CN108979684B - Drilling machine for preventing bottom plate from being impacted by frame column - Google Patents
Drilling machine for preventing bottom plate from being impacted by frame column Download PDFInfo
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- CN108979684B CN108979684B CN201810851988.0A CN201810851988A CN108979684B CN 108979684 B CN108979684 B CN 108979684B CN 201810851988 A CN201810851988 A CN 201810851988A CN 108979684 B CN108979684 B CN 108979684B
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- telescopic
- cylinder body
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- support
- supporting
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/006—Means for anchoring the drilling machine to the ground
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/003—Bearing, sealing, lubricating details
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/02—Fluid rotary type drives
Abstract
The invention belongs to the technical field of drilling machines, and provides a drilling machine for preventing a bottom plate from being stamped, which comprises a rotating main machine, wherein the rotating main machine is arranged on a main support shaft, a support frame is arranged below the main support shaft, the support frame comprises a support seat, the main support shaft is arranged on the support seat, telescopic support legs are rotatably arranged below the support frame, the number of the telescopic support legs is at least three, the relative low points of the telescopic support legs and the rotating shafts of the support frame are not collinear with each other, and through the technical scheme, the technical problem that the drilling machine capable of meeting the bottom plate stamping and releasing requirements exists in the prior art is.
Description
Technical Field
The invention belongs to the technical field of drilling machines, and relates to a drilling machine for preventing a bottom plate from being scoured by a frame column
Background
The jumbolter is also called anchoring drill in some places, and is a drilling tool in coal mine tunnel bolting work. The method has outstanding advantages in the aspects of improving the supporting effect, reducing the supporting cost, accelerating the roadway forming speed, reducing the auxiliary transportation amount, lightening the labor intensity, improving the utilization rate of the roadway section and the like. The anchor rod drilling machine in the prior art can only meet the requirements of drilling downwards or drilling towards the top, and can not meet the requirements of drilling downwards if the bottom plate is flushed, so that the technical problem that the drilling machine capable of meeting the requirement of flushing the bottom plate cannot be found in the prior art exists.
Disclosure of Invention
The invention provides a drilling machine for preventing a bottom plate from being impacted by a frame column, which solves the technical problem that no drilling machine capable of meeting the requirement of releasing and impacting the bottom plate exists in the prior art.
The technical scheme of the invention is realized as follows:
a drilling machine for preventing a bottom plate from being bent comprises a rotating main machine, wherein the rotating main machine is arranged on a main supporting shaft, a supporting frame is arranged below the main supporting shaft,
the support frame includes the supporting seat, the main tributary bearing shaft sets up on the supporting seat, the support frame below is rotated and is provided with telescopic support leg, telescopic support leg has three at least, telescopic support leg relative low point and the pivot of support frame are each other not collineation.
As a further technical scheme, telescopic support leg with the support frame junction is provided with rolling gear, rolling gear's axis with telescopic support leg is relative the axis of rotation collineation setting of support frame, be provided with the synchronizing shaft along endwise slip in the supporting seat, the equidistance is provided with the protruding edge of profile of a plurality of cross-sections for the profile of tooth on the synchronizing shaft, the protruding edge of profile of tooth sets up along circumference, just the protruding edge of profile of tooth interval with the rolling gear tooth pitch is the same, rolling gear with the meshing is followed to the protruding edge of profile of tooth.
As a further technical scheme, the telescopic supporting leg comprises a plurality of stages of telescopic cylinders, piston rods of the plurality of stages of telescopic cylinders are rotatably connected with the supporting frame, and inserting portions used for increasing the friction force with the ground are arranged at the bottoms of outer cylinder bodies of the plurality of stages of telescopic cylinders.
As a further technical scheme, the telescopic supporting legs further comprise pressing sheets, one end of each pressing sheet is connected with the piston rod of the multistage telescopic cylinder, the other end of each pressing sheet is rotatably provided with a synchronous gear, the outer cylinder body is provided with a synchronous rack, the synchronous racks are meshed with the synchronous gears, and the synchronous gears on two adjacent telescopic supporting legs keep the same rotating speed through universal synchronizing devices.
