CN104563922B - A kind of drill pipe tong that need not change jaw - Google Patents

A kind of drill pipe tong that need not change jaw Download PDF

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Publication number
CN104563922B
CN104563922B CN201510040054.5A CN201510040054A CN104563922B CN 104563922 B CN104563922 B CN 104563922B CN 201510040054 A CN201510040054 A CN 201510040054A CN 104563922 B CN104563922 B CN 104563922B
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CN
China
Prior art keywords
clamping
pincers
pressing plate
wheel
duplicate gear
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CN201510040054.5A
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Chinese (zh)
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CN104563922A (en
Inventor
熊倪
徐平建
黄贤振
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NANTONG JINNIU MACHINERY MANUFACTURE CO Ltd
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NANTONG JINNIU MACHINERY MANUFACTURE CO Ltd
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Priority to CN201510040054.5A priority Critical patent/CN104563922B/en
Publication of CN104563922A publication Critical patent/CN104563922A/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP 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
    • E21B19/161Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
    • E21B19/164Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe motor actuated

Abstract

A kind of drill pipe tong that need not change jaw, relates to drilling rig technique field.Including: under clamp base, lower pincers compression hydraulic cylinder, upper pincers cut-off wheel, clamping duplicate gear, clamping drive gear, clamping hydraulic motor, upper shackle hydraulic motor, fixation clip, pressing plate guide rail, pressing plate hydraulic cylinder, U-shaped support, clamping leading screw, clamping leading screw helical gear, upper pincers dental lamina frame, back-moving spring, housing.Upper pincers cut-off wheel is connected with lower pincers base by lower pincers roller;Clamping duplicate gear is connected with upper pincers cut-off wheel by upper pincers roller;Clamping leading screw assembly is installed with on the U-shaped support of upper pincers, and upper pincers dental lamina frame is connected by dovetail groove with clamping leading screw assembly, and upper pincers dental lamina frame can move up and down on clamping leading screw assembly.Present configuration is compact, need not change the most applicable all size drilling rods of jaw, improves, shackle efficiency, alleviates labor strength.

