CN115853433A - Rotary drilling auxiliary device of rotary drilling rig and rotary drilling rig - Google Patents
Rotary drilling auxiliary device of rotary drilling rig and rotary drilling rig Download PDFInfo
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- CN115853433A CN115853433A CN202310152502.5A CN202310152502A CN115853433A CN 115853433 A CN115853433 A CN 115853433A CN 202310152502 A CN202310152502 A CN 202310152502A CN 115853433 A CN115853433 A CN 115853433A
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Abstract
The application relates to a rotary drilling auxiliary device of a rotary drilling rig and the rotary drilling rig, which relate to the field of engineering pile hole construction machinery and comprise a drill bit, wherein the drill bit comprises a first sleeve with an installation cavity formed inside; install first slewing mechanism on the first sleeve, install second slewing mechanism on the first slewing mechanism, second slewing mechanism sets up in the first sleeve, be connected with link gear on the second slewing mechanism, the link gear sets up in the installation cavity, be connected with fender soil mechanism on the link gear, it installs in to keep off soil mechanism on the first sleeve. This application has the effect that reduces constructor work load, improves drilling efficiency.
Description
Technical Field
The application relates to the field of engineering pile hole construction machinery, in particular to a rotary drilling rig and a rotary drilling rig adopting the rotary drilling rig.
Background
The rotary drilling rig is a construction machine suitable for hole forming operation in building foundation engineering. The method is mainly suitable for the construction of soil layers such as sandy soil, cohesive soil, silty soil and the like, and is widely applied to the construction of various foundation foundations such as cast-in-place piles, continuous walls, foundation reinforcement and the like.
When the existing rotary drilling rig drills, a drill bit needs to be continuously lifted out of a hole for soil unloading. At present when the rig uses the cylinder drill bit to drill the operation soon, the bottom of cylinder drill bit is opening the setting, and then when leading to the drill bit to carry out the hole and unload earth, its inside piles up a large amount of earth stones etc. in dropping into the drilling hole from the cylinder drill bit easily, the earth stone that drops need propose again when drilling next time and unload earth, has increased staff's the amount of labour, and drilling efficiency is lower moreover.
To the correlation technique among the above-mentioned, the inventor thinks that when digging the rig drilling soon in present stage, when unloading soil outside carrying out the hole with the drill bit, accumulational earth stone can drop from the cylinder drill bit in the drill bit, increases the surplus of the interior earth stone of drilling, and then leads to user of service work volume increase, and drilling efficiency reduces.
Disclosure of Invention
In order to reduce the workload of constructors and improve the drilling efficiency, the application provides a rotary drilling auxiliary device of a rotary drilling rig and the rotary drilling rig.
The application provides a dig auxiliary device soon and dig rig soon of digging rig adopts following technical scheme:
in a first aspect, the present application provides a rotary drilling auxiliary device for a rotary drilling rig, which adopts the following technical scheme:
a rotary drilling auxiliary device of a rotary drilling rig comprises a drill bit, wherein the drill bit comprises a first sleeve, and an installation cavity is formed in the first sleeve;
a first rotating mechanism is installed on the first sleeve, a second rotating mechanism is installed on the first rotating mechanism, the second rotating mechanism is arranged in the first sleeve, a linkage mechanism is connected to the second rotating mechanism, the linkage mechanism is arranged in the installation cavity, a soil retaining mechanism is connected to the linkage mechanism, and the soil retaining mechanism is installed on the first sleeve;
retaining soil mechanism includes fixed plate, second pivot, dead lever, guide way, external gear, rotor plate and separation blade, fixed plate fixed mounting is in first sleeve inner chamber, fixed mounting has several evenly distributed's second pivot on the fixed plate, each all rotate in the second pivot and install the separation blade, each equal fixed mounting has the dead lever on the separation blade, each the dead lever is kept away from the one end of separation blade and is equallyd divide do not slidable mounting in the several guide way, each the guide way is all seted up on the rotor plate, the rotor plate inlays to establish and rotates and installs on the inner chamber wall of first sleeve, rotor plate periphery side fixed mounting has the external gear, the external gear sets up in the installation cavity, external gear and several the link gear is connected.
