CN114837572A - Drill rod loading and unloading device and method for negative-inclination drilling construction - Google Patents
Drill rod loading and unloading device and method for negative-inclination drilling construction Download PDFInfo
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- CN114837572A CN114837572A CN202210589497.XA CN202210589497A CN114837572A CN 114837572 A CN114837572 A CN 114837572A CN 202210589497 A CN202210589497 A CN 202210589497A CN 114837572 A CN114837572 A CN 114837572A
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- drill rod
- arc
- loading
- water feeder
- unloading
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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
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
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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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/10—Slips; Spiders ; Catching devices
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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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
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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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
- E21B19/164—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe motor actuated
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
Abstract
The invention discloses a drill rod loading and unloading device and a drill rod loading and unloading method for negative-inclination drilling construction, wherein the drill rod loading and unloading device is arranged on a vehicle body platform of a drilling machine and comprises an arc-shaped track, two loading and unloading mechanisms arranged on the arc-shaped track and a connecting seat arranged at the lower end of the arc-shaped track; the center of the arc-shaped track is positioned at the axis of a cross beam below the drilling machine; the two loading and unloading mechanisms can respectively drive the drill rod and the water feeder to move along the arc-shaped track and can respectively feed the drill rod and the water feeder to be coaxially butted with the drill rod on the drilling machine; the drill rod loading and unloading mechanism is used for transferring the drill rod between the limit position of the lower end of the arc-shaped track and a preset position, and can screw or disassemble a screw thread of the drill rod; the water feeder is characterized in that the loading and unloading mechanism of the water feeder is used for clamping the water feeder and moving between a limit position and a preset position above the arc-shaped track, and can screw down or disassemble a screw thread of the water feeder. The invention can rapidly load and unload the drill rod in the negative inclination drilling construction process, lightens the labor intensity of workers and eliminates the potential safety hazard of ascending operation.
Description
Technical Field
The invention relates to a drill rod loading and unloading device, in particular to a drill rod loading and unloading device for negative inclination drilling construction.
Background
In coal mine tunnel drilling construction, a borehole with a negative angle between the borehole axis and the horizontal plane is generally called a negative-inclination borehole. The negative dip angle drill hole is largely used for drilling construction in the forms of water exploration and drainage of a roadway bottom plate, grouting reinforcement of the roadway bottom plate and the like, and the dip angle of the drill hole is more between 0 and minus 40 degrees. When the negative inclination angle drilling is constructed, the front end of the drilling machine body is low, and the rear end of the drilling machine body is high, so that the drill rod is difficult to assemble and disassemble at the rear end of the drilling machine. The method for solving the problem at present is that a special platform with steps is mostly erected at the rear end of a drilling machine, a drill rod is manually carried to walk along the steps to the platform to be loaded and unloaded, the height of the erected platform is different according to the difference of the negative inclination angles of drilling holes, the method for loading and unloading the drill rod is high in labor intensity, certain potential safety hazards exist in ascending operation, and therefore the method for loading and unloading the drill rod has practical significance in researching a device suitable for negative inclination angle drilling construction.
Disclosure of Invention
Aiming at the defects of the existing construction method, the invention aims to provide a device and a method for loading and unloading a drill rod for negative-inclination drilling construction, so as to solve the problems of high labor intensity, high danger of ascending operation and the like of manual loading and unloading of the drill rod.
In order to solve the technical problems, the invention adopts the following technical scheme:
a loading and unloading drill rod device for negative dip angle drilling construction is arranged on a vehicle body platform of a drilling machine and comprises an arc-shaped track, two loading and unloading mechanisms arranged on the arc-shaped track and a connecting seat arranged at the lower end of the arc-shaped track; the center of the arc-shaped track is positioned at the axis of a cross beam below the drilling machine; the two loading and unloading mechanisms can respectively drive the drill rod and the water feeder to move along the arc-shaped track and can respectively feed the drill rod and the water feeder to be coaxially butted with the drill rod on the drilling machine; the connecting seat is connected with a vehicle body platform of the drilling machine.
The invention also comprises the following technical characteristics:
specifically, the upper unloading mechanism comprises an installation plate, a U-shaped sleeve plate, an arc-shaped moving driving unit, a translation guide rail, a clamping rotating unit and a translation driving unit;
the U-shaped sleeve plate is fixed on one side of the mounting plate so as to enable the loading and unloading mechanism to be sleeved on the arc-shaped track, and the U-shaped sleeve plate is provided with an arc-shaped moving driving unit so as to drive the loading and unloading mechanism to move along the arc-shaped track;
the translation guide rail is fixed on the other side of the mounting plate and is arranged along the radial direction of the arc-shaped track, and the clamping and rotating unit is mounted on the translation guide rail and can move along the translation guide rail under the driving of the translation driving unit; the clamping and rotating unit can clamp and drive the drill rod or the water feeder to rotate.
Specifically, an arc-shaped rack and a slide rail are arranged on one side of the arc-shaped track, and the arc-shaped track, the rack and the slide rail are all concentric;
the arc-shaped moving driving unit comprises a roller, a gear and a first motor which are arranged on the U-shaped sleeve plate; the roller contacts with the slide rail, the gear is meshed with the rack, the first motor can drive the gear to move along the rack, and meanwhile, the roller moves along the slide rail, so that the loading and unloading mechanism moves along the arc-shaped rail.
