CN115807618A - Rotary drilling rig power head with moving structure and drilling method thereof - Google Patents
Rotary drilling rig power head with moving structure and drilling method thereof Download PDFInfo
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- CN115807618A CN115807618A CN202310083917.1A CN202310083917A CN115807618A CN 115807618 A CN115807618 A CN 115807618A CN 202310083917 A CN202310083917 A CN 202310083917A CN 115807618 A CN115807618 A CN 115807618A
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Abstract
The invention relates to the technical field of rotary drilling rigs, in particular to a rotary drilling rig power head with a moving structure and a drilling method thereof.
Description
Technical Field
The invention relates to the technical field of rotary drilling rigs, in particular to a rotary drilling rig power head with a moving structure and a drilling method thereof.
Background
The rotary excavator is a comprehensive drilling machine, can use various bottom layers, has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like, can be matched with a hammer to drill holes after a hard stratum is crushed, if a drilling tool with an enlarged head is matched, most rotary excavators in the prior art adopt a plurality of layers of telescopic drill rods, the drill rods realize pressure application and rotation through a power head of the rotary excavator, the surface of each drill rod is provided with a chute and a plurality of groups of pressurizing tables, when the plurality of layers of telescopic drill rods apply pressure through the power head, after the excavating head is contacted with the bottom, the drill rods are pulled and unfolded through reverse rotation, the outer drill rods are meshed with the pressurizing tables on the inner drill rods through forward rotation, the downward power release of the rotary excavator is realized, and one-time operation is needed when the drill rods are extended every time, but because the telescopic drilling rod of time multilayer, make the diameter of its drilling rod when the drilling rod is flexible downwards will be littleer, lead to follow-up intensity of exerting pressure to diminish, cause the damage of drilling rod easily, simultaneously because through the mode of pressurization platform meshing, make the cooperation need just can realize the meshing of pressurization platform through corotation and reversal between a plurality of drilling rods, it is comparatively troublesome to operate, if operating personnel experience is not enough, probably because the position is inaccurate when the meshing leads to the damage of drilling rod, multilayer drilling rod can be infected with a large amount of silt at the work rear surface simultaneously, but after carrying the lift ground, the drilling rod shrink together, it is comparatively troublesome to make maintenance and maintenance, need to prolong all drilling rods and expand and just can carry out the maintenance, and its flexible length is limited.
Disclosure of Invention
In view of the above problems, the utility model provides a dig rig unit head soon with moving structure and creep into method thereof is provided, through displacement mechanism, pressure equipment mechanism and rotary mechanism's setting, make the butt joint between the drilling rod easier, the operation degree of difficulty is less, make power transmission between the drilling rod more stable simultaneously, can not lead to the damage of drilling rod because the meshing position of pressurizing platform is inaccurate enough, and the drilling rod is because the multilayer is flexible not, can maintain respectively to every drilling rod after the drilling rod is carried to displacement mechanism, make the maintenance to the drilling rod comparatively convenient, the degree of depth of drilling simultaneously is only limited by the quantity of drilling rod, can not be because the degree of depth of self restriction drilling.
In order to solve the problems of the prior art, the invention adopts the technical scheme that:
a rotary drilling rig power head with a moving structure comprises a support frame, wherein a driving device and a plurality of drill rods are arranged on the support frame, a material carrying platform in a horizontal state is arranged at the bottom of the support frame, a through hole through which the drill rods can pass is formed in the center of the material carrying platform, and a traction mechanism for traction of the drill rods is arranged beside the hole; the driving device comprises a displacement mechanism, a press-mounting mechanism and a rotating mechanism, the displacement mechanism can slide on the material loading platform in a reciprocating manner along the horizontal direction, a plurality of drill rods are arranged on the displacement mechanism side by side, and the tops of the rods are clamped and matched with the bottoms of the adjacent drill rods; the press-fitting mechanism can be located on the support frame in a vertical sliding mode, the rotating mechanism is fixedly connected to the lower portion of the through hole, and the axes of the press-fitting mechanism and the rotating mechanism are coaxial with the axis of the through hole.
