CN116856860B - Drill rod convenient to adjust height for coal mining - Google Patents
Drill rod convenient to adjust height for coal mining Download PDFInfo
- Publication number
- CN116856860B CN116856860B CN202311126160.6A CN202311126160A CN116856860B CN 116856860 B CN116856860 B CN 116856860B CN 202311126160 A CN202311126160 A CN 202311126160A CN 116856860 B CN116856860 B CN 116856860B
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- Prior art keywords
- rod
- sliding
- spring
- frame
- gear
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- 239000003245 coal Substances 0.000 title claims abstract description 35
- 238000005065 mining Methods 0.000 title claims abstract description 18
- 238000005553 drilling Methods 0.000 claims abstract description 71
- 230000000903 blocking effect Effects 0.000 claims description 63
- 230000007246 mechanism Effects 0.000 claims description 58
- 230000000087 stabilizing effect Effects 0.000 claims description 30
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 239000011435 rock Substances 0.000 abstract description 3
- 239000002893 slag Substances 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B17/22—Rods or pipes with helical structure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
Abstract
The application relates to the field of drill pipes, in particular to a drill pipe convenient to adjust the height for coal mining. The application provides the drill rod which can prolong the drilling depth and has good stability and is convenient to adjust the height for coal mining. The utility model provides a be convenient for height-adjusting's drilling rod for coal mining, includes support frame, driving motor, carriage, first gear train, outer drilling rod, linear slide rail etc.; the front part and the rear part of the support frame are connected with linear slide rails, a sliding frame is connected between the two linear slide rails through a sliding block, the left part of the sliding frame is connected with a driving motor, the middle part of the sliding frame is rotationally connected with an outer drill rod, and a first gear set is fixedly connected between the upper part of the outer drill rod and an output shaft of the motor. The outer drill rod is used for drilling holes in the coal mine underground soft protruding coal seam, broken rock slag is continuously conveyed out of the holes, the drilling depth is prolonged through the inner drill rod, and the stabilizer rod is inserted into the soft coal seam, so that stability in drilling is improved.
Description
Technical Field
The application relates to the field of drill pipes, in particular to a drill pipe convenient to adjust the height for coal mining.
Background
The coal mine drill rod is a consumable tool accessory for mines, the high-efficiency twist drill rod is generally used for a coal seam drilling spiral drilling machine, and the high-efficiency twist drill rod is an ideal and indispensable tool for coal mining.
Patent publication number CN217632302U discloses a coal mining is with drilling rod of being convenient for height-adjusting, including sleeve pipe and adjustment mechanism, the sleeve pipe sliding sleeve has connected the drilling rod main part, drilling rod main part bottom is provided with the retaining member, drilling rod main part bottom is passed through retaining member movable mounting has the drill bit, adjustment mechanism includes lead screw, driving motor and lifter plate, the lead screw rotate install in inside the sleeve pipe, the lead screw is provided with two, two the lead screw is about the drilling rod main part is the symmetry setting, two the lead screw transmission is connected, driving motor is fixed in inside the sleeve pipe, driving motor with the lead screw transmission is connected, the lifter plate with drilling rod main part top is fixed mutually, the lifter plate both ends are threaded sleeve joint respectively in adjacent the lead screw.
This colliery exploitation is with drilling rod of being convenient for height-adjusting drives two lead screws through driving motor and rotates simultaneously, and the lead screw rotates in order to drive lifter plate at the inside vertical removal of sleeve pipe to drive the drilling rod main part and carry out vertical removal thereupon, thereby adjust the drilling rod main part at the inside height that locates of sleeve pipe. However, the drilling depth of the drill rod is limited, when a deeper hole needs to be drilled, the longer drill rod needs to be replaced, and the stability during drilling can be affected due to the fact that the drill rod is lengthened, so that the operation difficulty is increased. How to design a drilling rod that can prolong drilling depth, and the colliery exploitation that stability is better is with being convenient for height-adjusting is the technical problem that this patent needs to solve.
Disclosure of Invention
In order to overcome the defects that the drilling depth is limited in the prior art, when a deeper hole needs to be drilled, a longer drill rod needs to be replaced, the stability during drilling is affected by lengthening the drill rod, and the operation difficulty is increased, the application aims to provide the drill rod which can prolong the drilling depth and is good in stability and is convenient to adjust for coal mining.
The embodiment of the application provides a drill rod convenient for height adjustment for coal mining, which comprises a support frame, a driving motor, a sliding frame, a first gear set, an outer drill rod and a linear sliding rail, wherein the front part and the rear part of the support frame are connected with the linear sliding rail, the sliding frame is connected between the linear sliding rail through a sliding block, the left part of the sliding frame is connected with the driving motor, the middle part of the sliding frame is rotatably connected with the outer drill rod, the first gear set is fixedly connected between the upper part of the outer drill rod and an output shaft of the driving motor, the first gear set consists of two gears, and the two gears are meshed with each other.