Specifically, the clamping rotating unit comprises a mounting frame, a rotating driving wheel set, a pressing wheel set and a clamping assembly;
the mounting frame is of an integrated structure and comprises a mounting frame main plate and four mounting frame side plates which are perpendicular to the mounting frame main plate and are parallel to each other; the four mounting frame side plates are a first side plate, a second side plate, a third side plate and a fourth side plate in sequence;
the rotary driving wheel set comprises two driving wheels, a pinion, a bull gear bracket and a second motor; a first central shaft is vertically connected between the second side plate and the third side plate, two driving wheels and a pinion are both arranged on the first central shaft, the pinion is positioned between the two driving wheels, a bull gear is positioned below the pinion and meshed with the pinion, one end of a bull gear support is fixedly connected with the mounting frame main plate, the other end of the bull gear support is provided with the bull gear, the bull gear is connected with a second motor through a driving shaft, and the second motor can sequentially drive the bull gear, the pinion, the first central shaft and the two driving wheels to rotate;
the pressing wheel set comprises a second central shaft, two pressing rods which are vertically arranged in the middle of the second central shaft and are parallel to each other, a pressing wheel arranged between the two pressing rods and a third motor; the two pressing wheels are parallel to the second central shaft; the second central shaft is arranged at the upper ends of the first side plate and the fourth side plate and is parallel to the mounting frame main plate, the third motor is arranged at one end of the second central shaft, and the third motor can drive the second central shaft to rotate so as to drive the compression bar to rotate so as to drive the two compression wheels to move;
the two pressing wheels can press the drill rod or the water feeder on the two driving wheels, and the drill rod or the water feeder can rotate along the axis of the drill rod or the water feeder under the driving of the driving wheels.
Specifically, the clamping assembly comprises a U-shaped bevel gear bracket, a driving bevel gear, a fourth motor, a first bevel gear, a second bevel gear, a first bevel gear connecting shaft, a second bevel gear connecting shaft, a right jaw and a left jaw;
the driving bevel gear and the fourth motor are arranged on a bevel gear support base plate, the fourth motor can drive the driving bevel gear to rotate, and the first bevel gear and the second bevel gear are coaxial and are both meshed with the driving bevel gear; the first bevel gear is sleeved on a first bevel gear connecting shaft, the first bevel gear connecting shaft is connected with the lower end of the left jaw through a key so as to drive the left jaw to rotate, and the first bevel gear connecting shaft is of a hollow structure; the second bevel gear is sleeved on the second bevel gear connecting shaft, and the second bevel gear connecting shaft passes through the first bevel gear connecting shaft and then is connected with the lower end of the right jaw through a key so as to drive the right jaw to rotate; the right jaw and the left jaw can be opened or closed under the driving of the first bevel gear connecting shaft and the second bevel gear connecting shaft, and can clamp a drill rod or a water feeder when the right jaw and the left jaw are close to each other;
the two groups of clamping assemblies are symmetrically arranged on two sides of the rotary driving wheel set; the bevel gear support side plates of one group of clamping assemblies are closely attached to and fixedly connected with the first side plate in parallel, and the right clamping jaws and the left clamping jaws of the group of clamping assemblies are positioned between the first side plate and the second side plate; and the bevel gear bracket side plate of the other group of clamping assemblies is closely attached and fixedly connected with the fourth side plate in parallel, and the right jaw and the left jaw of the group of clamping assemblies are positioned between the third side plate and the fourth side plate.
Specifically, the right jaw and the left jaw both comprise an arc-shaped frame and a roller arranged on the arc-shaped frame, the roller is axially parallel to the drill rod or the water feeder, and after the drill rod or the water feeder is clamped by the right jaw and the left jaw, the drill rod or the water feeder rotates under the driving of the rotation driving wheel set.
Specifically, the two upper unloading mechanisms are symmetrically arranged, and the symmetry axis is an angular bisector of an included angle formed by the two upper unloading mechanisms and a connecting line of the circle centers of the arc-shaped tracks;
the upper unloading mechanism positioned above is used for unloading the water feeder, and the lower unloading mechanism is used for unloading the drill rod; the openings of the right jaw and the left jaw of the upper unloading mechanism are opposite to the openings of the right jaw and the left jaw of the lower unloading mechanism.
Specifically, the translation driving unit comprises a translation rack fixedly connected to the mounting frame, a fifth motor and a translation gear, wherein the fifth motor and the translation gear are mounted on the mounting frame; the driving translation gear is meshed with the translation rack, and the fifth motor can drive the translation gear to drive the translation rack and the mounting rack connected with the translation rack to move along the translation guide rail.
Specifically, a dovetail groove can be formed between the translation guide rail and the mounting plate, and the cross sections of the upper edge and the lower edge of the mounting plate are triangular tip portions so as to be inserted into the dovetail groove in a matched mode.
Circular through holes are formed in the arc-shaped rail and the connecting seat, so that the dead weight of the arc-shaped rail and the self-weight of the connecting seat are reduced.
