CN203066907U - Iron roughneck - Google Patents

Iron roughneck Download PDF

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Publication number
CN203066907U
CN203066907U CN 201320085680 CN201320085680U CN203066907U CN 203066907 U CN203066907 U CN 203066907U CN 201320085680 CN201320085680 CN 201320085680 CN 201320085680 U CN201320085680 U CN 201320085680U CN 203066907 U CN203066907 U CN 203066907U
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CN
China
Prior art keywords
support
tong
spinner
cylinder
oil cylinder
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Withdrawn - After Issue
Application number
CN 201320085680
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Chinese (zh)
Inventor
孙友宏
吕兰
沙永柏
廖玉华
王清岩
梁建明
朴冲
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Jilin University
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Jilin University
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Priority to CN 201320085680 priority Critical patent/CN203066907U/en
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Publication of CN203066907U publication Critical patent/CN203066907U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an iron roughneck. The iron roughneck consists of a slewing and translating extension mechanism and a tongs body assembly, wherein the tongs body assembly consists of a support, back-up tongs, main tongs and spinning tongs; the slewing and translating extension mechanism consists of a base, a slewing device, a translating device and a support arm assembly; one end of the support arm assembly is connected to the support, and the other end is connected with a translating device; the translating device is connected to the base through the slewing device; the main tongs, the back-up tongs and the spinning tongs are connected to the support; the main tongs are positioned above and hinged with the back-up tongs; and the spinning tongs are mounted above both the main tongs and the back-up tongs. The iron roughneck realizes automatic operation of the whole connection and dismantle processes of a drilling tool, thereby improving the automation level of well drilling and repairing, as well as the working efficiency and security.

Description

A kind of iron driller
Technical field
The utility model relates to a kind of drilling well and is connected or provision for disengagement with the drilling tool that well workover is used, particularly a kind of iron driller.
Background technology
At present, in oil drilling and workover treatment, drilling tool in the process that makes a trip connect and dismantlement work be basically by manually by some mechanized device, as liquid gas tong, cat head, pneumatic spinner pincers wait to finish.These mechanized equipments still need manually to operate at the well head place, and labour intensity is very big, and operating personnel's safety can not be ensured effectively that cost of labor also increases thereupon.With regard to the said equipment itself, the speed of drilling tool connection and dismounting is slow, directly has influence on brill, well workover efficient; Simultaneously, the drilling tool scope that these equipment adapt to is narrower, and need change pressing plate and equipment repeatedly in operation process, makes drilling tool connection, dismounting and maintenance more inconvenient.
Summary of the invention
The purpose of this utility model provides a kind of iron driller, this iron driller is simple in structure, easy to operate, maintenance and change component easily, stable action, to be fit to the drilling tool scope big.
The utility model is made up of revolution and translation extension means and caliper assembly, the caliper assembly is made up of support, back-up tong, main pincers and spinner pincers, and revolution and translation extension means are by base, slewing equipment, supporting mechanism, translating device, by stretching the parallel four-bar linkage that pull bar constitutes and stretching the driving oil cylinder and form; Translating device is made up of translation guide rail, translation coaster body and driven in translation oil cylinder;
Be hinged on the support and the other end and translating device are articulated and connected by an end that stretches the parallel four-bar linkage that pull bar constitutes, translating device is connected on the base by slewing equipment; Main pincers, back-up tong and spinner clipper joint are on support, and main clamper is in the top of back-up tong, and hinged with back-up tong, and the spinner pincers are installed in the top of main pincers and back-up tong;