By adopting the technical scheme, when the rotary drilling auxiliary device of the rotary drilling rig works, the driving mechanism drives the drill rod to work, the drill rod drives the first rotating mechanism to rotate while working, the first rotating mechanism rotates to drive the drill bit and the second rotating mechanism to rotate, drilling work is realized, and soil stones are accumulated in the drill bit, the soil stones in the drill bit drive the linkage mechanism to work through the second rotating mechanism, the linkage mechanism drives the outer gear to rotate, the outer gear rotates and then drives the rotating plate to rotate, each fixed rod slides along the guide direction of the guide groove while the rotating plate rotates, and then each baffle rotates by taking the second rotating shaft as the center, each baffle rotates towards the direction close to the axis of the rotating rod, the sealing effect is realized on the opening of the first sleeve, meanwhile, the baffles are abutted to the spiral blades, the spiral blades play a supporting role in supporting the baffles, the soil stones in the first sleeve are prevented from falling, further, the surplus of the soil stones in the drilling is increased, the workload of a user is increased, and the drilling efficiency is reduced.
Optionally, each linkage mechanism includes a first spur gear, a second spur gear, a third spur gear, a first rotating shaft, and an internal thread sleeve;
each first straight-tooth gear all with the external gear engagement is connected, each wear to establish and the first pivot of fixedly connected with on the first straight-tooth gear, each the one end that first straight-tooth gear was kept away from to first pivot all overlaps establishes and fixedly connected with second straight-tooth gear, each the equal meshing of second straight-tooth gear one side is connected with the third straight-tooth gear, each the third straight-tooth gear all overlaps establishes and fixed mounting is in on the internal thread sleeve, the internal thread sleeve rotates to be installed in the installation cavity.
Optionally, each linkage mechanism comprises a sliding rod and an abutting polished rod;
each butt polished rod both ends butt respectively in each internal thread sleeve internal thread, each the butt polished rod is divided equally and is fixed mounting respectively on the slide bar, each the slide bar is kept away from the one end of butt polished rod is worn to establish and slidable mounting on the first sleeve inner wall, each the slide bar keep away from the one end of butt polished rod with second slewing mechanism is connected.
Through adopting above-mentioned technical scheme, when the second push pedal is to being close to the telescopic direction removal of second, the second push pedal promotes the several slide bar and removes to the direction that is close to the second sleeve, and then make the butt polished rod apply ascending effort to the internal thread sleeve in the internal thread sleeve, and then make the internal thread sleeve rotate, it rotates to drive the third straight-teeth gear simultaneously to drive the internal thread sleeve pivoted, the third straight-teeth gear rotates and then drives the second straight-teeth gear and rotate, the second straight-teeth gear rotates and then drives first pivot and rotate, first pivot rotates and then drives first straight-teeth gear and rotates, first straight-teeth gear rotates and then drives the work of retaining mechanism, improve a dig linkage of auxiliary device inner mechanism soon of rig soon.
Optionally, each first rotating shaft is sleeved with a supporting block and rotatably mounted on the first rotating shaft, and each supporting block is fixedly mounted in the mounting cavity.
Through adopting above-mentioned technical scheme, the supporting shoe plays the supporting role to first pivot, guarantees that first pivot can normally rotate, improves linkage operating stability.
Optionally, the first rotating mechanism includes a second sleeve, a first push plate, a threaded hole, a connecting sleeve, and an inner mounting plate;
the second sleeve is fixedly installed on the first sleeve, a first push plate is arranged in the second sleeve, the first push plate is close to one end of the first sleeve, a threaded hole is formed in the end, close to the first sleeve, of the first push plate, a connecting sleeve is connected to the end, close to the first sleeve, of the first push plate in a butting mode, one end, far away from the first push plate, of the connecting sleeve is connected with the second rotating mechanism, and the connecting sleeve penetrates through the first sleeve and is installed on the second sleeve in a sliding mode.
Optionally, an inner mounting plate is fixedly mounted in the connecting sleeve, and the inner mounting plate is connected with the second rotating mechanism.
Optionally, the second rotating mechanism includes a screw, a rotating rod, a helical blade and a second push plate;
the screw rod is worn to establish and is rotated and install on the interior mounting panel, fixedly connected with bull stick on the screw rod, the bull stick is kept away from one of screw rod and is served the cover and establish and rotate and install the second push pedal, the second push pedal with the connecting sleeve butt, the second push pedal with slide bar fixed connection, fixed mounting has helical blade on the bull stick.