Description

A kind of drill pipe tong that need not change jaw
Technical field
This utility model relates to drilling rig technique field, refers in particular to a kind of drill pipe tong that need not change jaw.
Background technology
Drill pipe tong is a kind of preferably oil drilling rig tool, when generally applicable Yu Haiyang, land drilling well, workover treatment on unload tubing string screw thread operation, its binding clip system open-type, can freely disengage drilling rod, mobility strong.At present, the tubing string scope that traditional drill pipe tong is suitable for is narrow, although some improved hydraulic tongses increase applicable tubing string scope, but configuration must overlap the dental lamina parts that size is different, during work more, corresponding different caliber interval needs to change corresponding dental lamina parts, the various parts such as including dental lamina, tooth seat, ramp, jaw, more because Renewal process relates to part, and need to ensure the highest installation accuracy, greatly reduce work efficiency, increase the weight of the labor intensity of workman.
Utility model content
The purpose of this utility model is to provide a kind of drill pipe tong that need not change jaw, it is adaptable to the drilling rod of various calibers, and it is workable, the suitability good, work efficiency is high, easy to use.
The technical scheme realizing above-mentioned purpose is: a kind of drill pipe tong that need not change jaw, including lower pincers base, the two bottom sides of lower pincers base is symmetrically installed with lower pincers compression hydraulic cylinder, the outfan of lower pincers compression hydraulic cylinder is respectively connected with the lower clamping dental lamina of arc, it is characterized in that: connecting on described lower pincers base has housing, pincers cut-off wheel and clamping duplicate gear it is provided with in housing on lower pincers base, upper pincers cut-off wheel is installed in rotation on lower pincers base, clamping duplicate gear is installed in rotation on pincers cut-off wheel, it is provided with the U-lag for placing drilling rod on upper pincers cut-off wheel and clamping duplicate gear;Being provided with vertically arranged hydraulic motor on housing, hydraulic motor is used for driving pincers cut-off wheel to rotate;The periphery of described clamping duplicate gear is provided with radial teeth, the inner circumferential of clamping duplicate gear is provided with axial tooth, the both sides of clamping duplicate gear are respectively symmetrically and are provided with a U-shaped support that Open Side Down, U-shaped support is fixed on pincers cut-off wheel, a clamping screw mandrel helical gear engaged with the axial tooth of clamping duplicate gear it is respectively arranged with in U-shaped support, the clamping helical gear center of screw mandrel is respectively connected with a clamping screw mandrel, the opposite end of both sides clamping screw mandrel is respectively connected with the upper clamping dental lamina of arc, described housing both sides are provided with clamping hydraulic motor, the outfan of clamping hydraulic motor connects the radial teeth of clamping duplicate gear respectively by gear drive.
Being provided with lower pincers roller on described lower pincers base, upper pincers cut-off wheel is installed in rotation on lower pincers roller, and upper pincers cut-off wheel is provided with pincers roller, and clamping duplicate gear is installed in rotation on pincers roller.
Vertically arranged pressing plate hydraulic cylinder is installed on described housing, it is provided with cannelure on described clamping duplicate gear, multiple guide hole it is evenly equipped with in cannelure, annular pressing plate it is provided with in cannelure, the lower surface of annular pressing plate is evenly equipped with the guide rod coordinated with the guide hole in cannelure, annular pressing plate outwardly clamping duplicate gear, protrude that be provided with on the annular pressing plate of clamping duplicate gear can the annular pressing plate guide rail of opposed annular press plate rotary, the hydraulic pressure rod end of pressing plate hydraulic cylinder is fixed with annular pressing plate guide rail, annular pressing plate guide rail is pressed under pressing plate Driven by Hydraulic Cylinder pressing plate hydraulic cylinder, the guide rod top making annular pressing plate lower surface is pressed on pincers cut-off wheel.
The side of the opposite end of both sides clamping screw mandrel is provided with pincers dental lamina frame, it is provided with vertically arranged slide bar in upper pincers dental lamina frame, the described upper clamping dental lamina having arc is nested with slidably on slide bar, the end that described both sides screw mandrel is relative is respectively connected with the slide plate with dovetail groove, and described upper clamping dental lamina is slidably mounted in the dovetail groove of slide plate.
The lower end of described upper clamping dental lamina is clamped between dental lamina frame and is provided with back-moving spring on corresponding.
This utility model have employed brand-new clamp system, makes upper clamping dental lamina move and clamp drilling rod to center by gear driven clamping leading screw, then drives drilling rod to rotate by clamping cut-off wheel rotation in fluid motor-driven, it is achieved the upper shackle operation of drilling rod.
The beneficial effects of the utility model are:
1, this utility model have employed a kind of new upper pincers clamping device, just need can not realize the clamping of drilling rod by the device such as ramp, jaw, jaw plate frame, and integrated level is high, saves equipment space, has reached the purpose of maximum utilizationization.