Preferably, the top of drilling rod is provided with the joint hole, the downthehole joint piece that is used for with another drilling rod bottom joint that is provided with of joint, and the bottom of drilling rod is provided with the connector that extends along its axis direction, and the bottom of connector is provided with the draw-in groove that matches each other with the joint piece.
Preferably, the connecting head is provided with a step shaft with the diameter smaller than that of the drill rod, and the top of the drill rod is provided with a fixing assembly capable of fixing the connecting head.
Preferably, the fixing component is further provided with a transmission component for loosely holding the connecting head.
Preferably, the clamping block can be slidably located in the clamping hole, a third elastic part is arranged at the bottom of the clamping block, and two ends of the third elastic part are fixedly connected with the bottom of the clamping block and the top surface of the clamping hole respectively.
Preferably, the top end of the drill rod is a first inward concave conical surface, and the bottom of the drill rod is provided with a second conical surface matched with the first conical surface.
Preferably, the rotating mechanism is provided with a butt joint assembly for adjusting the rotating angle of the drill rod.
Preferably, the traction mechanism comprises a mounting disc, two winches and two pulley blocks, the two winches are respectively located on two sides of the through hole, the two sliding groups are respectively located on two sides of the rotating mechanism, the mounting disc is located below the rotating mechanism, the mounting disc is fixedly connected with two steel cables, and the steel cables penetrate through the pulley blocks on the same side and are in transmission connection with the winches on the same side.
Preferably, the displacement mechanism comprises a plurality of adjustable gripping rods.
A drilling method of a power head of a rotary drilling rig is applied to the power head of the rotary drilling rig with a moving structure, and comprises the following steps:
s1, driving a drill rod to rotate through a rotating mechanism, driving the drill rod to press down through a press-mounting mechanism, and driving an excavating head to drill a hole on the ground through the drill rod;
s2a, when the length of the drill rod needs to be prolonged, one of the drill rods is driven to be aligned with the through hole through the displacement mechanism;
s2b, resetting the press-mounting mechanism to the top of the support frame, and fixing the position of the drill rod on the rotating mechanism by the traction mechanism;
s2c, contacting the top ends of the drill rods on the through holes through the press-fitting mechanism, and driving the press-fitting mechanism to be in butt joint with the top ends of the drill rods in the rotating mechanism so that the two drill rods are clamped;
s2d, repeating the step of S1;
and S3, repeating the steps from S2a to S2d according to the depth requirement of the actual drilling operation until the depth requirement of the drilling is met.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the arrangement of the displacement mechanism, the press-fitting mechanism and the rotating mechanism, butt joint among drill rods is easier, the operation difficulty is lower, meanwhile, the power transmission among the drill rods is more stable, the damage of the drill rods due to the inaccurate meshing position of the pressurizing table is avoided, and the drill rods can be respectively maintained after being lifted to the displacement mechanism due to the fact that the drill rods are not telescopic in multiple layers, so that the maintenance of the drill rods is more convenient, and meanwhile, the drilling depth is only limited by the number of the drill rods, and the drilling depth is not limited by the drill rods.
Drawings
FIG. 1 is a schematic diagram I of a three-dimensional structure of a rotary drilling rig power head with a moving structure;
FIG. 2 is a schematic diagram II of a three-dimensional structure of a rotary drilling rig power head with a moving structure;
FIG. 3 is a schematic diagram of a rotary drilling rig power head with a moving structure;
FIG. 4 is an enlarged view at A in FIG. 3;
FIG. 5 is a schematic perspective view of a support frame in a power head of a rotary drilling rig with a moving structure;
FIG. 6 is an enlarged view at B in FIG. 5;
FIG. 7 is a schematic perspective view of a rotary drilling rig power head rotating mechanism and a traction mechanism with a moving structure;
FIG. 8 is a first schematic diagram illustrating a three-dimensional structure of a drill rod in a power head of a rotary drilling rig with a moving structure;
FIG. 9 is a schematic diagram II of a three-dimensional structure of a drill rod in a power head of a rotary drilling rig with a moving structure;
FIG. 10 is a schematic cross-sectional view of a drill rod in a power head of a rotary drilling rig with a moving structure;
FIG. 11 is a schematic perspective view of a fixed assembly and a transmission assembly in a power head of a rotary drilling rig with a moving structure;
fig. 12 is a schematic perspective view of a clamping block in a power head of a rotary drilling rig with a moving structure.
