extension pieces of the second sliding claws (503), ports of the two extension pieces on the first sliding claws (502) are inclined and opposite in inclination direction, ports of the two extension pieces on the second sliding claws (503) are inclined and opposite in inclination direction, the first sliding claws (502) are sleeved with first springs (506), the outer sides of the extension pieces of the second sliding claws (503) are provided with convex blocks for positioning the first springs (506), the middle positions of the other ends of the second sliding claws (503) are provided with connecting rods (507), and the connecting rods (507) are sleeved with second springs (508).
5. The ratchet type automatic loading and unloading forward and reverse rotation communication drill rod of the coal mine drilling robot as claimed in claim 4, wherein: the first bushing (501) comprises two semicircular tubular pieces which are divided along the length direction of the first bushing (501).
6. The ratchet type automatic loading and unloading forward and reverse rotation communication drill rod of the coal mine drilling robot according to claim 1, wherein: the extension mechanism (6) comprises a second bushing (601), a push rod (602), a third sliding claw (603), a third spring (604), a push rod rotating tooth (605), a third sliding claw rotating tooth (606), a second bushing through hole (607), a fourth sliding claw (608), a push rod positioning block (609), a first push rod positioning block guide rail (6010) and a second push rod positioning block guide rail (6011), wherein the second bushing (601) is in a hollow tubular shape, a clamping block matched with a clamping groove in the inner wall of the drill rod body is arranged on the side surface of the second bushing (601) along the length direction of the second bushing, a second bushing through hole (607) matched with the diameter of the connecting rod (507) is reserved at one end, facing the connecting rod (507), of the second bushing (601), the push rod (602) is installed inside, push rod positioning blocks (609) are symmetrically arranged at the outer side port of the push rod (602), the third spring (604) is sleeved on the push rod (602), two fourth sliding pawls (608) are symmetrically arranged at the other end of the second bushing (601) along the length direction of the second bushing, a first push rod positioning block guide rail (6010) matched with the width of a push rod positioning block (609) is formed between the two fourth sliding pawls (608), a second push rod positioning block guide rail (6011) is reserved on an external port of the fourth sliding pawl (608), the depth of the second push rod positioning block guide rail (6011) is smaller than that of the first push rod positioning block guide rail (6010), a third sliding pawl (603) is arranged at one end, back to the connecting rod (507), of the push rod (602), of the third sliding pawl (603), a push rod rotating tooth (605) and a third sliding pawl rotating tooth (606) are arranged on opposite surfaces of the push rod (602) and the third sliding pawl (603), and the push rod (602) and the third sliding pawl (603) form a circumferential rotating structure through the push rod rotating tooth (605) and the third sliding pawl rotating tooth (606).
7. The ratchet type automatic loading and unloading forward and reverse rotation communication drill rod of the coal mine drilling robot according to claim 1, wherein: and a fourth spring (8) is sleeved on the mandrel (7), and the size of the fourth spring (8) is larger than that of an opening of the drill rod body at the end of the mandrel (7).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210231541.XA CN114562218B (en) | 2022-03-10 | 2022-03-10 | Ratchet type automatic loading and unloading forward and reverse rotation communication drill rod of coal mine drilling robot |
| NL2032272A NL2032272B1 (en) | 2022-03-10 | 2022-06-24 | Ratchet-type automatic-assembling-and- disassembling forward-and-reverse-rotatable communication drill pipe for coal mine drilling robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210231541.XA CN114562218B (en) | 2022-03-10 | 2022-03-10 | Ratchet type automatic loading and unloading forward and reverse rotation communication drill rod of coal mine drilling robot |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114562218A true CN114562218A (en) | 2022-05-31 |
| CN114562218B CN114562218B (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210231541.XA Active CN114562218B (en) | 2022-03-10 | 2022-03-10 | Ratchet type automatic loading and unloading forward and reverse rotation communication drill rod of coal mine drilling robot |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114562218B (en) |
| NL (1) | NL2032272B1 (en) |
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| CN112576204A (en) * | 2020-10-18 | 2021-03-30 | 中煤科工集团重庆研究院有限公司 | Ratchet type drill rod capable of rotating forwards and backwards |
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| CN111946286B (en) * | 2020-09-09 | 2022-11-15 | 新疆华油油气工程有限公司 | Lifting rotary reversing tool |
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| CN214091750U (en) * | 2020-10-18 | 2021-08-31 | 中煤科工集团重庆研究院有限公司 | Ratchet type drill rod assembly capable of rotating forwards and reversely |
| CN112360354B (en) * | 2020-11-29 | 2023-03-14 | 重庆梅安森科技股份有限公司 | Mining drill rod assembly capable of rotating forwards and backwards |
| CN112664147B (en) * | 2020-12-07 | 2022-11-25 | 中煤科工集团重庆研究院有限公司 | Tooth-embedded stop type forward and reverse rotation drill rod |
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- 2022-03-10 CN CN202210231541.XA patent/CN114562218B/en active Active
- 2022-06-24 NL NL2032272A patent/NL2032272B1/en active
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|---|---|---|---|---|
| CN106014284A (en) * | 2016-07-11 | 2016-10-12 | 钟鸣远 | Spline socket buckling-type mine forward-backward rotating drill stem connector |
| CN112343521A (en) * | 2020-10-18 | 2021-02-09 | 中煤科工集团重庆研究院有限公司 | Ratchet self-locking drill rod capable of rotating forwards and reversely |
| CN112576204A (en) * | 2020-10-18 | 2021-03-30 | 中煤科工集团重庆研究院有限公司 | Ratchet type drill rod capable of rotating forwards and backwards |
| CN112145093A (en) * | 2020-10-23 | 2020-12-29 | 中煤科工集团重庆研究院有限公司 | Series control automatic loading and unloading drill rod capable of rotating forward and backward |
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Also Published As
| Publication number | Publication date |
|---|---|
| NL2032272B1 (en) | 2023-12-20 |
| NL2032272A (en) | 2023-09-13 |
| CN114562218B (en) | 2023-05-02 |
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