CN218439268U - Automatic rod changing system of three-degree-of-freedom drilling machine - Google Patents

Abstract

The utility model discloses an automatic rod changing system of a three-degree-of-freedom drilling machine, which comprises a drill rod bent frame, a transverse moving mechanism, a lifting mechanism, a swing mechanism and a clamping mechanism, wherein the transverse moving mechanism is arranged at the lower end of one side of the drill rod bent frame; the utility model discloses a top drive formula unit head rig trades whole automation of drilling rod work for the probing process becomes smooth and fast, has saved manpower and materials, has reduced the potential safety hazard, great improvement trade the efficiency of drilling rod, this is a pole system of trading of brand-new form, has higher degree of automation, higher efficiency and the more friendly characteristics to the drilling rod than conventional pole machine of trading; it is worth mentioning that, for traditional pole machine of trading, what the fixture centre gripping of this patent is the body part of drilling rod, has stopped the damage to the drilling rod joint knot root.

Description

Automatic rod changing system of three-degree-of-freedom drilling machine

Technical Field

The utility model belongs to the technical field of the drilling industry top drive formula unit head rig trades the drilling rod, concretely relates to three degree of freedom rigs are from moving pole system.

Background

With the increasing explosion of the exploration industry, higher and higher requirements are also placed on the development progress of the drilling technology. The top drive type power head drilling machine is an advanced and efficient drilling machine, is still in a starting stage in China at present, and is not very widely applied. However, with the development of society, the drilling machine with higher integration level, safer personnel and equipment and higher working efficiency is necessarily applied to more fields such as petroleum, coal mines, emergency rescue and the like. Meanwhile, in order to further improve the drilling efficiency, the time for changing and connecting the drill rod must be shortened, and at present, the manual labor is mainly used. The labor intensity is high, the potential safety hazard is high, the labor cost is wasted, the long-acting rate is low when the device is used, and the like.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide an automatic pole system that trades of three degree of freedom rigs to there are a lot of not enough in the human labor who proposes in solving above-mentioned background art, intensity of labour is big, the potential safety hazard is high, extravagant human cost, the problem that the long-term efficiency is low when using.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a three degree of freedom rigs are from moving pole system, includes drilling rod framed bent, sideslip mechanism, elevating system, rotation mechanism and fixture, drilling rod framed bent one side lower extreme is provided with sideslip mechanism, the sideslip mechanism upper end slides and is provided with elevating system, the elevating system surface is provided with rotation mechanism, rotation mechanism one side is provided with fixture.

Preferably, the drill rod bent frame comprises a bent frame beam rear part and a bent frame beam front part, the bent frame beam rear part is connected with the bent frame beam front part through a hinge, anti-collision cushions are arranged at two ends of the bent frame beam rear part, a supporting leg is fixedly connected with one end of the lower part of the bent frame beam rear part, a supporting leg frame is fixedly connected with the other end of the lower part of the bent frame beam rear part, a supporting leg cylinder is fixedly mounted on the surface of the supporting leg frame, a bent frame limit is arranged on one side of the upper end of the supporting leg, the bent frame limit is connected with the beam through a rotating shaft and rotates relative to the beam, a positioning hole is formed in the bent frame limit, a lifting roller mechanism is mounted and fixed on the other side of the bent frame limit, a support is mounted and fixed on the other side of the bent frame limit, the support is connected with a beam welding part through a bolt, a second hydraulic cylinder is arranged on one side of the support, an asymmetric V-shaped wheel is arranged on the upper end of the support, a first hydraulic motor is arranged on one side of the asymmetric V-shaped wheel, and a joint of the bent frame beam front part and the supporting leg is provided with a first hydraulic cylinder.

The transverse moving mechanism comprises a base, two guide rails and a transverse moving platform, a rack is mounted between the two guide rails through bolts, rollers are mounted on two sides of the transverse moving platform respectively, the two rows of rollers are arranged, limiting guide wheels are mounted at two ends of the side face of the transverse moving platform respectively, and a second hydraulic motor is fixedly mounted at one end of the transverse moving platform through bolts.

The lifting mechanism comprises a base, a stand column guide rail and a lifting platform, a plurality of holes are formed in the top, corresponding to the transverse moving platform, of the base, the lifting mechanism is fixedly connected with the transverse moving mechanism through bolts, the back of the lifting platform is fixedly provided with a rail clamping block through bolts, the lifting platform is connected with the stand column guide rail in a sliding mode, one end of a lifting oil cylinder is hinged to the base, and the other end of the lifting oil cylinder is hinged to the lifting platform.