More preferably, adjustment mechanism is including interior drilling rod, the guide link, the slip baffle, all-gear, the link, rotatory cardboard, first spring, the second gear train, the bracing piece, pivot and second spring, the inside threaded connection of outer drilling rod has the interior drilling rod that is used for extension drilling degree of depth, interior drilling rod upper end is connected with the guide link, the guide link stretches out outer drilling rod, both sides all slidingtype connection has the slip baffle around the carriage right part, be connected with the second spring between slip baffle all and the carriage, be connected with the link between the slip baffle, the link moves down and can contact with support frame right lower part, be connected with first spring between slip baffle all and the link, the elasticity of a first spring is greater than the sum of the elasticity of two second springs, the carriage right part rotation type is connected with the pivot, the pivot middle part sliding connection has rotatory cardboard, rotatory cardboard screens are between the slip baffle, the pivot lower part is connected with all-gear, the gear mesh with the gear of first gear train right side, the carriage middle part is connected with the bracing piece, be connected with the second gear train between bracing piece and the second gear train, the second gear train comprises two gears, the second gear train is connected with the second gear train, the right side of rotation of the second gear train is connected with the right side gear train, the right side gear train and the rotation hole is connected with the second gear train, the right side gear train rotation hole is connected with the second gear set, the right side gear and the right side gear is connected with the rotation gear set of the right-side gear and the lug.
More preferably, the stabilizing mean is including pressing down the pole, block the pole, the fourth spring, guide bar and stabilizer bar, both sides all are connected with down the pole around the carriage bottom, both sides all are connected with and block the pole about pressing down, block the pole and be T shape setting, it all is connected with the fourth spring to press down the pole with pressing down between the gliding blocking pole on the pole, both sides all bilateral symmetry are connected with the guide bar around the support frame upper portion, block the pole and move down and can contact with the guide bar lower part, both sides all are connected with the stabilizer bar that is used for inserting stability when soft coal seam improves drilling down, the bayonet socket has all been opened to stabilizer bar upper portion inboard, block in the bayonet socket of stabilizer bar.
More preferably, the lower part of the guide rod is arranged in a V shape.
More preferably, the device further comprises a loosening mechanism for preventing the inner drill rod from shrinking upwards, the loosening mechanism comprises a lifting rod, a supporting seat, a resistance rod, a fifth spring and a supporting plate, the front part and the rear part of the supporting rod are connected with the lifting rod in a sliding mode, the guiding connecting rod is connected with the supporting plate in a sliding mode, the lifting rod is in contact with the supporting plate, the left side and the right side of the top of the outer drill rod are connected with the supporting seat, the upper portion of the supporting seat is connected with the resistance rod in a sliding mode, the guiding connecting rod is clamped by the resistance rod, the fifth spring is connected between the supporting seat and the resistance rod sliding on the upper portion of the supporting seat, and the resistance rod is located on the upper side of the supporting plate.
More preferably, trapezoidal blocks are arranged on the front side and the rear side of the top of the spreader plate.
More preferably, the device further comprises a supporting mechanism for reinforcing and supporting the soft coal seam, the supporting mechanism comprises a pressing frame, pressing rods, sixth springs, magnetic blocks and rotating rods, the lower portions of the stabilizing rods are rotationally connected with the rotating rods, the upper portions of the rotating rods are connected with the pressing rods in a threaded mode, the pressing rods are connected with the pressing frames in a sliding mode, the blocking rods move downwards and are in contact with the pressing frames, the sixth springs are connected between the pressing rods and the pressing frames sliding on the upper portions of the pressing rods, the magnetic blocks are connected with the magnetic blocks in a sliding mode at uniform intervals, and the magnetic blocks are attracted with the rotating rods.
More preferably, the device further comprises a clamping mechanism for locking the inner drill rod, the clamping mechanism comprises a sliding rod, a clamping rod and a seventh spring, the sliding rod is connected to the right side of the sliding frame in a sliding mode, the clamping rod is connected between the sliding rods, the upper portion of the clamping rod hooks the sliding guide plate, the seventh spring is connected between the lower portion of the clamping rod and the sliding frame, the seventh spring is sleeved on the sliding rod, and the elastic coefficient of the second spring is larger than that of the seventh spring.
More preferably, the drill rod drilling device further comprises a separating mechanism for adjusting the drilling depth of the inner drill rod, the separating mechanism comprises a separating frame, a blocking ring, a clamping rod and an eighth spring, the separating frame is connected between the sliding guide plates, the blocking ring is connected to the guiding connecting rod in a sliding mode, the blocking ring moves downwards to be in contact with the separating frame, the clamping rods are connected to the left side and the right side of the blocking ring in a sliding mode, the eighth spring is connected between the clamping rods and the blocking ring, and the clamping rods are propped against the guiding connecting rod.
