CN113294101A - Automatic rod feeding device and method for drilling machine - Google Patents

Automatic rod feeding device and method for drilling machine Download PDF

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Publication number
CN113294101A
CN113294101A CN202110727857.3A CN202110727857A CN113294101A CN 113294101 A CN113294101 A CN 113294101A CN 202110727857 A CN202110727857 A CN 202110727857A CN 113294101 A CN113294101 A CN 113294101A
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China
Prior art keywords
drill rod
rod
power head
drilling machine
automatic
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Granted
Application number
CN202110727857.3A
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Chinese (zh)
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CN113294101B (en
Inventor
吕晋军
马振纲
辛德忠
王清峰
万军
刘小华
陈航
张始斋
蒲健
唐敏
万园
周富佳
鲁石平
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CCTEG Chongqing Research Institute Co Ltd
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CCTEG Chongqing Research Institute Co Ltd
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Priority to CN202110727857.3A priority Critical patent/CN113294101B/en
Publication of CN113294101A publication Critical patent/CN113294101A/en
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Publication of CN113294101B publication Critical patent/CN113294101B/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/14Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
    • E21B19/15Racking of rods in horizontal position; Handling between horizontal and vertical position
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/14Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16Connecting or disconnecting pipe couplings or joints
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/18Connecting or disconnecting drill bit and drilling pipe

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

The invention belongs to the field of mechanical design, and relates to an automatic rod feeding device and method for a drilling machine, which comprises a rack, a power head and a clamp holder arranged on the rack, and a mechanical arm for assisting in additionally connecting a drill rod, wherein the clamp holder is used for fixing the drill rod; the power head comprises a water braid arranged in the power head, and the water braid is connected with the extension drill rod in a matching way; the mechanical arm grabs the additional connection drill rod and is matched and fixed with the water swivel, and the power head drives the fixed water swivel and the additional connection drill rod to move towards the direction of the drill rod in the clamp holder and finish the movement of the drill rod. The invention realizes the conversion of semi-automatic drilling and automatic drilling, greatly improves the adding and connecting efficiency of the drill rod, avoids manual screwing of the drill rod and reduces the labor intensity.