As a further technical scheme, universal synchronizer includes the telescopic link, the telescopic link includes a plurality of telescope tubes that establish of overlapping in proper order, adjacent two the telescope tube passes through the feather key and connects in week along the keyway of axial setting, the telescope tube in the outside pass through the universal joint with synchronous gear connects, and the telescope tube in the innermost passes through universal joint and another synchronous gear connects.
As a further technical scheme, a reed is further arranged on the pressing piece, the reed is arc-shaped, two ends of the reed are both in contact with the pressing piece, and the middle part of the pressing piece is screwed on a piston rod of the multistage telescopic cylinder through an adjusting bolt.
As a further technical scheme, the multistage telescopic cylinder comprises an outer cylinder body, wherein a plurality of inner cylinder bodies are sequentially sleeved in the outer cylinder body, the piston rod is arranged in the innermost inner cylinder body in a sliding manner, first sealing convex edges for sealing the outer sides of the adjacent inner cylinder bodies or the piston rod are arranged on the inner sides of the outer cylinder body and the inner cylinder body, which are close to the near end of the supporting frame, respectively, a second sealing convex edge for sealing the inner sides of the adjacent inner cylinder bodies or the outer cylinder bodies, which are close to the far end of the supporting frame, is arranged on the outer side of the inner cylinder body, which,
the inner cylinder body with the outer cylinder body outside all is provided with synchronous rack, and a plurality of synchronous racks on the same telescopic support leg interconnect, the sealed protruding edge of second is provided with the synchronous rack that supplies on the adjacent inner cylinder body in inboard to pass the breach.
As a further technical solution, the length of the second sealing flange on the axis is greater than the pitch of the synchronous rack.
As a further technical scheme, the supporting seat top is provided with the mounting hole, the main tributary props the axle setting and is in the mounting hole, the main tributary props the axle and inserts mounting hole one end is provided with the mounting groove along circumference, radially be provided with a plurality of installation screw holes on the supporting seat, be provided with construction bolt in the installation screw hole, construction bolt external diameter with the mounting groove is the same, the main tributary props the axle insert to when the mounting hole bottom, construction bolt is twisted to the top and is tightened the mounting groove.
The working principle and the beneficial effects of the invention are as follows:
1. according to the invention, as the requirement of downward drilling needs to be met, the rotating main machine needs to be arranged downwards, and as the traditional column type frame column drilling machine needs a larger base to keep stable, or the bottom generates an angle jacking force towards the ground to keep stable, the larger base can interfere with the rotating main machine, and the jacking force generated towards the ground can influence the drilling of the drilling machine, the novel support is adopted, the rotating main machine is arranged on the main support shaft, the main support shaft is arranged on the support frame, the support frame is provided with at least three telescopic support legs to be unfolded to realize the erection, and when the drilling machine works and feeds, the telescopic support legs retract, so that the height of the rotating main machine is changed, and the feeding work is realized.
2. According to the invention, the rotating gears are all meshed with the tooth-shaped convex edges, when the telescopic supporting legs are opened, the synchronizing shaft can move downwards due to the meshing relation, and the synchronizing shaft moving downwards can drive other rotating gears to rotate, so that synchronous opening of a plurality of telescopic supporting legs is realized on one hand, the same rotating angle of the plurality of telescopic supporting legs when the plurality of telescopic supporting legs are opened is ensured on the other hand, and erection of a jumbolter and improvement of erection precision of the jumbolter are facilitated.
3. The telescopic support legs are multi-stage telescopic cylinders, the rotary portion of the anchor rod drilling machine can adopt an air motor as power output, and the power source is air pressure, so that the multi-stage telescopic cylinders can share the power source with the rotary portion, and the installation of the anchor rod drilling machine is facilitated.