The application has the following advantages: drilling holes in a soft and protruding coal seam under a coal mine well through an outer drill rod, continuously conveying broken rock slag out of the holes, prolonging the drilling depth through an inner drill rod, and inserting a stabilizer rod into the soft coal seam to improve the stability during drilling; when the outer drill rod is used for drilling, the guide connecting rod is clamped through the resistance rod, so that the inner drill rod can be locked, and the inner drill rod is prevented from shrinking upwards; the stabilizer bar is outwards moved through the magnetic block, so that the stabilizer bar is inserted into a soft coal seam for reinforcement, and the stability during drilling is improved; the clamping rod moves leftwards to hook the sliding guide plate to limit the sliding guide plate, so that the inner drill rod can be locked when the drilling depth does not need to be prolonged; the blocking ring is moved up and down as required, and the interval between the blocking ring and the separating frame is adjusted, so that the sliding length of the guide connecting rod is adjusted, and the drilling depth of the inner drill rod can be adjusted.
Drawings
Fig. 1 is a schematic perspective view of the present application.
Fig. 2 is a schematic view of a partial perspective structure of the present application.
Fig. 3 is a schematic view of a first perspective of the adjusting mechanism of the present application.
Fig. 4 is a schematic view of a second perspective of the adjusting mechanism of the present application.
Fig. 5 is a schematic perspective view of a third view of the adjusting mechanism of the present application.
Fig. 6 is a schematic view of a fourth perspective view of the adjusting mechanism of the present application.
Fig. 7 is a schematic perspective view of a stabilizing mechanism according to the present application.
Fig. 8 is a schematic view of a first perspective view in cross-section of the stabilization mechanism of the present application.
Fig. 9 is a schematic cross-sectional second view perspective of the stabilization mechanism of the present application.
Fig. 10 is a schematic cross-sectional perspective view of a third perspective view of the stabilization mechanism of the present application.
Fig. 11 is a schematic perspective view of a first perspective view of the release mechanism of the present application.
Fig. 12 is a schematic view of a second perspective of the release mechanism of the present application.
Fig. 13 is a schematic view of a first perspective of the distracting mechanism of the present application.
Fig. 14 is a schematic view of a second perspective of the opening mechanism of the present application.
Fig. 15 is a schematic view of a partial perspective structure of the opening mechanism of the present application.
Fig. 16 is a schematic perspective view of a detent mechanism of the present application.
Fig. 17 is a schematic perspective view of the separating mechanism of the present application.
The marks of the components in the drawings are as follows:
1. a support frame; 2. a driving motor; 21. a carriage; 3. a first gear set; 4. an outer drill rod; 5. a linear slide rail; 6. an adjusting mechanism; 61. an inner drill rod; 62. a guide link; 63. a sliding guide plate; 64. all-gear; 65. a connecting frame; 66. rotating the clamping plate; 67. a first spring; 68. a second gear set; 69. a support rod; 610. a rotating shaft; 611. a second spring; 7. a stabilizing mechanism; 71. pressing down a rod; 72. a blocking lever; 73. a fourth spring; 74. a guide rod; 75. a stabilizer bar; 8. a release mechanism; 81. a lifting rod; 82. a support base; 83. a resistance rod; 84. a fifth spring; 85. an opening plate; 9. a spreading mechanism; 91. a pressing frame; 92. pressing a pressing rod; 93. a sixth spring; 94. a magnetic block; 95. a rotating rod; 10. a clamping mechanism; 101. a slide bar; 102. a clamping rod; 103. a seventh spring; 11. a separation mechanism; 1101. a separation frame; 1102. a blocking ring; 1103. a clamping rod; 1104. and an eighth spring.
Detailed Description
The following description of the technical solutions in the embodiments of the present application will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
The utility model provides a coal mining is with drilling rod of being convenient for height-adjusting, refer to fig. 1-10, including support frame 1, driving motor 2, carriage 21, first gear train 3, outer drilling rod 4, linear slide rail 5, adjustment mechanism 6 and stabilizing mean 7, linear slide rail 5 is all installed at two parts around the support frame 1, install carriage 21 through the slider between two linear slide rails 5, driving motor 2 is installed at carriage 21 left part, carriage 21 middle part rotation is connected with outer drilling rod 4, rigid coupling has first gear train 3 between the output shaft of outer drilling rod 4 upper portion and driving motor 2, first gear train 3 comprises two gears, two gears intermesh, be equipped with adjustment mechanism 6 between carriage 21 and the outer drilling rod 4, adjustment mechanism 6 is used for the extension drilling depth, be equipped with stabilizing mean 7 between support frame 1 and the carriage 21, stability is improved when stabilizing mean 7 is used for the drilling.
