CN110965949B - Telescopic drill rod transmission mechanism - Google Patents

Telescopic drill rod transmission mechanism Download PDF

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Publication number
CN110965949B
CN110965949B CN201910941642.4A CN201910941642A CN110965949B CN 110965949 B CN110965949 B CN 110965949B CN 201910941642 A CN201910941642 A CN 201910941642A CN 110965949 B CN110965949 B CN 110965949B
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China
Prior art keywords
seat
drill rod
rod
wall surface
drill
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Expired - Fee Related
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CN201910941642.4A
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Chinese (zh)
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CN110965949A (en
Inventor
王力凡
王克非
蔡宗超
潘洪涛
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Individual
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Individual
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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
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/03Couplings; joints between drilling rod or pipe and drill motor or surface drive, e.g. between drilling rod and hammer

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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 discloses a telescopic drill rod transmission mechanism, which relates to the field of drill rod connecting devices and comprises a connecting seat, wherein an upper rod connector seat is arranged on the lower wall surface of the connecting seat, square shafts are arranged in the connecting seat and the upper rod connector seat in a sliding manner, the inner cavity of the upper rod connector seat is of a square inner cavity structure, the upper end of each square shaft penetrates through the connecting seat, the square shafts are used for realizing larger torsion resistance of the connector, the stability and the safety of the connector are further improved, when drill rods are connected, the engagement path between threads is compensated through the telescopic action between the square shafts and the rod connectors, the connection firmness of the drill rods is ensured, the drill rods can be transversely installed through the lower rod connector seat, the drill rod butt joint is carried out after a power head rises, the working efficiency of carrying drill rod butt joint of workers is improved, the drill rods can be fixed in the drill rod connecting seat through a drill rod limiting seat to prevent the drill rods from falling off, the invention has simple structure and convenient operation, saves the time for connecting the drill rods and improves the stability of the connection of the drill rods.