Slewing mechanism includes that revolving rack, slewing bearing take the tooth with the outer lane, slewing mechanism passes through bolt and elevating system's lift platform fixed connection, the revolving rack passes through bolt and slewing bearing's inner circle fixed connection, bolt fixed connection hydraulic motor is passed through to revolving rack one end, fixedly connected with pinion on hydraulic motor's the output shaft, pinion and slewing bearing's outer lane tooth meshing.

The clamping mechanism comprises a cross arm, the cross arm is inserted into a rotary frame in the rotary mechanism and then is fixedly locked through bolts, clamp boxes are fixedly arranged at two ends of the cross arm through bolts, clamp seats are symmetrically arranged in the clamp boxes and are fixedly connected with the clamp boxes through rotating shafts and can rotate relative to the clamp boxes, the clamp seats are fixedly locked with chucks through pin shafts, the chucks can be changed according to different specifications of drill rods, the clamp seats are two in number and are respectively hinged with two ends of a third hydraulic oil cylinder, opening and closing of the chucks are controlled through stretching of the third hydraulic oil cylinder, a centering mechanism is designed in the middle of the clamp seats, the centering mechanism is a symmetrical rocker slider mechanism, a connecting rod, a slider and a sliding column are arranged in each clamp box, the slider slides on the sliding column and forms a rocker with the clamp seat, and the two ends of the connecting rod are respectively hinged with the clamp seats and the slider.

Compared with the prior art, the utility model provides a three degree of freedom rigs are from moving pole system possesses following beneficial effect: the utility model discloses a top drive formula unit head rig trades whole automation of drilling rod work for the probing process becomes smooth and fast, has saved manpower and materials, has reduced the potential safety hazard, great improvement trade the efficiency of drilling rod, this is a pole system of trading of brand-new form, has higher degree of automation, higher efficiency and the more friendly characteristics to the drilling rod than conventional pole machine of trading; it is worth mentioning that for traditional pole machine that trades, the fixture centre gripping of this patent is the body part of drilling rod, has stopped the damage to tool joint knot root.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural diagram of an automatic rod changing system of a three-degree-of-freedom drilling machine according to the present invention;

fig. 2 is a schematic structural view of a drill rod bent frame provided by the present invention;

fig. 3 is a first schematic diagram of a bent limit provided by the present invention;

fig. 4 is a second schematic diagram of bent frame limiting according to the present invention;

fig. 5 is a first schematic view of the traversing mechanism according to the present invention;

fig. 6 is a schematic view of a second transverse moving mechanism provided by the present invention;

fig. 7 is a schematic view of a third transverse moving mechanism provided by the present invention;

fig. 8 is a schematic view of a lifting mechanism according to the present invention;

FIG. 9 is a schematic view of a swing mechanism according to the present invention;

fig. 10 is a first schematic view of a clamping mechanism according to the present invention;

fig. 11 is a schematic view of a second clamping mechanism according to the present invention;

in the figure:

1. a drill rod bent frame; 1.1, a crash cushion; 1.2, the rear part of a bent frame beam; 1.3, limiting the bent frames; 1.4, a hinge; 1.5, the front part of a bent frame beam; 1.6, a first hydraulic oil cylinder; 1.7, supporting legs; 1.8, a bracket; 1.9, a second hydraulic oil cylinder; 1.10, a support; 1.11, an asymmetric V-shaped wheel; 1.12, a first hydraulic motor; 1.13, a supporting leg frame; 1.14, a support oil cylinder;

2. a traversing mechanism; 2.1, guide rails; 2.2, a rack; 2.3, a second hydraulic motor; 2.4, transversely moving the platform; 2.5, limiting guide wheels; 2.6, rollers;

3. a lifting mechanism; 3.1, upright column guide rails; 3.2, lifting the platform; 3.3, a track clamping block; 3.4, lifting the oil cylinder;

4. a swing mechanism; 4.1, a revolving frame; 4.2, a hydraulic motor; 4.3, pinion; 4.4, slewing bearing;

5. a clamping mechanism; 5.1, a cross arm; 5.2, a clamp box; 5.3, a third hydraulic oil cylinder; 5.4, a rotating shaft; 5.5, a clamp seat; 5.6, a chuck; 5.7, connecting rods; 5.8, a sliding block; 5.9, a sliding column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1-11, the present invention provides a technical solution: the automatic rod changing system of the three-degree-of-freedom drilling machine comprises a drill rod bent frame 1, a transverse moving mechanism 2, a lifting mechanism 3, a rotating mechanism 4 and a clamping mechanism 5, wherein the transverse moving mechanism 2 is arranged at the lower end of one side of the drill rod bent frame 1, the lifting mechanism 3 is arranged at the upper end of the transverse moving mechanism 2 in a sliding mode, the rotating mechanism 4 is arranged on the surface of the lifting mechanism 3, and the clamping mechanism 5 is arranged on one side of the rotating mechanism 4.

