CN117684890A - Drilling machine convenient for adjusting height of drill rod for coal mining - Google Patents
Drilling machine convenient for adjusting height of drill rod for coal mining Download PDFInfo
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- CN117684890A CN117684890A CN202410106693.6A CN202410106693A CN117684890A CN 117684890 A CN117684890 A CN 117684890A CN 202410106693 A CN202410106693 A CN 202410106693A CN 117684890 A CN117684890 A CN 117684890A
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- 238000005553 drilling Methods 0.000 title claims abstract description 56
- 239000003245 coal Substances 0.000 title claims abstract description 19
- 238000005065 mining Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 238000012546 transfer Methods 0.000 claims description 14
- 230000008602 contraction Effects 0.000 claims description 9
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 239000011295 pitch Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract 1
- 230000009471 action Effects 0.000 description 13
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 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
- 239000002689 soil Substances 0.000 description 1
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Abstract
The invention relates to the technical field of drilling machines, and provides a drilling machine which is used for coal mining and is convenient for adjusting the height of a drill rod, and the drilling machine comprises a drilling machine body, a drill rod main body, a drill boom, a rod feeding mechanism, a connecting mechanism, a rod storage mechanism and a rod adding and subtracting mechanism. Through above-mentioned technical scheme, the comparatively limited problem of drilling rod altitude mixture control scope among the prior art has been solved.
Description
Technical Field
The invention relates to the technical field of drilling machines, in particular to a drilling machine which is convenient for adjusting the height of a drill rod and used for coal mining.
Background
The drilling machine consists of machine, machine set and mechanism, and is one kind of mechanical equipment for driving drilling tool to drill underground to obtain physical geological data during exploration and mineral resource development, and has the main effect of driving the drilling tool to crush rock in hole bottom, and to pull or raise drilling tool inside hole.
For example, CN217632302U discloses a drill rod convenient for height adjustment for coal mining, which uses a screw rod to drive a drill rod main body to move inside a sleeve, so as to adjust the length of the drill rod main body inside the sleeve, so as to adjust the length of the drill rod, and perform drilling with different depths, but the drill rod main body and the sleeve are fixed in size, although the total length of the drill rod main body and the sleeve can be adjusted, the total length of the drill rod is limited, the highest depth of the drill hole is the total length of the sleeve and the drill rod main body, and the deeper drilling requirement is difficult to meet, so we propose a drill machine convenient for adjusting the height of the drill rod for coal mining, so as to realize higher-adaptability adjustment of the height of the drill rod.
Disclosure of Invention
The invention provides a drilling machine which is convenient for adjusting the height of a drill rod and used for coal mining, and solves the problem that the height adjusting range of the drill rod is limited in the related art.
The technical scheme of the invention is as follows:
the utility model provides a drilling machine convenient to adjust drilling rod height for coal mining, includes rig organism, drilling rod main part and boom, the top and the bottom of drilling rod main part are provided with thread connection cover and screwed connection head respectively, still includes:
the rod feeding mechanism is used for driving the drill rod main body to move along the drill arm, and comprises:
the movable seat is movably arranged on the drill boom;
the clamping assembly, the clamping assembly sets up remove on the seat, be used for right the drilling rod main part presss from both sides tightly, the clamping assembly includes:
the fixed disc is rotatably arranged on the movable seat, and a through hole for the drill rod main body to pass through is formed in the fixed disc;
the lifting plate can be lifted and rotatably arranged on the movable seat, and a through hole for the drill rod main body to pass through is formed in the lifting plate;
the first connecting rods are provided with a plurality of connecting rods, and the first connecting rods are rotatably arranged on the lifting plate;
the second connecting rod is rotatably arranged on the fixed disc, and one end of the second connecting rod is rotatably connected with the second connecting rod;
the clamping plate is in rotary connection with one end, far away from the first connecting rod, of the second connecting rod, and the clamping plate is in contact with the drill rod main body;
a stall assembly disposed on the movable mount for securing the clamping assembly, the stall assembly comprising:
the compressing plate is movably arranged on the movable seat;
the anti-skid block is arranged on the compacting plate and is contacted with the fixed disk;
the connecting mechanism, the connecting mechanism liftable setting is in on the removal seat for two the drilling rod main part is connected, connecting mechanism includes:
the connecting seat is arranged on the movable seat in a lifting manner;
the driving disc is rotatably arranged on the connecting seat and provided with a through hole for the drill rod main body to pass through;
the driving blocks are arranged in a plurality, and are arranged outside the driving disc in a sliding manner, and springs are arranged between the driving blocks and the driving disc;
a retraction assembly for compressing a plurality of said drive blocks against said drill pipe body surface, said retraction assembly comprising:
the contraction ring is arranged on the connecting seat in a lifting manner;
store the pole mechanism, store the pole mechanism and be used for right the drilling rod main part stores, store the pole mechanism and include:
the support frame is arranged on the drill boom;
the rotating main frame is rotatably arranged on the supporting frame;
the clamping grooves are formed in a plurality, and the clamping grooves are arranged at the outer part of the rotating main frame at equal angles;
the add-subtract pole mechanism, add-subtract pole mechanism is used for carrying the drilling rod main part to mounted position or storage position, add-subtract pole mechanism includes:
the transferring frame is movably arranged on the supporting frame;
the screwing head is in threaded fit with the threaded connecting sleeve, the screwing head is arranged on the transfer frame through an adjusting screw in a threaded mode, and the screw pitches of the adjusting screw and the screwing head are identical;
the drive assembly, drive assembly is used for driving the head of screwing rotates, drive assembly includes:
the driven gear is fixedly sleeved outside the adjusting screw rod;
the driving rack is movably arranged on the transfer frame and meshed with the driven gear.
