CN101824972B - Mechanism for connecting and disconnecting drill rod and casing - Google Patents

Mechanism for connecting and disconnecting drill rod and casing Download PDF

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Publication number
CN101824972B
CN101824972B CN 201010128224 CN201010128224A CN101824972B CN 101824972 B CN101824972 B CN 101824972B CN 201010128224 CN201010128224 CN 201010128224 CN 201010128224 A CN201010128224 A CN 201010128224A CN 101824972 B CN101824972 B CN 101824972B
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China
Prior art keywords
gear
tooth
pincers
arm
card
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CN 201010128224
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CN101824972A (en
Inventor
黄可唯
李斌
刘春全
李阳
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Gaoyou Yidu Small and Micro Enterprise Service Management Co.,Ltd.
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Chengdu Shiwei Technology Co Ltd
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Abstract

The invention discloses a mechanism for connecting and disconnecting a drill rod and a casing. The mechanism comprises a spinning wrench assembly (1), a telescopic arm (2) and a lifting device. The invention is characterized in that the spinning wrench assembly (1) is formed by a power wrench (4) and a fixed wrench (5), wherein the power wrench (4) and the fixed wrench (5) can rotate relatively; the lifting device comprises a base (7), a stand column (16) and a sliding seat (6), wherein the sliding seat (6) is movably sheathed on the stand column (16) and the base (7) and the stand column (16) can rotate relatively; and the telescopic end of the telescopic arm (2) is fixedly connected with the fixed wrench (5) and the other end of the telescopic arm (2) is rotatably connected with the sliding seat (6). Through adjusting the clamping position and the clamping direction of the spinning wrench, the invention has the advantages that the pipe connection process of a mouse hole and a well can be accurately and rapidly completed, the pipe connection efficiency is improved, and the labor strength and the danger to workers are reduced.

Description

The mechanism of a kind of connecting and disconnecting drill rod and sleeve pipe
Technical field
The invention belongs to the oil drilling apparatus field, relate to concretely the mechanism of a kind of connecting and disconnecting drill rod and sleeve pipe.
Background technology
Along with the national economic development, the demand of petroleum gas is increasing, and this just requires the exploration and development velocity efficiency to need to improve, in the drilling well drilling process, along with the degree of depth that pierces constantly increases, needing constantly increases new drilling pipe at existing drilling pipe, is commonly called as " adapter ".Most of operation is all by manually-operated in the adapter process, difficulty is large, labour intensity is high, dangerous large, normally need in mouse hole 3 one group of drilling pipe be connected first the drilling pipe that then will newly connect hangs out it by equipment such as hoist lines from mouse hole, move to the upper end of existing drilling pipe in the drilling well, the drilling pipe that newly connects is adjusted to vertical direction over against the upper end of existing drilling pipe, 3 drilling pipes that connect together that newly connect are docked with existing drilling pipe in the drilling well screw the growth of finishing drilling pipe in the drilling well, as above, need in the time of in mouse hole to take over, the pipe that connects also will be connected with the pipe in the drilling well when moving on to the drilling well top, longer owing to drilling pipe itself in said process, heavier, " movement ", " seat adjustment " " docking screws " cooperates auxiliary mode time-consuming with the people at present, effort efficient is low, labour intensity is large, dangerous high, it is very inconvenient to operate.Especially the process of 3 adapters when mouse hole, because the pipe in the mouse hole and raise up the pipe of preparing to connect and can have inclination, two pipes align the trouble that screws and link closely.
Summary of the invention
Having the purpose of this invention is to provide a kind of equipment, this equipment can be by finishing the adapter process of mouse hole and drilling well accurately and rapidly to the adjustment of the turnbuckle clamp clamped position in this programme, direction, improved to take over efficient, reduced labour intensity and to workman's danger.
Technical scheme of the present invention is as follows:
The mechanism of a kind of connecting and disconnecting drill rod and sleeve pipe, comprise turnbuckle clamp assembly, telescopic arm and lifting gear, described turnbuckle clamp is comprised of relatively turnable Power Tong and fixing pincers, described lifting gear comprises base, column and the kink slide on this column, can relatively rotate between described base and the column, the telescopic end of described telescopic arm is fixedly connected with described fixedly pincers, and the other end and described slide are rotationally connected.
