CN201189605Y

CN201189605Y - Apparatus for detaching drilling rod thread

Info

Publication number: CN201189605Y
Application number: CNU2008201129081U
Authority: CN
Inventors: 郭壮; 吴世久
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-05-14
Filing date: 2008-05-14
Publication date: 2009-02-04
Anticipated expiration: 2018-05-14

Abstract

The utility model relates to a device for disassembling a screw thread of a drill pipe. An upper arm and a lower arm of a pair of clamping tongs are hinged through a round pin shaft, the inner sides of the upper arm and the lower arm are respectively provided with a semi-arc-shaped clamping plate which has the same inner diameter and width and shares one central axis, and a rotary hydraulic jack is arranged at a round roller at the right end of an upper arm; a bayonet of a straight bayonet wrench or a side bayonet wrench is inserted into a groove of the drill pipe, the upper end of the straight bayonet wrench or the side bayonet wrench is provided with a square hole, the square hole is in matching and positioning connection with a square hole at the left end of a rotating arm through a square shaft, and the right end of the rotating arm presses on the top of the rotary hydraulic jack; a clamping frame is a hollow rectangular member, a lower round beam of the clamping frame is embedded into a hollow sleeve at the lower part of the left end of a lower arm, a clamping hydraulic jack is arranged at the upper end of the left end of the upper arm, and the top of the clamping hydraulic jack is pressed against an upper beam round plate of the clamping frame. The device is quick, simple, convenient, labor-saving and time-saving in disassembling the screw thread of the drill pipe, has no knocking vibration to the drill pipe when the screw thread of the drill pipe is disassembled, and does not damage valuable and precision devices such as a transmitting rod which is arranged in the drill pipe and is used for orientation and so on.

Description

The device of dismounting drilling rod screw thread

Technical field

The utility model relates to a kind of instrument of back-outing the drilling rod screw thread, particularly a kind of device of dismounting drilling rod screw thread.

Background technology

The termination of two joint hollow drills tightens connection by tapered thread, at present, back-outs the drilling rod screw thread, and the split dismounting drilling rod generally all adopts pipe vice, time-consuming, effort; And often run into some drilling rod threads and get rusty and kill, even adopt afterburning pipe vice or sledgehammer, still be difficult to dismounting, especially can give those and drilling rod is tightly killed and be afraid of that again the drilling tool that shakes brings very big damage.

Summary of the invention

The technical problems to be solved in the utility model provides a kind of device of quick, easy, laborsaving, timesaving dismounting drilling rod screw thread

For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of device of dismounting drilling rod screw thread, the upper arm of clamping clip and underarm are hinged by the round pin axle, the inboard of upper arm and underarm respectively is provided with an internal diameter and width is identical, the semi arch clamping plate of also total same central shaft, when upper arm and underarm closed up, these two semi arch clamping plates were formed the full circle of an encirclement drilling rod; The left end bottom welded hollow sleeve of underarm at the right-hand member top of upper arm welding round bar, reverses hydraulic jack and is placed on the round bar; The bayonet socket of straight bayonet socket spanner or side bayonet socket spanner inserts the groove of drilling rod, and straight bayonet socket spanner or side bayonet socket spanner upper end are provided with square hole, and square hole cooperates with the square hole of turning arm left end by square shaft and is located by connecting, and the right-hand member of turning arm is pressed in the top of reversing hydraulic jack; Clamping frames is the hollow rectangular member, the following circular beam of clamping frames insert cannulated sleeve and with cannulated sleeve movingly, the clamping hydraulic jack is placed in the left end top of upper arm, and the upper beam of clamping frames and the annulus that inserts and put the beams in place and be connected as a single entity are withstood in the top of clamping hydraulic jack.The inner cylinder face of described two semi arch clamping plates that close up is provided with uniform dovetail groove, and the bottom tight fit of the clamping cushion block of trapezoidal cross-section is installed in the dovetail groove.

The beneficial effects of the utility model are:

1, the dismounting drilling rod screw thread quick, easy, save the labour, reduce labor intensity, increase work efficiency.

2, during the dismounting drilling rod screw thread, drilling rod is not knocked vibrations, can not damage being installed in and be used for directed valuable, accurate devices such as emission rod in the drilling rod.

Description of drawings

Fig. 1 is the structural representation with the dismounting drilling rod screw thread device of straight bayonet socket spanner.

Fig. 2 is the structural representation of the dismounting drilling rod screw thread device of band side bayonet socket spanner.

Fig. 3 is the structural representation of clamping clip.

Fig. 4 is the structural representation of clamping frames.

Fig. 5 is the structural representation of straight bayonet socket spanner.

Fig. 6 is the structural representation of side bayonet socket spanner.

Fig. 7 is the structural representation of two semi arch clamping plates that close up.