For spacing the drilling rod main part, the accuracy when guaranteeing to connect still includes the holding ring, the holding ring sets up the top of connecting seat.
In order to ensure the driving stability of the driving block to the drill rod main body, an anti-slip pad is arranged on the driving block and is in contact with the drill rod main body.
To ensure stability of the drill rod drilling, the drill rod drilling device further comprises a stabilizing assembly, wherein the stabilizing assembly comprises:
the rotating frames are arranged and are rotatably arranged on the drill boom;
the stabilizing ring is arranged on the rotating frame and is in contact with the drill rod main body;
the locking bolt is arranged on the rotating frame in a threaded mode, and the locking bolt is in contact with the drill boom.
The working principle and the beneficial effects of the invention are as follows:
1. according to the invention, the drill rod main body is placed in the clamping groove, the plurality of drill rod main bodies are driven to rotate through the rotating main frame, the transferring frame drives the screwing head to move to the position above the corresponding drill rod main body, the driven gear and the adjusting screw are driven to rotate through the driving rack, the screwing head is driven to rotate and descend through the rotation of the adjusting screw, the screw is screwed into the threaded connecting sleeve of the drill rod main body, and the transferring frame can drive the screwing head and the drill rod main body to move to the connecting position.
2. According to the invention, when the height of the drill rod main bodies is increased, the connecting mechanism can be driven to rise to the position of the drill rod main body to be connected through the movement of the moving seat, the clamping assembly is positioned at the top of the original drill rod main body, the original drill rod is fixed through the clamping assembly and the stopping assembly, the driving block is pressed outside the drill rod main body to be connected through the rising of the shrink ring, the driving block and the drill rod main body to be connected are driven to rotate through the driving disk, meanwhile, the connecting seat drives the driving disk, the drill rod main body and the like to descend, so that the threaded connecting sleeve of the drill rod main body to be connected is screwed off from the screwing head, and the threaded connecting head of the drill rod main body to be connected is screwed into the threaded connecting sleeve of the original drill rod main body to be connected.
3. According to the invention, when the heights of the two drill rod bodies are reduced, the screwing head is moved to the upper side of the drill rod body to be disassembled, the movable seat drives the connecting mechanism to move to the position of the drill rod body to be disassembled, the clamping assembly is positioned close to the lower drill rod body and is matched with the stalling assembly to clamp the drill rod body, the driving disc reversely rotates, meanwhile, the connecting seat is lifted, the drill rod body to be disassembled is separated from the lower drill rod body, the screwing head is screwed into the threaded connecting sleeve of the drill rod body to be disassembled, the disassembled drill rod body is moved to the position of the rotating main frame through the movement of the transferring frame and is clamped into the clamping groove, and the two drill rod bodies are disassembled.
4. According to the invention, the driving disc and the driving block can be driven to lift by moving the moving seat, so that the drill rod main body is driven to lift, and meanwhile, the driving disc can drive the driving block and the drill rod main body to rotate, so that the forward, backward and rotation of the drill rod main body are realized, the compression ring descends to be far away from the driving block, and the driving block can be far away from the drill rod main body under the action of the spring, so that the stopping of the drill rod main body is realized.
5. Therefore, compared with the prior art, the screw rod is used for driving the drill rod main body to move in the sleeve to adjust the height of the drill rod, the drill rod main body is clamped by the clamping assembly and the stopping assembly, the drill rod main body is driven to lift and rotate by the lifting of the connecting seat and the rotation of the driving disc and the driving block, so that the connection and the disassembly of the threaded connector and the threaded connecting sleeve between the two drill rod main bodies are realized, and meanwhile, the screw head is used for connecting the drill rod main body to be connected or disassembled, so that the transfer of the drill rod main body is realized, the drill rod main body is transferred from the rotating main frame to the connecting position of the drill arm, or the drill rod main body is transferred from the connecting position of the drill arm to the rotating main frame to be stored, the free adjustment of the quantity of the drill rod main body is realized, and the height of the drill rod main body is adjusted.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of a first view of the present invention;
FIG. 2 is a schematic view of the structure of the rod feeding mechanism and the connecting mechanism according to the present invention at a first view angle;
FIG. 3 is a schematic view of the structure of the rod feeding mechanism and the connecting mechanism according to the present invention at a second view angle;
FIG. 4 is a schematic view of the lever mechanism of the present invention;
FIG. 5 is a schematic view of the structure of the connecting mechanism of the present invention;
FIG. 6 is a schematic view of a storage rod mechanism according to the present invention;
FIG. 7 is a schematic view of the structure of the add-drop lever mechanism of the present invention;
FIG. 8 is a schematic view of a partial enlarged structure of the present invention at A in FIG. 1;
FIG. 9 is a schematic view of a partially enlarged structure of the present invention at B in FIG. 1;
fig. 10 is a schematic structural view of the second view of the present invention.