A method for loading and unloading a drill rod for negative dip angle drilling construction is realized by the drill rod loading and unloading device for negative dip angle drilling construction; comprises a rod adding process and a rod unloading process;
the rod adding process comprises the following steps:
step a 1: after the drilling machine finishes drilling the drill rod, the power head returns, and a drill rod to be added is placed into the drill rod loading and unloading mechanism;
step a 2: the unloading mechanism of the drill rod is driven by the arc-shaped moving driving unit to move until the drill rod to be added is coaxial with the drill rod on the drilling machine, and under the action of the clamping rotating unit and the translation driving unit, the screw thread connection of the drill rod to be added and the drill rod in the drilling machine is completed;
step a 3: the power head pushes the drill rod to be added into the hole, the water feeder is clamped by the loading and unloading mechanism of the water feeder to move anticlockwise to the position of an extension line behind the drill rod to be added and then stops, the screw thread of the water feeder is connected to the drill rod to be added under the action of the clamping and rotating unit and the translation driving unit, the clamping assembly and the pressing wheel set in the loading and unloading mechanism of the water feeder are opened, and the water feeder and the drill rod drill together under the action of the drilling machine;
step a 4: after drilling is completed, the power head clamps the drill rod and retracts, the water feeder is disassembled by the disassembling mechanism of the water feeder and rotates clockwise to the tail end of the upper part of the arc-shaped track, the power head clamps the drill rod and pushes the drill rod into the hole, and the steps a1 to a4 are repeated to complete the rod adding process;
the rod unloading process comprises the following steps:
step b 1: the loading and unloading mechanism of the water feeder moves to an extension line behind the drill rod, the power head carries the water feeder and the drill rod to retreat until the water feeder is positioned in the clamping range of a clamping assembly in the loading and unloading mechanism of the water feeder, and the driving wheel set is rotated to unscrew the water feeder and move the water feeder clockwise to the tail end of the upper part of the arc-shaped track;
step b 2: a power head in the drilling machine pulls back a drill rod to a clamping range of an upper unloading mechanism of the drill rod, the upper unloading mechanism of the drill rod unloads a screw thread of the drill rod and rotates anticlockwise, the drill rod is conveyed to the tail end of the lower part of the arc-shaped track, and the drill rod is taken out of the upper unloading mechanism;
step b 3: and c, repeating the step b2 to completely disassemble the drill rod in the drill hole and take out the drill rod.
Compared with the prior art, the invention has the following technical effects:
the drill rod loading and unloading device is designed according to the principle that a connecting column below a machine body is used as a rotating shaft when the inclination angle of the drilling machine is adjusted, the working principle of loading and unloading the drill rod is simple, the structure is reliable, and the device has certain applicability to the requirements of loading and unloading the drill rod during negative inclination angle drilling construction.
Drawings
FIG. 1 is a schematic view of the connection of the drill rod loading and unloading device of the present invention to a drilling machine;
FIG. 2 is a schematic structural view of a drill rod loading and unloading device of the present invention;
FIG. 3 is a schematic view of the structure of the arc-shaped track and the connecting seat of the present invention;
FIG. 4 is a schematic view of the structure of the loading and unloading mechanism of the present invention;
FIG. 5 is a schematic structural view of a loading and unloading mechanism of the present invention;
FIG. 6 is a schematic view of the structure of the mounting bracket of the present invention;
FIG. 7 is a schematic view of the structure of the rotational driving wheel set and the pressing wheel set of the present invention;
FIG. 8 is a schematic view of the closing state of the pressing wheel set and the rotating driving wheel set of the present invention;
FIG. 9 is a schematic view of a clamping assembly according to the present invention;
FIG. 10 is a side view of the clamping assembly of the present invention;
FIG. 11 is a sectional view taken along line B-B of FIG. 10;
FIG. 12 is a schematic view of the clamping assembly of the present invention in an open position;
FIG. 13 is a schematic view of a step a1 of the boring bar adding process;
FIG. 14 is a schematic view of a step a2 of the boring bar adding process;
FIG. 15 is a schematic view of step a3 of the drill rod making process.
The meaning of the individual reference symbols in the figures is:
1. the device comprises an arc-shaped track, 2 parts of an upper unloading mechanism, 3 parts of a connecting seat, 4 parts of a drilling machine, 5 parts of a power head, 6 parts of a vehicle body platform, 7 parts of a drill rod and 8 parts of a water feeder; 11. rack, 12, slide rail; 21. the mounting plate 22, the U-shaped sleeve plate 23, the arc-shaped moving driving unit 24, the translation guide rail 25, the clamping rotating unit 26 and the translation driving unit; 23-1, a roller, 23-2, a gear, 23-3, a first motor; 25-1 of a mounting rack, 25-2 of a rotation driving wheel set, 25-3 of a pressing wheel set, and 25-4 of a clamping assembly; 25-11 parts of a mounting frame main plate, 25-12 parts of a first side plate, 25-13 parts of a second side plate, 25-14 parts of a third side plate, and 25-15 parts of a fourth side plate; 25-21 parts of driving wheel, 25-22 parts of pinion, 25-23 parts of bull gear, 25-24 parts of bull gear bracket and 25-25 parts of second motor; 25-31 parts of a second central shaft, 25-32 parts of a pressure rod, 25-33 parts of a pressure wheel, 25-34 parts of a third motor; 25-41 parts of a bevel gear bracket, 25-42 parts of a driving bevel gear, 25-43 parts of a fourth motor, 25-44 parts of a first bevel gear, 25-45 parts of a second bevel gear, 25-46 parts of a first bevel gear connecting shaft, 25-47 parts of a second bevel gear connecting shaft, 25-48 parts of a right jaw, 25-49 parts of a left jaw and 25-49 parts of a second jaw; 26-1, translating the rack.