The reference numbers in the figures are:
1-a support frame;
11-a loading table; 111-vias; 112-a displacement mechanism; 1121-clamping rods; 1122-a shelf; 1123-a feed opening; 1124-a drive assembly; 11241-a rotary drive motor; 11242-lead screw;
12-a drive means; 121-a traction mechanism; 1211-mounting plate; 1212-a hoist; 1213-pulley block; 122-a press-fit mechanism; 123-a rotation mechanism; 1231-rotating ring; 1232-card strip; 1233-reduction motor;
2-a drill rod;
21-a chute;
22-a digging head;
23-a clamping hole; 231-a clamping block; 2311-a third elastic member; 2312-guiding the rod; 2313-guiding holes;
24-a connector; 241-card slot; 242-step axis;
25-a fixed component; 251-a mounting hole; 252-fixed block; 253-a first elastic member; 254-a transmission assembly; 2541-first rack; 2542-second rack; 2543-gears; 2544-mounting grooves; 2545-a second resilient member; 2546-electric telescopic rod;
26-a first conical surface;
27-a second conical surface;
28-docking assembly.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
As shown in fig. 1 to 12: a rotary drilling rig power head with a moving structure comprises a support frame 1, wherein a driving device 12 and a plurality of drill rods 2 are arranged on the support frame 1, a material carrying platform 11 in a horizontal state is arranged at the bottom of the support frame 1, a through hole 111 through which the drill rods 2 can pass is formed in the center of the material carrying platform 11, and a traction mechanism 121 for traction of the drill rods 2 is arranged beside the through hole 111; the driving device 12 comprises a displacement mechanism 112, a press-fitting mechanism 122 and a rotating mechanism 123, wherein the displacement mechanism 112 can slide on the loading platform 11 in a reciprocating manner along the horizontal direction, a plurality of drill rods 2 are arranged on the displacement mechanism 112 side by side, and the tops of the drill rods 2 are in clamping fit with the bottoms of the adjacent drill rods 2; the press-fitting mechanism 122 can be vertically and slidably positioned on the support frame 1, the rotating mechanism 123 is fixedly connected below the through hole 111, and the axes of the press-fitting mechanism 122 and the rotating mechanism 123 are coaxial with the axis of the through hole 111.
The rotary mechanism 123 is internally sleeved with a drill rod 2 in an initial state of the equipment, the bottom of the drill rod 2 is positioned beside the through hole 111, the drill rod 2 is in transmission connection with the traction mechanism 121, the drill rod 2 can be fixed in the rotary mechanism 123 at the same height through the traction mechanism 121, the surface of the drill rod 2 is provided with a plurality of chutes 21 surrounding the axis of the drill rod 2, the rotary mechanism 123 is provided with a speed reduction motor 1233 and a rotating ring 1231, the rotating ring 1231 is rotatably positioned on the rotary mechanism 123, the rotating ring 1231 is in transmission connection with the speed reduction motor 1233, the rotating ring 1231 is internally provided with clamping strips 1232 matched with the chutes 21, and when the rotating ring 1231 rotates, the clamping strips 1232 are driven to rotate, the power is transmitted to the drill rod 2 through the clamping strip 1232, so that the drill rod 2 can rotate along with the rotating ring 1231, meanwhile, the drill rod 2 can keep sliding on the rotating mechanism 123 through the sliding groove 21, the excavating head 22 of the rotary drilling rig is fixedly connected with the bottom of the drill rod 2, the drill rod 2 can be driven to rotate when the rotating mechanism 123 is started, the excavating head 22 is driven by the drill rod 2 to drill on the ground, in order to increase the pressure of drilling, the press-fitting mechanism 122 slides along the vertical direction of the support frame 1, so that the press-fitting mechanism 122 is in contact with the top end of the drill rod 2, the press-fitting mechanism 122 can transmit the power to the drill rod 2, and the excavating head 22 can be driven to drill through the pressure application, so that the excavating head 22 has downward power while rotating;