In the figure:
1. a drill body; 2. a drill boom; 3. a drill pipe body; 4. a thread connecting sleeve; 5. a threaded connector; 6. a positioning ring;
101. a movable seat; 102. a first motor; 103. a screw rod;
201. a fixed plate; 202. a lifting plate; 203. a first connecting rod; 204. a second connecting rod; 205. a clamping plate; 206. an electric cylinder I; 207. a limiting ring;
301. a compacting plate; 302. an anti-skid block; 303. an electric cylinder II;
401. a connecting seat; 402. a drive plate; 403. a driving block; 404. an electric cylinder III; 405. a second motor; 406. a drive gear; 407. a fixing ring; 408. a driven toothed ring; 409. a slide bar; 410. a spring; 411. an anti-slip pad;
501. a shrink ring; 502. an electric cylinder IV; 503. a ball;
601. a support frame; 602. rotating the main frame; 603. a clamping groove; 604. a third motor;
701. a transfer rack; 702. screwing the head; 703. an electric cylinder V; 704. adjusting a screw;
801. a driven gear; 802. a drive rack; 803. an electric cylinder six;
901. a rotating frame; 902. a stabilizing ring; 903. a locking bolt.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill 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.
As shown in fig. 1 to 10, this embodiment provides a drilling machine for coal mining, which is convenient for adjusting the height of a drill rod, and comprises a drilling machine body 1, a drill rod main body 3 and a drill boom 2, wherein the top end and the bottom end of the drill rod main body 3 are respectively provided with a thread connecting sleeve 4 and a thread connecting sleeve 5, and further comprises a rod feeding mechanism, a connecting mechanism, a rod storage mechanism and a rod adding and subtracting mechanism.
The rod feeding mechanism is used for driving the drill rod main body 3 to move along the drill boom 2, the rod feeding mechanism comprises a moving seat 101, a clamping assembly and a stopping assembly, the moving seat 101 is movably arranged on the drill boom 2, a first motor 102 is arranged on the drill boom 2, the output end of the first motor 102 is provided with a lead screw 103, the moving seat 101 and the lead screw 103 are in threaded fit, the moving seat 101 and the drill boom 2 are in sliding fit, the clamping assembly is arranged on the moving seat 101 and used for clamping the drill rod main body 3, the clamping assembly comprises a fixed disc 201, a lifting plate 202, a connecting rod one 203, a connecting rod two 204 and a clamping plate 205, the fixed disc 201 is rotatably arranged on the moving seat 101, the moving seat 101 is particularly provided with a circular ring-shaped moving seat 101, the outer part of the fixed disc 201 is connected with a plurality of first sliding blocks, the inner side of the moving seat 101 is provided with a sliding groove one matched with the sliding groove, the moving seat 101 can drive the fixed disc 201 to lift through the sliding groove one sliding block, meanwhile, the fixed disc 201 is provided with a through hole for the drill rod main body 3 to pass through the moving seat 201 in the inner rotating seat 101, the lifting plate 202 can be rotatably arranged on the fixed disc 201, the lifting plate 202 can be rotatably arranged on the fixed disc 202 and is rotatably provided with a second electric rotating seat 202, the rotating seat 206 is rotatably arranged on the rotating seat 202, the rotating seat 202 is provided with a rotating seat 204, the rotating seat 204 is provided with a rotating seat 204, and is simultaneously, and is provided with a rotating seat 204, and is connected with a rotating seat is arranged on the rotating seat 204, and is arranged on the rotating seat is provided with a rotating cylinder, and is arranged on the rotating and is provided with a rotating and is provided with a rotating, and is provided. One end of the second connecting rod 204 far away from the first connecting rod 203 is rotationally connected with the clamping plate 205, the clamping plate 205 is contacted with the drill rod main body 3, the stall component is arranged on the movable seat 101 and used for fixing the clamping component, the stall component comprises a pressing plate 301 and an anti-slip block 302, the pressing plate 301 is movably arranged on the movable seat 101, in particular, an electric cylinder II 303 is arranged on the movable seat 101, the pressing plate 301 is arranged at the output end of the electric cylinder II 303, the anti-slip block 302 is arranged on the pressing plate 301, the anti-slip block 302 is contacted with the fixed disc 201, the screw 103 can be driven to rotate through the first motor 102, so that the movable seat 101 can be driven to lift, the first electric cylinder 206 can be driven to lift the limiting ring 207, so that the lifting plate 202 can be driven to lift the first connecting rod 203, so that the second connecting rod 204 is driven to rotate around the rotating shaft, the clamping plate 205 is driven to be close to or far away from the drill rod main body 3, the clamping plates 205 are tightly pressed on the surface of the drill rod main body 3 to limit the drill rod main body 3, a certain rotation damping exists between the clamping plates 205 and the second connecting rod 204, so that the clamping plates 205 can be kept stable to a certain extent when being separated from the drill rod main body 3, meanwhile, in the process of approaching the drill rod main body 3, the clamping plates 205 and the drill rod main body 3 can be kept attached through the rotation between the clamping plates 205 and the second connecting rod 204, the fixing plate 201 and the lifting plate 202 in the process of approaching the drill rod main body 3, the fixing plate 201 can be driven to lift through the moving seat 101, the clamping plates 205 and the drill rod main body 3 are driven to lift, meanwhile, the drill rod main body 3 rotates to drive the clamping plates 205, the second connecting rod 204, the first connecting rod 203, the fixing plate 201 and the lifting plate 202 to rotate, the clamping plates 301 and the anti-skid blocks 302 can be driven to be pressed on the surface of the fixing plate 201 through the second electric cylinder 303, and the second connecting rod 204 is driven to lift, the clamping plate 205 is fixed to the drill rod body 3.
