CN204591118U - Positive left-hand screw drill pipe unit head can be connect - Google Patents

Positive left-hand screw drill pipe unit head can be connect Download PDF

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Publication number
CN204591118U
CN204591118U CN201520290313.5U CN201520290313U CN204591118U CN 204591118 U CN204591118 U CN 204591118U CN 201520290313 U CN201520290313 U CN 201520290313U CN 204591118 U CN204591118 U CN 204591118U
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CN
China
Prior art keywords
hollow spindle
casing
drill pipe
hand screw
rings seat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201520290313.5U
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Chinese (zh)
Inventor
刘金花
郭晓东
陈瑛
康杰
钟敬波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TONGHUA PETROCHEMICAL MACHINERY MANUFACTURING Co Ltd
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TONGHUA PETROCHEMICAL MACHINERY MANUFACTURING Co Ltd
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Priority to CN201520290313.5U priority Critical patent/CN204591118U/en
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Publication of CN204591118U publication Critical patent/CN204591118U/en
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Abstract

The utility model relates to the large and small workover treatment equipment of oil well, can connect positive left-hand screw drill pipe unit head.It comprises power box, casing there is water supply connector, in casing, center is through hollow spindle, in casing, there is hydraulic motor hollow spindle both sides, hollow spindle upper end is connected with water supply connector, hollow spindle lower end is connected with drilling rod by crossover sub, has additional extension hoisting ring device, conveniently hang hoisting tool on the hollow spindle of casing outer lower end; Hang hoisting ring device to comprise and turn round with hollow spindle the rings seat be connected, rings seat has two safety collars, safety collar one end and rings seat are located by connecting by bearing pin, and the safety collar other end is connected by lock clasp with rings seat.

Description

Positive left-hand screw drill pipe unit head can be connect
Technical field
The utility model relates to the large and small workover treatment equipment of oil well, can connect positive left-hand screw drill pipe unit head.
Background technology
In the prior art, workover rig heavy repair task needs rotary drill rod, and traditional work mode adopts machinery or hydraulic swivel head to realize spinfunction, and driven by rotary disc kelly bar rotates, and lower stacks creeps into, and kelly bar top is held by water tap is outstanding.During each stacks, all will first unload kelly bar and water tap, be put in rat hole, connect water tap and kelly bar again after connecting drilling rod, could continue operation, operation is loaded down with trivial details, inefficiency.Power swivel comprises the compositions such as drop handle, gooseneck, packing unit, casing, central tube, joint.Power swivel is suspended on workover rig derrick hook, provides drilling system.Shortcoming is that power swivel does not hang hoisting ring device, inconvenient hoisting tool.For the tool joint (positive left-hand thread) of different rotary button, need outfit two power swivels, waste and use inconvenience.Drilling rod is abutted against inconvenient.
Utility model content
The purpose of this utility model provides a kind of by improving existing structure, and provide multiple functional, easy to use, what operating efficiency was high connects positive left-hand screw drill pipe unit head.
Technical solution of the present utility model is: one can connect positive left-hand screw drill pipe unit head, comprise power box, casing there is water supply connector, in casing, center is through hollow spindle, in casing, there is hydraulic motor hollow spindle both sides, hollow spindle upper end is connected with water supply connector, and hollow spindle lower end is connected with drilling rod by crossover sub, and the hollow spindle that it is characterized in that casing outer lower end has additional extension hoisting ring device; Hang hoisting ring device to comprise and turn round with hollow spindle the rings seat be connected, rings seat has two safety collars, safety collar one end and rings seat are located by connecting by bearing pin, and the safety collar other end is connected by lock clasp with rings seat.
Hollow spindle lower end is connected to right-hand drill pipe joint and left-hand screw drill pipe joint, and tool joint is fixed by nut and hollow spindle.
Bell mouth shape position shroud is socketed with outside tool joint.
Positive left-hand screw drill pipe unit head can be connect be installed on derrick inner space and hanged the top drive drilling system held by hook block, from the direct rotary drill column in top, derrick space, can rotary drilling be completed.
The utility model has the advantages that: 1, on power swivel, add extension hoisting ring device, conveniently hang hoisting tool.2, be equipped with positive left-hand thread tool joint, save a power swivel, change simple, reduce equipment cost, onsite application is convenient, improves operating efficiency.3, add bell mouth shape position shroud, drilling rod is installed and is abutted against conveniently, improves operating efficiency.
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the utility model structure diagram.
Fig. 2 is Fig. 1 left view structure diagram.
Detailed description of the invention
See Fig. 1,2, component title is as follows: casing 1, water supply connector 2, hollow spindle 3, hydraulic motor 4, rings seat 5, safety collar 6, bearing pin 7, locking bearing pin 8, tool joint 9, nut 10, bell mouth shape position shroud 11, spacer pin 12.
See Fig. 1,2, positive left-hand screw drill pipe unit head can be connect, comprise power box 1, casing 1 there is water supply connector 2, in casing 1, center is through hollow spindle 3, in casing 1, there is hydraulic motor 4 hollow spindle 3 both sides, and hollow spindle 3 upper end is connected with water supply connector 2, and hollow spindle 3 lower end is connected with drilling rod by crossover sub.The hollow spindle 3 of casing 1 outer lower end has additional extension hoisting ring device; Hang hoisting ring device and comprise the rings seat 5 turning round with hollow spindle and be connected, rings seat 5 there is each safety collar 6 around, safety collar 6 lower end and rings seat 5 are located by connecting by bearing pin 7, and safety collar 6 upper end and rings seat 5 are locked be connected by being locked bearing pin 8, and safety collar 6 realizes folding around bearing pin 7.
Hollow spindle 3 lower end jointed rod joint 9, tool joint 9 is respectively right-hand drill pipe joint and left-hand screw drill pipe joint, is equipped with positive left-hand thread two kinds of joints, can realizes drilling rod and rotate and reverse requirement.Tool joint 9 is fixed by nut 10 and hollow spindle 3.Bell mouth shape position shroud 11 is socketed with outside tool joint 9.Hanging hoisting ring device can 360 degree of rotation, and side limited location pin 12, realizes locating rotation.
Operating principle: hydraulic motor 4 drives hollow spindle 3 to rotate by gear drive, drilling rod is connected to hollow spindle 3 lower end by conversion tool joint 9.Can realize rotating and reverse.Hollow spindle 3 is hollow-core constructions, and its top is connected with gooseneck through washing pipe, and inside can flow through mud to cool cold drill bit and to return out drilling cuttings.