In the utility model, preferably, the drill rod bent frame 1 comprises a bent frame beam rear part 1.2 and a bent frame beam front part 1.5, the bent frame beam rear part 1.2 is connected with the bent frame beam front part 1.5 through a hinge 1.4, the two ends of the bent frame beam rear part 1.2 are both provided with crash-proof cushions 1.1, one end of the lower part of the bent frame beam rear part 1.2 is fixedly connected with a support leg 1.7, the other end of the lower part of the bent frame beam rear part 1.2 is fixedly connected with a support leg frame 1.13, the surface of the support leg frame 1.13 is fixedly provided with a support leg oil cylinder 1.14, one side of the upper end of the support leg 1.7 is provided with a bent frame limit 1.3, the bent frame limit 1.3 is connected with the beam through a rotating shaft, the lifting roller mechanism is fixedly arranged on the other side of the bent frame limit 1.3, a support 1.8 is fixedly arranged on the other side of the bent frame limit 1.3, the support 1.8 is connected with a welded part of the cross beam through a bolt, a second hydraulic cylinder 1.9 is arranged on one side of the support 1.8, a support 1.10 is arranged on one side of the second hydraulic cylinder 1.9, an asymmetric V-shaped wheel 1.11 is arranged at the upper end of the support 1.10, a first hydraulic motor 1.12 is arranged on one side of the asymmetric V-shaped wheel 1.11, and a first hydraulic cylinder 1.6 is arranged at the joint of the front part 1.5 of the bent frame cross beam and the support leg 1.7; the drill rod bent frame 1 is a device for placing drill rods and conveying the drill rods to a host machine; a pair of supporting legs 1.7 are respectively arranged at the front and the back of the crossbeam, and the telescopic supporting legs 1.7 can adjust the front and back height of the crossbeam; a section of the front part of the beam is movable, is hinged with the beam at the rear part and is controlled to be supported and put down through a first hydraulic oil cylinder 1.6; a movable limiting block is arranged at the position, close to the front, in the middle of the cross beam, an asymmetric V-shaped wheel 1.11 is arranged at the other side of the limiting block, and the asymmetric V-shaped wheel 1.11 can be lifted through a guide rod and a second hydraulic oil cylinder 1.9 so as to move the drill rods one by one from one side of the limiting block to the other side; and one of the 2 asymmetric V-shaped wheels 1.11 in the drill rod bent frame 1 is provided with a first hydraulic motor 1.12, and when the 2 asymmetric V-shaped wheels 1.11 lift the drill rod, the wheel can be rotated to adjust the position of the drill rod; the front and rear ends of the beam are provided with crash cushions 1.1.

In the utility model, preferably, the traversing mechanism 2 comprises a base, two guide rails 2.1 and two traversing platforms 2.4, the number of the guide rails 2.1 is two, a rack 2.2 is arranged between the two guide rails 2.1 through a bolt, two sides of each traversing platform 2.4 are respectively provided with a roller 2.6, the number of the rollers 2.6 is two, two ends of the side surface of each traversing platform 2.4 are respectively provided with a limiting guide wheel 2.5, and one end of each traversing platform 2.4 is fixedly provided with a second hydraulic motor 2.3 through a bolt; a base and a guide rail 2.1 of a transverse moving mechanism 2 of the host are integrated, and a rack 2.2 is fixed on the guide rail 2.1; two rows of upper and lower rollers 2.6 are arranged on two sides of the transverse moving platform 2.4 and matched with the guide rail 2.1, and limiting wheels are arranged on two sides, so that the transverse moving platform 2.4 can move smoothly on the guide rail 2.1; one end of the traverse platform 2.4 is provided with a hydraulic motor 4.2 for providing power, and a pinion 4.3 is arranged on a motor shaft and is matched with a rack 2.2 on the guide rail 2.1.