The connecting mechanism is arranged on the movable seat 101 in a lifting manner and is used for connecting two drill rod main bodies 3, the connecting mechanism comprises a connecting seat 401, a driving disc 402, a driving block 403 and a contraction assembly, the connecting seat 401 is arranged on the movable seat 101 in a lifting manner, the movable seat 101 is provided with an electric cylinder III 404, the connecting seat 401 is arranged at the output end of the electric cylinder III 404, the driving disc 402 is rotatably arranged on the connecting seat 401, the connecting seat 401 is provided with a motor II 405, the output end of the motor II 405 is provided with a driving gear 406, the connecting seat 401 is provided with a fixed ring 407, the top end of the driving disc 402 is connected with a driven toothed ring 408 through a rotating tube, the driven toothed ring 408 is meshed with the driving gear 406, the rotating tube is rotationally connected with the fixed ring 407, the periphery of the rotating tube is provided with a clamping ring, the fixed ring 407 is provided with a clamping groove 603 matched with the clamping ring, the fixed ring 407 can drive the rotating tube and the driven toothed ring 408 to lift through the clamping ring, meanwhile, the rotary pipe can rotate, the drill rod main body 3 can pass through the driven toothed ring 408 and the rotary pipe, the driving disc 402 is provided with a plurality of through holes for the drill rod main body 3 to pass through, the driving block 403 is arranged outside the driving disc 402 in a sliding way, the driving disc 402 is provided with a plurality of sliding rods 409, the driving block 403 and the sliding rods 409 are in one-to-one correspondence, the driving block 403 and the sliding rods 409 are in sliding fit, a spring 410 is arranged between the driving block 403 and the driving disc 402, a contraction component is used for pressing the plurality of driving blocks 403 on the surface of the drill rod main body 3, the contraction component comprises a contraction ring 501, the contraction ring 501 can be arranged on the connecting seat 401 in a lifting way, in particular, the connecting seat 401 is provided with an electric cylinder IV 502, the contraction ring 501 is arranged at the output end of the electric cylinder IV 502, a plurality of balls 503 are arranged in the inner rotation of the contraction ring 501, the moving seat 101 can drive the connecting seat 401 to lift, meanwhile, the connecting seat 401 can be lifted relative to the movable seat 101 through the electric cylinder III 404, the distance between the connecting seat 401 and the movable seat 101 is adjusted, the motor II 405 can drive the driving gear 406 to rotate, thereby driving the driven toothed ring 408 and the driving disc 402 to rotate, the driving blocks 403 are driven to rotate around the drill rod main body 3 through the sliding rods 409, a certain gap exists between the driving blocks 403 and the driving disc 402 under the action of the springs 410, the electric cylinder IV 502 can drive the shrinkage ring 501 to lift, the shrinkage ring 501 lifts and is contacted with the driving blocks 403, the driving blocks 403 form an inverted cone shape, the driving blocks 403 are enabled to approach the driving disc 402 and the drill rod main body 3 along with the lifting of the shrinkage ring 501, the driving blocks 403 are enabled to be provided with the anti-slip pads 411 on the driving blocks 403, the anti-slip pads 411 are enabled to be contacted with the drill rod main body 3, the driving blocks 403 can drive the anti-slip pads 411 to be tightly pressed on the surface of the drill rod main body 3, accordingly, the driving main body 3 can be driven to rotate under the action of the motor II 405, the driving main body 3 can drive the driving body 3 to lift under the action of the electric cylinder III, the driving body 3 can drive the main body 3 to lift, and the main body 3 to lift under the action of the electric cylinder III 501 to lift, and the driving blocks 403 can be fixedly connected with the connecting sleeve 4 by threads of the connecting sleeve 4 under the condition that the driving body 3 is fixed with the driving body 3.