Referring to fig. 3 to 6, the adjusting mechanism 6 includes an inner drill rod 61, a guide link 62, sliding guide plates 63, a full gear 64, a connection frame 65, a rotating clamping plate 66, a first spring 67, a second gear set 68, a support rod 69, a rotating shaft 610 and a second spring 611, wherein the inner drill rod 61 is connected to the outer drill rod 4 in a threaded manner, the inner drill rod 61 is used for extending the depth of drilling, the guide link 62 is mounted at the upper end of the inner drill rod 61, the guide link 62 extends out of the outer drill rod 4, the sliding guide plates 63 are slidably connected to the front and rear sides of the right part of the sliding frame 21, two second springs 611 are mounted between the sliding guide plates 63 and the sliding frame 21, the connection frame 65 is slidably connected between the two sliding guide plates 63, the connection frame 65 is in contact with the right lower part of the supporting frame 1, the first spring 67 is mounted between the sliding guide plates 63 and the connection frame 65, and the elastic force of one first spring 67 is greater than the sum of the elastic forces of the two second springs 611, the right part of the sliding frame 21 is rotationally connected with a rotating shaft 610, the middle part of the rotating shaft 610 is slidingly connected with a rotating clamping plate 66, the rotating clamping plate 66 is clamped between two sliding guide plates 63, the lower part of the rotating shaft 610 is provided with a full gear 64, the full gear 64 is meshed with the gear on the right side of the first gear set 3, the middle part of the sliding frame 21 is provided with a supporting rod 69, a second gear set 68 is connected between the supporting rod 69 and the rotating shaft 610, the second gear set 68 consists of two gears, the two gears are meshed with each other, the gear on the left side of the second gear set 68 is rotationally connected with the supporting rod 69 and is slidingly connected with a guide connecting rod 62, the gear on the right side of the second gear set 68 is rotationally connected with the rotating shaft 610, the gear on the left side of the second gear set 68 is smaller than the gear on the right side of the second gear set 68, clamping holes are equidistantly arranged on the circumference of the middle part of the gear on the right side of the second gear set 68, the top of the rotating clamping plate 66 is provided with a bump, the rotating card 66 moves upward to cause the lugs to snap into the card holes of the right hand gear in the second gear set 68.
Referring to fig. 7-10, the stabilizing mechanism 7 includes a lower pressing rod 71, a blocking rod 72, a fourth spring 73, a guide rod 74 and a stabilizing rod 75, the lower pressing rod 71 is installed at the front and rear sides of the bottom of the sliding frame 21, the blocking rods 72 are slidably connected to the left and right sides of the two lower pressing rods 71, the blocking rods 72 are in a T-shaped arrangement, the fourth spring 73 is installed between the lower pressing rod 71 and the blocking rods 72 sliding on the lower pressing rod 71, the guide rods 74 are symmetrically installed at the front and rear sides of the upper portion of the supporting frame 1, the lower portion of the guide rods 74 is in a V-shaped arrangement, the blocking rods 72 move downwards to contact with the lower portion of the guide rods 74, the stabilizing rods 75 are slidably connected to the left and right sides of the lower pressing rod 71, the stabilizing rods 75 are used for being inserted into the soft coal seam to improve stability in drilling, bayonets are formed in the inner sides of the upper portion of the stabilizing rods 75, and the blocking rods 72 are inserted into bayonets of the stabilizing rods 75.
When in use, the driving motor 2 and the linear sliding rail 5 are started, the output shaft of the driving motor 2 is controlled to drive the outer drill rod 4 to rotate through the first gear set 3, the linear sliding rail 5 is controlled to drive the sliding frame 21 to move downwards through the sliding block, the sliding frame 21 drives the driving motor 2, the first gear set 3, the outer drill rod 4, the inner drill rod 61, the guide connecting rod 62, the sliding guide 63, the second spring 611, the connecting frame 65, the rotating clamping plate 66, the first spring 67, the second gear set 68, the supporting rod 69, the rotating shaft 610, the all-gear 64, the pressing rod 71, the blocking rod 72, the fourth spring 73 and the stabilizing rod 75 to move downwards, so that the outer drill rod 4 drills holes on a soft protruding coal seam and continuously conveys broken rock slag out of the holes, the inner drill rod 61 and the guide connecting rod 62 are driven to rotate through the outer drill rod 4, the guide connecting rod 62 drives the gear on the left side of the second gear set 68 to rotate, the gear at the left side of the second gear set 68 drives the gear at the right side of the second gear set 68 to rotate, the gear at the right side of the first gear set 3 drives the full gear 64 to rotate, the full gear 64 drives the rotating shaft 610 to rotate, the rotating shaft 610 drives the rotating clamping plate 66 to rotate, when the drilling depth needs to be prolonged, the linear sliding rail 5 is continuously controlled to drive the sliding frame 21 to move downwards through the sliding block, so that the connecting frame 65 contacts with the right lower part of the supporting frame 1, the connecting frame 65 stops moving under the blocking of the supporting frame 1, the sliding frame 21 drives the driving motor 2, the first gear set 3, the outer drill rod 4, the inner drill rod 61, the guide connecting rod 62, the