Detailed Description
When the drilling machine carries out negative inclination angle drilling construction, the center line of a cross beam below the drilling machine is used as a rotating shaft to rotate and adjust the negative inclination angle of the machine body. The drill rod loading and unloading device is arranged on a vehicle body platform of a drilling machine and has two functions of loading a drill rod during normal drilling and unloading the drill rod during lifting the drill; when the drill rod is normally drilled, the drill rod is conveyed to the position of the extension line of the drill axis, the screw thread connection action of the drill rod and the front end drill rod is completed, the screw thread connection action of the water feeder and the drill rod is further completed, normal drilling can be realized after the two actions are completed, and the water feeder and the front end drill rod screw thread are detached before a new drill rod is added after one drill rod is drilled so as to be used when the next drill rod is added. When the drill rod is lifted and unloaded, the screw thread of the drill rod lifted in the hole is unloaded by the drill rod loading and unloading device, and the drill rod is conveyed to the lower end position of the track of the rod loading device.
The following embodiments of the present invention are provided, and it should be noted that the present invention is not limited to the following embodiments, and all equivalent changes based on the technical solutions of the present invention are within the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 12, the present embodiment provides a drill rod loading and unloading device for negative-inclination drilling construction, which is mounted on a vehicle platform of a drilling machine and comprises an arc-shaped rail 1, two loading and unloading mechanisms 2 mounted on the arc-shaped rail 1, and a connecting base 3 arranged at the lower end of the arc-shaped rail 1; the center O of the arc-shaped track 1 is positioned at the axis of a cross beam below the drilling machine; the two loading and unloading mechanisms 2 can respectively drive the drill rod and the water feeder to move along the arc-shaped track 1, and can respectively feed the drill rod and the water feeder to be coaxially butted with the drill rod on the drilling machine; the connecting seat 3 is connected with a vehicle body platform of the drilling machine.
The upper unloading mechanism 2 comprises a mounting plate 21, a U-shaped sleeve plate 22, an arc-shaped moving driving unit 23, a translation guide rail 24, a clamping rotating unit 25 and a translation driving unit 26;
the U-shaped sleeve plate 22 is fixed on one side of the mounting plate 21 so as to be capable of sleeving the loading and unloading mechanism 2 on the arc-shaped track 1, and the U-shaped sleeve plate 22 is provided with an arc-shaped moving driving unit 23 so as to be capable of driving the loading and unloading mechanism 2 to move along the arc-shaped track 1;
the translation guide rail 24 is fixed on the other side of the mounting plate 21, the translation guide rail 24 is arranged along the radial direction of the arc-shaped track 1, and the clamping and rotating unit 25 is mounted on the translation guide rail 24 and can move along the translation guide rail 24 under the driving of the translation driving unit 26; the clamping and rotating unit 25 can clamp and drive the drill rod or the water feeder to rotate.
An arc-shaped rack 11 and a slide rail 12 are arranged on one side of the arc-shaped track 1, and the arc-shaped track 1, the rack 11 and the slide rail 12 are all concentric;
the arc movement driving unit 23 includes a roller 23-1, a gear 23-2 and a first motor 23-3 mounted on the U-shaped strap 22; the roller 23-1 contacts with the sliding rail 12, the gear 23-2 is meshed with the rack 11, and the first motor 23-3 can drive the gear 23-2 to move along the rack 11, and simultaneously, the roller 23-1 moves along the sliding rail 12, so that the loading and unloading mechanism 2 moves along the arc-shaped rail 1.
The clamping rotating unit 25 comprises a mounting frame 25-1, a rotating driving wheel set 25-2, a pressing wheel set 25-3 and a clamping assembly 25-4;
the mounting rack 25-1 is of an integrated structure and comprises a mounting rack main plate 25-11 and four mounting rack side plates which are perpendicular to the mounting rack main plate 25-11 and are parallel to each other; the four mounting rack side plates are a first side plate 25-12, a second side plate 25-13, a third side plate 25-14 and a fourth side plate 25-15 in sequence;
the rotary driving wheel set 25-2 comprises two driving wheels 25-21, a pinion 25-22, a gearwheel 25-23, a gearwheel support 25-24 and a second motor 25-25; a first central shaft is vertically connected between the second side plate 25-13 and the third side plate 25-14, the two driving wheels 25-21 and the pinions 25-22 are both arranged on the first central shaft, the pinions 25-22 are positioned between the two driving wheels 25-21, the bull gears 25-23 are positioned below the pinions 25-22 and meshed with the pinions 25-22, one end of a bull gear support 25-24 is fixedly connected with the mounting rack main plate 25-11, the bull gears 25-23 are arranged at the other end of the bull gear support 25-24, the bull gears 25-23 are connected with a second motor 25-25 through a driving shaft, and the second motor 25-25 can sequentially drive the bull gears 25-23, the pinions 25-22, the first central shaft and the two driving wheels 25-21 to rotate;
the pressing wheel set 25-3 comprises a second central shaft 25-31, two mutually parallel pressing rods 25-32 vertically arranged in the middle of the second central shaft 25-31, a pressing wheel 25-33 arranged between the two pressing rods 25-32 and a third motor 25-34; two of the pinch rollers 25-33 are parallel to the second central shaft 25-31; the second central shaft 25-31 is arranged at the upper ends of the first side plate 25-12 and the fourth side plate 25-15 and is parallel to the mounting frame main plate 25-11, one end of the second central shaft 25-31 is provided with a third motor 25-34, and the third motor 25-34 can drive the second central shaft 25-31 to rotate so as to drive the compression bar 25-32 to rotate so as to drive the two compression wheels 25-33 to move;
the two pressing wheels 25-33 can press the drill pipe or the water feeder on the two driving wheels 25-21, and the drill pipe or the water feeder can rotate along the axis of the drill pipe or the water feeder under the driving of the driving wheels 25-21.