Through adopting the above technical scheme, when drilling work, the drilling rod forward rotates and drives first rotation mechanism work, the drilling rod forward rotates and then drives second sleeve forward and rotates, drive the drill bit rotation when second sleeve forward pivoted, and then realize drilling work, the drilling rod rotates and drives first push pedal forward rotation simultaneously, in drilling process, the ascending reaction force is applyed to the bull stick all the time to the earth gravel in the drilling, first push pedal forward rotates and then makes screw rod and screw hole threaded connection, until screw rod top and screw hole top butt, later first push pedal forward rotates and then drives the screw rod forward rotation, drive the bull stick forward rotation when the screw rod forward rotates, drive helical blade and tunnel drilling when the bull stick forward rotates, earth gravel in the drilling simultaneously rotates and then gets into in the drill bit along with helical blade, until earth is full of gravel in the drill bit. Then helical blade continues to tunnel drilling, the perpendicular ascending power is exerted to the second push pedal to the earth gravel and sand atress in the drilling, when second push pedal atress rebound through the connecting sleeve and then exert ascending thrust to first push pedal and drilling rod, and then lead to second sleeve and drilling rod to take place relative slip, the second sleeve takes place the lapse for the drilling rod, and then make the second push pedal to the direction removal that is close to the second sleeve, and then drive the work of link gear, the link gear drives the shutoff of retaining mechanism to drill bit cavity mouth. Afterwards actuating mechanism drive drilling rod antiport, drive first push pedal antiport in the drilling rod antiport, the screw rod top stops the butt with the screw hole top, first push pedal rotates no longer to drive the screw rod and rotates, avoid second slewing mechanism to continue work, and make the earth gravel and sand in the drill bit drop, the drilling rod continues to drive the rotation of second sleeve simultaneously, make things convenient for the drilling rod to drive the auxiliary device that digs soon of digging the rig and propose from drilling, and then conveniently lift the earth gravel and sand in the drill bit off, improve drilling work efficiency.
Optionally, an auxiliary digging head is fixedly mounted at the bottom of the first sleeve.
Through adopting above-mentioned technical scheme, first sleeve rotates and drives supplementary digging head and rotate, and supplementary digging head rotates and then realizes drilling work.
In a second aspect, the present application provides a rotary drilling rig, which adopts the following technical scheme:
a rotary drilling rig comprises a rotary drilling auxiliary device of the rotary drilling rig, a moving platform, a driving mechanism and a drill rod;
the rotary drilling auxiliary device of the rotary drilling rig is arranged on the drill rod, the drill rod is arranged on the driving mechanism, the driving mechanism is used for driving the drill rod to rotate, and the driving mechanism is fixedly arranged on the moving platform.
Optionally, two sides of the drill rod are symmetrically and fixedly provided with clamping blocks, and the two clamping blocks are slidably arranged on the second sleeve;
one end of the drill rod is arranged in the second sleeve and is fixedly connected with the first push plate.
By adopting the technical scheme, when the rotary drilling rig is used, the movable platform is started firstly, the movable platform works, the rotary drilling rig is moved to a construction position, then the driving mechanism is started, the driving mechanism works to drive the drill rod to rotate, and the drill rod rotates to drive the rotary drilling auxiliary device of the rotary drilling rig to work so as to complete drilling work.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the rotary drilling auxiliary device of the rotary drilling rig works, a driving mechanism drives a drill rod to work, the drill rod drives a first rotating mechanism to rotate while working, the first rotating mechanism drives a drill bit and a second rotating mechanism to rotate, drilling work is realized, earth stones are accumulated in the drill bit, the earth stones in the drill bit drive a linkage mechanism to work through the second rotating mechanism, the linkage mechanism drives an outer gear to rotate, the outer gear rotates and then drives a rotating plate to rotate, each fixing rod slides along the guiding direction of the guide groove while the rotating plate rotates, each baffle plate rotates by taking the second rotating shaft as the center, each baffle plate rotates towards the direction close to the axis of the rotating rod, the opening of the first sleeve is sealed, meanwhile, the baffle plate is abutted against a spiral blade, the spiral blade supports the baffle plate, the earth stones in the first sleeve are prevented from falling, the allowance of the stones in the drilled earth is increased, the workload of a user is increased, and the drilling efficiency is reduced;
2. when the second push plate moves towards the direction close to the second sleeve, the second push plate pushes the plurality of sliding rods to move towards the direction close to the second sleeve, so that the abutting polished rod exerts an upward acting force on the internal threaded sleeve in the internal threaded sleeve, the internal threaded sleeve rotates, the internal threaded sleeve simultaneously drives the third straight gear to rotate, the third straight gear rotates to drive the second straight gear to rotate, the second straight gear rotates to drive the first rotating shaft to rotate, the first rotating shaft rotates to drive the first straight gear to rotate, and the first straight gear rotates to drive the soil blocking mechanism to work, so that the linkage of an internal mechanism of the rotary drilling auxiliary device of the rotary drilling rig is improved;
3. when the rotary drilling rig is used, the moving platform is started firstly, the moving platform works, the rotary drilling rig is moved to a construction position, then the driving mechanism is started, the driving mechanism works to drive the drill rod to rotate, and the drill rod rotates to drive the rotary drilling auxiliary device of the rotary drilling rig to work, so that the drilling work is completed.