when the depth of a drilled hole is not enough, firstly, the drill rods 2 in the drilled hole are fixed through the traction mechanism 121, at the moment, the press-fit mechanism 122 resets and moves to the topmost point of the support frame 1, the displacement mechanism 112 drives the drill rods 2 to move along the horizontal direction, so that one of the drill rods 2 is coaxially arranged with the through hole 111, the press-fit mechanism 122 slides downwards along the vertical direction again to be in contact with the drill rods 2 on the displacement mechanism 112, the drill rods 2 on the displacement mechanism 112 are in butt joint with the drill rods 2 on the rotating mechanism 123, due to the fact that the tops of the drill rods 2 are in clamping fit with the bottoms of the adjacent drill rods 2, power transmission between the drill rods 2 can be achieved through clamping, the steps are repeated until the operation depth required by construction is met, compared with the telescopic mode of multiple layers of drill rods 2 in the prior art, the butt joint between the drill rods 2 is easier, the operation difficulty is smaller, meanwhile, the power transmission between the drill rods 2 is more stable, damage to the drill rods 2 cannot be caused due to the inaccurate meshing position of the press table, and the damage to the drill rods 2 cannot be limited by the depth of the maintenance of the drill rods 2 respectively after the drill rods 2 are lifted to the mechanism 112, and the maintenance of the drill rods 2 is not limited by the depth of the drilling depth, and the maintenance of the drill rods 2 is convenient.
As shown in fig. 8-10 and 12: the top of drilling rod 2 is provided with joint hole 23, is provided with the joint piece 231 that is used for with the joint of another drilling rod 2 bottom in the joint hole 23, and the bottom of drilling rod 2 is provided with the connector 24 that extends along its axis direction, and the bottom of connector 24 is provided with the draw-in groove 241 with joint piece 231 mutual matching.
As shown in fig. 8 to 11: the connecting head 24 is provided with a step shaft 242 with the diameter smaller than that of the drill rod (2), and the top of the drill rod 2 is provided with a fixing assembly 25 capable of fixing the connecting head 24.
The inner wall of the top of the drill rod 2 is provided with a plurality of mounting holes 251 extending along the radial direction of the drill rod 2, the fixing assembly 25 comprises fixing blocks 252 which are the same in number as the mounting holes 251 and correspond to the mounting holes 251 one by one, the fixing blocks 252 are all slidably positioned in the mounting holes 251, the fixing blocks 252 are all provided with first elastic pieces 253, two ends of each first elastic piece 253 are respectively and fixedly connected with the inner wall of the mounting hole 251 and the corresponding fixing block 252, so that the fixing blocks 252 can be kept in a jacking state all the time, the top surfaces of all the fixing blocks 252 are arranged in an inclined plane, when the bottom of the drill rod 2 is inserted into the clamping hole 23 of the drill rod 2, as the sizes of the connecting heads 24 and the clamping blocks 231 are matched with each other, the connecting heads 24 can drive all the fixing blocks 252 to the mounting holes 251, at the moment, the first elastic pieces 253 in the mounting holes 251 can be extruded, and the top surfaces of the fixing blocks 252 are arranged in an inclined plane, be convenient for the cooperation between connector 24 and the fixed block 252, be difficult for blocking when making contact between connector 24 and the fixed block 252, be convenient for the slip of fixed block 252, after two drilling rods 2 further remove, joint block 231 of one of them drilling rod 2 meshes with the draw-in groove 241 of another drilling rod 2, connector 24 is located the bottom in joint hole 23 this moment, because be provided with the step axle 242 to the central shrink of drilling rod 2 on the connector 24, fixed block 252 is under the circumstances that does not have the butt this moment, can be popped out because the reseing of first elastic component 253, connector 24 is located between joint block 231 and a plurality of fixed block 252 this moment, from this moment when a plurality of drilling rods 2 are connected, it can drive all drilling rods 2 and move together to carry the drilling rod 2 that is located the topmost to carry, be convenient for drive mechanism 121 carries all drilling rods 2 to subaerial, be convenient for the connection cooperation between a plurality of drilling rods 2.