4. In the invention, when the outer cylinder body of one telescopic supporting leg retracts after extending, the synchronous gear is meshed with the synchronous rack, the synchronous rack drives the synchronous gear to rotate, the universal synchronizer can keep the rotating speeds of the two synchronous gears to be the same, the synchronous gear on the other telescopic supporting leg rotates, and then the outer cylinder body of the other telescopic supporting leg retracts synchronously through the motion of the synchronous rack on the other telescopic supporting leg, when a plurality of telescopic supporting legs retract, the synchronous gears mutually control the synchronous shortening of the plurality of telescopic supporting legs through the consistent rotating speed, thereby ensuring that the angle between a rotating host and the ground can be kept unchanged when the telescopic supporting legs shorten, when a drilling machine is erected, the synchronous gear is not meshed with the synchronous rack by bending a pressing sheet, at the moment, the lengths of the two telescopic supporting legs can be adjusted according to the flatness degree of the ground, after the length of the two telescopic supporting legs is adjusted to enable the supporting seat to be horizontal and the main supporting shaft to be vertical, the pressing sheet can be loosened, the synchronous gear is meshed with the synchronous rack, and the two telescopic supporting legs are kept to be synchronously shortened when the drilling machine feeds the plurality of telescopic supporting legs to be shortened.
5. In the invention, the transmission of two adjacent synchronous gears is realized through a telescopic rod and two universal joints, wherein the telescopic rod consists of a plurality of telescopic sleeves, when a plurality of telescopic supporting legs are not opened, the telescopic rod is in an unstretched state, when the two telescopic supporting legs are opened, the plurality of telescopic sleeves of the telescopic rod extend out and the universal joints connected with the telescopic sleeves are bent, the universal joint can rotate by rotating one synchronous gear, the universal joint drives the telescopic sleeves at the innermost side or the outermost side to rotate, the telescopic sleeves at the innermost side or the outermost side rotate through a sliding key to drive the telescopic sleeves at the outermost side or the innermost side to rotate, and then another universal joint drives another synchronous gear to drill holes to realize the linkage of two adjacent synchronous gears, and under the condition that the angles and the distances of a plurality of synchronous gears are changed after the plurality of telescopic supporting legs are opened, the linkage of the plurality of synchronous gears is realized, the setting is scientific and reasonable.
6. According to the invention, the pressure of the pressing sheet on the synchronous rack by the synchronous gear can be increased through the reed, the two ends of the reed can apply downward pressure when the reed is pressed by screwing the adjusting bolt, so that the effect is achieved, meanwhile, the reed is in contact with the pressing sheet, and the contact with the pressing sheet can be continuously maintained when the telescopic supporting leg rotates.
7. According to the invention, after the multi-stage telescopic cylinder extends out and retracts, the innermost inner cylinder body retracts firstly and drives the synchronous gear to rotate, the plurality of inner cylinder bodies retract synchronously, meanwhile, the synchronous gear is meshed with the synchronous rack on the outer side of the inner cylinder body under the driving of the pressing sheet, so that the two telescopic supporting legs continue to retract synchronously, after the retraction of the inner cylinder bodies is finished, the secondary inner cylinder bodies continue to be synchronous, so that the synchronous retraction of the multi-stage telescopic cylinder is ensured, meanwhile, the sealing effect of the multi-stage telescopic cylinder is ensured by the first sealing convex edge and the second sealing convex edge, the depth of the notch formed in the second sealing convex edge is consistent with the height of the synchronous rack, so that the sealing can be provided for the synchronous rack, and the high-pressure gas is prevented from being leaked in large quantity.