sliding guide plate 63, the second spring 611, the rotating clamping plate 66, the second gear set 68, the supporting rod 69, the rotating shaft 610, the full gear 64, the pressing rod 71, the blocking rod 72, the fourth spring 73 and the stabilizing rod 75 to move downwards continuously, the first spring 67 is compressed, when the gear on the right side of the second gear set 68 rotates to enable the clamping hole to correspond to the protruding block on the rotating clamping plate 66, as the elastic force of one first spring 67 is larger than the sum of the elastic force of two second springs 611, the sliding guide plate 63 is driven to move upwards under the action of the reset of the first springs 67, the second springs 611 are compressed, the sliding guide plate 63 drives the rotating clamping plate 66 to move upwards to enable the protruding block to be clamped into the clamping hole of the right side gear in the second gear set 68, the linear sliding rail 5 is closed, the gear on the right side of the first gear set 3 drives the full gear 64 to rotate, the full gear 64 drives the rotating shaft 610 to rotate, the rotating shaft 610 drives the gear on the right side of the second gear set 68 to rotate through the rotating clamping plate 66, the gear on the right side of the second gear set 68 drives the gear on the left side of the second gear set 68 to rotate, the gear on the left side of the second gear set 68 drives the guiding connecting rod 62 to rotate, because the left gear of the second gear set 68 is smaller than the right gear of the second gear set 68, the rotation speed of the guide connecting rod 62 can be accelerated, the guide connecting rod 62 drives the inner drill rod 61 to rotate, the inner drill rod 61 stretches out of the outer drill rod 4, the drilling depth is prolonged through the inner drill rod 61, after drilling is finished, the output shaft of the driving motor 2 is controlled to drive the outer drill rod 4 to rotate reversely through the first gear set 3, the right gear of the first gear set 3 drives the full gear 64 to rotate reversely, the full gear 64 drives the rotating shaft 610 to rotate reversely, the rotating shaft 610 drives the right gear of the second gear set 68 to rotate reversely through the rotating clamping plate 66, the right gear of the second gear set 68 drives the left gear of the second gear set 68 to rotate reversely, the guide connecting rod 62 drives the inner drill rod 61 to rotate reversely and reset, the driving motor 2 is closed again, the linear slide rail 5 is started, the linear slide rail 5 is controlled to drive the slide frame 21 to move upwards through the slide block, the sliding frame 21 drives the driving motor 2, the first gear set 3, the outer drill rod 4, the inner drill rod 61, the guide connecting rod 62, the sliding guide 63, the second spring 611, the connecting frame 65, the rotating clamping plate 66, the first spring 67, the second gear set 68, the supporting rod 69, the rotating shaft 610, the all-gear 64, the lower pressing rod 71, the blocking rod 72, the fourth spring 73 and the stabilizing rod 75 move upwards for reset, and then under the effect of the reset of the second spring 611, the sliding guide 63 and the rotating clamping plate 66 are driven to reset by the first spring 67, the rotating clamping plate 66 is separated from the gear on the right side of the second gear set 68, the sliding guide 63 drives the connecting frame 65 to reset by the first spring 67, when the sliding frame 21 moves downwards, the sliding frame 21 drives the lower pressing rod 71 to move downwards by the blocking rod 72, so that the stabilizing rod 75 is inserted into a soft coal seam, stability during drilling is improved, when the blocking rod 72 contacts with the lower part of the guide rod 74, the blocking rod 72 is pressed inwards to move away from the stabilizing rod 75, the fourth spring 73 is compressed, so that the stabilizing rod 75 stops moving under the effect of the reset of the second spring 611, the sliding frame 21 drives the outer clamping plate 66 to separate from the gear on the right side of the second gear set 68, the sliding frame 63 drives the connecting frame 65 to reset by the first spring 67, when the sliding frame 71 moves upwards, and the sliding rod 71 moves downwards by the blocking rod 72 moves upwards by the blocking rod 72, so that the blocking rod 72 moves upwards by the blocking rod 72, and the blocking rod 72 moves upwards, and the stabilizing rod 75 moves upwards.
Example 2
On the basis of embodiment 1, refer to fig. 1, 11 and 12, further include a loosening mechanism 8 for preventing the inner drill rod 61 from shrinking upwards, the loosening mechanism 8 includes a lifting rod 81, a supporting seat 82, a resistance rod 83, a fifth spring 84 and a spreader plate 85, the front and rear parts of the supporting rod 69 are all connected with the lifting rod 81 in a sliding manner, the guide connecting rod 62 is connected with the spreader plate 85 in a sliding manner, trapezoidal blocks are arranged on the front and rear sides of the top of the spreader plate 85, the lower part of the lifting rod 81 is located at the lower side of the spreader plate 85, the lifting rod 81 is in contact with the spreader plate 85, the left and right sides of the top of the outer drill rod 4 are both provided with supporting seats 82, the upper parts of the supporting seats 82 are all connected with resistance rods 83 in a sliding manner, the resistance rods 83 clamp the guide connecting rod 62, the fifth springs 84 are installed between the supporting seats 82 and the resistance rods 83 sliding on the upper parts of the supporting seats 82, and the resistance rods 83 are located at the upper sides of the spreader plate 85.