The clamping assembly 25-4 comprises a U-shaped bevel gear bracket 25-41, a drive bevel gear 25-42, a fourth motor 25-43, a first bevel gear 25-44, a second bevel gear 25-45, a first bevel gear connecting shaft 25-46, a second bevel gear connecting shaft 25-47, a right jaw 25-48 and a left jaw 25-49;
the drive bevel gear 25-42 and the fourth motor 25-43 are arranged on the bottom plate of the bevel gear bracket 25-41, the fourth motor 25-43 can drive the drive bevel gear 25-42 to rotate, and the first bevel gear 25-44 and the second bevel gear 25-45 are coaxial and are meshed with the drive bevel gear 25-42; the first bevel gear 25-44 is sleeved on the first bevel gear connecting shaft 25-46, the first bevel gear connecting shaft 25-46 is connected with the lower end of the left claw 25-49 through a key to drive the left claw 25-49 to rotate, and the first bevel gear connecting shaft 25-46 is of a hollow structure; the second bevel gears 25-45 are sleeved on the second bevel gear connecting shafts 25-47, and the second bevel gear connecting shafts 25-47 penetrate through the first bevel gear connecting shafts 25-46 and then are connected with the lower ends of the right claws 25-48 through keys to drive the right claws 25-48 to rotate; the first bevel gear connecting shaft 25-46 and the second bevel gear connecting shaft 25-47 have opposite rotating directions, the right jaws 25-48 and the left jaws 25-49 can be opened or closed under the driving of the first bevel gear connecting shaft 25-46 and the second bevel gear connecting shaft 25-47, and when the right jaws 25-48 and the left jaws 25-49 are close to each other, a drill rod or a water feeder can be clamped;
two groups of clamping components 25-4 are arranged, and the two groups of clamping components 25-4 are symmetrically arranged at two sides of the rotary driving wheel set 25-2; the bevel gear support 25-41 side plate of one group of clamping components 25-4 is closely attached and fixedly connected with the first side plate 25-12 in parallel, and the right jaw 25-48 and the left jaw 25-49 of the group of clamping components 25-4 are positioned between the first side plate 25-12 and the second side plate 25-13; the bevel gear bracket 25-41 side plate of the other group of clamping assemblies 25-4 is closely attached and fixedly connected with the fourth side plate 25-15 in parallel, and the right claws 25-48 and the left claws 25-49 of the group of clamping assemblies 25-4 are positioned between the third side plate 25-14 and the fourth side plate 25-15.
The right jaw 25-48 and the left jaw 25-49 both comprise an arc-shaped frame and a roller arranged on the arc-shaped frame, the roller is axially parallel to the drill rod or the water feeder, and after the drill rod or the water feeder is clamped by the right jaw 25-48 and the left jaw 25-49, the drill rod or the water feeder rotates under the driving of the rotation driving wheel set 25-2.
The two loading and unloading mechanisms 2 are symmetrically arranged, and the symmetry axis is an angular bisector of an included angle formed by the connection line of the two and the circle center of the arc track 1;
the upper unloading mechanism 2 positioned above is used for unloading the water feeder, and the lower unloading mechanism 2 is used for unloading the drill rod; the openings of the right and left jaws 25-48 and 25-49 of the upper discharging mechanism 2 are opposite to the openings of the right and left jaws 25-48 and 25-49 of the lower discharging mechanism 2. In the drilling construction process, the water feeder and the drill rod screw thread are required to move together with the drill rod after being screwed, so that the openings of the right jaw and the left jaw face downwards in the loading and unloading mechanism of the water feeder, and the right jaw, the left jaw and the pressing wheel group are opened after the water feeder and the drill rod screw thread are screwed, so that the water feeder and the drill rod move together.
The translation driving unit 26 comprises a translation rack 26-1 fixedly connected to the mounting frame 25-1, a fifth motor and a translation gear which are mounted on the mounting plate 21; the translation gear is meshed with the translation rack 26-1, and the fifth motor can drive the translation gear to drive the translation rack 26-1 and the mounting rack 25-1 connected with the translation rack to move along the translation guide rail 24.
The translation guide rail 24 can form a dovetail groove with the mounting plate 21, and the cross sections of the upper edge and the lower edge of the mounting frame main plate 25-11 are triangular tips so as to be matched and inserted into the dovetail groove.