8. In the invention, because the rotating main machine is arranged downwards, the main shaft direction of the rotating main machine needs to be staggered with the axial direction of the main supporting shaft, and the direction of the rotating main machine can not coincide with the extending direction of the telescopic supporting leg, so the position relation of the rotating main machine relative to the supporting seat needs to be adjusted, namely, the angle of the main supporting shaft on the supporting seat is adjusted, in the invention, when the main supporting shaft is inserted into the bottom of the mounting hole, the mounting threaded hole is right opposite to the mounting groove, the top of the mounting bolt is screwed into the mounting groove to prevent the main support shaft from falling off, meanwhile, when the mounting bolt is not tightly pushed, the main supporting shaft can be rotated relative to the supporting seat, after the angle of the main supporting shaft is adjusted, the mounting bolt is screwed down, the end part of the mounting bolt is tightly propped against the bottom of the mounting groove, the main support shaft is mounted and positioned, and the mounting structure is simple in structure, firm in fixation and scientific and reasonable in arrangement.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the universal synchronization apparatus of the present invention;
FIG. 3 is a schematic view of the internal structure of the support base according to the present invention;
FIG. 4 is a schematic view of the telescopic support leg of the present invention;
FIG. 5 is a schematic cross-sectional view of a telescoping support leg of the present invention;
in the figure: 1-rotating main machine, 2-main supporting shaft, 21-mounting groove, 3-supporting frame, 4-supporting seat, 41-rotating gear, 42-synchronizing shaft, 43-tooth-shaped convex edge, 44-mounting hole, 45-mounting threaded hole, 46-mounting bolt, 5-telescopic supporting leg, 51-piston rod, 52-outer cylinder body, 53-insertion part, 54-pressing piece, 55-synchronizing gear, 56-synchronizing rack, 57-universal synchronizing device, 571-telescopic rod, 572-telescopic sleeve, 573-universal joint, 58-horizontal device, 59-reed, 510-adjusting bolt, 511-inner cylinder body and 512-first sealing convex edge.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in the figures 1 to 5,
a drilling machine for preventing a bottom plate from being impacted by a frame column comprises a rotating main machine 1, wherein the rotating main machine 1 is arranged on a main supporting shaft 2, a supporting frame 3 is arranged below the main supporting shaft 2,
support frame 3 includes supporting seat 4, and main tributary supporting axle 2 sets up on supporting seat 4, and 3 below rotations of support frame are provided with telescopic support leg 5, and telescopic support leg 5 has at least threely, and telescopic support leg 5 relative low point and the pivot of support frame 3 are each other not collinear.
In this embodiment, since the requirement of drilling downward needs to be satisfied, the rotating main body 1 needs to be arranged downward, because the traditional column-type frame column drilling machine needs a larger base to keep stable, or the bottom generates an angle jacking force to the ground to keep stable, because the larger base can interfere with the rotating main machine 1, the jacking force generated to the ground can influence the drilling of the drilling machine, therefore, the invention adopts a novel bracket, by arranging the rotating main machine 1 on the main supporting shaft 2, the main supporting shaft 2 is arranged on the supporting frame 3, the supporting frame 3 is provided with at least three telescopic supporting legs 5 which are opened to realize standing, when the drilling machine works and feeds, the plurality of telescopic supporting legs 5 retract, so that the height of the rotating main machine 1 is changed, the feeding work is realized, the structure of the invention is simple, the reliability is high, and the technical problem that the drilling of the frame column drilling machine in the prior art is difficult downwards is solved.
Furthermore, a rotating gear 41 is arranged at the joint of the telescopic supporting leg 5 and the supporting frame 3, the axis of the rotating gear 41 and the rotating shaft of the telescopic supporting leg 5 relative to the supporting frame 3 are arranged in a collinear manner, a synchronizing shaft 42 is arranged in the supporting seat 4 in an axial sliding manner, a plurality of tooth-shaped convex edges 43 with tooth-shaped cross sections are equidistantly arranged on the synchronizing shaft 42, the tooth-shaped convex edges 43 are circumferentially arranged, the distance between the tooth-shaped convex edges 43 is the same as that between the rotating gear 41, and the rotating gear 41 is meshed with the tooth-shaped convex edges 43.
In this embodiment, the running gear 41 all meshes with the protruding edge 43 of flute profile, when telescopic support leg 5 opens, because the meshing relation, synchronizing shaft 42 can move downwards, synchronizing shaft 42 of downward motion can drive other running gear 41 and rotate, realized on the one hand that a plurality of telescopic support leg 5 are opened in step, on the other hand has guaranteed that a plurality of telescopic support leg 5 rotate the angle when opening is the same, be convenient for roofbolter erect and roofbolter erect the improvement of precision.