Drawings
FIG. 1 is a schematic structural diagram of a rotary drilling rig according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a rotary drilling auxiliary device of a rotary drilling rig according to an embodiment of the present application;
FIG. 3 is an enlarged view of FIG. 2 in the embodiment of the present application;
FIG. 4 is a schematic structural view of a soil guard mechanism according to an embodiment of the present application;
fig. 5 is a sectional view of a soil guard mechanism of an embodiment of the present application.
Description of reference numerals: 1. a mobile platform; 2. a drive mechanism; 3. a drill stem; 31. a clamping block; 4. a drill bit; 41. a first sleeve; 42. installing a cavity; 43. auxiliary digging head; 5. a first rotating mechanism; 51. a second sleeve; 52. a first push plate; 53. a threaded hole; 54. a connecting sleeve; 55. an inner mounting plate; 6. a second rotating mechanism; 61. a screw; 62. a rotating rod; 63. a helical blade; 64. a second push plate; 7. a linkage mechanism; 71. a slide bar; 72. the polished rod is abutted; 73. an internally threaded sleeve; 74. a first straight gear; 75. a second spur gear; 76. a third spur gear; 77. a first rotating shaft; 78. a support block; 8. a soil retaining mechanism; 81. a fixing plate; 82. a second rotating shaft; 83. a baffle plate; 84. fixing the rod; 85. a rotating plate; 86. an outer gear; 87. a guide groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a rotary drilling rig.
Referring to fig. 1 and 2, the rotary drilling rig comprises a moving platform 1, a driving mechanism 2 is fixedly mounted on the moving platform 1, a drill rod 3 is mounted on the driving mechanism 2, the driving mechanism 2 is used for driving the drill rod 3 to rotate by taking the axis of the drill rod 3 as the center, meanwhile, the driving mechanism 2 can also drive the drill rod 3 to move in the axis direction of the drill rod 3, a rotary drilling auxiliary device of the rotary drilling rig is mounted on the drill rod 3, two symmetrical clamping blocks 31 are fixedly mounted on the drill rod 3, and the two clamping blocks 31 are arranged on the rotary drilling auxiliary device of the rotary drilling rig in a sliding mode.
The implementation principle of the rotary drilling rig in the embodiment of the application is as follows: when the rotary drilling rig is used, the moving platform 1 is started at first, the moving platform 1 works, the rotary drilling rig is moved to a construction position, then the driving mechanism 2 is started, the driving mechanism 2 works to drive the drill rod 3 to rotate, and the drill rod 3 rotates to drive the rotary drilling auxiliary device of the rotary drilling rig to work, so that the drilling work is completed.
The embodiment of the application also discloses a rotary drilling auxiliary device of the rotary drilling rig.
Referring to fig. 1, 2 and 3, the rotary drilling auxiliary device of the rotary drilling rig comprises a first rotating mechanism 5, the first rotating mechanism 5 is installed on a drill rod 3, a drill bit 4 is installed on the first rotating mechanism 5, a second rotating mechanism 6 is arranged in the drill bit 4, the second rotating mechanism 6 is connected with a linkage mechanism 7, the linkage mechanism 7 is arranged in the drill bit 4, a soil retaining mechanism 8 is connected to the linkage mechanism 7, and the soil retaining mechanism 8 is arranged in the drill bit 4.
Dig auxiliary device during operation soon of rig soon, drive 3 work of drilling rod through actuating mechanism 2, drive first slewing mechanism 5 rotations in the time of 3 work of drilling rod, first slewing mechanism 5 rotates and drives drill bit 4 and 6 rotations of second slewing mechanism, realize drilling work, and pile up the earth stone in drill bit 4, the earth stone in drill bit 4 drives link gear 7 work through 6 of second slewing mechanism, 7 work of link gear drives the work of earth-retaining mechanism 8, 8 work of earth-retaining mechanism makes 4 inner chambers of drill bit shutoff, avoid the earth stone in the drill bit 4 to drop from the drill bit 4, and then propose again when avoiding the earth stone that drops to unload when drilling next time, staff's the amount of labour has been reduced, improve drilling efficiency.