In the utility model, preferably, the lifting mechanism 3 comprises a base, a column guide rail 3.1 and a lifting platform 3.2, a plurality of holes are arranged on the base corresponding to the top of the transverse moving platform 2.4, so that the lifting mechanism 3 is fixedly connected with the transverse moving mechanism 2 through bolts, a track clamping block 3.3 is fixed on the back of the lifting platform 3.2 through bolts, the lifting platform 3.2 is slidably connected with the column guide rail 3.1, one end of a lifting oil cylinder 3.4 is hinged with the base, and the other end of the lifting oil cylinder 3.4 is hinged with the lifting platform 3.2; the upright post guide rail 2.1 of the lifting mechanism 3 is connected with the transverse moving platform 2.4 of the transverse moving mechanism 2 through a bolt; the lifting platform 3.2 is fixed on the upright post guide rail 2.1 in a sliding manner, and power is provided by a hydraulic oil cylinder to control the movement of the lifting platform 3.2.

In the utility model, preferably, the revolving mechanism 4 comprises a revolving frame 4.1, a revolving support 4.4 and outer ring teeth, the revolving mechanism 4 is fixedly connected with a lifting platform 3.2 of the lifting mechanism 3 through bolts, the revolving frame 4.1 is fixedly connected with the inner ring of the revolving support 4.4 through bolts, one end of the revolving frame 4.1 is fixedly connected with a hydraulic motor 4.2 through bolts, a pinion 4.3 is fixedly connected to an output shaft of the hydraulic motor 4.2, and the pinion 4.3 is meshed with the outer ring teeth of the revolving support 4.4; the gear-shaped outer ring of the slewing bearing 4.4 of the slewing mechanism 4 is connected with the lifting platform 3.2 of the lifting mechanism 3 through a bolt, the inner ring of the slewing bearing 4.4 is connected with the slewing frame 4.1 through a bolt, a hydraulic motor 4.2 is installed at one end of the slewing frame 4.1, a pinion 4.3 is installed on a motor shaft and meshed with the gear teeth of the outer ring of the slewing bearing 4.4, and therefore the slewing frame 4.1 is driven to rotate relative to the lifting platform 3.2.

In the utility model, preferably, the clamping mechanism 5 includes a cross arm 5.1, the cross arm 5.1 is inserted into a rotary frame 4.1 in the rotary mechanism 4 and then is locked through bolt fixing, the two ends of the cross arm 5.1 are provided with clamp boxes 5.2 through bolt fixing, clamp seats 5.5 are symmetrically arranged in the clamp boxes 5.2, the clamp seats 5.5 are fixedly connected with the clamp boxes 5.2 through a rotating shaft 5.4 and can rotate relative to the clamp boxes 5.2, the clamp seats 5.5 are fixedly locked with the chucks 5.6 through pin shafts, the chucks 5.6 can be changed according to drill rods with different specifications, the clamp seats 5.5 are two in number and are respectively hinged with the two ends of a third hydraulic cylinder 5.3, the opening and closing of the chucks 5.6 are controlled through the expansion of the third hydraulic cylinder 5.3, a centering mechanism is designed in the middle of the two clamp seats 5.5.5, the centering mechanism is a symmetrical rocker slider mechanism, a connecting rod 5.7, a slider 5.8 is arranged in the clamp box 5.2, a slider 5.8 is hinged with a sliding rod 5.9, and two sliding blocks are respectively hinged with the clamp seats 5.5.5 and form a slider; a cross arm 5.1 of the clamping mechanism 5 is connected with a rotary frame 4.1 of the rotary mechanism 4 through a bolt, and the cross arm 5.1 is connected with clamps at two ends through bolts; in the clamp, a clamp seat 5.5 and a clamp box 5.2 are fixed through a rotating shaft 5.4, the clamp seat 5.5 can rotate relative to the clamp box 5.2, and the tails of the two clamp seats 5.5 are hinged through a third hydraulic oil cylinder 5.3 to control the opening and closing of the clamp; the chuck 5.6 is fixedly locked with the clamp seat 5.5 through two pin shafts; a centering mechanism is arranged between the two clamping seats to ensure that the opening and closing actions of the clamping seat 5.5 and the clamping head 5.6 can be synchronous and symmetrical.