Described slewing equipment has the worm-and-wheel gear that is driven by rotary motor, when driving worm screw, rotary motor drives the worm gear rotation, and then driving supporting mechanism and upper unit revolution thereof, fuselage can rotate in 360 ° of scopes, and can realize self-locking at an arbitrary position; Slewing equipment is installed on the base, and the rotating part of supporting mechanism and slewing equipment is fixed, and horizontal guide rail and supporting mechanism connect firmly; Driven in translation oil cylinder one end is connected on the bearing of translation guide rail, and the other end and translation coaster body are hinged, and the stretching motion of driven in translation oil cylinder can drive translation coaster body and move back and forth along the translation guide rail; Stretch the pull bar end and be hinged with translation coaster body, it is hinged to stretch pull bar front end and caliper assembly, constitutes parallel four-bar linkage, has guaranteed that the caliper assembly is in vertical position all the time; It is hinged to stretch the cylinder body and the translation coaster body that drive oil cylinder, and stretching, extension drives the piston rod of oil cylinder and stretch pull bar hinged, is used for driving and stretches pull bar;
Be provided with the vertical pin of symmetrical distribution between the rack plate of described support and the support seat board, main pincers support and back-up tong support have cannelure and circular hole in the position of correspondence, and vertical pin will lead pincers by cannelure and circular hole and back-up tong couples together; Main pincers and back-up tong can move up and down along vertical pin, and main pincers can rotate along the arc groove with respect to back-up tong; Between main pincers and back-up tong, be provided with disk spring, realize main pincers float function; Both sides at main pincers and back-up tong are provided with lifting gear, this lifting gear is to be made of hoist cylinder and lift cylinders ear seat, the cylinder barrel of hoist cylinder is connected with bolt with support, the piston rod of hoist cylinder is connected with bearing pin with back-up tong, and the stretching motion of hoist cylinder can make main pincers and back-up tong move up and down along vertical pin.All be furnished with at main pincers and back-up tong and be 120 ° of three groups of uniform clamping clips, driven by clamping cylinder; The clamping cylinder of end flange structure be welded on main pincers support and be connected with bolt with clamping casing on the back-up tong support; The tailpiece of the piston rod of clamping cylinder is fixedlyed connected with the clamp bearing, and dental lamina is embedded on the clamp by bolt, and clamp are connected with bolt by bearing pin with the clamp bearing; Clamping cylinder is realized guiding by clamp bearing and clamp; Both sides at main pincers and back-up tong are provided with the shackle oil cylinder, and the shackle oil cylinder is connected by the oil cylinder gudgeon with the back-up tong support, and the piston rod of shackle oil cylinder is hinged with main pincers, and the upper surface of back-up tong is provided with the wear-resisting axle collar, and the axle collar is fixedlyed connected with back-up tong by bolt.
Described spinner pincers are made up of spinner column, crossbeam slide plate, spinner support, cross cylinder, wedge, clamping swing arm, hydraulic motor, driving rolls, limited roller, tangent line roller, back-moving spring, front and back adjusting device and the device that fluctuates, and wedge is the triangular form wedge; The spinner column by vertical lead key relatively support move up and down, spinner column upper end and the welding of crossbeam slide plate, the spinner support can move forward and backward along the crossbeam slide plate; Cross cylinder is fixed on the spinner support, and the piston rod of cross cylinder is connected by bearing pin with wedge; Hinge is connected by bearing pin with the spinner support in the middle of clamping swing arm, and clamping swing arm can be around middle hinge revolution; Clamp the swing arm rear end tangent line roller is installed, rely on the effect of spring force, the tangent line roller contacts with the wedge side all the time; Clamp the swing arm front end driving rolls is installed, by fluid motor-driven; The stretching motion of cross cylinder drives wedge and moves forward and backward, and when wedge stretches out, makes the clamping movable arm swinging, realizes clamping drilling rod; After the spinner operation is finished, the wedge withdrawal, the back-moving spring that is positioned at the device top resets the clamping swing arm, clamps swing arm and unclamps drilling rod.