Adopt said structure, can reach the adjustment to a plurality of directions of turnbuckle clamp assembly, take column as the reference position, telescopic arm plays the radial distance of regulating between turnbuckle clamp assembly and the column, column self can rotate relative to base simultaneously, can realize that like this turnbuckle clamp assembly rotates centered by column, the turnbuckle clamp assembly is to pass through telescopic arm in addition, slide is connected to the lifting to the turnbuckle clamp assembly of realizing on the column, also have telescopic arm and described slide for being rotationally connected, and telescopic arm and turnbuckle clamp assembly are for being fixedly connected with, this connected mode has realized the deflection of turnbuckle clamp assembly take the telescopic arm center line as axis, we can find out by lifting thus, horizontally rotate, vertical rotation, the adjustment of radial distance is so that the turnbuckle clamp assembly can adapt to the needs of drilling pipe diverse location, especially for the needs of taking at mouse hole, satisfy the herein situation of drilling pipe inclination, fixedly clamp in the turnbuckle clamp assembly drill with ferrule pipe of staying, Power Tong is clamped the drilling pipe of slinging, and Power Tong rotates relative to fixing pincers and reaches the purpose that the docking of two drilling pipes is screwed and links closely; Finish " adapter " by plant equipment, improved and taken over efficient, reduced labour intensity and to workman's danger.
Described column upper end is provided with fixed pulley, lift winch and drag-line, and described drag-line one end is connected with described slide, and the fixed pulley that the other end is walked around the upper end setting of described column is connected with the feed roll end of described lift winch; Be provided with rotating disk at described column lower end, this rotating disk is connected with rotating disk and drives oil cylinder, and described column is by producing relative rotation between described rotating disk and the base.
This structure has realized the lifting to slide, simultaneously namely to the adjustment of turnbuckle clamp assembly.
The link of described telescopic arm and slide is provided with installing plate, and this installing plate is fixedly connected with an end of the rotating shaft that arranges at described slide, and the other end of this rotating shaft is connected with rotational fuel tank.Assembly is followed together in the vertical direction swing of telescopic arm thereby rotational fuel tank drives rotating shaft realization turnbuckle clamp.
Be provided with a pair of described telescopic arm on the described installing plate, this telescopic arm comprises outer arm, inner arm, telescopic oil cylinder, and described inner arm is sleeved in the described outer arm, and described telescopic oil cylinder one end is connected with described outer arm, and the other end is connected with the front end of described inner arm; All have slippage slot on described outer arm and the inner arm, pass on the inner arm of this slippage slot and be provided with the turnbuckle clamp back-up block, this turnbuckle clamp back-up block can move relative to described outer arm and inner arm;
The rear end that also is provided with tooth bar, inner arm in described outer arm is provided with gear, this gear and the engagement of described tooth bar, the front end of described inner arm also is provided with runner, is wound with the slippage drag-line between this runner and the described gear, and described turnbuckle clamp back-up block is connected on this slippage drag-line.
The structure that adopts above-mentioned telescopic arm is by elongation and the shortening of the relative outer arm of control telescopic oil cylinder capable of regulating inner arm, and to drive the turnbuckle clamp assembly back-up block moving range that can greatly improve like this turnbuckle clamp assembly back-up block of sliding by the slippage drag-line in inner arm be the moving range of turnbuckle clamp assembly thereby rotate at tooth bar at elongation and the process of shortening middle gear simultaneously.
Described fixedly pincers comprise fixing pincers housing, the bull gear with opening and canine tooth ring support, described canine tooth ring support is arranged on the gripper shoe of described fixedly pincers housing top setting, described bull gear bottom has cannelure, upper surface is provided with alignment pin, is sleeved on described bull gear on the described canine tooth ring support and bull gear can rotate relative to the canine tooth ring support by this cannelure; Also be provided with bull gear driven wheel and the gear that links closely on the described gripper shoe, this bull gear driven wheel and the gear that links closely are connected with the outer ring of oil motor independently and described bull gear driven wheel, link closely gear and bull gear and mesh in twos; Be provided with two pincers tooth clamping devices that are arranged symmetrically with in the described fixedly pincers housing of described gripper shoe below, this pincers tooth clamping device comprises worm and gear assembly, pliers tooth base, driving oil motor, described driving oil motor is connected with the worm screw power intake of described worm and gear assembly, worm gear in the described worm and gear assembly is connected with pincers crest bar, be rotary with pincers crest cylinder on this pincers crest bar, the described pliers tooth base of suit on this pincers crest cylinder, be connected with the pincers tooth on this pliers tooth base, the pincers tooth in the described two pincers tooth clamping devices is in opposite directions and towards the jaw center of described fixedly pincers;
Described Power Tong comprises the Power Tong housing, power transmission shaft, be provided with the pin-and-hole corresponding with the alignment pin of described bull gear upper surface on the described Power Tong housing, be provided with two card tooth clamping devices that are arranged symmetrically with in the described Power Tong housing, this card tooth clamping device comprises worm screw, worm gear and be connected to card crest bar on the worm gear, be rotary with card crest cylinder on this card crest bar, be set with card tooth holder on this card crest cylinder, this card tooth holder front end has mounting groove, this mounting groove up and down the inwall symmetry have a deep-slotted chip breaker, be provided with pin between two deep-slotted chip breakers, this pin is hinged with card tooth floating seat, be connected with the card tooth on this card tooth floating seat, the output of described power transmission shaft is connected with described worm screw, described power transmission shaft has input adapter, has the power end patchhole on described Power Tong housing corresponding to this input adapter;
On described fixedly pincers housing, also be provided with and drive the oil motor slide, be provided with the card tooth on this driving oil motor slide and drive the oil motor support plate, this card tooth drives card tooth driving oil motor is housed on the oil motor support plate, the power output connector that this card tooth drives oil motor is corresponding with the input adapter of described Power Tong medium power power transmission shaft, be provided with support plate at driving oil motor slide and promote oil cylinder, the promote-side that this support plate promotes oil cylinder is connected with described card tooth driving oil motor support plate.