Example two

Referring to fig. 1-11, the present invention provides a technical solution: the automatic rod changing system of the three-degree-of-freedom drilling machine comprises a drill rod bent frame 1, a transverse moving mechanism 2, a lifting mechanism 3, a rotating mechanism 4 and a clamping mechanism 5, wherein the transverse moving mechanism 2 is arranged at the lower end of one side of the drill rod bent frame 1, the lifting mechanism 3 is arranged at the upper end of the transverse moving mechanism 2 in a sliding mode, the rotating mechanism 4 is arranged on the surface of the lifting mechanism 3, and the clamping mechanism 5 is arranged on one side of the rotating mechanism 4.

The drill pipe to be replaced or the replaced drill pipe is placed on a drill pipe bent frame 1, the drill pipe bent frame 1 comprises a bent frame beam rear part 1.2 and a bent frame beam front part 1.5, the bent frame beam rear part and the bent frame beam front part are connected through a hinge 1.4, and an anti-collision buffer pad 1.1 is arranged at the end part of the bent frame beam; the front end of the rear part 1.2 of the bent frame beam is fixedly connected with a supporting leg 1.7, the rear end of the bent frame beam is fixedly connected with a supporting leg frame 1.13, and a supporting leg oil cylinder 1.14 is arranged on the supporting leg frame 1.13; the back height and the front height of the cross beam in the rod-up process can be formed by adjusting the telescopic amount of the supporting leg oil cylinder 1.14, so that the drill rod rolls towards the host machine or the back height and the front height of the cross beam in the rod-down process are formed, and the drill rod rolls away from the host machine; a bent limiting 1.3 is arranged at a position close to the supporting leg 1.7, is connected with the cross beam through a rotating shaft, can rotate relative to the cross beam, is provided with a positioning hole, and is locked by penetrating a pin shaft into the positioning hole when the limiting block is supported or falls down; the bent limiting 1.3 supports to block the drill rod in the rod feeding process, and the bent limiting 1.3 falls down to enable the drill rod to freely roll from the front end to the rear end on the cross beam in the rod discharging process; a lifting roller mechanism is fixedly arranged on the other side of the bent frame limit 1.3 and comprises a bracket 1.8 which is connected with a welding part of the beam part through a bolt, an asymmetric V-shaped wheel and a support seat 1.10 thereof are connected with the bracket 1.8 in a sliding way through a guide rod and provide power through an oil cylinder 1.9; one of the two asymmetric V-shaped wheels of the drill rod bent frame 1 is provided with a first hydraulic motor 1.12 for providing rotating power; in the rod feeding process, the drill rod is blocked at the position limited by the bent frame by 1.3, when needed, the second hydraulic oil cylinder 1.9 extends to prop up the asymmetric V-shaped wheel 1.11, the asymmetric V-shaped wheel 1.11 lifts one drill rod to exceed the position limited by the bent frame by 1.3, and the drill rod rolls to the bottom of the asymmetric V-shaped wheel 1.11; then the first hydraulic motor 1.12 can be controlled to act to drive the asymmetric V-shaped wheel 1.11 to rotate so as to adjust the position of a drill rod on the V-shaped wheel and enable the drill rod to be in a correct position range relative to the clamping mechanism 5; then the second hydraulic cylinder 1.9 is shortened to lower the asymmetric V-shaped wheel 1.11 below the plane of the cross beam, and in the process, the drill rod enters the bent frame limit 1.3 and the other side of the drill rod rolls to the foremost end of the cross beam; one end of a first hydraulic oil cylinder 1.6 is hinged and fixed with the supporting leg 1.7, and the other end is hinged and fixed with the front part 1.5 of the bent frame beam, so that the rotation of the front part 1.5 of the bent frame beam relative to the rear part 1.2 of the bent frame beam is controlled, and the aim is to prevent the drill rod from interfering with the front part 1.5 of the bent frame beam when the clamping mechanism 5 clamps the drill rod and the rotating mechanism 4 rotates.