Fig. 8 is the structural representation of turning arm.

Fig. 9 is Fig. 8 vertical view.

Figure 10 is the schematic diagram of drilling rod.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further specified.

Embodiment 1 is shown in Fig. 1-10: a kind of device of dismounting drilling rod screw thread, the upper arm 15 of clamping clip 6 is hinged by round pin axle 5 with underarm 16, and the inboard of upper arm 15 and underarm 16 respectively is provided with an internal diameter and width is identical, the semi arch clamping plate 7 of also total same central shaft; When upper arm 15 and underarm 16 close up, these two semi arch clamping plates 7 are formed the full circle of an encirclement drilling rod 10, the inner cylinder face of two semi arch clamping plates 7 that close up is provided with uniform dovetail groove, and the bottom tight fit of the clamping cushion block 17 of trapezoidal cross-section is installed in the dovetail groove.The left end bottom welded hollow sleeve 9 of underarm 16 at the right-hand member top of upper arm 15 welding round bar 4, reverses hydraulic jack 2 and is placed on two round bars 4.The bayonet socket of straight bayonet socket spanner 3 inserts the groove 21 of drilling rod 10, and straight bayonet socket spanner 3 upper ends are provided with square hole 20, and square hole 20 cooperates with the square hole of turning arm 1 left end by square shaft 13 and is located by connecting, and the right-hand member of turning arm 1 is pressed in the top of reversing hydraulic jack 2.Clamping frames 12 is the hollow rectangular member, the following circular beam 8 of clamping frames 12 insert cannulated sleeves 9 and with cannulated sleeve 9 movingly, clamping hydraulic jack 11 is placed in the left end top of upper arm 15, and the top of clamping hydraulic jack 11 is withstood the upper beam 18 of clamping frames 12 and inserted and is welded in the annulus 19 of putting the beams in place below 18.

Embodiment 2: can use the straight bayonet socket spanner 3 in side bayonet socket spanner 14 alternate embodiments 1.

When dismounting tightens the drilling rod 10 of connection by tapered thread, in the annulus that the face of cylinder of a drilling rod 10 is placed in the clamping clip 6, is made up of the clamping cushion block 17 of two semi arch clamping plates 7, the bayonet socket of straight bayonet socket spanner 3 or side bayonet socket spanner 14 is inserted the groove 21 of another root drilling rod 10.Increase oil pressure and rise clamping hydraulic jack 11, the face of cylinder of tightly clamping first drilling rod by clamping frames 12 and clamping clip 6; Increase the oil pressure rise and reverse hydraulic jack 2, lift the right-hand member of turning arm 1, rotate counterclockwise the straight bayonet socket spanner 3 of the groove 21 that inserts second drilling rod or the drilling rod of 14, two tapered threads connections of side bayonet socket spanner and immediately unscrew separately.The bottom of reversing hydraulic jack 2 is placed on the round bar 4, can be with turning arm 1 and straight

bayonet socket spanner

3 or 14 swings of side bayonet socket spanner.

Claims

1. the device of a dismounting drilling rod screw thread, it is characterized in that: the upper arm (15) of clamping clip (6) is hinged by round pin axle (5) with underarm (16), the inboard of upper arm (15) and underarm (16) respectively is provided with an internal diameter and width is identical, the semi arch clamping plate (7) of also total same central shaft, upper arm (15) and underarm (16) are when closing up, and these two semi arch clamping plates (7) are formed the full circle of an encirclement drilling rod (10); The left end bottom welded hollow sleeve (9) of underarm (16) at the right-hand member top of upper arm (15) welding round bar (4), reverses hydraulic jack (2) and is placed on the round bar (4); The bayonet socket of straight bayonet socket spanner (3) or side bayonet socket spanner (14) inserts the groove (21) of drilling rod (10), straight bayonet socket spanner (3) or side bayonet socket spanner (14) upper end are provided with square hole (20), square hole (20) cooperates with the square hole of turning arm (1) left end by square shaft (13) and is located by connecting, and the right-hand member of turning arm (1) is pressed in the top of reversing hydraulic jack (2); Clamping frames (12) is the hollow rectangular member, the following circular beam (8) of clamping frames (12) insert cannulated sleeve (9) and with cannulated sleeve (9) movingly, clamping hydraulic jack (11) is placed in the left end top of upper arm (15), and the top of clamping hydraulic jack (11) is withstood the upper beam (18) of clamping frames (12) and inserted the annulus (19) that is connected as a single entity with put the beams in place (18).

2, the device of dismounting drilling rod screw thread according to claim 1, it is characterized in that: the inner cylinder face of described two semi arch clamping plates (7) that close up is provided with uniform dovetail groove, and the bottom tight fit of the clamping cushion block (17) of trapezoidal cross-section is installed in the dovetail groove.