Referring to fig. 2 and 3, the first rotating mechanism 5 includes a second sleeve 51, the second sleeve 51 is connected to the drill bit 4, a cavity is formed in the second sleeve 51, the upper wall of the second sleeve 51 is sleeved and slidably mounted on the drill rod 3, two symmetrically-arranged sliding grooves are formed in the upper wall of the second sleeve 51, the two fixture blocks 31 are respectively slidably mounted in the two symmetrically-arranged sliding grooves, when the two fixture blocks 31 slide to the limit positions in the two sliding grooves, that is, when the two ends of the two slide blocks slide into the sliding grooves, the fixture blocks 31 are locked with the sliding grooves, the fixture blocks 31 cannot be separated from the sliding grooves all the time, a first push plate 52 is arranged in the cavity in the second sleeve 51, the first push plate 52 is slidably mounted in the cavity in the second sleeve 51, the upper end of the first push plate 52 is fixedly connected to the drill rod 3, the first push plate 52 is coaxially arranged with the drill rod 3, the lower end of the first push plate 52 is abutted to a connecting sleeve 54, the connecting sleeve 54 is coaxially arranged with the first push plate 52, one end of the connecting sleeve 54 far from the first push plate 52 is abutted to the second rotating mechanism 6, a threaded hole 53 is arranged in the same direction as the threaded hole 53 in the mounting plate 55, and a third connecting plate 55 is arranged in the mounting plate 55.
Referring to fig. 2 and 3, the second rotating mechanism 6 includes a screw 61, the screw 61 is inserted into and rotatably installed on the inner installation plate 55, the screw 61 and the inner installation plate 55 are coaxially arranged, the top thread of the screw 61 is matched with the threaded hole 53, and the thread is connected in the threaded hole 53, the bottom of the thread is coaxially arranged and fixedly connected with a rotating rod 62, the rotating rod 62 is sleeved with a second push plate 64 and slidably installed, the second push plate 64 and the rotating rod 62 can slide relative to each other in the axial direction, the upper end of the second push plate 64 is abutted to the connecting sleeve 54, the upper end of the second push plate 64 is also abutted to the linkage mechanism 7, a helical blade 63 is fixedly installed on the rotating rod 62 below the second push plate 64, the helical blade 63 and the rotating rod 62 are coaxially arranged, and the radius of the helical blade 63 is gradually increased from bottom to top.
When drilling, the drill rod 3 rotates forward to drive the first rotating mechanism 5 to work, the drill rod 3 rotates forward to further drive the second sleeve 51 to rotate forward, the second sleeve 51 rotates forward to drive the drill bit 4 to rotate, and drilling work is realized, meanwhile, the drill rod 3 rotates to drive the first push plate 52 to rotate forward, in the drilling process, soil and gravel in the drill hole always exert an upward reaction force on the rotating rod 62, the first push plate 52 rotates forward to further enable the screw rod 61 to be in threaded connection with the threaded hole 53, until the top of the screw rod 61 abuts against the top of the threaded hole 53, then the first push plate 52 rotates forward to further drive the screw rod 61 to rotate forward, the screw rod 61 rotates forward to drive the rotating rod 62 to rotate forward, the rotating rod 62 drives the helical blade 63 to tunnel the drill hole while rotating forward, simultaneously, the soil and gravel in the drill hole rotate along with the helical blade 63 and then enter the drill bit 4, and until the drill bit 4 is filled with soil and gravel. Then, the spiral blade 63 continues to tunnel the drilled hole, soil, sand and stone in the drilled hole are stressed to further apply a vertical upward force to the second push plate 64, the second push plate 64 is stressed to move upward and further apply an upward thrust to the first push plate 52 and the drill rod 3 through the connecting sleeve 54, so that the second sleeve 51 and the drill rod 3 slide relatively, the second sleeve 51 moves downward relative to the drill rod 3, the second push plate 64 moves towards the direction close to the second sleeve 51, the linkage mechanism 7 is driven to work, and the linkage mechanism 7 drives the soil blocking mechanism 8 to block the cavity opening of the drill bit 4. Afterwards 3 antiport of actuating mechanism 2 drive drilling rod, drive first push pedal 52 antiport in the time of 3 antiport of drilling rod, screw rod 61 top and screw hole 53 top stop the butt, first push pedal 52 rotates and no longer drives screw rod 61 and rotates, avoid second slewing mechanism 6 to continue work, and make the interior earth gravel and sand of drill bit 4 drop, drilling rod 3 continues to drive second sleeve 51 simultaneously and rotates, make things convenient for drilling rod 3 to drive the rotary drilling auxiliary device who digs the rig soon and propose from drilling, and then conveniently lift the interior earth gravel and sand of drill bit 4 off, improve drilling work efficiency.