As shown in fig. 5, 6 and 8 to 11: the fixing assembly 25 is further provided with a transmission assembly 254 for loosely holding the connecting head 24.
Since the drill rod 2 needs to be released from the fixing assembly 25 after being lifted to the ground, so as to place the drill rod 2 on the displacement frame again, the connection head 24 can be released through the transmission assembly 254, the transmission assembly 254 includes a first rack 2541, a second rack 2542 and a gear 2543, a mounting groove 2544 is disposed below each mounting hole 251 of the drill rod 2, one end of the mounting groove 2544, which is far away from the axis of the drill rod 2, extends to the outer wall of the drill rod 2, the gear 2543 is rotatably disposed in the mounting groove 2544, the first rack 2541 is fixedly connected to the bottom of the fixing block 252, the second rack 2542 can be disposed below the gear 2543, the gear 2543 is disposed between the first rack 2541 and the second rack 2542, the first rack 2541 and the second rack 2542 are engaged with the gear 2543, a second elastic member 2545 is disposed on the second rack 2542, two ends of the second elastic member 2545 are respectively connected with one side of the second rack 2542 and the mounting groove 2544, which is close to the gear 2543, so that the drill rod 2542 can be easily pressed against the mounting hole, when the second rack 2542 is moved, and the connection head is easily, and the drill rod 2 is pressed, and the second rack 2542 is easily connected, and the second rack 2542 is pressed by the second rack 2542, and the rod is easily connected, and the rod 2542, and the rod is easily connected to the drill rod 2, when the drill rod is easily connected, to facilitate the operation, a plurality of electric telescopic rods 2546 capable of extending along the radial direction of the through hole 111 are arranged on the inner wall of the through hole 111, the electric telescopic rods 2546 and the second rack 2542 are matched with each other, when the drill rod 2 is pulled up, the joint of the two drill rods 2 is flush with the electric telescopic rods 2546 on the through hole 111, and at the moment, the electric telescopic rods 2546 are released and inserted into the mounting groove 2544 together, so that the connector 24 is loosened, when the plurality of electric telescopic rods 2546 are inserted into the mounting groove 2544, the electric telescopic rods 2546 can also play a role in supporting the drill rod 2, and the burden of the traction mechanism 121 can be reduced.
As shown in fig. 8 to 11: the clamping block 231 can be slidably located in the clamping hole 23, a third elastic piece 2311 is arranged at the bottom of the clamping block 231, and two ends of the third elastic piece 2311 are fixedly connected with the bottom of the clamping block 231 and the top surface of the clamping hole 23 respectively.
When drilling rod 2 needs to extend, because drilling rod 2 itself has the dead weight, if through the direct joint of pressure equipment mechanism 122 between two drilling rods 2, cause the damage of drilling rod 2 easily, influence the life of drilling rod 2, through the setting that joint piece 231 can slide be located joint hole 23, make joint piece 231 can keep the jacking state with its top to joint hole 23 under the spring action of third elastic component 2311, when the joint piece 231 contact of connector 24 of one of them drilling rod 2 and another drilling rod 2, joint piece 231 has played the effect of buffering through third elastic component 2311, impact force when making drilling rod 2 dock diminishes, the life of effectual extension drilling rod 2, the below of joint piece 231 still is provided with a plurality of guide arms 2312, be provided with the guiding hole 2313 with guide arm 2312 mutual matching in the joint hole 23, make joint piece 231 keep self can not rotate when gliding, can lead to the problem of unable butt joint because of rotating when avoiding joint piece 231 and the draw-in groove 241 butt joint on the connector 24, precision when improving the butt joint of drilling rod 2.
As shown in fig. 8 to 11: the top end of the drill rod 2 is provided with a first conical surface 26 which is concave inwards, and the bottom of the drill rod 2 is provided with a second conical surface 27 which is matched with the first conical surface 26.
When two drilling rods 2 dock, because the length of drilling rod 2 is longer, can't guarantee drilling rod 2 and through-hole 111 coaxial completely, for the butt joint of drilling rod 2 of convenience, setting through first conical surface 26 and second conical surface 27, when making two drilling rods 2 dock, because the conical surface makes drilling rod 2 that is located the top can slide to the central line of first conical surface 26 under the effect of gravity, the better butt joint of two drilling rods 2 of being convenient for, make the spout 21 on drilling rod 2 surface can match each other, realize the stable transmission of drilling rod 2 power.