The top of described spinner support is provided with back-moving spring, adjusting device before and after spinner support below is provided with; Return spring holder is welded on the bearing pin upper surface that connects the tangent line roller, is symmetrically distributed; Back-moving spring is connected with two return spring holders; The front and back adjusting device of spinner pincers is by adjusting screw rod, limit spring seat, short pass power sleeve, spacing seat board, spacing dish spring, long pass power sleeve and nut constitute, the limit spring seat is welded on the base plate of spinner support, spacing seat board is welded on the spinner column, adjust screw rod and pass limit spring seat and spacing seat board, wherein spacing dish spring, short pass power sleeve and long pass power sleeve are adjusted former and later two nuts the spinner support is moved forward and backward between limit spring seat and spacing seat board; The device that fluctuates of spinner pincers is installed in spinner support back, the device that fluctuates is to be made of unsteady oil cylinder and unsteady oil cylinder ear seat, one end of unsteady oil cylinder is connected by bearing pin with support, and the other end of the oil cylinder that floats is connected with the unsteady oil cylinder ear seat that is welded on the spinner column.
Duty of the present utility model is divided into button and two kinds of operating modes of shackle, is opposite process, introduces the course of work that goes up button below:
After installing base, drive slewing equipment according to the drilling rod position by rotary motor and adjust the iron driller caliper to rational position, stretch and drive hydraulic oil cylinder driving stretching, extension pull bar adjustment iron driller caliper in vertical direction and horizontal direction displacement, guaranteeing caliper in the tram and to align drilling rod, then by driven in translation hydraulic oil cylinder driving translation mechanism and then make caliper reposefully near drilling rod.After the caliper assembly is aimed at drilling rod, according to the tool joint present position, drive main pincers and back-up tong along the vertical pin lifting by hoist cylinder, make caliper aim at tool joint.After aiming at drilling rod, the clamping cylinder of back-up tong drives the clamping that the clamping caliper of being made up of clamp bearing, clamp and dental lamina is realized bottom tool joint place.After clamping the lower end drilling rod, cross cylinder drives wedge and travels forward, the tangent line roller rotates along two sides of wedge, makes the clamping movable arm swinging, after driving rolls and limited roller clamp drilling rod, the rotation of fluid motor-driven driving rolls, jointed rod fast, after the spinner action was finished, the cross cylinder piston rod was regained, under the effect of back-moving spring, clamp swing arm and unclamp drilling rod.But because the spinner moment of torsion is less, and need torque wrench moment bigger, then apply active force by the shackle oil cylinder, reach the moment of torsion of appointment.After shackle oil cylinder expanding-contracting action made the relative back-up tong of main pincers rotate to certain angle, the clamping cylinder of main pincers drove the clamping caliper of being made up of clamp bearing, clamp and dental lamina and realizes the clamping of top rod joint.At this moment, main pincers and back-up tong all clamp drilling rod, and the expanding-contracting action of shackle oil cylinder turns an angle the relative back-up tong of main pincers, reach specify moment of torsion after, the clamping cylinder of main pincers and back-up tong all unclamps drilling rod, the master clamps and resets, and finishes and pulls work.
The described shackle course of work is carried out with reference to above-mentioned steps.
The beneficial effects of the utility model are:
1, the utility model realizes that drilling tool connects and the overall process operation of dismounting, has improved the automaticity of brill, well workover, and iron driller makes operating personnel leave dangerous well head in practical work process, has greatly improved safety of operators.
2, three of the utility model iron driller actions: revolution, translation, stretching, extension are independent substantially, and each self contained function operates steadily, and be little to the drilling rod damage; Increase the effective radius of iron driller operation, improved the utilization rate of iron driller; Under off working state, increased the space utilization rate of offshore boring island, in addition, be conducive to safeguard.
3, caliper of the present utility model partly includes main pincers, back-up tong and spinner pincers.Main pincers and back-up tong adopt three clamping cylinders of symmetrical distribution to clamp drilling tool respectively; Spinner pincers also adopt three symmetrical roller devices, and use leg-of-mutton wedge mechanism and transmit clamping force and clamp drilling tool, thereby make drilling tool stressed evenly, and reliable operation reaches the purpose of better protection drilling tool.