Referring to fig. 2 and 3, the drill 4 includes a first sleeve 41, the first sleeve 41 is fixedly mounted at the bottom of a second sleeve 51, a mounting cavity 42 is formed in the inner wall of the first sleeve 41, a linkage mechanism 7 is mounted in the mounting cavity 42, an inner cavity is formed in the first sleeve 41, and the second rotating mechanism 6 is disposed in the inner cavity of the first sleeve 41. The connecting sleeve 54 is inserted through and slidably mounted on the first sleeve 41 and the second sleeve 51. An auxiliary digging head 43 is fixedly arranged on one end of the first sleeve 41 far away from the second sleeve 51.
When the drill rod 3 rotates, the drill rod 3 drives the second sleeve 51 to rotate, the second sleeve 51 rotates to further drive the first sleeve 41 to rotate, the first sleeve 41 rotates and simultaneously drives the auxiliary digging head 43 to rotate, and the auxiliary digging head 43 rotates to further realize the drilling work.
Referring to fig. 2 and 3, the linkage mechanism 7 includes a plurality of sliding rods 71, the number of the sliding rods 71 is not less than six, the sliding rods 71 are arranged symmetrically with the rotating rod 62 as a center axis, each sliding rod 71 is slidably mounted on the first sleeve 41, one end of each sliding rod 71 is arranged in the inner cavity of the first sleeve 41, and the other end of each sliding rod 71 is arranged in the mounting cavity 42. Each end of the sliding rod 71 arranged in the inner cavity of the first sleeve 41 is fixedly connected with the second push plate 64, each end of the sliding rod 71 arranged in the installation cavity 42 is fixedly provided with a butt polished rod 72, both ends of the butt polished rod 72 are abutted in the spiral grooves in the internal thread sleeves 73, and both ends of the butt polished rod 72 and the spiral grooves in the internal thread sleeves 73 are smoothly polished, so that friction between both ends of the butt polished rod 72 and the spiral grooves in the internal thread sleeves 73 is reduced, each internal thread sleeve 73 is rotatably arranged in the installation cavity 42, each internal thread sleeve 73 is coaxially and fixedly provided with a third spur gear 76, one side of each third spur gear 76 is uniformly and respectively engaged with a second spur gear 75, each second spur gear 75 is provided with a first rotating shaft 77 in a penetrating and fixedly connected manner, each first rotating shaft 77 is rotatably arranged in the installation cavity 42, each first rotating shaft 77 is provided with a supporting block 78 in a sleeving and rotating manner, each supporting block 78 is fixedly arranged in the installation cavity 42, one end of each first rotating shaft 77 far away from the second spur gear 75 is fixedly connected with a first spur gear 74, and each first straight gear 74 is fixedly connected with a soil retaining mechanism 8.
When the second push plate 64 moves towards the direction close to the second sleeve 51, the second push plate 64 pushes the plurality of sliding rods 71 to move towards the direction close to the second sleeve 51, so that the butt polished rod 72 exerts an upward acting force on the internal thread sleeve 73 in the internal thread sleeve 73, so that the internal thread sleeve 73 rotates, the internal thread sleeve 73 rotates while driving the third spur gear 76 to rotate, the third spur gear 76 rotates and then drives the second spur gear 75 to rotate, the second spur gear 75 rotates and then drives the first rotating shaft 77 to rotate, the first rotating shaft 77 rotates and then drives the first spur gear 74 to rotate, the first spur gear 74 rotates and then drives the soil retaining mechanism 8 to work, and the linkage of the internal mechanism of the rotary drilling auxiliary device of the rotary drilling rig is improved.