Description

Telescopic drill rod transmission mechanism
Technical Field
The invention relates to the field of drill rod connecting devices, in particular to a telescopic drill rod transmission mechanism.
Background
Along with the progress and development of science and technology, mechanical equipment is also applied to building construction, the mechanical equipment is introduced to improve the working efficiency of construction, the drilling technology is particularly outstanding, during the drilling operation, as the drilling depth is longer, a drill rod and a power head need to be spliced, and further the drilling depth is prolonged, most of the existing drilling rod splicing modes are that an operator butt joints the drill rod, time and labor are wasted, as the drill rod needs internal threads to be meshed with external threads for screwing, a connector is needed to assist the connection of the drill rod, for example, in the utility model patent named as a drill rod connector of a shallow stratum drilling machine and with the application number of 200920080033.6, a power output shaft is designed to still transmit the drill rod under the condition that the power output shaft is bent at a certain angle with the drill rod, and the power output shaft cannot be broken due to frequent bending deformation, the service life of the drilling machine can be prolonged, the center of the connector is provided with an air flow channel, air flow can be communicated with an operation point, the drilling machine can be cooled, residues of the operation point can be blown away, the drilling speed is improved, the production cost is reduced, but the total length of the drill rod is changed due to thread engagement when the drill rod is connected with the drill rod, the total length between the drill rod and the drill rod is still changed after the existing connector is butted with the drill rod, the connection between threads is not firm enough, the damage of the threads is easy to occur, the damage of the drill rod is further caused, in case of serious situation, the drill rod is broken in a drilling well due to the fact that the thread connection is not tight enough, drilling accidents occur, for example, in the utility model patent with the name of a buffer type drill rod connector for connecting the drill rod and the publication number of CN205936429U, the time for connecting the drill rod and the power output end is greatly reduced, and manual observation is not needed, the realization automated control that can be simple has avoided the damage at connection position, reduces the cost of labor, improves work efficiency, has also reduced the maintenance cost simultaneously, nevertheless because the unit head can produce great torsion when rotating, and current connector inner structure is the cylinder structure, and its torsional resistance is less, destroys the connector easily under great torsion co-operation condition, has reduced the connection stability of drill rod.
Disclosure of Invention
The invention aims to solve the problems and designs a telescopic drill rod transmission mechanism.
The telescopic drill rod transmission mechanism comprises a connecting seat, an upper rod connector seat is installed on the lower wall surface of the connecting seat, a square shaft is installed in the connecting seat and the upper rod connector seat in a sliding mode, the inner cavity of the upper rod connector seat is of a square inner cavity structure, the upper end of the square shaft penetrates through the connecting seat, a square shaft seat is installed at the penetrating end of the square shaft, a transition seat is fixedly installed on the upper rod connector seat, a lower rod connector seat is hinged to the transition seat, a drill rod connecting seat is installed at the lower end of the lower rod connector seat, and a drill rod limiting base is clamped on the drill rod connecting seat.
And a sealing ring is arranged between the square shaft and the upper seat of the rod extension device, the sealing ring is embedded on the square shaft, and a T-shaped GRILET ring is sleeved below the sealing ring on the square shaft.
The connecting seat is characterized in that a square cover is installed in the inner cavity of the connecting seat, a first rotary key is arranged on the inner wall surface of the connecting seat above the square cover, a blocking ring is installed on the first rotary key, a first elastic washer is installed on the blocking ring, and a flat key is arranged between the lower wall surface of the square cover and the lower wall surface of the inner cavity of the connecting seat.
The transition seat is internally provided with an installation cavity, the connecting end of the lower seat of the extension rod device is inserted in the installation cavity, the lower seat of the extension rod device is hinged with the transition seat through a pin shaft, the pin shaft is positioned at the outer end of the transition seat and is embedded with a baffle, and the baffle is fixedly connected with the side wall surface of the transition seat through a limiting bolt.
The drill rod limiting base comprises a rotating upper portion, a second rotating key is arranged between the inner wall face of the rotating upper portion and the outer wall face contact surface of the drill rod connecting seat, the drill rod limiting base is connected with the drill rod connecting seat through the second rotating key in a sliding mode, the rotating upper portion is located below the second rotating key and provided with a ball spring pin, the ball spring pin is in contact with the outer wall face of the drill rod connecting seat, the lower end of the rotating upper portion is provided with a rotating lower portion, and a through hole is formed in the lower wall face of the rotating lower portion.
The drill rod connecting seat is characterized in that a pair of first clamping keys with the same structure is arranged on the inner wall surface of the through hole, the pair of first clamping keys are oppositely arranged on the inner wall surface of the through hole, and a pair of second clamping keys with the same structure is arranged in the inner cavity of the drill rod connecting seat and matched with the inner wall surface of the through hole.
The widths of the pair of second clamping keys are gradually increased from bottom to top respectively.
Handles are respectively arranged on two sides of the outer wall surface of the upper rotating part.
The rotating upper part and the rotating lower part are fixedly connected through a hexagonal fixing bolt and a hexagonal nut.
And a flat washer and an elastic washer are arranged between the hexagonal nut and the rotating upper part.
The telescopic drill rod transmission mechanism manufactured by the technical scheme of the invention realizes larger torsion resistance of the connector through the square shaft, so that the stability and the safety of the connector are improved, the meshing path between threads is compensated through the extension between the square shaft and the connecting rod device when drill rods are connected, so that the connection of the drill rods is ensured to be firm, the drill rods can be transversely installed through the lower seat of the connecting rod device, the butt joint of the drill rods is carried out after the power head rises, the working efficiency of carrying the butt joint of the drill rods by workers is improved, and the drill rods can be fixed in the drill rod connecting seat through the drill rod limiting base to prevent the drill rods from falling off.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a partially enlarged view of the connecting socket of the present invention;