The transverse moving mechanism 2 comprises a base and guide rails 2.1, and a rack 2.2 is arranged between the two guide rails through bolts; two rows of rollers 2.6 are respectively arranged on two sides of the transverse moving platform 2.4, 3 rollers are arranged on the upper row, and 3 rollers are arranged on the lower row to clamp the track, so that the transverse moving platform 2.4 can move on the track; meanwhile, two limiting guide wheels 2.5 are respectively arranged at two ends of the side surface of the transverse moving platform 2.4, and the limiting guide wheels at two sides of the transverse moving platform 2.4 clamp the side surface of the track so as to ensure that the side surface of the track and the roller 2.6 do not generate friction when the transverse moving platform 2.4 moves on the track, thereby ensuring the smoothness of the movement of the transverse moving platform 2.4 on the track; a second hydraulic motor 2.3 is fixed on the rear part of the transverse moving platform 2.4 through a bolt, and a pinion is arranged on an output shaft of the second hydraulic motor 2.3 and meshed with the rack 2.2; the power for moving the transverse moving platform 2.4 on the track 2.1 is provided by a second hydraulic motor 2.3 and is transmitted by a gear rack mechanism; a plurality of holes are drilled at the top of the transverse moving platform 2.4 so as to facilitate the connection of the lifting mechanism 3 and the transverse moving mechanism 2.

The lifting mechanism 3 comprises a base and a column guide rail 3.1, a plurality of holes are punched on the base corresponding to top holes of the transverse moving platform 2.4, so that the lifting mechanism 3 is fixedly connected with the transverse moving mechanism 2 through bolts; the back of the lifting platform 3.2 is fixed with track clamping blocks 3.3 through bolts, and the track is clamped by the 3 track clamping blocks 3.3 on the two sides respectively, so that the lifting platform 3.2 can slide up and down on the upright post guide rail 3.1; one end of the lifting oil cylinder 3.4 is hinged with the base, and the other end is hinged with the lifting platform 3.2, so that power is provided for the lifting platform 3.2 to slide on the upright post guide rail 3.1; a plurality of holes are uniformly distributed on the front circumference of the lifting platform 3.2 corresponding to the holes on the outer gear ring of the slewing bearing 4.4 in the slewing mechanism 4, so that the slewing mechanism 4 is conveniently connected with the lifting mechanism 3.

The slewing mechanism 4 comprises a slewing bearing 4.4, the outer ring of the slewing bearing is provided with teeth and is fixedly connected with a lifting platform 3.2 of the lifting mechanism 3 through a bolt; the rotary frame 4.1 is fixedly connected with the inner ring of the rotary support 4.4 through a bolt, one end of the rotary frame is fixedly connected with a hydraulic motor 4.2 through a bolt, and an output shaft of the hydraulic motor 4.2 is fixedly connected with a pinion 4.3 which is meshed with the outer ring teeth of the rotary support 4.4; the hydraulic motor 4.2 outputs power to rotate the pinion 4.3, so that the rotary frame 4.1 is driven to rotate relative to the lifting mechanism 3.

The clamping mechanism 5 comprises a cross arm 5.1 which can be inserted into a rotary frame 4.1 in the rotary mechanism 4 and then is fixedly locked by bolts; the two ends of the cross arm 5.1 are fixed with the clamp box 5.2 through bolts, the two clamp seats 5.5 are symmetrically arranged in the clamp box 5.2, and are fixed with the clamp box 5.2 through a rotating shaft 5.4 and can rotate relative to the clamp box 5.2; the chuck 5.6 is fixedly locked with the clamp seat 5.5 through a pin shaft, and the chuck 5.6 has various specifications and can be replaced according to drill rods with different specifications; two ends of a third hydraulic oil cylinder 5.3 are respectively hinged with the two clamp seats 5.5, and the opening and closing of the clamp head 5.6 are controlled by the expansion and contraction of the third hydraulic oil cylinder 5.3; a centering mechanism is designed between the two clamp seats 5.5, and the centering mechanism is a symmetrical rocker-slider mechanism; the sliding block 5.8 slides on the sliding column 5.9, the clamp seat 5.5 forms a rocker, and two ends of the connecting rod 5.7 are respectively hinged with the clamp seat 5.5 and the sliding block 5.8; this allows the jaws 5.6 to be constrained by the centering mechanism during opening and closing while maintaining positional symmetry at all times.