Claims (3)

1. one kind can connect positive left-hand screw drill pipe unit head, comprise power box (1), casing (1) there is water supply connector (2), casing (1) interior center is through hollow spindle (3), there is hydraulic motor (4) casing (1) interior hollow spindle (3) both sides, hollow spindle (3) upper end is connected with water supply connector (2), hollow spindle (3) lower end is connected with drilling rod by crossover sub, and the hollow spindle (3) that it is characterized in that casing (1) outer lower end has additional extension hoisting ring device; Hang hoisting ring device and comprise the rings seat (5) turning round with hollow spindle and be connected, rings seat (5) there are two safety collars (6), safety collar (6) one end and rings seat (5) are located by connecting by bearing pin (7), and safety collar (6) other end and rings seat (5) are locked be connected by being locked bearing pin (8).
2. connect positive left-hand screw drill pipe unit head according to according to claim 1, it is characterized in that hollow spindle (3) lower end jointed rod joint (9), tool joint (9) is respectively right-hand drill pipe joint and left-hand screw drill pipe joint, and tool joint (9) is fixed by nut (10) and hollow spindle (3).
3., according to connecing positive left-hand screw drill pipe unit head described in claim 1 or 2, it is characterized in that being socketed with bell mouth shape position shroud (11) outside tool joint (9).
CN201520290313.5U 2015-05-07 2015-05-07 Positive left-hand screw drill pipe unit head can be connect Active CN204591118U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520290313.5U CN204591118U (en) 2015-05-07 2015-05-07 Positive left-hand screw drill pipe unit head can be connect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520290313.5U CN204591118U (en) 2015-05-07 2015-05-07 Positive left-hand screw drill pipe unit head can be connect

Publications (1)

Publication Number Publication Date
CN204591118U true CN204591118U (en) 2015-08-26

Family

ID=53927283

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520290313.5U Active CN204591118U (en) 2015-05-07 2015-05-07 Positive left-hand screw drill pipe unit head can be connect

Country Status (1)

Country Link
CN (1) CN204591118U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106089021A (en) * 2016-07-18 2016-11-09 衡阳中地装备探矿工程机械有限公司 A kind of basket type top drive drilling unit head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106089021A (en) * 2016-07-18 2016-11-09 衡阳中地装备探矿工程机械有限公司 A kind of basket type top drive drilling unit head

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