Circular through holes are formed in the arc-shaped rail 1 and the connecting seat 3, so that the dead weight of the arc-shaped rail 1 and the connecting seat 3 is reduced.
Example 2:
the embodiment provides a drill rod loading and unloading method for negative inclination angle drilling construction, which is realized by the drill rod loading and unloading device for negative inclination angle drilling construction in the embodiment 1; comprises a rod adding process and a rod unloading process;
as shown in fig. 13 to 15, the rodding process includes the steps of:
step a 1: after the drilling machine finishes drilling the drill rod, the power head returns, and a drill rod to be added is placed into the drill rod loading and unloading mechanism;
step a 2: the unloading mechanism of the drill rod is driven by the arc-shaped moving driving unit to move until the drill rod to be added is coaxial with the drill rod on the drilling machine, and under the action of the clamping rotating unit and the translation driving unit, the screw thread connection of the drill rod to be added and the drill rod in the drilling machine is completed;
step a 3: the power head pushes the drill rod to be added into the hole, the water feeder is clamped by the loading and unloading mechanism of the water feeder to move anticlockwise to the position of an extension line behind the drill rod to be added and then stops, the screw thread of the water feeder is connected to the drill rod to be added under the action of the clamping and rotating unit and the translation driving unit, the clamping assembly and the pressing wheel set in the loading and unloading mechanism of the water feeder are opened, and the water feeder and the drill rod drill together under the action of the drilling machine;
step a 4: after drilling is completed, the power head clamps the drill rod and retracts, the water feeder is disassembled by the disassembling mechanism of the water feeder and rotates clockwise to the tail end of the upper part of the arc-shaped track, the power head clamps the drill rod and pushes the drill rod into the hole, and the steps a1 to a4 are repeated to complete the rod adding process;
the rod unloading process comprises the following steps:
step b 1: the loading and unloading mechanism of the water feeder moves to an extension line behind the drill rod, the power head carries the water feeder and the drill rod to retreat until the water feeder is positioned in the clamping range of a clamping assembly in the loading and unloading mechanism of the water feeder, and the driving wheel set is rotated to unscrew the water feeder and move the water feeder clockwise to the tail end of the upper part of the arc-shaped track;
step b 2: a power head in the drilling machine pulls back a drill rod to a clamping range of an upper unloading mechanism of the drill rod, the upper unloading mechanism of the drill rod unloads a screw thread of the drill rod and rotates anticlockwise, the drill rod is conveyed to the tail end of the lower part of the arc-shaped track, and the drill rod is taken out of the upper unloading mechanism;
step b 3: and c, repeating the step b2 to completely disassemble the drill rod in the drill hole and take out the drill rod.
Claims (10)
1. A drill rod loading and unloading device for negative dip angle drilling construction is characterized in that the drill rod loading and unloading device is arranged on a vehicle body platform of a drilling machine and comprises an arc-shaped track (1), two loading and unloading mechanisms (2) arranged on the arc-shaped track (1) and a connecting seat (3) arranged at the lower end of the arc-shaped track (1); the circle center of the arc-shaped track (1) is positioned at the axle center of a cross beam below the drilling machine; the two loading and unloading mechanisms (2) can respectively drive the drill rod and the water feeder to move along the arc-shaped track (1) and can respectively feed the drill rod and the water feeder to be coaxially butted with the drill rod on the drilling machine; the connecting seat (3) is connected with a vehicle body platform of the drilling machine.
2. A pipe handling apparatus for negative rake drilling according to claim 1, wherein the handling mechanism (2) comprises a mounting plate (21), a U-shaped casing plate (22), an arc-shaped movement drive unit (23), a translation guide rail (24), a clamping rotation unit (25) and a translation drive unit (26);
the U-shaped sleeve plate (22) is fixed on one side of the mounting plate (21) so as to enable the loading and unloading mechanism (2) to be sleeved on the arc-shaped track (1), and the U-shaped sleeve plate (22) is provided with an arc-shaped moving driving unit (23) so as to drive the loading and unloading mechanism (2) to move along the arc-shaped track (1);
the translation guide rail (24) is fixed to the other side of the mounting plate (21), the translation guide rail (24) is arranged along the radial direction of the arc-shaped track (1), and the clamping and rotating unit (25) is mounted on the translation guide rail (24) and can move along the translation guide rail (24) under the driving of the translation driving unit (26); the clamping and rotating unit (25) can clamp and drive the drill rod or the water feeder to rotate.
3. The loading and unloading drill rod device for negative-inclination drilling construction according to claim 2, wherein one side of the arc-shaped track (1) is provided with an arc-shaped rack (11) and a slide rail (12), and the arc-shaped track (1), the rack (11) and the slide rail (12) are all concentric;
the arc-shaped moving driving unit (23) comprises a roller (23-1), a gear (23-2) and a first motor (23-3), wherein the roller (23-1), the gear (23-2) and the first motor are arranged on the U-shaped sleeve plate (22); the roller (23-1) is in contact with the sliding rail (12), the gear (23-2) is meshed with the rack (11), the first motor (23-3) can drive the gear (23-2) to move along the rack (11), and meanwhile, the roller (23-1) moves along the sliding rail (12), so that the loading and unloading mechanism (2) moves along the arc-shaped rail (1).