Said structure is to fixing pincers in the turnbuckle clamp, the design of Power Tong and the parts that match has realized treating the clamping that connects down two pipes, Power Tong is realized up and down screwing of pipe relative to rotating of fixing pincers simultaneously, the rotation of Power Tong is rotated by bull gear and is realized, alignment pin that pin-and-hole is plugged on the bull gear upper surface is set on the Power Tong housing makes bull gear drive the Power Tong housing when rotating and whole Power Tong rotates, bull gear is driven by the bull gear driven wheel and rotates around the canine tooth ring support, the bull gear driven wheel provides power by the oil motor of its connection, also be provided with the gear that links closely in this structure, the purpose that arranges of this structure is to screw when acquiring a certain degree when aforesaid, this gear that links closely provides enough large force of the breath of tightening, the purpose that two drilling pipes is up and down arrived link closely when releasing (otherwise unload pipe).And before rotating, need up and down respectively clamping of pipe, Power Tong clamps and rotates pipe, the fixing motionless pipe of the tight below of clamp, oil motor drive two pincers teeth are mobile in opposite directions to the jaw center to clamp drilling pipe by driving in the fixing pincers, drive oil motor enough large chucking power can be provided, simultaneously since fixing pincers be need not rotate so drive oil motor and can be connected with extraneous oil pipe; By the movement of card tooth that upper rotation pipe clamp is tight in the Power Tong, the ingenious part of this programme just is because Power Tong is designed to rotating, and by this Power Tong the stable clamping of upper rotation pipe is rotated and to reach spinning of two pipes, (need to provide 2 main power sources in the Power Tong, the one, the rotation of bull gear drives the rotation of Power Tong, the 2nd, by the card tooth clamping of drilling pipe being driven oil motor by the card tooth and provides the pretension chucking power to the movement of card tooth) said structure can reach Power Tong can not be subject to other connection relative to freely rotating of fixing pincers interference, for guaranteeing that the card tooth drives the rotation after can not affecting when oil motor can provide clamping force for the card tooth, designed the clamping force input mode of separate type in this structure, the card tooth driving oil motor that support plate promotes on the oil cylinder pushing card tooth driving oil motor support plate when namely clamping is close to Power Tong, until the card tooth drives the power output connector insertion Power Tong housing of oil motor and docks with the input adapter of power transmission shaft, start the card tooth and drive oil motor by the transmission push card tooth clamping drilling pipe of power transmission shaft to power, the control support plate promotes oil cylinder and will block power output connector driven force that tooth drives oil motor and clamp in the housing and withdraw from after clamping, then driving Power Tong rotates, realize cleverly the function that clamps and rotate, avoided Power Tong for realizing simultaneously the interference that two functions may exist.
Wherein card tooth holder front end has mounting groove in Power Tong, this mounting groove up and down the inwall symmetry have a deep-slotted chip breaker, be provided with pin between two deep-slotted chip breakers, this pin is hinged with card tooth floating seat, be connected with the card tooth on this card tooth floating seat, the effect of this structure is to have the purpose of wedging, card tooth floating seat drives the slippage of card tooth by pin slippage in deep-slotted chip breaker in Ka Ya starts to walk rotation process with preliminary clamping drilling pipe, diminish by radial distance between adjustment two pins of deep-slotted chip breaker, the card tooth is tending towards the purpose that arrival " from wedge " drawn close at the center, make the card tooth more abundant to the clamping of drilling pipe, accommodation is larger.
Be provided with 2 bull gear driven wheels and 1 gear that links closely on the described gripper shoe, described 2 bull gear driven wheels are in the described gear both sides and at described bull gear driven wheel and link closely and be provided with travelling gear between the gear, this travelling gear is meshed with described bull gear driven wheel and the gear that links closely of linking closely.
2 travelling gears that 2 bull gear driven wheels, 1 gear that links closely arrange between reaching have been realized the uniform distribution of original power is guaranteed the steady of bull gear rotation by the interlock of 5 teeth.