4, the utility model is provided with the shackle oil cylinder in the both sides of main pincers and back-up tong, finishes the shackle action.It is stressed evenly that two cylinder types unload buckle device, and maximum upward button is identical with the shackle torque.
5, break-out speed is fast on the utility model, has greatly improved the efficient of brill, well workover.
Description of drawings
Fig. 1 is schematic perspective view of the present utility model.
Fig. 2 is front view of the present utility model.
Fig. 3 is vertical view of the present utility model.
Fig. 4 is the front view of the main back-up tong of the utility model.
Fig. 5 is the left view of the main back-up tong of the utility model.
Fig. 6 is the main back-up tong vertical view of the utility model.
Fig. 7 is the partial enlarged drawing at A place among Fig. 6.
Fig. 8 is the front view of the spinner pincers of the utility model.
Fig. 9 is the sectional view of Fig. 8.
Figure 10 is the vertical view of the spinner pincers of the utility model.
Wherein: 1-revolution and translation extension means; 2-caliper assembly; 3-base; 4-slewing equipment; 5-bracing or strutting arrangement; 6-translation guide rail; 7-translation coaster; 8-stretching, extension pull bar; 9-spinner pincers; 10-support; 11-main pincers; 12-back-up tong; 13-driven in translation oil cylinder; 14-stretching, extension drives oil cylinder; 15-hoist cylinder; 16-vertical pin; 17-shackle oil cylinder; 18-back-up tong support; 19-unload the clasp forceps copper backing; 20-clamping casing; 21-main pincers support; 22-axle collar; 23-disk spring; 24-connection ear base; 25-clamping cylinder; 26-clamp bearing; 27-clamp; 28-dental lamina; 29-lift cylinders ear seat; 30-vertically lead keys; 31-oil cylinder floats; 32-oil cylinder ear seat floats; 33-spinner column; 34-cross cylinder; 35-spinner support; 36-wedge guide block; 37-wedge; 38-tangent line roller; 39-clamping swing arm; 40-driving rolls; 41-hydraulic motor; 42-front and back adjusting device; 43-connection ear base; 44-bearing pin; 45-limited roller; 46-adjustment screw rod; 47-limit spring seat; 48-short pass power sleeve; 49-spacing seat board; 50-spacing dish spring; 51-long pass power sleeve; 52-nut; 53-back-moving spring; 54-return spring holder; 55-crossbeam slide plate.
The specific embodiment
See also Fig. 1, Fig. 2 and shown in Figure 3, present embodiment is made up of revolution and translation extension means 1 and caliper assembly 2, caliper assembly 2 is made up of support 10, back-up tong 12, main pincers 11 and spinner pincers 9, and revolution and translation extension means 1 are by base 3, slewing equipment 4, supporting mechanism 5, translating device, by stretching the parallel four-bar linkage that pull bar 8 constitutes and stretching driving oil cylinder 14 and form; Translating device is made up of translation guide rail 6, translation coaster body 7 and driven in translation oil cylinder 13,
Be hinged on the support 10 and the other end and translating device are articulated and connected by an end that stretches the parallel four-bar linkage that pull bar 8 constitutes, translating device is connected on the base 3 by slewing equipment 4; Main pincers 11, back-up tong 12 and spinner pincers 9 are connected on the support 10, and main pincers 11 are positioned at the top of back-up tong 12, and hinged with back-up tong 12, and spinner pincers 9 are installed in the top of main pincers 11 and back-up tong 12;
Described slewing equipment 4 has the worm-and-wheel gear that is driven by rotary motor, when driving worm screw, rotary motor drives the worm gear rotation, and then driving supporting mechanism 5 and upper unit revolution thereof, fuselage can rotate in 360 ° of scopes, and can realize self-locking at an arbitrary position; Slewing equipment 4 is installed on the base 3, and supporting mechanism 5 is fixed with the rotating part of slewing equipment 4, and horizontal guide rail 6 connects firmly with supporting mechanism 5; Driven in translation oil cylinder 13 1 ends are connected on the bearing of translation guide rail 6, and the other end and translation coaster body 7 are hinged, and the stretching motion of driven in translation oil cylinder 13 can drive translation coaster body 7 and move back and forth along translation guide rail 6; Stretch pull bar 8 ends and be hinged with translation coaster body 7, it is hinged to stretch pull bar 8 front ends and caliper assembly 2, constitutes parallel four-bar linkage, has guaranteed that caliper assembly 2 is in vertical position all the time; It is hinged to stretch the cylinder body and the translation coaster body 7 that drive oil cylinder 14, and stretching, extension drives the piston rod of oil cylinder 14 and stretch pull bar 8 hinged, is used for driving and stretches pull bar 8;