The utility model discloses a theory of operation and use flow: when the device is used, in the rod loading process, the support oil cylinder 1.14 is controlled to enable the drill rod bent frame 1 to be low in front and high in back, the drill rod automatically rolls towards the direction of a host machine, and the drill rod is blocked at the position limited by the bent frame 1.3; controlling a second hydraulic oil cylinder 1.9 to lift the asymmetric V-shaped wheel 1.11, lifting a drill rod by the asymmetric V-shaped wheel 1.11 to exceed the position limited by the bent frame by 1.3, and rolling to the bottom of the V-shaped wheel; then controlling the first hydraulic motor 1.12 to rotate the asymmetric V-shaped wheel 1.11 to adjust the position of the drill rod on the V-shaped wheel, so that the drill rod is in a correct position range relative to the clamping mechanism 5; then the second hydraulic cylinder 1.9 is shortened to lower the asymmetric V-shaped wheel 1.11 below the plane of the cross beam, and then the drill rod enters the bent frame limit 1.3 and the other side of the drill rod rolls to the foremost end of the cross beam; controlling a hydraulic motor 4.2 to enable a cross arm 5.1 to rotate to a horizontal position, controlling a second hydraulic motor 2.3 to enable a transverse moving mechanism 2 to move to a direction away from a drilling machine, then keeping a chuck 5.6 open, controlling a lifting oil cylinder 3.4 to enable the chuck 5.6 to move downwards to the center of a drill rod, and then closing the chuck 5.6 to clamp the drill rod; then the lifting platform 3.2 moves upwards, the transverse moving platform 2.4 moves towards the direction of the host, and the first hydraulic oil cylinder 1.6 contracts to enable the front part 1.5 of the bent frame beam to rotate downwards; controlling the rotation mechanism 4 to rotate at a position where the drill rod cannot interfere so as to enable the drill rod to rise obliquely upwards to align with a top drive power head of the drilling machine; after the drill rod is fastened and fixed on the top driving force head, the chuck 5.6 is loosened, the transverse moving platform 2.4 moves towards the direction far away from the host machine, and the swing mechanism 4 is controlled to enable the transverse arm 5.1 to recover the horizontal state; then the first hydraulic oil cylinder 1.6 is controlled to extend to enable the front part 1.5 of the bent frame beam to rotate upwards to be horizontal;

in the rod descending process, the support oil cylinder 1.14 is controlled to enable the drill rod bent frame 1 to be high in front and low in back, the drill rod automatically rolls in the direction away from the host, the bent frame limit 1.3 is adjusted to be always in a falling state, and the asymmetric V-shaped wheel 1.11 is always below the plane of the cross beam; before the drill rod is unloaded, the first hydraulic oil cylinder 1.6 is controlled to contract to enable the front part 1.5 of the bent frame beam to rotate downwards, the second hydraulic motor 2.3 is controlled to enable the transverse moving mechanism 2 to move towards the drilling machine, the chuck 5.6 is kept to be opened, then the slewing mechanism 4 and the lifting mechanism 3 are adjusted to enable the drill rod to enter the center of the chuck 5.6, and then the chuck 5.6 is closed to clamp the drill rod; the top driving force head is buckled and loosened to loosen the drill rod, the transverse moving mechanism 2 moves towards the direction far away from the drilling machine, the rotating mechanism 4 is controlled to rotate at the position where the drill rod cannot interfere to enable the drill rod to be in a horizontal state, and then the first hydraulic oil cylinder 1.6 is controlled to extend to enable the front part 1.5 of the bent frame beam to rotate upwards to be horizontal; and continuously adjusting the transverse moving mechanism 2 and the lifting mechanism 3 to enable the drill rod to be positioned a little above the bent frame cross beam, loosening the chuck 5.6, placing the drill rod on the bent frame cross beam, and automatically rolling the drill rod to the rear part of the cross beam.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an automatic pole system that trades of three degree of freedom rigs, includes drilling rod framed bent (1), sideslip mechanism (2), elevating system (3), rotation mechanism (4) and fixture (5), its characterized in that: the drilling rod bent frame is characterized in that a transverse moving mechanism (2) is arranged at the lower end of one side of the drilling rod bent frame (1), a lifting mechanism (3) is arranged at the upper end of the transverse moving mechanism (2) in a sliding mode, a rotating mechanism (4) is arranged on the surface of the lifting mechanism (3), and a clamping mechanism (5) is arranged on one side of the rotating mechanism (4).