4. The pipe handling device for negative rake drilling work according to claim 2, wherein the clamping and rotating unit (25) comprises a mounting frame (25-1), a rotating driving wheel set (25-2), a pressing wheel set (25-3) and a clamping assembly (25-4);
the mounting rack (25-1) is of an integrated structure and comprises a mounting rack main plate (25-11) and four mounting rack side plates which are perpendicular to the mounting rack main plate (25-11) and are parallel to each other; the four mounting rack side plates are a first side plate (25-12), a second side plate (25-13), a third side plate (25-14) and a fourth side plate (25-15) in sequence;
the rotary driving wheel set (25-2) comprises two driving wheels (25-21), a pinion (25-22), a gearwheel (25-23), a gearwheel support (25-24) and a second motor (25-25); a first central shaft is vertically connected between the second side plate (25-13) and the third side plate (25-14), two driving wheels (25-21) and pinions (25-22) are arranged on the first central shaft, the pinions (25-22) are arranged between the two driving wheels (25-21), a bull gear (25-23) is arranged below the pinions (25-22) and meshed with the pinions (25-22), one end of a bull gear bracket (25-24) is fixedly connected with the mounting rack main plate (25-11), the other end of the bull gear bracket (25-23) is provided with the bull gear (25-23), the bull gear (25-23) is connected with a second motor (25-25) through a driving shaft, and the second motor (25-25) can sequentially drive the bull gear (25-23) and the pinions (25-22), the first central shaft and the two driving wheels (25-21) rotate;
the pressing wheel set (25-3) comprises a second central shaft (25-31), two mutually parallel pressing rods (25-32) vertically arranged in the middle of the second central shaft (25-31), a pressing wheel (25-33) arranged between the two pressing rods (25-32) and a third motor (25-34); the two pressing wheels (25-33) are parallel to the second central shaft (25-31); the second central shaft (25-31) is arranged at the upper ends of the first side plate (25-12) and the fourth side plate (25-15) and is parallel to the mounting frame main plate (25-11), one end of the second central shaft (25-31) is provided with the third motor (25-34), and the third motor (25-34) can drive the second central shaft (25-31) to rotate so as to drive the compression bar (25-32) to rotate so as to drive the two compression wheels (25-33) to move;
the two pressing wheels (25-33) can press the drill pipe or the water feeder on the two driving wheels (25-21) and drive the drill pipe or the water feeder to rotate along the axis of the drill pipe or the water feeder under the driving of the driving wheels (25-21).
5. The pipe handling device for negative rake drilling work according to claim 4, wherein the gripping assembly (25-4) comprises a U-shaped bevel gear bracket (25-41), a drive bevel gear (25-42), a fourth motor (25-43), a first bevel gear (25-44), a second bevel gear (25-45), a first bevel gear connecting shaft (25-46), a second bevel gear connecting shaft (25-47), right jaws (25-48) and left jaws (25-49);
the driving bevel gears (25-42) and the fourth motors (25-43) are arranged on the bottom plates of the bevel gear brackets (25-41), the fourth motors (25-43) can drive the driving bevel gears (25-42) to rotate, and the first bevel gears (25-44) and the second bevel gears (25-45) are coaxial and are meshed with the driving bevel gears (25-42); the first bevel gear (25-44) is sleeved on the first bevel gear connecting shaft (25-46), the first bevel gear connecting shaft (25-46) is connected with the lower end of the left jaw (25-49) through a key to drive the left jaw (25-49) to rotate, and the first bevel gear connecting shaft (25-46) is of a hollow structure; the second bevel gears (25-45) are sleeved on the second bevel gear connecting shafts (25-47), and the second bevel gear connecting shafts (25-47) penetrate through the first bevel gear connecting shafts (25-46) and then are connected with the lower ends of the right claws (25-48) through keys to drive the right claws (25-48) to rotate; the right jaws (25-48) and the left jaws (25-49) can be opened or closed under the drive of the first bevel gear connecting shaft (25-46) and the second bevel gear connecting shaft (25-47), and when the right jaws (25-48) and the left jaws (25-49) are close to each other, a drill rod or a water feeder can be clamped;
two groups of clamping assemblies (25-4) are arranged, and the two groups of clamping assemblies (25-4) are symmetrically arranged at two sides of the rotary driving wheel set (25-2); side plates of bevel gear supports (25-41) of one group of clamping assemblies (25-4) are closely attached to and fixedly connected with the first side plates (25-12) in parallel, and right clamping jaws (25-48) and left clamping jaws (25-49) of the group of clamping assemblies (25-4) are positioned between the first side plates (25-12) and the second side plates (25-13); the side plate of the bevel gear bracket (25-41) of the other group of clamping components (25-4) is closely attached and fixedly connected with the fourth side plate (25-15) in parallel, and the right jaw (25-48) and the left jaw (25-49) of the group of clamping components (25-4) are positioned between the third side plate (25-14) and the fourth side plate (25-15).