See also Fig. 4 to shown in Figure 7, be provided with the vertical pin 16 of symmetrical distribution between the rack plate of described support 10 and the support seat board, main pincers support 21 and back-up tong support 18 have cannelure and circular hole in the position of correspondence, and vertical pin 16 will lead pincers 11 by cannelure and circular hole and back-up tong 12 couples together; Main pincers 11 and back-up tong 12 can move up and down along vertical pin 16, and main pincers 11 can rotate along the arc groove with respect to back-up tong 12; Between main pincers 11 and back-up tong 12, be provided with disk spring 23, realize main pincers float function; Both sides at main pincers 11 and back-up tong 12 are provided with lifting gear, this lifting gear is to be made of hoist cylinder 15 and lift cylinders ear seat 29, the cylinder barrel of hoist cylinder 15 is connected with support 10 usefulness bolts, the piston rod of hoist cylinder 15 is connected with back-up tong 12 usefulness bearing pins, and the stretching motion of hoist cylinder 15 can make main pincers 11 and back-up tong 12 move up and down along vertical pin 16.All be furnished with at main pincers 11 and back-up tong 12 and be 120 ° of three groups of uniform clamping clips, driven by clamping cylinder 25; The clamping cylinder 25 of end flange structure be welded on main pincers support 21 and be connected with clamping casing 20 usefulness bolts on the back-up tong support 18; The tailpiece of the piston rod of clamping cylinder 25 is fixedlyed connected with clamp bearing 26, and dental lamina 28 is embedded on the clamp 27 by bolt, and clamp 27 are connected with bolt by bearing pin with clamp bearing 26; Clamping cylinder 25 is realized guiding by clamp bearing 26 and clamp 27; Both sides at main pincers 11 and back-up tong 12 are provided with shackle oil cylinder 17, shackle oil cylinder 17 is connected by the oil cylinder gudgeon with back-up tong support 18, the piston rod of shackle oil cylinder 17 is hinged with master's pincers 11, and the upper surface of back-up tong 12 is provided with the wear-resisting axle collar 22, and the axle collar 22 is fixedlyed connected with back-up tong 12 by bolt.
See also Fig. 8, Fig. 9 and shown in Figure 10, described spinner pincers 9 are made up of spinner column 33, crossbeam slide plate 55, spinner support 35, cross cylinder 34, wedge 37, clamping swing arm 39, hydraulic motor 41, driving rolls 40, limited roller 45, tangent line roller 38, back-moving spring 53, front and back adjusting device 42 and the device that fluctuates, and wedge 37 is the triangular form wedge; Spinner column 33 by vertical lead key 30 relatively support 10 move up and down, 55 welding of spinner column 33 upper ends and crossbeam slide plate, spinner support 35 can move forward and backward along crossbeam slide plate 55; Cross cylinder 34 is fixed on the spinner support 35, and the piston rod of cross cylinder 34 is connected by bearing pin 44 with wedge 37; Clamp in the middle of the swing arm 39 hinges and spinner support 35 and is connected by bearing pin, clamping swing arm 39 can turn round around middle hinge; Clamp swing arm 39 rear ends tangent line roller 38 is installed, rely on the effect of spring force, tangent line roller 38 contacts with wedge 37 sides all the time; Clamp swing arm 39 front ends driving rolls 40 is installed, driven by hydraulic motor 41; The stretching motion of cross cylinder 34 drives wedge 37 and moves forward and backward, and when wedge 37 stretches out, makes to clamp swing arm 39 swings, realizes clamping drilling rod; After the spinner operation is finished, wedge 37 withdrawals, the back-moving spring 53 that is positioned at the device top resets clamping swing arm 39, clamps swing arm 39 and unclamps drilling rod.