FIG. 4 is an enlarged view of a portion of the pin of the present invention;
in the figure, 1-connecting seat; 2-upper seat of rod connecting device; 3-square shaft; 4-square shaft seat; 5-a transition seat; 6-extension rod device lower seat; 7-a drill rod connecting seat; 8-a drill rod limiting base; 9-sealing ring; 10-T type Glay circle; 11-square cover; 12-a first rotating key; 13-a baffle ring; 14-a first resilient gasket; 15-mounting a cavity; 16-a pin shaft; 17-a baffle; 18-a limit bolt; 19-rotating the upper part; 20-a second rotating key; 21-ball spring pins; 22-rotating the lower part; 23-a through hole; 24-a first click key; 25-a second card key; 26-a handle; 27-hexagonal fixing bolt; 28-hexagonal nut; 29-plain washer; 30-a resilient washer; 31-Flat bond.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings, and as shown in fig. 1-4, the invention includes a connecting seat 1, a rod connector upper seat 2 is installed on a lower wall surface of the connecting seat 1, a square shaft 3 is slidably installed in the connecting seat 1 and the rod connector upper seat 2, an inner cavity of the rod connector upper seat 2 is of a square inner cavity structure, an upper end of the square shaft 3 penetrates through the connecting seat 1, a square shaft seat 4 is installed on the penetrating end of the square shaft 3, a transition seat 5 is fixedly installed on the rod connector upper seat 2, a rod connector lower seat 6 is hinged on the transition seat 5, a drill rod connecting seat 7 is installed at a lower end of the rod connector lower seat 6, a drill rod limiting base 8 is clamped on the drill rod connecting seat 7, a sealing ring 9 is installed between the square shaft 3 and the rod connector upper seat 2, the sealing ring 9 is embedded on the square shaft 3, a T-shaped glede ring 10 is sleeved on the square shaft 3 below the sealing ring 9, a square cover 11 is installed in an inner cavity of the connecting seat 1, a first rotary key 12 is arranged on the inner wall surface of the connecting seat 1 above the square cover 11, a baffle ring 13 is installed on the first rotary key 12, a first elastic washer 14 is installed on the baffle ring 13, a flat key 31 is arranged between the lower wall surface of the square cover 11 and the lower wall surface of the inner cavity of the connecting seat 1, an installation cavity 15 is arranged in the transition seat 5, the connecting end of the lower seat 6 of the rod connector is inserted in the installation cavity 15, the lower seat 6 of the rod connector is hinged with the transition seat 5 through a pin shaft 16, a baffle 17 is embedded at the outer end of the transition seat 5 through the pin shaft 16, the baffle 17 is fixedly connected with the side wall surface of the transition seat 5 through a limiting bolt 18, the drill rod limiting base 8 comprises a rotary upper portion 19, and a second rotary key 20 is arranged between the inner wall surface of the rotary upper portion 19 and the outer wall surface of the drill rod connecting seat 7, the drill rod limiting base 8 is slidably connected with the drill rod connecting seat 7 through a second rotating key 20, the rotating upper portion 19 is located below the second rotating key 20 and is provided with a ball spring pin 21, the ball spring pin 21 is in contact with the outer wall surface of the drill rod connecting seat 7, the lower end of the rotating upper portion 19 is provided with a rotating lower portion 22, the lower wall surface of the rotating lower portion 22 is provided with a through hole 23, the inner wall surface of the through hole 23 is provided with a pair of first clamping keys 24 with the same structure, the pair of first clamping keys 24 are oppositely arranged on the inner wall surface of the through hole 23, the inner cavity of the drill rod connecting seat 7 is provided with a pair of second clamping keys 25 with the same structure and matched with the inner wall surface of the through hole 23, the width of the pair of second clamping keys 25 is gradually increased from bottom to top, handles 26 are respectively arranged on two sides of the outer wall surface of the rotating upper portion 19, and the rotating upper portion 19 are fixedly connected with the rotating lower portion 22 through a hexagon fixing bolt 27 and a hexagon nut 28, a flat washer 29 and an elastic washer 30 are installed between the hexagonal nut 28 and the swivel upper part 19.
The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes thereof are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in the present disclosure.
Example (b): as can be known from the attached drawings 1-4 in the specification, when the power head is lowered to the bottom of the drill rod equipment in use, the rod extension device lower seat 6 is rotated, the rod extension device lower seat 6 rotates under the action of the pin shaft 16 until the rod extension device lower seat 6 is placed in the horizontal direction, at the moment, a drill rod is inserted through the through hole 23 in the drill rod limiting base 8, as the drill rod is provided with the flat key, the drill rod is clamped on the first clamping key 24 and the second clamping key 25 through the flat key until the flat key completely enters the second clamping key 25, at the moment, the handle is rotated, the drill rod limiting base 8 rotates 90 degrees under the action of the second rotating key 20, so that the drill rod is clamped in the drill rod connecting base 7, wherein the ball spring pin 21 plays the roles of smoothly rotating the upper part 19 on the drill rod connecting base 7 and increasing the pressure to fix, at the moment, the drill rod is lifted and is in the vertical direction along with the gradual lifting of the power head, and the external screw thread of the lower end of the drill rod corresponds to the internal screw thread of the drill rod to be connected, at the moment, the power head descends, the drill rod is butted, the power head is started to enable the rod connecting device to rotate, when the whole rod connecting device rotates, the butt joint of the screw threads between the drill rods is realized, the screw threads are mutually meshed, at the moment, the lower end of the square shaft 3 moves in the rod connecting device upper seat 2, the path of the screw thread connection between the drill rods is further compensated, the square shaft 3 is of a square structure, therefore, the self anti-torsion capacity of the square shaft 3 is stronger, the stability of the rod connecting device upper seat 2 is improved, the square cover 11 in the connecting seat 1 prevents the square shaft 3 from falling off under the limiting action of the flat key 31, the first rotary key 21 and the baffle ring 13 play a role in limiting protection, and the sealing ring 9 and the T-shaped GRILL ring 10 between the square shaft 3 and the rod connecting device upper seat 2 play a role in oil sealing.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims (7)