Further, telescopic support leg 5 includes multistage telescopic cylinder, and multistage telescopic cylinder piston rod 51 rotates with support frame 3 to be connected, and multistage telescopic cylinder outer cylinder body 52 bottom is provided with the portion of inserting 53 that is used for the increase and ground frictional force.
The telescopic support legs 5 are multi-stage telescopic cylinders, and the jumbolter rotary portion can adopt an air motor as power output, and the power source is air pressure, so that the multi-stage telescopic cylinders can share the power source with the rotary portion, and the jumbolter can be conveniently installed.
Further, the telescopic support legs 5 further comprise pressing sheets 54, one end of each pressing sheet 54 is connected with the piston rod 51 of the multi-stage telescopic cylinder, the other end of each pressing sheet 54 is rotatably provided with a synchronous gear 55, the outer cylinder body 52 is provided with a synchronous rack 56, the synchronous racks 56 are meshed with the synchronous gears 55, and the synchronous gears 55 on the two adjacent telescopic support legs 5 keep the same rotating speed through universal synchronizing devices 57.
In this embodiment, when the outer cylinder 52 of one telescopic support leg 5 is extended and then retracted, the synchronous gear 55 is meshed with the synchronous rack 56, the synchronous rack 56 drives the synchronous gear 55 to rotate, the universal synchronizer 57 can keep the same rotating speed of the two synchronous gears 55, the synchronous gear 55 on the other telescopic support leg 5 rotates, and further the synchronous rack 56 on the other telescopic support leg 5 moves, so that the outer cylinder 52 of the other telescopic support leg 5 is retracted synchronously, when a plurality of telescopic support legs 5 are retracted, the synchronous gears 55 mutually control the synchronous shortening of the plurality of telescopic support legs 5 through the consistent rotating speed, thereby ensuring that the rotating main machine can keep unchanged with the ground angle when the telescopic support legs 5 are shortened, when the drilling machine is erected, the pressing sheet 54 can be bent up, so that the synchronous gear 55 is not meshed with the synchronous rack 56, can adjust the length of two telescopic support legs 5 according to the level and smooth undulation degree on ground this moment, after two telescopic support legs 5 length adjustment finished making supporting seat 4 level and making main supporting shaft 2 vertical, can loosen preforming 54, with synchronous gear 55 and synchronous rack 56 meshing, keep two telescopic support legs 5 to shorten in step when the rig feeds a plurality of telescopic support legs 5 and shortens.
Further, the universal synchronizing device 57 includes a telescopic rod 571, the telescopic rod 571 includes a plurality of telescopic sleeves 572 sleeved in sequence, two adjacent telescopic sleeves 572 are connected in the circumferential direction through a sliding key and a key slot arranged along the axial direction, the outermost telescopic sleeve 572 is connected with the synchronizing gear 55 through a universal joint 573, and the innermost telescopic sleeve 572 is connected with another synchronizing gear 55 through a universal joint 573.
In this embodiment, the telescopic rod 571 and the two universal joints 573 are used to realize the transmission of two adjacent synchronizing gears 55, wherein the telescopic rod 571 is composed of a plurality of telescopic sleeves 572, when the plurality of telescopic support legs 5 are not opened, the telescopic rod 571 is in an unstretched state, when the two telescopic support legs 5 are opened, the plurality of telescopic sleeves 572 of the telescopic rod 571 extend out and bend the universal joints 573 connected with the telescopic sleeves 572, one synchronizing gear 55 rotates to rotate the universal joints 573, the universal joints 573 drive the innermost or outermost telescopic sleeves 572 to rotate, the innermost or outermost telescopic sleeves 572 rotate to drive the outermost or innermost telescopic sleeves 572 to rotate through the sliding keys, and further the other universal joints 573 drive the other synchronizing gear 55 to drill holes to realize the linkage of two adjacent synchronizing gears 55, and when the angles and distances of the plurality of synchronizing gears 55 are changed after the plurality of telescopic support legs 5 are opened, the linkage of a plurality of synchronous gears 55 is realized through the structure, and the setting is scientific and reasonable.
As a further technical solution, the outermost telescopic sleeve 572 is further provided with a level device 58 for detecting whether the telescopic sleeve 572 is horizontal.