When the sliding frame 21 moves downwards, the lifting rod 81, the supporting seat 82, the resistance rod 83, the fifth spring 84 and the opening plate 85 move downwards, when the connecting frame 65 is blocked to stop moving downwards, the lifting rod 81 moves downwards to be in contact with the connecting frame 65, under the blocking effect of the connecting frame 65, the lifting rod 81 stops moving, the opening plate 85 stops moving, the resistance rod 83 moves downwards to press the resistance rod 83 to move outwards to unlock the guide connecting rod 62, the fifth spring 84 is stretched, when the connecting frame 65 moves downwards to reset, the connecting frame 65 is separated from the lifting rod 81, and then the resistance rod 83 is driven to move inwards to clamp the guide connecting rod 62 under the reset effect of the fifth spring 84, so when drilling is carried out through the outer drill rod 4, the inner drill rod 61 can be locked, the inner drill rod 61 is prevented from shrinking upwards, and the resistance rod 83 presses the opening plate 85 and the lifting rod 81 to move downwards to reset.
Referring to fig. 1, 13, 14 and 15, the device further comprises a spreading mechanism 9, the spreading mechanism 9 comprises a pressing frame 91, pressing rods 92, sixth springs 93, magnetic blocks 94 and rotating rods 95, the rotating rods 95 are rotatably connected to the lower portions of the four stabilizing rods 75, the pressing rods 92 are connected to the upper portions of the rotating rods 95 in a threaded mode, the pressing frames 91 are slidably connected to the upper portions of the pressing rods 92, the blocking rods 72 are in contact with the pressing frames 91 in a downward movement mode, the sixth springs 93 are arranged between the pressing rods 92 and the pressing frames 91 sliding on the upper portions of the pressing rods 92, the magnetic blocks 94 are slidably connected to the lower portions of the four stabilizing rods 75 in an evenly spaced mode, and the magnetic blocks 94 are attracted to the rotating rods 95.
When the guide rod 74 extrudes the blocking rod 72 which moves downwards to move inwards, the blocking rod 72 is in contact with the pressing frame 91, the blocking rod 72 moves downwards to push the pressing frame 91 to move downwards, the sixth spring 93 is stretched, the pressing rod 92 is pulled to move downwards through the sixth spring 93, the pressing rod 92 drives the rotating rod 95 to rotate, the rotating rod 95 extrudes the magnetic block 94 to move outwards to stretch out the stabilizing rod 75, and therefore the stability of the soft coal seam is improved, when the blocking rod 72 moves outwards beyond the guide rod 74, the blocking rod 72 is separated from the pressing frame 91, and then the blocking rod 72 is driven to move upwards under the action of reset of the sixth spring 93, when the blocking rod 72 which moves upwards is extruded by the guide rod 74 to move inwards, the blocking rod 72 is in contact with the pressing frame 91, the blocking rod 72 moves upwards to push the pressing frame 91 to move upwards, the sixth spring 93 is compressed, the pressing rod 92 is pushed to move upwards through the sixth spring 93 to drive the pressing rod 92 to reversely reset, the rotating rod 95 drives the magnetic block 94 to move inwards to reset, and when the blocking rod 72 moves beyond the guide rod 74 to move outwards, and the reset rod 91 is driven to move downwards under the action of reset spring 91.
Referring to fig. 1 and 16, the sliding mechanism further comprises a clamping mechanism 10, the clamping mechanism 10 comprises a sliding rod 101, a clamping rod 102 and a seventh spring 103, the right side of the sliding frame 21 is slidably connected with the two sliding rods 101, the clamping rod 102 is installed between the two sliding rods 101, the upper portion of the clamping rod 102 hooks the sliding guide plate 63, the two seventh springs 103 are installed between the lower portion of the clamping rod 102 and the sliding frame 21, the seventh spring 103 is sleeved on the sliding rod 101, and the elastic coefficient of the second spring 611 is larger than that of the seventh spring 103.
When the drilling depth needs to be prolonged, the clamping rod 102 is manually moved rightward to unlock the sliding guide plate 63, the seventh spring 103 is stretched, the sliding guide plate 63 can move upward to enable the protruding block to be clamped into the clamping hole of the right gear in the second gear set 68, the clamping rod 102 is loosened, the clamping rod 102 is driven to move leftwards under the reset action of the seventh spring 103 to reset, when the sliding guide plate 63 moves downwards to reset, the clamping rod 102 is extruded to move rightwards by the sliding guide plate 63 due to the fact that the elastic coefficient of the second spring 611 is larger than that of the seventh spring 103, the seventh spring 103 is stretched, when the sliding guide plate 63 passes over the upper portion of the clamping rod 102, the clamping rod 102 is driven to move leftwards to hook the sliding guide plate 63 under the reset action of the seventh spring 103, the sliding guide plate 63 is limited, and therefore the inner drill rod 61 can be locked when the drilling depth does not need to be prolonged.