The storage rod mechanism is used for storing the drill rod main body 3, the storage rod mechanism comprises a support frame 601, a rotating main frame 602 and clamping grooves 603, the support frame 601 is arranged on the drill boom 2, the rotating main frame 602 is rotatably arranged on the support frame 601, a motor III 604 is specifically arranged on the support frame 601, the rotating main frame 602 is rotatably arranged on the support frame 601, one end of the rotating main frame 602 is arranged at the output end of the motor III 604, the motor III 604 can be a stepping motor, the rotating main frame 602 is driven to rotate by a specific angle each time, the clamping grooves 603 are provided with a plurality of clamping grooves 603, the angles of the rotating main frame 602 are arranged outside the rotating main frame 602 at equal angles, the angle between each time of rotation of the rotating main frame 602 and the adjacent two groups of clamping grooves 603 is equal, namely the angle between each time of rotation of the two drill rod main bodies 3, and the drill rod main body 3 is sequentially rotated to a proper position along with the rotation of the motor III 604.
The rod adding and subtracting mechanism is used for conveying the drill rod main body 3 to the installation position or the storage position, the rod adding and subtracting mechanism comprises a transfer frame 701, a screwing head 702 and a driving component, the transfer frame 701 is movably arranged on the support frame 601, the support frame 601 is provided with an electric cylinder five 703, the transfer frame 701 is arranged at the output end of the electric cylinder five 703, the screwing head 702 and a thread connecting sleeve 4 are in threaded fit, the screwing head 702 is arranged on the transfer frame 701 through an adjusting screw 704 in a threaded manner, the screw pitches of the adjusting screw 704 and the screwing head 702 are the same, the driving component is used for driving the screwing head 702 to rotate, the driving component comprises a driven gear 801 and a driving rack 802, the driven gear 801 is fixedly sleeved outside the adjusting screw 704, the driving rack 802 is movably arranged on the transfer frame 701, the transfer frame 701 is provided with an electric cylinder six 803, the driving rack 802 is arranged at the output end of the electric cylinder six 803, the driving rack 802 is meshed with the driven gear 801, the transferring frame 701 and the screwing head 702 can be driven to move through the electric cylinder five 703, when the transferring frame 701 moves to the upper part of the connecting mechanism, the screwing head 702 is positioned right above the drill rod main body 3 on the drill boom 2, when the transferring frame 701 moves to the upper part of the rotating main frame 602, the screwing head 702 is positioned right above the drill rod main body 3 near the drill boom 2, the electric cylinder six 803 can drive the driving rack 802 to move so as to drive the driven gear 801 to rotate, the driven gear 801 drives the adjusting screw 704 and the screwing head 702 to synchronously rotate, because the screw pitches of the adjusting screw 704 and the screwing head 702 are the same, the lifting heights of the adjusting screw 704 and the screwing head 702 are equal, the screwing head 702 can be driven to lift in the rotating process along with the rotation of the adjusting screw 704, the screwing head 702 can be screwed into the inside the threaded connecting sleeve 4 of the drill rod main body 3, the transferring frame 701 and the drill rod main body 3 are connected, the width of the driving rack 802 is wider, so that the driven gear 801 is always meshed with the driving rack 802 along with the lifting of the adjusting screw 704 and the screwing head 702, the transferring frame 701 and the drill rod main body 3 can be driven to move through the electric cylinder five 703, the drill rod main body 3 is moved to the drill boom 2 for connection, or the drill rod main body 3 is moved to the rotating main frame 602 for clamping and storing in the clamping groove 603.
For spacing to drilling rod main part 3, guarantee the accuracy when connecting, still include holding ring 6, holding ring 6 sets up at the top of connecting seat 401, holding ring 6 is the back taper structure that link up from top to bottom, when moving seat 101 and driving connecting seat 401 and holding ring 6 and rising to waiting to connect drilling rod main part 3 departments, make waiting to connect drilling rod main part 3 pass holding ring 6 earlier, holding ring 6's top area is greater than the bottom area, be convenient for make drilling rod main part 3 stretch into holding ring 6's inside, and make drilling rod main part 3 carry out the location to it when finally passing holding ring 6, make it correspond with the central point of change pipe and driving disk 402 etc. for being convenient for to drilling rod main part 3's connection, carry out spacingly simultaneously, guarantee its stability at drilling in-process.
For guaranteeing the stability that drilling rod was bored, still include stable subassembly, stable subassembly includes rotating turret 901, stable ring 902 and locking bolt 903, rotating turret 901 is provided with a plurality ofly, rotating turret 901 rotates and sets up on the drill boom 2, stable ring 902 sets up on rotating turret 901, stable ring 902 contacts with drilling rod main part 3, locking bolt 903 screw thread sets up on rotating turret 901, locking bolt 903 contacts with drill boom 2, the position of stable ring 902 is adjusted through the rotation of rotating turret 901, the position between a plurality of stable rings 902 is adjusted according to the diameter of drilling rod main part 3, make drilling rod main part 3 be in the central point between a plurality of stable rings 902 put, spacing to the drilling rod, keep its stability.