Description

Automatic rod feeding device and method for drilling machine
Technical Field
The invention belongs to the field of mechanical design, and relates to an automatic rod feeding device and method for a drilling machine.
Background
The existing drilling machine needs a plurality of people to operate and operate in coordination, particularly, the loading and unloading of the drill rods are mostly carried out manually, the required manual workload is large, the labor intensity is high, the efficiency is low, and certain potential safety hazards exist.
Although the prior art adopts a lateral manipulator (or other drill rod conveying devices) to pick up the drill rod, when the automatic drilling machine is additionally provided with the drill rod, threads at two ends of the drill rod need to be connected, the process needs the rotation and speed regulation of the power head, the rotation and the propulsion of the power head are matched at the same time, and the efficiency of the process of connecting and buckling (connecting the threads) is not high.
Disclosure of Invention
In view of the above, the present invention is directed to an automatic rod-loading device and method for a drilling machine, in which the loading of a drill rod can be completed only by connecting a male thread at the front end of the drill rod.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic rod-loading device of a drilling machine comprises a rack, a power head and a clamp arranged on the rack, and a manipulator for assisting in loading and connecting a drill rod, wherein the clamp is used for fixing the drill rod;
the power head comprises a water swivel arranged in the power head, and the water swivel is connected with the extension drill rod in a matching mode.
Optionally, the manipulator includes the grabbing arm that acts on the drilling rod and the main articulated arm who is connected with this grabbing arm, and main articulated arm stretches out and draws back and drives the axial of grabbing arm at the unit head and move.
Optionally, the water braid comprises a bearing seat and a mandrel movably arranged in one end of the bearing seat, and a spring is arranged between the bearing seat and the mandrel;
the end of the mandrel far away from the bearing seat is provided with a conical surface, a bearing is arranged in the bearing seat, and a fixed disc is sleeved outside the bearing seat in a matching way.
Optionally, the drill rod comprises a drill rod body, and a female joint and a male joint which are respectively arranged at two ends of the drill rod, wherein an internal thread is arranged in the female joint, and an external thread is arranged outside the male joint;
the female joint is matched with the conical surface of the mandrel.
Optionally, the power head further comprises a chuck arranged outside the connection between the water swivel and the drill rod.
Optionally, the power head is slidably disposed on the housing via a slide assembly.
The automatic rod feeding method of the drilling machine is applied to the automatic rod feeding device of the drilling machine, and comprises the following steps:
s1, fixing the drill rod in the clamp holder, enabling the female joint of the drill rod to face the power head, grabbing the additionally-connected drill rod to the front end of the power head by the manipulator, and driving the grabbing arm to move in the axial direction of the power head through the main joint arm and enter the chuck of the power head;
s2, the manipulator drives the additional connection drill rod to continue to move towards the power head, the female joint of the additional connection drill rod compresses the conical surface of the water braid mandrel and compresses the mandrel towards the direction of the bearing seat, the spring is compressed, the chuck is fixed at the moment, and the manipulator withdraws;
and S3, the power head rotates and pushes towards the direction of the clamp holder, and drives the male joint thread of the additional drill rod to be rotationally connected with the female joint thread of the clamping inner drill rod, so that the drill rod is loaded.
Optionally, in step S2, the chuck is used to fix the connection between the extension rod and the water swivel and keep the spring in a compressed state all the time.
The invention has the beneficial effects that: the automatic rod feeding device and method for the drilling machine, provided by the invention, realize the conversion of semi-automatic drilling and automatic drilling, greatly improve the adding and connecting efficiency of the drill rod, avoid manual screw connection of the drill rod and reduce the labor intensity.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a front view of an automatic rod feeding device of a drilling machine according to the present invention;
FIG. 2 is a top view of an automatic rod feeding device of a drilling machine according to the present invention;
FIG. 3 is a cross-sectional view of an automatic rod feeding device of a drilling machine according to the present invention;
FIG. 4 is an enlarged view of A in FIG. 3;
FIG. 5 is a schematic view of a water swivel of an automatic rod feeding device of a drilling machine according to the present invention;
fig. 6 is a sectional view taken along line a-a of fig. 5.
Reference numerals: the device comprises a water braid 1, a fixed disc 11, a spring 12, a mandrel 13, a bearing seat 14, a bearing 15, a power head 2, a manipulator 3, a main joint arm 31, a grabbing arm 32, an additional connection drill rod 4, a clamp 5, a chuck 6, a rack 7, a conical surface a and an internal thread b.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 6, an automatic rod-loading device for a drilling machine includes a frame 7, a power head 2 and a holder 5 disposed on the frame 7, and a manipulator 3 for assisting to additionally connect a drill rod 4, wherein the holder 5 is used for fixing the drill rod; the power head 2 comprises a water swivel 1 arranged in the power head 2, the water swivel 1 is connected with an extension drill rod 4 in a matching manner, the manipulator 3 comprises a grabbing arm 32 acting on the drill rod and a main joint arm 31 connected with the grabbing arm 32, the main joint arm 31 stretches and retracts to drive the grabbing arm 32 to move in the axial direction of the power head 2, and the water swivel 1 comprises a bearing seat 14 and a mandrel 13 movably arranged in one end of the bearing seat 14; the end, far away from a bearing seat 14, of the mandrel 13 is provided with a conical surface, a bearing 15 is arranged in the bearing seat 14, a fixed plate 11 is further sleeved outside the mandrel in a matched mode, the drill rod comprises a drill rod body, and a female joint and a male joint which are respectively arranged at two ends of the drill rod, an internal thread is arranged in the female joint, and an external thread is arranged outside the male joint; the female joint is matched with the conical surface of the mandrel 13, the power head 2 further comprises a chuck 6 arranged outside the joint of the water braid 1 and the drill rod, and the power head 2 is arranged on the rack 7 in a sliding mode through a sliding assembly.
In the embodiment, a spring 12 is arranged between the bearing seat 14 and the mandrel 13, one end of the mandrel 13 is movably arranged in the bearing seat 14, and when the drill rod is not installed, the spring 12 is in a relaxation state.
The automatic rod feeding method of the drilling machine is applied to the automatic rod feeding device of the drilling machine, and comprises the following steps:
s1, fixing the drill rod in the clamp holder 5, enabling the female joint of the drill rod to face the power head 2, grabbing the additionally-connected drill rod 4 to the front end of the power head 2 by the manipulator 3, and driving the grabbing arm 32 to move in the axial direction of the power head 2 through the main joint arm 31 and enter the chuck 6 of the power head 2;
s2, the manipulator 3 drives the extension drill rod 4 to continue to move towards the power head 2, the female joint of the extension drill rod 4 compresses the conical surface of the core shaft 13 of the water braid 1 and compresses the core shaft 13 towards the bearing seat 14, the spring 12 is compressed, the chuck 6 is fixed at the moment, and the manipulator 3 is withdrawn;
and S3, the power head 2 rotates and pushes towards the direction of the clamp holder 5, and drives the male joint thread of the additional drill rod 4 to be rotationally connected with the female joint thread of the clamping inner drill rod, so that the drill rod is loaded.
In the present embodiment, in step S2, the chuck 6 is used to fix the connection between the extension rod 4 and the water braid 1 and keep the spring 12 in a compressed state all the time.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.