Referring to fig. 1 and 17, the device further comprises a separating mechanism 11, the separating mechanism 11 comprises a separating frame 1101, a blocking ring 1102, a clamping rod 1103 and an eighth spring 1104, the separating frame 1101 is installed between the two sliding guide plates 63, the blocking ring 1102 is connected to the guide connecting rod 62 in a sliding mode, the blocking ring 1102 moves downwards to be in contact with the separating frame 1101, the clamping rods 1103 are connected to the left side and the right side of the blocking ring 1102 in a sliding mode, the eighth spring 1104 is installed between the clamping rods 1103 and the blocking ring 1102, and the clamping rods 1103 are abutted to the guide connecting rod 62.
When the depth of the drilled hole needs to be adjusted, the clamping rod 1103 is manually moved outwards to be separated from the guide connecting rod 62, the eighth spring 1104 is stretched, the blocking ring 1102 is moved up and down according to the requirement, the distance between the blocking ring 1102 and the separating frame 1101 is adjusted, so that the length of the downward sliding of the guide connecting rod 62 is adjusted, the drilling depth of the inner drilling rod 61 can be adjusted, after the drilling depth is adjusted, the clamping rod 1103 is loosened, the clamping rod 1103 is driven to move inwards to abut against the guide connecting rod 62 under the reset action of the eighth spring 1104, when the guide connecting rod 62 moves downwards, the blocking ring 1102, the clamping rod 1103 and the eighth spring 1104 are driven to move downwards, when the blocking ring 1102 is contacted with the separating frame 1101, the blocking ring 1102 pushes the separating frame 1101 to move downwards, the separating frame 1101 drives the sliding guide 63 to move downwards to be separated from a gear on the right side of the second gear set 68, the inner drilling rod 61 stops to continue downwards drilling, when the guide connecting rod 62 moves upwards to reset, the blocking ring 1102, the clamping rod 1103 and the eighth spring 1104 are driven to move upwards to reset, and when the sliding guide plate 1101 moves upwards to reset.
While the present disclosure has been shown and described with reference to certain exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present disclosure as defined by the appended claims and their equivalents. The scope of the disclosure should, therefore, not be limited to the above-described embodiments, but should be determined not only by the following claims, but also by the equivalents of the following claims.
Claims (7)
1. The utility model provides a drilling rod convenient to height-adjusting for coal mining, including support frame (1), driving motor (2), carriage (21), first gear train (3), outer drilling rod (4) and linear slide rail (5), both sides all are connected with linear slide rail (5) around support frame (1), be connected with carriage (21) through the slider between linear slide rail (5), carriage (21) left part is connected with driving motor (2), carriage (21) middle part rotation is connected with outer drilling rod (4), rigid coupling has first gear train (3) between the output shaft of outer drilling rod (4) upper portion and driving motor (2), first gear train (3) are constituteed by two gears, two gears intermesh, a serial communication port, still include adjustment mechanism (6) and stabilizing mean (7), be equipped with between carriage (21) and outer drilling rod (4) and be used for prolonging adjustment mechanism (6) of drilling depth, be equipped with between support frame (1) and carriage (21) and be used for improving stability when drilling;
the adjusting mechanism (6) comprises an inner drill rod (61), a guide connecting rod (62), a sliding guide plate (63), all gears (64), a connecting frame (65), a rotating clamping plate (66), a first spring (67), a second gear set (68), a supporting rod (69), a rotating shaft (610) and a second spring (611), wherein the inner drill rod (61) used for prolonging the drilling depth is connected inside the outer drill rod (4) in a threaded manner, the upper end of the inner drill rod (61) is connected with the guide connecting rod (62), the guide connecting rod (62) extends out of the outer drill rod (4), the sliding guide plates (63) are connected on the front side and the rear side of the right part of the sliding frame (21) in a sliding mode, a second spring (611) is connected between the sliding guide plates (63) and the sliding frame (21), the connecting frame (65) is connected between the sliding guide plates (63) in a sliding mode, the connecting frame (65) moves downwards to be contacted with the right lower part of the supporting frame (1), the elasticity of the first spring (67) is larger than the elasticity of the two second springs (611), the sliding guide plates (63) are connected with the right part of the rotating clamping plate (610), the rotary clamping plate (66) is clamped between the sliding guide plates (63), the lower part of the rotating shaft (610) is connected with a full gear (64), the full gear (64) is meshed with the gear on the right side of the first gear set (3), the middle part of the sliding frame (21) is connected with a supporting rod (69), a second gear set (68) is connected between the supporting rod (69) and the rotating shaft (610), the second gear set (68) consists of two gears, the two gears are meshed with each other, the gear on the left side of the second gear set (68) is rotationally connected with the supporting rod (69) and is slidingly connected with the guide connecting rod (62), the gear on the right side of the second gear set (68) is rotationally connected with the rotating shaft (610), the gear on the left side of the second gear set (68) is smaller than the gear on the right side of the second gear set (68), clamping holes are formed in the circumference of the middle part of the gear on the right side of the second gear set (68) at equal intervals, the top of the rotary clamping plate (66) is provided with lugs, and the lugs move upwards to enable the lugs to be clamped into the clamping holes of the gears on the right side of the second gear set (68);
the stabilizing mechanism (7) comprises a lower pressing rod (71), a blocking rod (72), a fourth spring (73), a guide rod (74) and a stabilizing rod (75), wherein the lower pressing rod (71) is connected to the front side and the rear side of the bottom of the sliding frame (21), the blocking rod (72) is connected to the left side and the right side of the lower pressing rod (71) in a sliding mode, the blocking rod (72) is arranged in a T-shaped mode, the fourth spring (73) is connected between the lower pressing rod (71) and the blocking rod (72) sliding on the lower pressing rod (71), the guide rod (74) is symmetrically connected to the front side and the rear side of the upper portion of the supporting frame (1), the blocking rod (72) moves downwards to be in contact with the lower portion of the guide rod (74), the stabilizing rod (75) used for being inserted into a soft coal seam to improve stability in drilling, bayonets are formed in the inner sides of the upper portion of the stabilizing rod (75).