The working principle or the use flow of the drilling machine which is convenient for adjusting the height of the drill rod for coal mining is as follows:
the coal mine is opened and the drilling machine convenient for adjusting the height of the drill rod is moved to a proper position, the drill boom 2 is in a vertical state, a plurality of drill rods are clamped in a plurality of clamping grooves 603, one drill rod can be arranged between the fixed disc 201 and the driving disc 402 in advance, the screwing head 702 can be moved to the position right above the drill rod main body 3 on one side of the rotating main frame 602, which is close to the positioning ring 6, through the electric cylinder five 703, then the driving rack 802 is driven to move through the electric cylinder six 803, the driven gear 801, the adjusting screw 704 and the screwing head 702 are driven to rotate, the adjusting screw 704 drives the screwing head 702 to descend and screw into the inside of the threaded connecting sleeve 4 of the drill rod main body 3, then the drill rod main body 3 is driven to move to the position of the drill boom 2 and correspond to the positioning ring 6 through the electric cylinder five 703, the initial positioning ring 6, the rod feeding mechanism and the connecting mechanism are lowered to a position lower than the drill rod main body 3 on the rotating main frame 602 under the action of the electric motor one 102 and the screw 103, when the drill rod main body 3 moves to the position right above the positioning ring 6, the first motor 102 drives the screw 103 to rotate, so that the movable seat 101, the connecting seat 401 and the positioning ring 6 ascend to the drill rod main body 3, the fourth motor 502 drives the compression ring to ascend, so that the plurality of driving blocks 403 drive the anti-slip pads 411 to be pressed on the surface of the drill rod main body 3, or the first motor 206 drives the lifting plate 202 to descend, the plurality of clamping plates 205 are pressed on the surface of the drill rod main body 3 under the action of the first connecting rod 203 and the second connecting rod 204, the second motor 405 drives the driving gear 406, the driven toothed ring 408 and the driving disc 402 to rotate, so that the driving blocks 403 and the drill rod main body 3 are driven to rotate, the screw 103 is driven to rotate by the first motor 102, the movable seat 101 descends, the drill rod main body 3 is driven to descend, and a drill bit is arranged at the bottom of the drill rod main body 3 to drill soil;
when the height of the drill rod main body 3 needs to be increased, a new drill rod main body 3 is connected to the top of an original drill rod, under the action of a motor I102 and a screw 103, a movable seat 101 and a connecting seat 401 drive the original drill rod main body 3 to be at a proper height, a motor III 604 drives a rotating main frame 602 to rotate, the drill rod main body 3 to be connected is rotated to a position close to a positioning ring 6, an electric cylinder III 703 drives a screwing head 702 to move to a position right above the drill rod main body 3 to be connected, an electric cylinder III 803 drives a driven gear 801 to rotate, the screwing head 702 rotates and descends under the action of an adjusting screw 704 and is screwed into a threaded connecting sleeve 4 of the drill rod main body 3 to be connected, an electric cylinder III 703 drives the screwing head 702 and the drill rod main body 3 to move to a position right above a drill rod 2 and the original drill rod main body 3, and at the moment, the positioning ring 6, the movable seat 101 and the connecting seat 401 are positioned at the original drill rod main body 3, the first electric cylinder 206 drives the lifting plate 202 to ascend, the clamping plate 205 is far away from the drill rod main body 3, the fourth electric cylinder 502 drives the compression ring to descend and far away from the driving block 403, the driving block 403 is far away from the driving disc 402 under the action of the spring 410, then the first electric cylinder 102 drives the lead screw 103 to rotate, the positioning ring 6 and the connecting mechanism are ascended to the position of the drill rod main body 3 to be connected, the clamping assembly is positioned at the top of the original drill rod main body 3, the first electric cylinder 206 drives the lifting plate 202 to descend, the plurality of clamping plates 205 are pressed on the surface of the drill rod main body 3 under the action of the first connecting rod 203 and the second connecting rod 204, the second electric cylinder 303 drives the pressing plate 301 and the anti-skid block 302 to press on the fixing disc 201 to limit the pressing plate, the original drill rod main body 3 is kept stable, the fourth electric cylinder 502 drives the shrinkage ring 501 to ascend, the driving block 403 drives the anti-skid pad 411 to press on the outside of the drill rod main body 3 to be connected, the second motor 405 drives the driving disc 402 to rotate, so as to drive the driving block 403 and the drill rod body 3 to be connected to rotate, the third motor 404 drives the connecting seat 401, the driving disc 402, the drill rod body 3 to be connected and the like to descend, the threaded connecting sleeve 4 of the drill rod body 3 to be connected is screwed off the screwing head 702, the threaded connecting head 5 of the drill rod body 3 to be connected is screwed into the threaded connecting sleeve 4 of the original drill rod body 3 to connect the two drill rod bodies 3, then the second motor 303 drives the pressing plate 301 and the anti-skid block 302 to be far away from the fixed disc 201, the driving block 403 drives the drill rod body 3 to rotate, the first motor 102 drives the lead screw 103 to rotate, the moving seat 101 and the connecting seat 401 are descended, the drill rod body 3 is driven to descend, and drilling is carried out;