In this embodiment, when erecting the jumbolter, since the vertical distances between the two ends of the expansion link 571 and the support seat 4 are kept equal, the horizontal device 58 can be observed to determine whether the expansion link 571 is horizontal, and when the expansion link 571 is not horizontal, the length of the telescopic support leg 5 can be adjusted by bending the pressing piece 54.
As a further aspect, the leveling device 58 is a horizontal bead.
Furthermore, the pressing sheet 54 is also provided with a reed 59, the reed 59 is arc-shaped, two ends of the reed 59 are both contacted with the pressing sheet 54, and the middle part of the pressing sheet 54 is screwed on the piston rod 51 of the multi-stage telescopic cylinder through an adjusting bolt 510.
In this embodiment, the pressure of the pressing plate 54 pressing the synchronizing gear 55 on the synchronizing rack 56 can be increased by the spring 59, and by tightening the adjusting bolt 510, the two ends of the spring 59 are pressed downwards to exert pressure, so as to achieve the effect, and meanwhile, the spring 59 is in contact with the pressing plate 54, so that the contact with the pressing plate 54 can be continuously maintained when the telescopic support leg 5 rotates.
Further, the multi-stage telescopic cylinder comprises an outer cylinder body 52, a plurality of inner cylinder bodies 511 are sequentially sleeved in the outer cylinder body 52, a piston rod 51 is arranged in the innermost inner cylinder body 511 in a sliding manner, a first sealing convex edge 512 used for sealing the outer side of the adjacent inner cylinder body 511 or the piston rod 51 is arranged on the inner side of the outer cylinder body 52 and the inner cylinder body 511, which is close to the near end of the supporting frame 3, respectively, a second sealing convex edge 43 used for sealing the inner side of the adjacent outer cylinder body 511 or the outer cylinder body 52, which is far from the far end of the supporting frame 3, is arranged on,
the outer sides of the inner cylinder body 511 and the outer cylinder body 52 are both provided with synchronous racks 56, the synchronous racks 56 on the same telescopic supporting leg 5 are mutually connected, and the second sealing convex edge 43 is provided with a notch for the synchronous racks 56 on the adjacent inner cylinder body 511 on the inner side to pass through.
In this embodiment, when the multi-stage telescopic cylinder retracts after extending, the innermost inner cylinder 511 retracts first, and drives the synchronous gear 55 to rotate, the inner cylinders 511 retract synchronously, and meanwhile, the synchronous gear 55 is driven by the pressing sheet 54 to engage with the synchronous rack 56 outside the inner cylinder 511, so as to continue to keep the two telescopic support legs 5 to retract synchronously, after the retraction of the inner cylinder 511 is completed, the secondary inner cylinder 511 continues to be synchronous, so as to ensure the synchronous retraction of the multi-stage telescopic cylinder, and meanwhile, the first sealing convex edge 512 and the second sealing convex edge 43 ensure the sealing effect of the multi-stage telescopic cylinder, the depth of the notch formed on the second sealing convex edge 43 is consistent with the height of the synchronous rack 56, so as to provide sealing for the synchronous rack 56 and prevent a large amount of high-pressure gas from leaking.
As a further technical solution, the length of the second sealing flange 43 on the axis is greater than the pitch of the synchronization rack 56.
In this embodiment, the length of the second sealing convex edge 43 on the axis is greater than the pitch of the synchronous rack 56, so that the synchronous gear 55 can always have one tooth located in the second sealing convex edge 43 in the process of extending, and further the isolation effect between the multistage telescopic cylinder and the outside is achieved, and the sealing effect is improved.
As a further technical scheme, the top of the supporting seat 4 is provided with a mounting hole 44, the main supporting shaft 2 is arranged in the mounting hole 44, one end, inserted into the mounting hole 44, of the main supporting shaft 2 is circumferentially provided with a mounting groove 21, the supporting seat 4 is radially provided with a plurality of mounting threaded holes 45, the mounting threaded holes 45 are internally provided with mounting bolts 46, the outer diameter of each mounting bolt 46 is the same as that of the mounting groove 21, and when the main supporting shaft 2 is inserted into the bottom of the mounting hole 44, the mounting bolts 46 are screwed to tightly support the mounting groove 21.