2. A drill rod for coal mining that facilitates height adjustment according to claim 1, wherein the lower portion of the guide rod (74) is V-shaped.
3. The drill rod convenient to adjust the height for coal mining according to claim 1, further comprising a loosening mechanism (8) for preventing the inner drill rod (61) from shrinking upwards, wherein the loosening mechanism (8) comprises a lifting rod (81), a supporting seat (82), a resistance rod (83), a fifth spring (84) and a supporting plate (85), the lifting rod (81) is connected to the front portion and the rear portion of the supporting rod (69) in a sliding mode, the supporting plate (85) is connected to the guide connecting rod (62) in a sliding mode, the lifting rod (81) is in contact with the supporting plate (85), the supporting seat (82) is connected to the left side and the right side of the top of the outer drill rod (4), the resistance rod (83) is connected to the resistance rod (83) in a sliding mode, the supporting seat (82) is clamped with the guide connecting rod (62), the fifth spring (84) is connected between the resistance rod (83) sliding on the upper portion of the supporting seat (82), and the resistance rod (83) is located on the upper side of the supporting plate (85).
4. A drill rod for coal mining, which is convenient to adjust the height, according to claim 3, wherein trapezoid blocks are arranged on the front side and the rear side of the top of the spreader plate (85).
5. The drill rod convenient to adjust the height for coal mining according to claim 4, further comprising a supporting mechanism (9) for reinforcing and supporting a soft coal seam, wherein the supporting mechanism (9) comprises a pressing frame (91), a pressing rod (92), a sixth spring (93), a magnetic block (94) and a rotating rod (95), the rotating rod (95) is rotatably connected to the lower portion in the stabilizing rod (75), the pressing rod (92) is uniformly and spirally connected to the upper portion of the rotating rod (95), the pressing frame (91) is uniformly and slidably connected to the upper portion of the pressing rod (92), the blocking rod (72) moves downwards to be in contact with the pressing frame (91), the sixth spring (93) is connected between the pressing rods (92) and the pressing frame (91) sliding on the upper portion of the pressing rod (92), the magnetic block (94) is uniformly and slidingly connected to the lower portion of the stabilizing rod (75), and the magnetic block (94) is attracted with the rotating rod (95).
6. The drill rod for coal mining, which is convenient to adjust the height, according to claim 1, is characterized by further comprising a clamping mechanism (10) for locking the inner drill rod (61), wherein the clamping mechanism (10) comprises a sliding rod (101), a clamping rod (102) and a seventh spring (103), the sliding rod (101) is connected to the right side of the sliding frame (21) in a sliding mode, the clamping rod (102) is connected between the sliding rods (101), the upper portion of the clamping rod (102) hooks the sliding guide plate (63), the seventh spring (103) is connected between the lower portion of the clamping rod (102) and the sliding frame (21), the seventh spring (103) is sleeved on the sliding rod (101), and the elastic coefficient of the second spring (611) is larger than that of the seventh spring (103).
7. The drill rod for coal mining, which is convenient to adjust the height, according to claim 1, is characterized by further comprising a separating mechanism (11) for adjusting the drilling depth of the inner drill rod (61), wherein the separating mechanism (11) comprises a separating frame (1101), a blocking ring (1102), a clamping rod (1103) and an eighth spring (1104), the separating frame (1101) is connected between the sliding guide plates (63), the blocking ring (1102) is connected to the guiding connecting rod (62) in a sliding manner, the blocking ring (1102) moves downwards to be contacted with the separating frame (1101), the clamping rods (1103) are connected to the left side and the right side of the blocking ring (1102) in a sliding manner, the eighth spring (1104) is connected between the clamping rods (1103) and the blocking ring (1102), and the clamping rods (1103) are abutted to the guiding connecting rod (62).
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| CN202311126160.6A CN116856860B (en) | 2023-09-04 | 2023-09-04 | Drill rod convenient to adjust height for coal mining |
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| CN202311126160.6A CN116856860B (en) | 2023-09-04 | 2023-09-04 | Drill rod convenient to adjust height for coal mining |
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| CN116856860A (en) | 2023-10-10 |
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