when the height of the drill rod main body 3 needs to be reduced, the drill rod main body 3 at the upper position is detached from the drill rod main body 3 at the lower position, the first motor 102 drives the screw rod 103 to rotate, the movable seat 101 and the connecting seat 401 are lifted, the driving block 403 and the clamping plate 205 clamp the drill rod main body 3, so that the drill rod main body 3 is lifted, two drill rod main bodies 3 to be detached at the drill boom 2 are adjusted to proper heights, then the driving block 403 and the clamping plate 205 are far away from the drill rod main body 3, the positioning ring 6 and the connecting mechanism are lifted to the position of the upper drill rod main body 3, the clamping assembly is positioned at the top position of the lower drill rod main body 3, the driving block 403 and the clamping plate 301 are tightly pressed with the two drill rod main bodies 3, meanwhile, the second motor 303 drives the clamping plate 301 and the anti-skid block 302 to be tightly pressed on the fixed disc 201, the screwing head 702 is moved to the right above the upper drill rod main body 3, the second motor 405 drives the driving gear 406 to reversely rotate, the driving block 403 and the upper drill rod main body 3 to reversely rotate, simultaneously the driving block 403 and the connecting seat 401 are far away from the drill rod main body 3, the positioning ring 6 and the connecting sleeve 3 is tightly screwed into the position of the inner thread of the main body 3, the clamping sleeve 3 is screwed into the thread groove 3, and the inner thread of the main body 3 is screwed into the thread groove 3, and the thread 3 is screwed into the thread groove 3, and the thread groove is screwed into the thread groove 3;
when continuous drilling is needed, the pressing block and the anti-skid block 302 are far away from the fixed disc 201, the motor I102 drives the screw rod 103 to rotate, the movable seat 101 and the connecting seat 401 are driven to descend, the driving block 403 and the clamping plate 205 are pressed on the surface of the drill rod main body 3, so that the drill rod main body 3 is driven to descend, meanwhile, the motor II 405 drives the driving gear 406 to rotate forward, the driving disc 402 drives the driving block 403 and the drill rod main body 3 to rotate forward, the drill rod main body 3 drives the drill bit to descend, the clamping assembly descends to the position of the drill boom 2, the electric cylinder IV 502 drives the compression ring to descend, the driving block 403 is far away from the drill rod main body 3 under the action of the spring 410, the electric cylinder I206 drives the lifting plate 202 to ascend, the clamping plate 205 is far away from the drill rod main body 3, the motor I102 drives the screw rod 103 to rotate reversely, the movable seat 101 and the connecting seat 401 are driven to ascend by a certain height, then the driving block 403 and the clamping plate 205 are driven to press the drill rod main body 3, and the motor I102 drives the screw rod 103 to rotate forward, and the screw rod main body 103 is driven to descend continuously;
when the drill rod is required to be continuously retracted, the pressing block and the anti-slip block 302 are far away from the fixed disc 201, the motor I102 drives the screw rod 103 to reversely rotate, the movable seat 101 and the connecting seat 401 are driven to ascend, the driving block 403 and the clamping plate 205 are driven to press the drill rod main body 3 at the moment, so that the drill rod main body 3 is driven to ascend, the motor II 405 drives the driving gear 406 to reversely rotate, the driving disc 402 drives the driving block 403 and the drill rod main body 3 to reversely rotate, the drill rod main body 3 drives the drill bit to reversely rotate, the positioning ring 6 is driven to ascend to the position close to the drill arm 2, the electric cylinder IV 502 drives the compression ring to descend, the driving block 403 is far away from the drill rod main body 3 under the action of the spring 410, the electric cylinder I206 drives the lifting plate 202 to ascend, the clamping plate 205 is far away from the drill rod main body 3, the motor I102 drives the screw rod 103 to positively rotate, the movable seat 101 and the connecting seat 401 are descended by a certain height, then the driving block 403 and the clamping plate 205 are driven to press the drill rod main body 3, and the motor I102 drives the screw rod 103 to reversely rotate, and the screw rod main body 103 is driven to continuously ascend.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. The utility model provides a drilling machine convenient to adjust drilling rod height for coal mining, includes drilling machine organism (1), drilling rod main part (3) and boom (2), the top and the bottom of drilling rod main part (3) are provided with thread connection cover (4) and screwed connection head (5) respectively, its characterized in that still includes:
the rod feeding mechanism is used for driving the drill rod main body (3) to move along the drill boom (2), and comprises:
a mobile seat (101), the mobile seat (101) being movably arranged on the drill boom (2);
the clamping assembly is rotatably arranged on the movable seat (101) and used for clamping the drill rod main body (3);
a stall assembly disposed on the mobile seat (101) for fixing the clamping assembly;
the connecting mechanism can be lifted and arranged on the movable seat (101) and is used for connecting two drill rod main bodies (3), and the connecting mechanism comprises:
the connecting seat (401), the connecting seat (401) can be arranged on the movable seat (101) in a lifting manner;
the driving disc (402) is rotatably arranged on the connecting seat (401), and a through hole for the drill rod main body (3) to pass through is formed in the driving disc (402);
the driving blocks (403), the driving blocks (403) are provided with a plurality of driving blocks, the driving blocks (403) are arranged outside the driving disc (402) in a sliding way, and springs (410) are arranged between the driving blocks (403) and the driving disc (402);
a retraction assembly for pressing a plurality of said driving blocks (403) against the surface of said drill rod body (3);
the storage rod mechanism is used for storing the drill rod main body (3);
and the rod adding and subtracting mechanism is used for conveying the drill rod main body (3) to an installation position or a storage position.