2. The automatic rod changing system of the three-degree-of-freedom drilling machine as claimed in claim 1, wherein: the drill rod bent frame (1) comprises a bent frame crossbeam rear part (1.2) and a bent frame crossbeam front part (1.5), the bent frame crossbeam rear part (1.2) and the bent frame crossbeam front part (1.5) are connected through a hinge (1.4), both ends of the bent frame crossbeam rear part (1.2) are provided with anti-collision cushions (1.1), one end of the lower part of the bent frame crossbeam rear part (1.2) is fixedly connected with a supporting leg (1.7), the other end of the lower part of the bent frame crossbeam rear part (1.2) is fixedly connected with a supporting leg frame (1.13), the supporting leg frame (1.13) is fixedly provided with a supporting leg oil cylinder (1.14), one side of the upper end of the supporting leg (1.7) is provided with a bent frame limiting part (1.3), the bent frame limiting part (1.3) is connected with the crossbeam through a rotating shaft, and rotate for the crossbeam, the locating hole has been seted up on framed bent spacing (1.3), the installation of framed bent spacing (1.3) opposite side is fixed with lift roller mechanism, the installation of framed bent spacing (1.3) opposite side is fixed with support (1.8), support (1.8) and crossbeam welded part bolted connection, support (1.8) one side is provided with second hydraulic cylinder (1.9), second hydraulic cylinder (1.9) one side is provided with support (1.10), support (1.10) upper end is provided with asymmetric V type wheel (1.11), asymmetric V type wheel (1.11) one side is provided with first hydraulic motor (1.12), framed bent crossbeam front portion (1.5) and landing leg (1.7) junction are provided with first hydraulic motor (1.11) A hydraulic cylinder (1.6).

3. The automatic rod changing system of the three-degree-of-freedom drilling machine as claimed in claim 1, wherein: the transverse moving mechanism (2) comprises a base, guide rails (2.1) and a transverse moving platform (2.4), the number of the guide rails (2.1) is two, a rack (2.2) is installed in the middle of the two guide rails (2.1) through bolts, rollers (2.6) are installed on two sides of the transverse moving platform (2.4) respectively, the number of the rollers (2.6) is two, limiting guide wheels (2.5) are installed at two ends of the side face of the transverse moving platform (2.4) respectively, and a second hydraulic motor (2.3) is installed at one end of the transverse moving platform (2.4) through bolt fixing.

4. The automatic rod changing system of the three-degree-of-freedom drilling machine as claimed in claim 1, wherein: the lifting mechanism (3) comprises a base, a stand column guide rail (3.1) and a lifting platform (3.2), a plurality of holes are formed in the top of the base corresponding to the transverse moving platform (2.4), the lifting mechanism (3) is fixedly connected with the transverse moving mechanism (2) through bolts, a track clamping block (3.3) is fixed on the back of the lifting platform (3.2) through bolts, the lifting platform (3.2) is connected with the stand column guide rail (3.1) in a sliding mode, one end of a lifting oil cylinder (3.4) is hinged to the base, and the other end of the lifting oil cylinder (3.4) is hinged to the lifting platform (3.2).

5. The automatic rod changing system of the three-degree-of-freedom drilling machine as claimed in claim 1, wherein: rotation mechanism (4) take the tooth including revolving rack (4.1), slewing bearing (4.4) and outer lane, rotation mechanism (4) are through lifting platform (3.2) fixed connection of bolt and elevating system (3), inner circle fixed connection of revolving rack (4.1) through bolt and slewing bearing (4.4), bolt fixed connection hydraulic motor (4.2) is passed through to revolving rack (4.1) one end, fixedly connected with pinion (4.3) on the output shaft of hydraulic motor (4.2), pinion (4.3) and the outer lane tooth meshing of slewing bearing (4.4).

6. The automatic rod changing system of the three-degree-of-freedom drilling machine as claimed in claim 1, wherein: the clamping mechanism (5) comprises a cross arm (5.1), the cross arm (5.1) is inserted into a rotary frame (4.1) in the rotary mechanism (4) and then is fixedly locked through a bolt, clamp boxes (5.2) are fixedly arranged at two ends of the cross arm (5.1) through bolts, clamp seats (5.5) are symmetrically arranged in the clamp boxes (5.2), the clamp seats (5.5) are fixedly locked with chucks (5.6) through rotating shafts (5.4), the specifications of the chucks (5.6) can be changed according to different specifications of drill rods, the clamp seats are centered (5.5) and are respectively hinged with two ends of a third hydraulic cylinder (5.3), the clamp seats (5.6) are controlled to be opened or closed through the telescopic control of the chucks (5.6) of the third hydraulic cylinder (5.3), two clamp seats (5.5) are respectively hinged with two ends of a clamp column sliding rod (5.8), and a rocker type sliding rod (5.9) is arranged on the clamp seat (5.5.5.5.5) and is hinged with a clamp column (5.8) and a connecting rod (5.9) and a clamp sliding rod (5.5.5.5) and a rocker type sliding mechanism is arranged on the clamp column (5.5.3).

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