2, this utility model is on the premise of being changed without any device, it is possible to be applicable to the drilling rod of all calibers, has the strongest versatility and the suitability, improves work efficiency, alleviates the labor intensity of workman.
Accompanying drawing explanation
Fig. 1 is structure chart of the present utility model;
Fig. 2 is sectional view of the present utility model;
Fig. 3 is working state figure of the present utility model;
Fig. 4 is annular pressing plate and the explosive view of pressing plate guide rail.
Detailed description of the invention
As shown in Figure 1,2,3, 4, this utility model includes that lower pincers base 1, the two bottom sides of lower pincers base are symmetrically installed with lower pincers compression hydraulic cylinder 2, the piston rod of lower pincers compression hydraulic cylinder 2 is fixed with lower pincers base 1, and the relative cylinder body inner side end of lower pincers compression hydraulic cylinder 2 is respectively connected with the lower clamping dental lamina 3 of arc.
Connect on lower pincers base 1 and have housing 4, pincers cut-off wheel 5 and clamping duplicate gear 6 it is provided with in housing 4 on lower pincers base 1, it is provided with the U-lag for placing drilling rod on upper pincers cut-off wheel 5 and clamping duplicate gear 6, lower pincers roller 7 it is provided with on lower pincers base 1, upper pincers cut-off wheel 5 is installed in rotation on lower pincers roller 7, being provided with pincers roller 8 on upper pincers cut-off wheel 5, clamping duplicate gear 6 is installed in rotation on pincers roller 8.
Vertically arranged hydraulic motor 9 and vertically arranged pressing plate hydraulic cylinder 10 are installed on housing 1, are connected by the first gear drive between hydraulic motor 9 with upper pincers cut-off wheel 5;It is provided with cannelure 11 on clamping duplicate gear 6, multiple guide hole 12 it is evenly equipped with in cannelure 11, annular pressing plate 13 it is provided with in cannelure 11, the lower surface of annular pressing plate 13 is evenly equipped with the guide rod 14 coordinated with the guide hole 12 in cannelure 11, annular pressing plate 13 outwardly clamping duplicate gear 6, protrude clamping duplicate gear 6 annular pressing plate 13 on be provided with can opposed annular pressing plate 13 rotate annular pressing plate guide rail 15, the hydraulic pressure rod end of pressing plate hydraulic cylinder 10 is fixed with annular pressing plate guide rail 15, drive 10 times pressure annular pressing plate guide rails 15 of pressing plate hydraulic cylinder, , guide rod 14 top of annular pressing plate 13 lower surface is pressed on pincers cut-off wheel 5, clamping duplicate gear 6 and upper pincers cut-off wheel 5 is made not to relatively rotate;
nullThe periphery of clamping duplicate gear 6 is provided with radial teeth 16,The inner circumferential of clamping duplicate gear 6 is provided with axial tooth 17,The both sides of clamping duplicate gear 6 are respectively symmetrically and are provided with a U-shaped support 18 that Open Side Down,U-shaped support 18 is bolted on the center of pincers cut-off wheel 5 respectively,A clamping screw mandrel helical gear 19 engaged with the axial tooth 17 of clamping duplicate gear 6 it is respectively arranged with in U-shaped support 18,The center of clamping screw mandrel helical gear 19 is respectively connected with a clamping screw mandrel 20,The side of the opposite end of both sides clamping screw mandrel 20 is provided with pincers dental lamina frame 22,It is provided with vertically arranged slide bar 23 in upper pincers dental lamina frame 22,Slide on slide bar 23 and place the upper clamping dental lamina 24 of arc,The lower end of upper clamping dental lamina 24 is clamped between dental lamina frame 22 and is provided with back-moving spring 25 on corresponding;The opposite end of both sides clamping screw mandrel 20 is respectively connected with the slide plate 21 with dovetail groove, and upper clamping dental lamina 24 is slidably mounted in the dovetail groove of corresponding slide plate 21.
Housing 4 both sides are separately installed with a clamping hydraulic motor 26, and the outfan of clamping hydraulic motor 26 connects has the second gear 27, the second gear 27 to be in transmission connection the radial teeth 16 of clamping duplicate gear 6.
When upper, shackle drilling rod, lower clamping dental lamina 3 is by the lower kelly bar 28 of lower pincers compression hydraulic cylinder 2 clamping, lower kelly bar 28 is remained stationary as in upper, shackle process, the clamping hydraulic motor 26 on both sides drives clamping duplicate gear 6 to rotate, clamping duplicate gear 6 drives clamping screw mandrel helical gear 19 to rotate, clamping screw mandrel 20 drives upper clamping dental lamina 24 to move to center, the upper kelly bar 29 of final clamping;After clamping lower kelly bar 28, upper kelly bar 29, pressing plate hydraulic cylinder 10 pushes down on, drive 10 times pressure annular pressing plate guide rails 15 of pressing plate hydraulic cylinder, guide rod 14 top of annular pressing plate 13 lower surface is pressed on pincers cut-off wheel 5, clamping duplicate gear 6 and upper pincers cut-off wheel 5 is made not to relatively rotate, it is possible to effectively to prevent in upper, shackle process, clamping dental lamina 24 and loosen;Complete above drilling rod clamping and on clamp dental lamina 24 locking after, hydraulic motor 9 drives upper pincers cut-off wheel 5 to rotate by the first gear drive, clamp dental lamina 24 in drive to rotate, kelly bar 29 is rotated and by being threaded into or screw out lower kelly bar 28, finally realizes upper, the shackle of drilling rod.