In this embodiment, since the rotating main machine 1 is disposed downward, the main shaft direction of the rotating main machine 1 needs to be staggered from the axial direction of the main support shaft 2, and the direction of the rotating main machine 1 cannot coincide with the extending direction of the telescopic support legs 5, so that the positional relationship of the rotating main machine 1 relative to the support base 4 needs to be adjusted, that is, the angle of the main support shaft 2 at the support base 4 needs to be adjusted, in this embodiment, when the main support shaft 2 is inserted to the bottom of the mounting hole 44, the mounting threaded hole 45 is just opposite to the mounting groove 21, at this time, the top of the mounting bolt 46 can be screwed into the mounting groove 21, so as to prevent the main support shaft 2 from falling off, and when the mounting bolt 46 is not pressed, the main support shaft 2 can be rotated relative to the support base 4, after the angle of the main support shaft 2 is adjusted, the mounting bolt 46 is screwed, and the end portion is pressed against the bottom of the, simple structure, it is fixed firm, set up scientific and reasonable.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a bottom plate scour protection frame post rig which characterized in that: comprises a rotating main machine (1), the rotating main machine (1) is arranged on a main supporting shaft (2), a supporting frame (3) is arranged below the main supporting shaft (2),
the support frame (3) comprises a support seat (4), the main support shaft (2) is arranged on the support seat (4), at least three telescopic support legs (5) are rotatably arranged below the support frame (3), the relative low points of the telescopic support legs (5) and the rotating shaft of the support frame (3) are not collinear with each other,
the telescopic supporting leg (5) comprises a multi-stage telescopic cylinder, a piston rod (51) of the multi-stage telescopic cylinder is rotatably connected with the supporting frame (3), an inserting part (53) for increasing the friction force with the ground is arranged at the bottom of an outer cylinder body (52) of the multi-stage telescopic cylinder,
the telescopic supporting legs (5) further comprise pressing sheets (54), one ends of the pressing sheets (54) are connected with the multi-stage telescopic cylinder piston rods (51), synchronous gears (55) are rotatably arranged at the other ends of the pressing sheets (54), synchronous racks (56) are arranged on the outer cylinder body (52), the synchronous racks (56) are meshed with the synchronous gears (55), the synchronous gears (55) on two adjacent telescopic supporting legs (5) keep the same rotating speed through universal synchronizing devices (57),
the universal synchronizing device (57) comprises a telescopic rod (571), the telescopic rod (571) comprises a plurality of telescopic sleeves (572) which are sequentially sleeved, two adjacent telescopic sleeves (572) are connected in the circumferential direction through sliding keys and key grooves which are arranged along the axial direction, the telescopic sleeve (572) on the outermost side is connected with the synchronizing gear (55) through a universal joint (573), and the telescopic sleeve (572) on the innermost side is connected with the other synchronizing gear (55) through the universal joint (573).
2. A floor impact string drilling rig as claimed in claim 1 wherein: telescopic support leg (5) with support frame (3) junction is provided with running gear (41), the axis of running gear (41) with telescopic support leg (5) are relative the axis of rotation collineation setting of support frame (3), be provided with synchronizing shaft (42) along endwise slip in supporting seat (4), synchronizing shaft (42) equidistance is provided with the protruding edge (43) of profile of a plurality of cross-sections for the profile, the protruding edge (43) of profile sets up along circumference, just the protruding edge (43) interval of profile with running gear (41) tooth pitch is the same, running gear (41) with the protruding edge (43) meshing of profile.
3. A floor impact string drilling rig as claimed in claim 1 wherein: the pressing plate (54) is further provided with a reed (59), the reed (59) is arc-shaped, two ends of the reed (59) are in contact with the pressing plate (54), and the middle of the pressing plate (54) is screwed on a piston rod (51) of the multistage telescopic cylinder through an adjusting bolt (510).