The top of described spinner support 35 is provided with back-moving spring 53, adjusting device 42 before and after spinner support 35 belows are provided with; Return spring holder 54 is welded on the bearing pin upper surface that connects tangent line roller 38, is symmetrically distributed; Back-moving spring 53 is connected with two return spring holders 54; The front and back adjusting device 42 of spinner pincers 9 is by adjusting screw rod 46, limit spring seat 47, short pass power sleeve 48, spacing seat board 49, spacing dish spring 50, long pass power sleeve 51 and nut 52 constitute, limit spring seat 47 is welded on the base plate of spinner support 35, spacing seat board 49 is welded on the spinner column 33, adjust screw rod 46 and pass limit spring seat 47 and spacing seat board 49, wherein spacing dish spring 50, short pass power sleeve 48 and long pass power sleeve 51 are adjusted former and later two nuts 52 spinner support 35 is moved forward and backward between limit spring seat 47 and spacing seat board 49; The device that fluctuates of spinner pincers 9 is installed in spinner support 35 back, the device that fluctuates is to be made of unsteady oil cylinder 31 and unsteady oil cylinder ear seat 32, an end and the support 10 of oil cylinder 31 of floating is connected by bearing pin, and the other end of unsteady oil cylinder 31 is connected with the unsteady oil cylinder ear seat 32 that is welded on spinner column 33.
Duty of the present utility model is divided into button and two kinds of operating modes of shackle, is opposite process, introduces the course of work that goes up button below:
After installing base 1, drive slewing equipment 4 according to the drilling rod position by rotary motor and adjust the iron driller caliper to rational position, stretch and drive oil cylinder 14 driving stretching, extension pull bars 8 adjustment iron driller calipers in vertical direction and horizontal direction displacement, to guarantee caliper in the tram and to align drilling rod, drive translation mechanism and then make caliper reposefully near drilling rod by driven in translation oil cylinder 13 then.
After caliper assembly 2 is aimed at drilling rods, according to the tool joint present position, drive main pincers 11 and back-up tong 12 along vertical pin 16 liftings by hoist cylinder 15, make caliper aim at tool joint.After aiming at drilling rod, the clamping cylinder 25 of back-up tong 12 drives the clamping that the clamping caliper of being made up of clamp bearing 26, clamp 27 and dental lamina 28 is realized bottom tool joint place.After clamping the lower end drilling rod, cross cylinder 34 drives wedge 37 and travels forward, tangent line roller 38 rotates along two sides of wedge 37, makes to clamp swing arm 39 swings, after driving rolls 40 and limited roller 45 clamp drilling rod, hydraulic motor 41 drives the driving rolls rotation, jointed rod fast, after the spinner action was finished, cross cylinder 34 piston rods were regained, under the effect of back-moving spring 53, clamp swing arm 39 and unclamp drilling rod.But because the spinner moment of torsion is less, and need torque wrench moment bigger, then apply active force by shackle oil cylinder 17, reach the moment of torsion of appointment.After shackle oil cylinder 17 expanding-contracting actions made main pincers 11 relative back-up tongs 12 rotate to certain angle, the clamping cylinder 25 of main pincers 11 drove the clamping caliper of being made up of clamp bearing 26, clamp 27 and dental lamina 28 and realizes the clamping of top rod joint.At this moment, main pincers 11 and back-up tong 12 all clamp drilling rod, and the expanding-contracting action of shackle oil cylinder 17 turns an angle main pincers 11 relative back-up tongs 12, reach specify moment of torsion after, the clamping cylinder of main pincers 11 and back-up tong 12 all unclamps drilling rod, the main pincers resets, and finishes and pulls work.The shackle course of work is carried out with reference to above-mentioned steps.