As shown in fig. 7: the rotation mechanism 123 is provided with a docking assembly 28 for adjusting the rotation angle of the drill rod 2.
The docking assembly 28 is preferably a vision camera, since the drill rod 2 moved to the upper side of the through hole 111 by the displacement mechanism 112 is not driven by power at this time, the drill rod 2 is in a fixed state, at this time, the rotation position of the drill rod 2 below is photographed by the vision camera, the photographed picture is transmitted to the controller at the rear end, and the rotation angle of the drill rod 2 on the rotation mechanism 123 is adjusted by the controller, so that two drill rods 2 can be docked accurately, stable transmission of power of the drill rod 2 is realized, meanwhile, the subsequent dismounting and maintenance of the drill rod 2 are facilitated, the automation degree of the equipment is improved, and the burden of workers is reduced.
As shown in fig. 3 and 7: the traction mechanism 121 comprises a mounting disc 1211, two winches 1212 and two pulley blocks 1213, wherein the two winches 1212 are respectively located at two sides of the through hole 111, the two sliding groups are respectively located at two sides of the rotating mechanism 123, the mounting disc 1211 is located below the rotating mechanism 123, the mounting disc 1211 is fixedly connected with two steel cables, and the steel cables penetrate through the pulley blocks 1213 at the same side and are in transmission connection with the winch 1212 at the same side.
The bottom of the drill rod 2 in the rotating mechanism 123 is located through the mounting disc 1211, be provided with the rotatable sliding ring in the mounting disc 1211 and be connected with drill rod 2, do not influence the rotation of drill rod 2 when making the lifting drill rod 2, two assembly pulley 1213 pieces are used for changing the direction of steel cable, make the steel cable can perpendicular to drill rod 2 setting, when the position of drill rod 2 needs to be adjusted, start simultaneously through two hoists 1212, and the rotation opposite direction of two hoists 1212, make two cigarette machines can drive the steel cable shrink, thereby drive the lifting of mounting disc 1211, the lifting of drive drill rod 2 through the lifting of mounting disc 1211, make drill rod 2 can be carried to subaerial, be convenient for to the recovery of drill rod 2, thereby make things convenient for maintenance and the maintenance in later stage.
As shown in fig. 1 to 3: the displacement mechanism 112 includes a plurality of adjustable clamping rods 1121.
Displacement mechanism 112 includes drive assembly 1124 and supporter 1122, supporter 1122 can be slided be located on the material platform 11, be provided with a plurality of feed openings 1123 that match each other with through-hole 111 on the supporter 1122, feed opening 1123 sets up side by side, the quantity of feed opening 1123 is the same and the one-to-one with the quantity of drilling rod 2, drive assembly 1124 includes lead screw 11242 and rotary drive motor 11241, supporter 1122 and lead screw 11242 screw-thread fit, drive lead screw 11242 through rotary drive motor 11241, it slides along material platform 11 to drive supporter 1122 along the lead screw 11242, in proper order with a plurality of feed openings 1123 respectively in through-hole 111 butt joint, a plurality of supporting rods 1121 are located the side of a plurality of feed openings 1123 respectively, supporting rod 1121 is used for carrying out the centre gripping to drilling rod 2, when pressure-mounting mechanism 122 pushes down to drilling rod 1121, the centre gripping of supporter 1121 loosens to drilling rod 1121, can improve the stability that drilling rod 1121 is located on supporter 1122 through supporting rod 1121, make drilling rod 2 be located on the vertical state and be located on supporter 1122, be convenient for extension and butt joint of drilling rod 2.