4. A floor impact string drilling rig as claimed in claim 1 wherein: the multistage telescopic cylinder comprises an outer cylinder body (52), wherein a plurality of inner cylinder bodies (511) are sequentially sleeved inside the outer cylinder body (52), the piston rod (51) is arranged in the innermost inner cylinder body (511) in a sliding mode, the outer cylinder body (52) and the inner cylinder body (511) are provided with a first sealing convex edge (512) used for sealing with the outer side of the adjacent inner cylinder body (511) or the piston rod (51) from the inner side of the near end of the support frame (3), the inner cylinder body (511) is provided with a second sealing convex edge used for sealing with the inner side of the adjacent inner cylinder body (511) or the inner side of the outer cylinder body (52) from the outer side of the support frame (3),
the outer sides of the inner cylinder body (511) and the outer cylinder body (52) are respectively provided with a synchronous rack (56), the synchronous racks (56) on the same telescopic supporting leg (5) are connected with each other, and the second sealing convex edge is provided with a notch for the synchronous rack (56) on the adjacent inner cylinder body (511) on the inner side to pass through.
5. A floor impact string drilling rig as claimed in claim 1 wherein: supporting seat (4) top is provided with mounting hole (44), main tributary props axle (2) and sets up in mounting hole (44), main tributary props axle (2) and inserts mounting hole (44) one end is provided with mounting groove (21) along circumference, radially be provided with a plurality of installation screw holes (45) on supporting seat (4), be provided with construction bolt (46) in installation screw hole (45), construction bolt (46) external diameter with mounting groove (21) are the same, main tributary props axle (2) insert extremely during mounting hole (44) hole bottom, construction bolt (46) are twisted and are moved tightly to the top mounting groove (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810851988.0A CN108979684B (en) | 2018-07-30 | 2018-07-30 | Drilling machine for preventing bottom plate from being impacted by frame column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810851988.0A CN108979684B (en) | 2018-07-30 | 2018-07-30 | Drilling machine for preventing bottom plate from being impacted by frame column |
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| Publication Number | Publication Date |
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| CN108979684A CN108979684A (en) | 2018-12-11 |
| CN108979684B true CN108979684B (en) | 2020-05-22 |
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| CN201810851988.0A Active CN108979684B (en) | 2018-07-30 | 2018-07-30 | Drilling machine for preventing bottom plate from being impacted by frame column |
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|---|---|---|---|---|
| CN1928317A (en) * | 2006-10-11 | 2007-03-14 | 北京交通大学 | Low tunnel rockbolt anchorage cable pneumatic drilling machine |
| CN104420824A (en) * | 2013-09-09 | 2015-03-18 | 湖北首开机械有限公司 | Convenient moving type hydraulic anchoring drilling machine for tunnel |
| CN204240012U (en) * | 2014-10-18 | 2015-04-01 | 杨晓明 | The synchronous stretching mechanism of tripod |
| CN106639893A (en) * | 2015-10-28 | 2017-05-10 | 天津同鑫煤矿机械制造有限公司 | Adjustable chassis of roof bolt driller |
| CN206468293U (en) * | 2017-02-17 | 2017-09-05 | 王博 | A kind of coal road bolting rig |
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2018
- 2018-07-30 CN CN201810851988.0A patent/CN108979684B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1928317A (en) * | 2006-10-11 | 2007-03-14 | 北京交通大学 | Low tunnel rockbolt anchorage cable pneumatic drilling machine |
| CN104420824A (en) * | 2013-09-09 | 2015-03-18 | 湖北首开机械有限公司 | Convenient moving type hydraulic anchoring drilling machine for tunnel |
| CN204240012U (en) * | 2014-10-18 | 2015-04-01 | 杨晓明 | The synchronous stretching mechanism of tripod |
| CN106639893A (en) * | 2015-10-28 | 2017-05-10 | 天津同鑫煤矿机械制造有限公司 | Adjustable chassis of roof bolt driller |
| CN206468293U (en) * | 2017-02-17 | 2017-09-05 | 王博 | A kind of coal road bolting rig |
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| CN108979684A (en) | 2018-12-11 |
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