Claims (1)

1. iron driller, it is characterized in that: formed by revolution and translation extension means and caliper assembly, the caliper assembly is made up of support, back-up tong, main pincers and spinner pincers, and revolution and translation extension means are by base, slewing equipment, supporting mechanism, translating device, by stretching the parallel four-bar linkage that pull bar constitutes and stretching the driving oil cylinder and form; Translating device is made up of translation guide rail, translation coaster body and driven in translation oil cylinder; Be hinged on the support and the other end and translating device are articulated and connected by an end that stretches the parallel four-bar linkage that pull bar constitutes, translating device is connected on the base by slewing equipment; Main pincers, back-up tong and spinner clipper joint are on support, and main clamper is in the top of back-up tong, and hinged with back-up tong, and the spinner pincers are installed in the top of main pincers and back-up tong;
Described slewing equipment has the worm-and-wheel gear that is driven by rotary motor, when driving worm screw, rotary motor drives the worm gear rotation, and then driving supporting mechanism and upper unit revolution thereof, fuselage can rotate in 360 ° of scopes, and can realize self-locking at an arbitrary position; Slewing equipment is installed on the base, and the rotating part of supporting mechanism and slewing equipment is fixed, and horizontal guide rail and supporting mechanism connect firmly; Driven in translation oil cylinder one end is connected on the bearing of translation guide rail, and the other end and translation coaster body are hinged, and the stretching motion of driven in translation oil cylinder can drive translation coaster body and move back and forth along the translation guide rail; Stretch the pull bar end and be hinged with translation coaster body, it is hinged to stretch pull bar front end and caliper assembly, constitutes parallel four-bar linkage, has guaranteed that the caliper assembly is in vertical position all the time; It is hinged to stretch the cylinder body and the translation coaster body that drive oil cylinder, and stretching, extension drives the piston rod of oil cylinder and stretch pull bar hinged, is used for driving and stretches pull bar;
Be provided with the vertical pin of symmetrical distribution between the rack plate of described support and the support seat board, main pincers support and back-up tong support have cannelure and circular hole in the position of correspondence, and vertical pin will lead pincers by cannelure and circular hole and back-up tong couples together; Main pincers and back-up tong can move up and down along vertical pin, and main pincers can rotate along the arc groove with respect to back-up tong; Between main pincers and back-up tong, be provided with disk spring; Both sides at main pincers and back-up tong are provided with lifting gear, this lifting gear is to be made of hoist cylinder and lift cylinders ear seat, the cylinder barrel of hoist cylinder is connected with bolt with support, the piston rod of hoist cylinder is connected with bearing pin with back-up tong, and the stretching motion of hoist cylinder can make main pincers and back-up tong move up and down along vertical pin; All be furnished with at main pincers and back-up tong and be 120 ° of three groups of uniform clamping clips, driven by clamping cylinder; The clamping cylinder of end flange structure be welded on main pincers support and be connected with bolt with clamping casing on the back-up tong support; The tailpiece of the piston rod of clamping cylinder is fixedlyed connected with the clamp bearing, and dental lamina is embedded on the clamp by bolt, and clamp are connected with bolt by bearing pin with the clamp bearing; Clamping cylinder is realized guiding by clamp bearing and clamp; Both sides at main pincers and back-up tong are provided with the shackle oil cylinder, and the shackle oil cylinder is connected by the oil cylinder gudgeon with the back-up tong support, and the piston rod of shackle oil cylinder is hinged with main pincers, and the upper surface of back-up tong is provided with the wear-resisting axle collar, and the axle collar is fixedlyed connected with back-up tong by bolt;