Claims (9)

1. The utility model provides an automatic device of going up to pole of rig which characterized in that: the drilling machine comprises a rack, a power head and a clamp arranged on the rack, and a manipulator for assisting in additionally connecting a drilling rod, wherein the clamp is used for fixing the drilling rod;
the power head comprises a water swivel arranged in the power head, and the water swivel is connected with the extension drill rod in a matching mode.
2. The automatic rod feeding device of the drilling machine as claimed in claim 1, wherein: the manipulator includes the main articulated arm that is connected with this snatchs the arm and snatchs the arm that acts on the drilling rod, and main articulated arm stretches out and draws back and drives and snatch the arm and move in the axial of unit head.
3. The automatic rod feeding device of the drilling machine as claimed in claim 1, wherein: the water braid comprises a bearing seat and a mandrel movably arranged in one end of the bearing seat, and a spring is arranged between the bearing seat and the mandrel;
the end of the mandrel far away from the bearing seat is provided with a conical surface, a bearing is arranged in the bearing seat, and a fixed disc is sleeved outside the bearing seat in a matching way.
4. The automatic rod feeding device of the drilling machine as claimed in claim 3, wherein: the drill rod comprises a drill rod body, and a female joint and a male joint which are respectively arranged at two ends of the drill rod, wherein an internal thread is arranged in the female joint, and an external thread is arranged outside the male joint;
the female joint is matched with the conical surface of the mandrel.
5. The automatic rod feeding device of the drilling machine as claimed in claim 1, wherein: the power head also comprises a chuck arranged outside the joint of the water swivel and the drill rod.
6. The automatic rod feeding device of the drilling machine as claimed in claim 1, wherein: the power head is arranged on the rack in a sliding mode through the sliding assembly.
7. The automatic rod feeding device of the drilling machine as claimed in claim 1, wherein: the axis of the drill rod fixed by the clamp is coaxial with the axis of the water swivel.
8. An automatic rod-feeding method of a drilling machine, which applies the automatic rod-feeding device of the drilling machine as claimed in any one of claims 1 to 7, and is characterized by comprising the following steps:
s1, fixing the drill rod in the clamp holder, enabling the female joint of the drill rod to face the power head, grabbing the additionally-connected drill rod to the front end of the power head by the manipulator, and driving the grabbing arm to move in the axial direction of the power head through the main joint arm and enter the chuck of the power head;
s2, the manipulator drives the additional connection drill rod to continue to move towards the power head, the female joint of the additional connection drill rod compresses the conical surface of the water braid mandrel and compresses the mandrel towards the direction of the bearing seat, the spring is compressed, the chuck is fixed at the moment, and the manipulator withdraws;
and S3, the power head rotates and pushes towards the direction of the clamp holder, and drives the male joint thread of the additional drill rod to be rotationally connected with the female joint thread of the clamping inner drill rod, so that the drill rod is loaded.
9. The automatic rod feeding method of the drilling machine as claimed in claim 8, wherein: in step S2, the chuck is used to fix the attachment of the extension rod to the swivel and keep the spring in a compressed state all the time.
CN202110727857.3A 2021-06-29 2021-06-29 Automatic rod feeding device and method for drilling machine Active CN113294101B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110727857.3A CN113294101B (en) 2021-06-29 2021-06-29 Automatic rod feeding device and method for drilling machine

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Application Number Priority Date Filing Date Title
CN202110727857.3A CN113294101B (en) 2021-06-29 2021-06-29 Automatic rod feeding device and method for drilling machine

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CN113294101A true CN113294101A (en) 2021-08-24
CN113294101B CN113294101B (en) 2022-07-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115450576A (en) * 2022-09-16 2022-12-09 北京科技大学 Continuous drilling device for detecting deep stress field of coal seam

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CN109184595A (en) * 2018-09-18 2019-01-11 中煤科工集团重庆研究院有限公司 Rearmounted automatic additional connection drilling equipment of drilling rod
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115450576A (en) * 2022-09-16 2022-12-09 北京科技大学 Continuous drilling device for detecting deep stress field of coal seam
CN115450576B (en) * 2022-09-16 2023-07-25 北京科技大学 Continuous drilling device for detecting deep stress field of coal seam

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