Claims (5)

1. the drill pipe tong that need not change jaw, including lower pincers base, the two bottom sides of lower pincers base is symmetrically installed with lower pincers compression hydraulic cylinder, the outfan of lower pincers compression hydraulic cylinder is respectively connected with the lower clamping dental lamina of arc, it is characterized in that: connecting on described lower pincers base has housing, pincers cut-off wheel and clamping duplicate gear it is provided with in housing on lower pincers base, upper pincers cut-off wheel is installed in rotation on lower pincers base, clamping duplicate gear is installed in rotation on pincers cut-off wheel, it is provided with the U-lag for placing drilling rod on upper pincers cut-off wheel and clamping duplicate gear;Being provided with vertically arranged hydraulic motor on housing, hydraulic motor is used for driving pincers cut-off wheel to rotate;The periphery of described clamping duplicate gear is provided with radial teeth, the inner circumferential of clamping duplicate gear is provided with axial tooth, the both sides of clamping duplicate gear are respectively symmetrically and are provided with a U-shaped support that Open Side Down, U-shaped support is fixed on pincers cut-off wheel, a clamping screw mandrel helical gear engaged with the axial tooth of clamping duplicate gear it is respectively arranged with in U-shaped support, the clamping helical gear center of screw mandrel is respectively connected with a clamping screw mandrel, the opposite end of both sides clamping screw mandrel is respectively connected with the upper clamping dental lamina of arc, described housing both sides are provided with clamping hydraulic motor, the outfan of clamping hydraulic motor connects the radial teeth of clamping duplicate gear respectively by gear drive.
A kind of drill pipe tong that need not change Hubei Province plate the most according to claim 1, it is characterized in that: on described lower pincers base, be provided with lower pincers roller, upper pincers cut-off wheel is installed in rotation on lower pincers roller, being provided with pincers roller on upper pincers cut-off wheel, clamping duplicate gear is installed in rotation on pincers roller.
A kind of drill pipe tong that need not change jaw the most according to claim 1, it is characterized in that: vertically arranged pressing plate hydraulic cylinder is installed on described housing, it is provided with cannelure on described clamping duplicate gear, multiple guide hole it is evenly equipped with in cannelure, annular pressing plate it is provided with in cannelure, the lower surface of annular pressing plate is evenly equipped with the guide rod coordinated with the guide hole in cannelure, annular pressing plate outwardly clamping duplicate gear, protrude that be provided with on the annular pressing plate of clamping duplicate gear can the annular pressing plate guide rail of opposed annular press plate rotary, the hydraulic pressure rod end of pressing plate hydraulic cylinder is fixed with annular pressing plate guide rail, annular pressing plate guide rail is pressed under pressing plate Driven by Hydraulic Cylinder pressing plate hydraulic cylinder, the guide rod top making annular pressing plate lower surface is pressed on pincers cut-off wheel.
A kind of drill pipe tong that need not change jaw the most according to claim 1, it is characterized in that: the side of the opposite end of both sides clamping screw mandrel is provided with pincers dental lamina frame, it is provided with vertically arranged slide bar in upper pincers dental lamina frame, the described upper clamping dental lamina having arc is nested with slidably on slide bar, the end that described both sides clamping screw mandrel is relative is respectively connected with the slide plate with dovetail groove, and described upper clamping dental lamina is slidably mounted in the dovetail groove of slide plate.
A kind of drill pipe tong that need not change jaw the most according to claim 4, it is characterised in that: the lower end of described upper clamping dental lamina is clamped between dental lamina frame and is provided with back-moving spring on corresponding.
CN201510040054.5A 2015-01-27 2015-01-27 A kind of drill pipe tong that need not change jaw Active CN104563922B (en)

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Application Number Priority Date Filing Date Title
CN201510040054.5A CN104563922B (en) 2015-01-27 2015-01-27 A kind of drill pipe tong that need not change jaw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510040054.5A CN104563922B (en) 2015-01-27 2015-01-27 A kind of drill pipe tong that need not change jaw

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CN104563922A CN104563922A (en) 2015-04-29
CN104563922B true CN104563922B (en) 2016-08-24

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021023072A1 (en) * 2019-08-07 2021-02-11 北京康布尔石油技术发展有限公司 Make-up and break-out device, rotary hydraulic driving device, and hydraulic cylinder synchronous positioning device
CN110608001B (en) * 2019-10-18 2021-05-14 南通滨睿智能科技有限公司 Drill rod power tongs
CN111305773B (en) * 2020-03-09 2021-09-28 宝鸡石油机械有限责任公司 Jaw-replacement-free continuous rotation power tongs for iron roughneck

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86211108U (en) * 1986-12-28 1987-12-05 山东省临朐石油机械厂 Automatic notch alignment controller of an open power clamp
CN2154343Y (en) * 1993-05-26 1994-01-26 杨春会 Planetary claw double-way clamping sturture of power pliers
JPH09195697A (en) * 1996-01-23 1997-07-29 Mitsui Eng & Shipbuild Co Ltd Lifting device for casing pipe of anchor drill
JP4322756B2 (en) * 2004-09-02 2009-09-02 古河機械金属株式会社 Drilling device rod changer
CN204419081U (en) * 2015-01-27 2015-06-24 南通金牛机械制造有限公司 A kind of drill pipe tong need not changing jaw

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