Referring to fig. 2, 4 and 5, the retaining mechanism 8 includes a rotating plate 85, the rotating plate 85 is embedded and rotatably mounted on the inner wall of the first sleeve 41, an outer gear 86 is sleeved and fixedly mounted on the outer peripheral side of the rotating plate 85, and the outer gear 86 is disposed in the mounting cavity 42 and is in meshing connection with each first straight gear 74. One end of the rotating plate 85, which is far away from the second push plate 64, is provided with a plurality of guide grooves 87 which are uniformly distributed, the number of the guide grooves 87 is not less than four and not more than eight, and the guide grooves 87 are all arc-shaped. Equal slidable mounting has dead lever 84 in each guide way 87, equal fixedly connected with separation blade 83 on each dead lever 84, separation blade 83 is the rubber material and has the flexibility, each separation blade 83 is fan-shaped, and adjacent separation blade 83 overlaps each other, the overlap portion is no less than the fifth of separation blade 83 total area, all wear to establish and rotate on each separation blade 83 and install second pivot 82, second pivot 82 one end fixed mounting is on fixed plate 81, fixed plate 81 is the annular cylinder of cross section, fixed plate 81 fixed mounting is close to on the inner wall of supplementary digging head 43 one end at first sleeve 41.
Each first straight gear 74 drives the outer gear 86 and rotates when pivoted, outer gear 86 rotates and then drives rotor plate 85 and rotates, make each dead lever 84 slide along the direction of guide way 87 when rotor plate 85 rotates, and then make each separation blade 83 use second pivot 82 to rotate as the center, and each separation blade 83 rotates to being close to bull stick 62 axis direction, play airtight effect to first sleeve 41 opening part, separation blade 83 and helical blade 63 butt simultaneously, helical blade 63 plays the supporting role to separation blade 83, avoid the earth gravel and sand in the first sleeve 41 to drop, and then increase the surplus of earth stone in the drilling, user of service work increases, drilling efficiency reduces.
The implementation principle of the rotary drilling auxiliary device of the rotary drilling rig in the embodiment of the application is as follows: drive 3 work of drilling rod through actuating mechanism 2, drive 5 rotations of first slewing mechanism in the time of 3 work of drilling rod, 5 rotations of first slewing mechanism drive drill bit 4 and the rotation of second slewing mechanism 6, realize drilling work, and pile up the earth stone in drill bit 4, the earth stone in drill bit 4 passes through 6 drive link gear 7 work of second slewing mechanism, 7 work of link gear drive soil retaining mechanism 8 work, 8 work of soil retaining mechanism is to 4 inner chambers shutoff of drill bit.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a dig auxiliary device soon of rig soon which characterized in that: the drill bit (4) comprises a drill bit (4), wherein the drill bit (4) comprises a first sleeve (41) with an installation cavity (42) formed inside;
a first rotating mechanism (5) is mounted on the first sleeve (41), a second rotating mechanism (6) is mounted on the first rotating mechanism (5), the second rotating mechanism (6) is arranged in the first sleeve (41), a linkage mechanism (7) is connected to the second rotating mechanism (6), the linkage mechanism (7) is arranged in the mounting cavity (42), a soil retaining mechanism (8) is connected to the linkage mechanism (7), and the soil retaining mechanism (8) is mounted on the first sleeve (41);
soil retaining mechanism (8) are including fixed plate (81), second pivot (82), dead lever (84), guide way (87), external gear (86), rotor plate (85) and separation blade (83), fixed plate (81) fixed mounting be in first sleeve (41) inner chamber, fixed plate (81) are gone up fixed mounting and are had several evenly distributed's second pivot (82), each it installs separation blade (83) all to rotate on second pivot (82), each equal fixed mounting has dead lever (84) on separation blade (83), each the one end that separation blade (83) were kept away from in dead lever (84) is equallyd divide do slidable mounting in several guide way (87), each guide way (87) are all seted up on rotor plate (85), rotor plate (85) inlay and rotate and install on first sleeve (41) inner chamber wall, rotor plate (85) periphery side fixed mounting has external gear (86), external gear (86) set up in installation cavity (42), external gear (86) with the several link gear (7) are connected.
2. The rotary drilling auxiliary device of the rotary drilling rig according to claim 1, wherein: each linkage mechanism (7) comprises a first straight gear (74), a second straight gear (75), a third straight gear (76), a first rotating shaft (77) and an internal thread sleeve (73);
each first straight gear (74) all with outer gear (86) meshing connection, each all wear to establish and the first pivot (77) of fixedly connected with on first straight gear (74), each first pivot (77) are kept away from the one end of first straight gear (74) and are all overlapped and establish and fixedly connected with second straight gear (75), each second straight gear (75) one side all meshing connection has third straight gear (76), each third straight gear (76) all overlap and establish and fixed mounting be in on the internal thread sleeve (73), internal thread sleeve (73) are rotated and are installed in installation cavity (42).