Described spinner pincers are made up of spinner column, crossbeam slide plate, spinner support, cross cylinder, wedge, clamping swing arm, hydraulic motor, driving rolls, limited roller, tangent line roller, back-moving spring, front and back adjusting device and the device that fluctuates, and wedge is the triangular form wedge; The spinner column by vertical lead key relatively support move up and down, spinner column upper end and the welding of crossbeam slide plate, the spinner support can move forward and backward along the crossbeam slide plate; Cross cylinder is fixed on the spinner support, and the piston rod of cross cylinder is connected by bearing pin with wedge; Hinge is connected by bearing pin with the spinner support in the middle of clamping swing arm, and clamping swing arm can be around middle hinge revolution; Clamp the swing arm rear end tangent line roller is installed, rely on the effect of spring force, the tangent line roller contacts with the wedge side all the time; Clamp the swing arm front end driving rolls is installed, by fluid motor-driven; The stretching motion of cross cylinder drives wedge and moves forward and backward, and when wedge stretches out, makes the clamping movable arm swinging, realizes clamping drilling rod; After the spinner operation is finished, the wedge withdrawal, the back-moving spring that is positioned at the device top resets the clamping swing arm, clamps swing arm and unclamps drilling rod;
The top of described spinner support is provided with back-moving spring, adjusting device before and after spinner support below is provided with; Return spring holder is welded on the bearing pin upper surface that connects the tangent line roller, is symmetrically distributed; Back-moving spring is connected with two return spring holders; The front and back adjusting device of spinner pincers is by adjusting screw rod, limit spring seat, short pass power sleeve, spacing seat board, spacing dish spring, long pass power sleeve and nut constitute, the limit spring seat is welded on the base plate of spinner support, spacing seat board is welded on the spinner column, adjust screw rod and pass limit spring seat and spacing seat board, wherein spacing dish spring, short pass power sleeve and long pass power sleeve are adjusted former and later two nuts the spinner support is moved forward and backward between limit spring seat and spacing seat board; The device that fluctuates of spinner pincers is installed in spinner support back, the device that fluctuates is to be made of unsteady oil cylinder and unsteady oil cylinder ear seat, one end of unsteady oil cylinder is connected by bearing pin with support, and the other end of the oil cylinder that floats is connected with the unsteady oil cylinder ear seat that is welded on the spinner column.
CN 201320085680 2013-02-25 2013-02-25 Iron roughneck Withdrawn - After Issue CN203066907U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103132931A (en) * 2013-02-25 2013-06-05 吉林大学 Iron driller
CN104153726A (en) * 2014-09-03 2014-11-19 四川宏华石油设备有限公司 Novel iron roughneck supporting arm and iron roughneck comprising the same
CN104775763A (en) * 2014-01-13 2015-07-15 中国石油化工股份有限公司 Mechanization workover treatment device and method
CN112855057A (en) * 2021-01-16 2021-05-28 江苏苏盐阀门机械有限公司 Multi-seat quick-mounting wellhead device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103132931A (en) * 2013-02-25 2013-06-05 吉林大学 Iron driller
CN103132931B (en) * 2013-02-25 2015-12-09 吉林大学 A kind of iron driller
CN104775763A (en) * 2014-01-13 2015-07-15 中国石油化工股份有限公司 Mechanization workover treatment device and method
CN104153726A (en) * 2014-09-03 2014-11-19 四川宏华石油设备有限公司 Novel iron roughneck supporting arm and iron roughneck comprising the same
CN104153726B (en) * 2014-09-03 2016-04-13 四川宏华石油设备有限公司 A kind of Novel iron driller supporting arm and comprise the iron driller of this supporting arm
CN112855057A (en) * 2021-01-16 2021-05-28 江苏苏盐阀门机械有限公司 Multi-seat quick-mounting wellhead device
CN112855057B (en) * 2021-01-16 2021-09-28 江苏苏盐阀门机械有限公司 Multi-seat quick-mounting wellhead device

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