2. A drilling machine for facilitating height adjustment of drill pipe for coal mining as recited in claim 1, wherein the clamping assembly comprises:
the fixed disc (201) is rotatably arranged on the movable seat (101), and a through hole for the drill rod main body (3) to pass through is formed in the fixed disc (201);
the lifting plate (202) can be lifted and rotatably arranged on the movable seat (101), and a through hole for the drill rod main body (3) to pass through is formed in the lifting plate (202);
the first connecting rods (203) are provided with a plurality of first connecting rods (203), and the first connecting rods (203) are rotatably arranged on the lifting plate (202);
the second connecting rod (204) is rotatably arranged on the fixed disc (201), and one end of the second connecting rod (204) is rotatably connected with the first connecting rod (203);
and the clamping plate (205), one end of the second connecting rod (204) far away from the first connecting rod (203) is rotatably connected with the clamping plate (205), and the clamping plate (205) is contacted with the drill rod main body (3).
3. A drilling machine for coal mining which facilitates adjustment of drill pipe height according to claim 2, wherein the stall assembly comprises:
a pressing plate (301), wherein the pressing plate (301) is movably arranged on the movable seat (101);
the anti-skid block (302), the anti-skid block (302) is arranged on the pressing plate (301), and the anti-skid block (302) is contacted with the fixed disc (201).
4. A drill rig for facilitating height adjustment of drill pipe for coal mining according to claim 3, wherein the retraction assembly comprises:
and the contraction ring (501) is arranged on the connecting seat (401) in a lifting manner.
5. The drilling machine for coal mining to facilitate height adjustment of drill pipes according to claim 4, wherein the storage rod mechanism comprises:
a support frame (601), the support frame (601) being arranged on the drill boom (2);
a rotating main frame (602), wherein the rotating main frame (602) is rotatably arranged on the supporting frame (601);
the clamping grooves (603) are formed in a plurality of mode, the clamping grooves (603) are formed in the outer portion of the rotating main frame (602) in an equal angle mode.
6. The drilling machine for coal mining, which is convenient for adjusting the height of a drill rod, according to claim 5, wherein the rod adding and subtracting mechanism comprises:
a transfer rack (701), wherein the transfer rack (701) is movably arranged on the support frame (601);
the screwing head (702) is in threaded fit with the threaded connecting sleeve (4), the screwing head (702) is arranged on the transfer frame (701) through an adjusting screw (704) in a threaded mode, and the screw pitches of the adjusting screw (704) and the screwing head (702) are the same;
a drive assembly for driving rotation of the screw head (702), the drive assembly comprising:
the driven gear (801), the said driven gear (801) is fixedly sleeved outside the said adjusting screw (704);
a drive rack (802), wherein the drive rack (802) is movably arranged on the transfer frame (701), and the drive rack (802) is meshed with the driven gear (801).
7. The drilling machine for coal mining, which is convenient for adjusting the height of a drill rod, according to claim 6, further comprises a positioning ring (6), wherein the positioning ring (6) is arranged at the top of the connecting seat (401).
8. The drilling rig for facilitating height adjustment of a drill pipe for coal mining according to claim 7, further comprising a stabilizing assembly comprising:
a rotating frame (901), wherein the rotating frame (901) is rotatably arranged on the drill boom (2);
-a stabilizing ring (902), said stabilizing ring (902) being arranged on said turret (901), said stabilizing ring (902) being in contact with said drill rod body (3);
-a locking bolt (903), said locking bolt (903) being threadedly arranged on said turret (901), said locking bolt (903) being in contact with said drill boom (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410106693.6A CN117684890B (en) | 2024-01-25 | 2024-01-25 | Drilling machine convenient for adjusting height of drill rod for coal mining |
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| CN202410106693.6A CN117684890B (en) | 2024-01-25 | 2024-01-25 | Drilling machine convenient for adjusting height of drill rod for coal mining |
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| CN117927229A (en) * | 2024-03-22 | 2024-04-26 | 山东省地质矿产勘查开发局第七地质大队（山东省第七地质矿产勘查院） | Rock-soil layer drilling equipment |
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| AU2018101190A4 (en) * | 2018-08-16 | 2018-09-20 | Clark, Robert David MR | Mechanized rod handling device to install direct drive and/or extension drill rods of various lengths in to a drill |
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| CN117927229A (en) * | 2024-03-22 | 2024-04-26 | 山东省地质矿产勘查开发局第七地质大队（山东省第七地质矿产勘查院） | Rock-soil layer drilling equipment |
| CN117927229B (en) * | 2024-03-22 | 2024-05-28 | 山东省地质矿产勘查开发局第七地质大队（山东省第七地质矿产勘查院） | Rock-soil layer drilling equipment |
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| CN117684890B (en) | 2024-06-25 |
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