1. A telescopic drill rod transmission mechanism comprises a connecting seat (1) and is characterized in that a rod connecting device upper seat (2) is installed on the lower wall surface of the connecting seat (1), a square shaft (3) is installed in the connecting seat (1) and the rod connecting device upper seat (2) in a sliding mode, the inner cavity of the rod connecting device upper seat (2) is of a square inner cavity structure, the upper end of the square shaft (3) penetrates through the connecting seat (1), a square shaft seat (4) is installed on the penetrating end of the square shaft (3), a transition seat (5) is fixedly installed on the rod connecting device upper seat (2), a rod connecting device lower seat (6) is hinged to the transition seat (5), a drill rod connecting seat (7) is installed at the lower end of the rod connecting device lower seat (6), a drill rod limiting base (8) is clamped on the drill rod connecting seat (7), a drill rod square cover (11) is installed in the inner cavity of the connecting seat (1), a first rotating key (12) is arranged on the inner wall surface of the connecting seat (1) above the square cover (11), a baffle ring (13) is installed on the first rotary key (12), a first elastic washer (14) is installed on the baffle ring (13), a flat key (31) is arranged between the lower wall surface of the square cover (11) and the lower wall surface of the inner cavity of the connecting seat (1), an installation cavity (15) is arranged in the transition seat (5), the connecting end of the lower seat (6) of the rod connecting device is inserted in the installation cavity (15), the lower seat (6) of the rod connecting device is hinged with the transition seat (5) through a pin shaft (16), a baffle (17) is embedded at the outer end of the transition seat (5) of the pin shaft (16), the baffle (17) is fixedly connected with the side wall surface of the transition seat (5) through a limiting bolt (18), the drill rod limiting base (8) comprises a rotary upper portion (19), a second rotary key (20) is arranged between the inner wall surface of the rotary upper portion (19) and the outer wall surface contact surface of the drill rod connecting seat (7), through second rotating key (20) sliding connection between spacing base of drilling rod (8) and drilling rod connecting seat (7), rotatory upper portion (19) are located second rotating key (20) below and install ball spring round pin (21), ball spring round pin (21) contact with drilling rod connecting seat (7) outer wall, rotatory upper portion (19) lower extreme is equipped with rotatory lower part (22), through-hole (23) have been seted up to rotatory lower part (22) lower wall, and square shaft (3) increase torsional resistance.
2. The telescopic drill rod transmission mechanism as claimed in claim 1, characterized in that a sealing ring (9) is arranged between the square shaft (3) and the upper seat (2) of the rod extension device, the sealing ring (9) is embedded on the square shaft (3), and a T-shaped GREAL ring (10) is sleeved on the square shaft (3) below the sealing ring (9).
3. The telescopic drill rod transmission mechanism as claimed in claim 1, wherein a pair of first clamping keys (24) with the same structure is arranged on the inner wall surface of the through hole (23), the pair of first clamping keys (24) are oppositely arranged on the inner wall surface of the through hole (23), and a pair of second clamping keys (25) with the same structure is arranged in the inner cavity of the drill rod connecting seat (7) and matched with the inner wall surface of the through hole (23).
4. The retractable drill rod transmission mechanism as claimed in claim 3, wherein the widths of the pair of second locking keys (25) are gradually increased from bottom to top.
5. The telescopic drill rod transmission mechanism as claimed in claim 1, wherein handles (26) are respectively mounted on two sides of the outer wall surface of the upper rotating part (19).
6. The telescoping drill rod transmission according to claim 1, wherein the upper rotating part (19) and the lower rotating part (22) are fixedly connected by a hexagonal fixing bolt (27) and a hexagonal nut (28).
7. The telescoping drill string mechanism as in claim 6, wherein a flat washer (29) and a resilient washer (30) are mounted between the hex nut (28) and the rotating upper portion (19).
CN201910941642.4A 2019-09-30 2019-09-30 Telescopic drill rod transmission mechanism Expired - Fee Related CN110965949B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910941642.4A CN110965949B (en) 2019-09-30 2019-09-30 Telescopic drill rod transmission mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910941642.4A CN110965949B (en) 2019-09-30 2019-09-30 Telescopic drill rod transmission mechanism