3. The rotary drilling auxiliary device of the rotary drilling rig according to claim 2, wherein: each linkage mechanism (7) comprises a sliding rod (71) and an abutting polished rod (72);
each both ends of the butt polished rod (72) are respectively butted on each internal thread of the internal thread sleeve (73), each butt polished rod (72) is respectively fixedly installed on a sliding rod (71), one end, far away from the butt polished rod (72), of each sliding rod (71) is penetrated and slidably installed on the inner wall of the first sleeve (41), and one end, far away from the butt polished rod (72), of each sliding rod (71) is connected with the second rotating mechanism (6).
4. The rotary drilling auxiliary device of the rotary drilling rig according to claim 2, wherein: each first rotating shaft (77) is sleeved with a supporting block (78) and is rotatably installed with the supporting block (78), and each supporting block (78) is fixedly installed in the installation cavity (42).
5. The rotary drilling auxiliary device of the rotary drilling rig according to claim 3, wherein: the first rotating mechanism (5) comprises a second sleeve (51), a first push plate (52), a threaded hole (53), a connecting sleeve (54) and an inner mounting plate (55);
second sleeve (51) fixed mounting be in on first sleeve (41), be provided with first push pedal (52) in second sleeve (51), first push pedal (52) are close to one of first sleeve (41) is served and is seted up screw hole (53), the one end butt that first push pedal (52) are close to first sleeve (41) has connecting sleeve (54), the one end that first push pedal (52) were kept away from in connecting sleeve (54) with second slewing mechanism (6) are connected, wear to establish and slidable mounting in connecting sleeve (54) first sleeve (41) with on second sleeve (51).
6. The rotary drilling auxiliary device of the rotary drilling rig according to claim 5, wherein: an inner mounting plate (55) is fixedly mounted in the connecting sleeve (54), and the inner mounting plate (55) is connected with the second rotating mechanism (6).
7. The rotary drilling auxiliary device of the rotary drilling rig according to claim 6, wherein: the second rotating mechanism (6) comprises a screw rod (61), a rotating rod (62), a spiral blade (63) and a second push plate (64);
screw rod (61) are worn to establish and are rotated and install on interior mounting panel (55), fixedly connected with bull stick (62) is gone up in screw rod (61), bull stick (62) are kept away from one of screw rod (61) and are served the cover and establish and rotate and install second push pedal (64), second push pedal (64) with connecting sleeve (54) butt, second push pedal (64) with slide bar (71) fixed connection, fixed mounting has helical blade (63) on bull stick (62).
8. The rotary drilling auxiliary device of the rotary drilling rig according to claim 1, wherein: and an auxiliary digging head (43) is fixedly arranged at the bottom of the first sleeve (41).
9. A rotary drilling rig is characterized in that: the rotary drilling auxiliary device comprises the rotary drilling rig as claimed in any one of claims 5-8, a mobile platform (1), a driving mechanism (2) and a drill rod (3);
the rotary drilling auxiliary device of the rotary drilling rig is arranged on the drill rod (3), the drill rod (3) is arranged on the driving mechanism (2), the driving mechanism (2) is used for driving the drill rod (3) to rotate, and the driving mechanism (2) is fixedly arranged on the moving platform (1).
10. The rotary drilling rig according to claim 9, wherein: clamping blocks (31) are symmetrically and fixedly installed on two sides of the drill rod (3), and the two clamping blocks (31) are installed on the second sleeve (51) in a sliding mode;
one end of the drill rod (3) is arranged in the second sleeve (51) and is fixedly connected with the first push plate (52).
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| CN202310152502.5A CN115853433B (en) | 2023-02-23 | 2023-02-23 | Rotary drilling auxiliary device of rotary drilling rig and rotary drilling rig |
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| CN116516941A (en) * | 2023-05-29 | 2023-08-01 | 中国水利水电第三工程局有限公司 | Construction device and method for mechanical excavation pile plate wall |
| CN116591597A (en) * | 2023-07-18 | 2023-08-15 | 陕西建一建设有限公司 | Rotary drilling rig for highway bridge construction |
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