As shown in fig. 1 to 12: a drilling method of a power head of a rotary drilling rig is applied to the power head of the rotary drilling rig with a moving structure, and comprises the following steps:
s1, driving a drill rod 2 to rotate through a rotating mechanism 123, driving the drill rod 2 to press down through a press-fitting mechanism 122, and driving an excavating head 22 to drill a hole on the ground through the drill rod 2;
s2a, when the length of the drill rods 2 needs to be prolonged, one of the drill rods 2 is driven to be aligned with the through hole 111 through the displacement mechanism 112;
s2b, resetting the press-mounting mechanism 122 to the top of the support frame 1, and fixing the position of the drill rod 2 on the rotating mechanism 123 by the traction mechanism 121;
s2c, the press-fitting mechanism 122 is in contact with the top end of the drill rod 2 on the through hole 111, and drives the press-fitting mechanism to be in butt joint with the top end of the drill rod 2 in the rotating mechanism 123, so that the two drill rods 2 are clamped;
s2d, repeating the step of S1;
and S3, repeating the steps from S2a to S2d according to the depth requirement of the actual drilling operation until the depth requirement of the drilling is met.
The above examples only show one or more embodiments of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (10)
1. A rotary drilling rig power head with a moving structure comprises a support frame (1), wherein a driving device (12) and a plurality of drill rods (2) are arranged on the support frame (1), and the rotary drilling rig power head is characterized in that a horizontal material carrying table (11) is arranged at the bottom of the support frame (1), a through hole (111) through which the drill rods (2) can pass is formed in the center of the material carrying table (11), and a traction mechanism (121) for traction of the drill rods (2) is arranged beside the through hole (111); the driving device (12) comprises a displacement mechanism (112), a press-fitting mechanism (122) and a rotating mechanism (123), the displacement mechanism (112) can slide on the material loading platform (11) in a reciprocating manner along the horizontal direction, a plurality of drill rods (2) are arranged on the displacement mechanism (112) side by side, and the tops of the drill rods (2) are in clamping fit with the bottoms of the adjacent drill rods (2); the press-fitting mechanism (122) can be vertically slidably positioned on the support frame (1), the rotating mechanism (123) is fixedly connected below the through hole (111), and the axes of the press-fitting mechanism (122) and the rotating mechanism (123) are coaxial with the axis of the through hole (111).
2. The rotary drilling rig power head with the moving structure according to claim 1, wherein a clamping hole (23) is formed in the top end of the drill rod (2), a clamping block (231) used for being clamped with the bottom of the other drill rod (2) is arranged in the clamping hole (23), a connector (24) extending along the axial direction of the drill rod (2) is arranged at the bottom of the drill rod (2), and a clamping groove (241) matched with the clamping block (231) is formed in the bottom of the connector (24).
3. The rotary drilling rig power head with the moving structure according to claim 2, wherein a step shaft (242) with a diameter smaller than that of the drill rod (2) is arranged on the connector (24), and a fixing assembly (25) capable of fixing the connector (24) is arranged at the top of the drill rod (2).
4. The rotary drilling rig power head with the moving structure as claimed in claim 3, characterized in that a transmission assembly (254) for releasing the connecting head (24) is further arranged on the fixed assembly (25).
5. The rotary drilling rig power head with the moving structure according to claim 2, wherein the clamping block (231) is slidably located in the clamping hole (23), a third elastic piece (2311) is arranged at the bottom of the clamping block (231), and two ends of the third elastic piece (2311) are fixedly connected with the bottom of the clamping block (231) and the top surface of the clamping hole (23) respectively.
6. The rotary drilling rig power head with the moving structure according to any one of claims 1-5, characterized in that the top end of the drill rod (2) is a first inward concave conical surface (26), and the bottom of the drill rod (2) is provided with a second conical surface (27) matched with the first conical surface (26).
7. The rotary drilling rig power head with the moving structure according to any one of claims 1-5, characterized in that the rotating mechanism (123) is provided with a butt joint assembly (28) for adjusting the rotating angle of the drill rod (2).
8. The rotary drilling rig power head with the moving structure according to any one of claims 1-5, wherein the traction mechanism (121) comprises a mounting disc (1211), two winches (1212) and two pulley blocks (1213), the two winches (1212) are respectively located on two sides of the through hole (111), the two sliding sets are respectively located on two sides of the rotating mechanism (123), the mounting disc (1211) is located below the rotating mechanism (123), and two steel cables are fixedly connected to the mounting disc (1211) and are in transmission connection with the winches (1212) on the same side through the pulley blocks (1213) on the same side.