Publications (2)

Publication Number Publication Date
CN110965949A CN110965949A (en) 2020-04-07
CN110965949B true CN110965949B (en) 2021-10-22

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CN201910941642.4A Expired - Fee Related CN110965949B (en) 2019-09-30 2019-09-30 Telescopic drill rod transmission mechanism

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CN (1) CN110965949B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104847285A (en) * 2015-05-26 2015-08-19 连云港黄海机械股份有限公司 Automatic rod feeding device for all-hydraulic drills
CN205936429U (en) * 2016-06-27 2017-02-08 徐玉杰 Buffering formula drilling rod connector
CN108071352A (en) * 2017-12-14 2018-05-25 中国能源建设集团安徽省电力设计院有限公司 Drill rod connecting device
CN110029951A (en) * 2019-05-31 2019-07-19 贵州大学 A kind of segmentation drilling rod docking facilities
EP3650633A1 (en) * 2018-11-06 2020-05-13 The Sollami Company Bit holder with shortened nose portion

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104847285A (en) * 2015-05-26 2015-08-19 连云港黄海机械股份有限公司 Automatic rod feeding device for all-hydraulic drills
CN205936429U (en) * 2016-06-27 2017-02-08 徐玉杰 Buffering formula drilling rod connector
CN108071352A (en) * 2017-12-14 2018-05-25 中国能源建设集团安徽省电力设计院有限公司 Drill rod connecting device
EP3650633A1 (en) * 2018-11-06 2020-05-13 The Sollami Company Bit holder with shortened nose portion
CN110029951A (en) * 2019-05-31 2019-07-19 贵州大学 A kind of segmentation drilling rod docking facilities

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Granted publication date: 20211022