6. The drill pipe loading and unloading device for negative-inclination drilling construction according to claim 5, wherein the right jaw (25-48) and the left jaw (25-49) comprise an arc-shaped frame and a roller arranged on the arc-shaped frame, the roller is axially parallel to the drill pipe or the water feeder, and after the drill pipe or the water feeder is clamped by the right jaw (25-48) and the left jaw (25-49), the drill pipe or the water feeder is driven to rotate by the rotating driving wheel set (25-2).
7. The drill rod loading and unloading device for negative-inclination drilling construction according to claim 4, wherein the two loading and unloading mechanisms (2) are symmetrically arranged, and the symmetry axis is an angular bisector of an included angle formed by the connection line of the two and the circle center of the arc track (1);
the upper unloading mechanism (2) positioned above is used for unloading the water feeder, and the lower unloading mechanism (2) is used for unloading the drill rod; the openings of the right claws (25-48) and the left claws (25-49) of the upper unloading mechanism (2) are opposite to the openings of the right claws (25-48) and the left claws (25-49) of the lower unloading mechanism (2).
8. A loading and unloading drill rod device for negative rake drilling construction according to claim 4, characterized in that said translational drive unit (26) comprises a translational rack (26-1) fixedly connected to the mounting frame (25-1), a fifth motor and a translational gear mounted on the mounting plate (21); the translation gear is meshed with the translation rack (26-1), and the fifth motor can drive the translation gear to drive the translation rack (26-1) and the mounting rack (25-1) connected with the translation rack to move along the translation guide rail (24).
9. A loading and unloading drill rod device for negative rake drilling construction according to claim 8, characterized in that the translation guide rail (24) can form a dovetail groove with the mounting plate (21), and the upper and lower edges of the mounting frame main plate (25-11) are triangular in section with tips to be fittingly inserted into the dovetail groove.
10. A method for loading and unloading a drill rod for negative inclination drilling construction, which is characterized in that the method is realized by the device for loading and unloading the drill rod for negative inclination drilling construction as claimed in any one of claims 4 to 9; comprises a rod adding process and a rod unloading process;
the rod adding process comprises the following steps:
step a 1: after the drilling machine finishes drilling the drill rod, the power head returns, and a drill rod to be added is placed into the drill rod loading and unloading mechanism;
step a 2: the unloading mechanism of the drill rod is driven by the arc-shaped moving driving unit to move until the drill rod to be added is coaxial with the drill rod on the drilling machine, and under the action of the clamping rotating unit and the translation driving unit, the screw thread connection of the drill rod to be added and the drill rod in the drilling machine is completed;
step a 3: the power head pushes the drill rod to be added into the hole, the water feeder is clamped by the loading and unloading mechanism of the water feeder to move anticlockwise to the position of an extension line behind the drill rod to be added and then stops, the screw thread of the water feeder is connected to the drill rod to be added under the action of the clamping and rotating unit and the translation driving unit, the clamping assembly and the pressing wheel set in the loading and unloading mechanism of the water feeder are opened, and the water feeder and the drill rod drill together under the action of the drilling machine;
step a 4: after drilling is completed, the power head clamps the drill rod and retracts, the water feeder is disassembled by the disassembling mechanism of the water feeder and rotates clockwise to the tail end of the upper part of the arc-shaped track, the power head clamps the drill rod and pushes the drill rod into the hole, and the steps a1 to a4 are repeated to complete the rod adding process;
the rod unloading process comprises the following steps:
step b 1: the loading and unloading mechanism of the water feeder moves to an extension line behind the drill rod, the power head carries the water feeder and the drill rod to retreat until the water feeder is positioned in the clamping range of a clamping assembly in the loading and unloading mechanism of the water feeder, and the driving wheel set is rotated to unscrew the water feeder and move the water feeder clockwise to the tail end of the upper part of the arc-shaped track;
step b 2: a power head in the drilling machine pulls back a drill rod to a clamping range of an upper unloading mechanism of the drill rod, the upper unloading mechanism of the drill rod unloads a screw thread of the drill rod and rotates anticlockwise, the drill rod is conveyed to the tail end of the lower part of the arc-shaped track, and the drill rod is taken out of the upper unloading mechanism;
step b 3: and c, repeating the step b2 to completely disassemble the drill rod in the drill hole and take out the drill rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210589497.XA CN114837572A (en) | 2022-05-26 | 2022-05-26 | Drill rod loading and unloading device and method for negative-inclination drilling construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210589497.XA CN114837572A (en) | 2022-05-26 | 2022-05-26 | Drill rod loading and unloading device and method for negative-inclination drilling construction |
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| Publication Number | Publication Date |
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| CN114837572A true CN114837572A (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210589497.XA Pending CN114837572A (en) | 2022-05-26 | 2022-05-26 | Drill rod loading and unloading device and method for negative-inclination drilling construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117514021A (en) * | 2024-01-03 | 2024-02-06 | 陕西路桥集团有限公司 | Tunnel drilling equipment with cooling and flushing functions and drilling method |
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2022
- 2022-05-26 CN CN202210589497.XA patent/CN114837572A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117514021A (en) * | 2024-01-03 | 2024-02-06 | 陕西路桥集团有限公司 | Tunnel drilling equipment with cooling and flushing functions and drilling method |
| CN117514021B (en) * | 2024-01-03 | 2024-05-03 | 陕西路桥集团有限公司 | Tunnel drilling equipment with cooling and flushing functions and drilling method |
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