9. The rotary drilling rig power head with moving structure according to any one of claims 1-5, characterized in that the displacement mechanism (112) comprises a plurality of adjustable clamping rods (1121).
10. The drilling method of the power head of the rotary drilling rig adopts the power head of the rotary drilling rig with the moving structure, which is disclosed by claim 9, and is characterized by comprising the following steps of:
s1, driving a drill rod (2) to rotate through a rotating mechanism (123), driving the drill rod (2) to press down through a press-fitting mechanism (122), and driving an excavating head (22) to drill a hole on the ground through the drill rod (2);
s2a, when the length of the drill rods (2) needs to be prolonged, one of the drill rods (2) is driven to be aligned with the through hole (111) through the displacement mechanism (112);
s2b, resetting the press-mounting mechanism (122) to the top of the support frame (1), and fixing the position of the drill rod (2) on the rotating mechanism (123) by the traction mechanism (121);
s2c, the press-fitting mechanism (122) is in contact with the top end of the drill rod (2) on the through hole (111) and drives the press-fitting mechanism to be in butt joint with the top end of the drill rod (2) in the rotating mechanism (123), so that the two drill rods (2) are clamped;
s2d, repeating the step of S1;
and S3, repeating the steps from S2a to S2d according to the depth requirement of the actual drilling operation until the depth requirement of the drilling is met.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310083917.1A CN115807618B (en) | 2023-02-09 | 2023-02-09 | Rotary drilling rig power head with moving structure and drilling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310083917.1A CN115807618B (en) | 2023-02-09 | 2023-02-09 | Rotary drilling rig power head with moving structure and drilling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115807618A true CN115807618A (en) | 2023-03-17 |
| CN115807618B CN115807618B (en) | 2023-05-02 |
Family
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| CN202310083917.1A Active CN115807618B (en) | 2023-02-09 | 2023-02-09 | Rotary drilling rig power head with moving structure and drilling method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681134A (en) * | 2018-12-28 | 2019-04-26 | 泰安卓信自动化科技有限公司 | Drill rod connector |
| CN111720072A (en) * | 2020-06-11 | 2020-09-29 | 盐城市欧特威机械科技有限公司 | Geological drill rod for coal mine |
| CN112096281A (en) * | 2020-09-16 | 2020-12-18 | 尚俏佳 | Drilling, pile splicing and pile planting all-in-one machine and construction method thereof |
| CN112240159A (en) * | 2020-10-09 | 2021-01-19 | 山河智能装备股份有限公司 | Precast tubular pile implanting device and pile implanting construction method |
| CN213869759U (en) * | 2020-11-19 | 2021-08-03 | 沧州格锐特钻头有限公司 | Rotary drilling type composite drill bit |
| CN113775304A (en) * | 2021-09-17 | 2021-12-10 | 浙江易和岩土工程有限公司 | Device and method for connecting or disconnecting drill rod and power head of hole forming pile machine |
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2023
- 2023-02-09 CN CN202310083917.1A patent/CN115807618B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681134A (en) * | 2018-12-28 | 2019-04-26 | 泰安卓信自动化科技有限公司 | Drill rod connector |
| CN111720072A (en) * | 2020-06-11 | 2020-09-29 | 盐城市欧特威机械科技有限公司 | Geological drill rod for coal mine |
| CN112096281A (en) * | 2020-09-16 | 2020-12-18 | 尚俏佳 | Drilling, pile splicing and pile planting all-in-one machine and construction method thereof |
| CN112240159A (en) * | 2020-10-09 | 2021-01-19 | 山河智能装备股份有限公司 | Precast tubular pile implanting device and pile implanting construction method |
| CN213869759U (en) * | 2020-11-19 | 2021-08-03 | 沧州格锐特钻头有限公司 | Rotary drilling type composite drill bit |
| CN113775304A (en) * | 2021-09-17 | 2021-12-10 | 浙江易和岩土工程有限公司 | Device and method for connecting or disconnecting drill rod and power head of hole forming pile machine |
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| CN115807618B (en) | 2023-05-02 |
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