Between two worm screw front ends of described two worm and gear assemblies, be horizontally connected with adjustable plate, wherein the worm screw front end is spun on the screw on the described adjustable plate, the adjustable plate middle part is provided with regulating block, this regulating block and the two corresponding jaw centers towards described fixedly pincers of pincers tooth of clamping in the tooth clamping devices.
Regulating block be arranged in the process that the pincers tooth clamps that regulating block is also realized moving simultaneously and with drilling pipe against, utilize the principle of 3 point locations to arrive righting to drilling pipe, prevent from only having the clamping of 2 pincers teeth may produce the skew of drilling pipe in clamping or rotating.
Be provided with horizontal roller and vertical roller between described bull gear and the canine tooth ring support, described canine tooth ring support upper surface is provided with roller cage, and this roller cage has the roller groove, and described horizontal roller is placed in the roller groove in the described roller cage; Described vertical roller is arranged on the bottom of described canine tooth ring support, and the rotating shaft of described vertical roller is connected with gripper shoe with the canine tooth ring support respectively.
Horizontal roller and vertical roller the sliding that improves between the relative canine tooth ring support of bull gear is set, the frictional force that greatly reduces between the two makes rotation more steady.
Be provided with vertical fastener between described bull gear and the described gripper shoe.
Vertical fastener is fixed on the gripper shoe, and bull gear can rotate relative to vertical fastener simultaneously, and this fastener is in order to prevent that the bull gear in the vertical direction breaks away from gripper shoe.
Beneficial effect: by finishing accurately and rapidly the adapter process of mouse hole and drilling well to the adjustment of the turnbuckle clamp clamped position in this programme, direction, improved and taken over efficient, reduced labour intensity and to workman's danger.
Description of drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is that the rotating shaft connection of column slide place and telescopic arm connect sectional view;
Fig. 4 is the structural representation of telescopic arm;
Fig. 5 is the connection layout of rotating shaft and rotational fuel tank;
Fig. 6 is the structural representation of fixing pincers;
Fig. 7 is the A-A sectional view of Fig. 6;
Fig. 8 is for driving oil motor slide, card tooth drive the oil motor support plate, the card tooth drives the oil motor connection layout;
Fig. 9 is the bull gear structural representation;
Figure 10 is the A-A sectional view of Fig. 9;
Figure 11 is the Power Tong structural representation;
Figure 12 is the B-B sectional view of Figure 11;
Figure 13 is the A-A sectional view of Figure 11.
The specific embodiment
As shown in Figure 1, 2: the mechanism of a kind of connecting and disconnecting drill rod and sleeve pipe, comprise turnbuckle clamp assembly 1, telescopic arm 2 and lifting gear 3, described turnbuckle clamp assembly 1 is comprised of relatively turnable Power Tong 4 and fixing pincers 5, described lifting gear 3 comprises base 7, column 16 and the kink slide 6 on this column 16, can relatively rotate between described base 7 and the column 16, the telescopic end of described telescopic arm 2 is fixedly connected with described fixedly pincers 5, and the other end and described slide 6 are rotationally connected.
Described column 16 upper ends are provided with fixed pulley 8, lift winch 10 and drag-line 9, and described drag-line 9 one ends are connected with described slide 6, and the fixed pulley 8 that the other end is walked around the setting of described column 16 upper ends is connected with the feed roll end of described lift winch 10; Be provided with rotating disk 11 in described column 16 lower ends, this rotating disk 11 is connected with rotating disk and drives oil cylinder 12, and described column 16 is by producing relative rotation between described rotating disk 11 and the base 7.
Shown in Fig. 3,5: as described in the link of telescopic arm 2 and slide 6 be provided with installing plate 13, this installing plate 13 is fixedly connected with a end in the rotating shaft 14 of described slide 6 settings, the other end of this rotating shaft 14 is connected with rotational fuel tank 15.
Shown in Fig. 3,4: as described in be provided with on the installing plate 13 a pair of as described in telescopic arm 2, this telescopic arm 2 comprises outer arm 201, inner arm 202, telescopic oil cylinder 203, described inner arm 202 is sleeved in the described outer arm 201, described telescopic oil cylinder 203 1 ends are connected with described outer arm 201, and the other end is connected with the front end of described inner arm 202; All have slippage slot 206 on described outer arm 201 and the inner arm 202, pass on the inner arm 202 of this slippage slot 206 and be provided with turnbuckle clamp back-up block 207, this turnbuckle clamp back-up block 207 can move relative to described outer arm 201 and inner arm 202;
The rear end that also is provided with tooth bar 204, inner arm 202 in described outer arm 201 is provided with gear 205, this gear 205 and described tooth bar 204 engagements, the front end of described inner arm 202 also is provided with runner 208, be wound with slippage drag-line 209 between this runner 208 and the described gear 205, described turnbuckle clamp back-up block 207 is connected on this slippage drag-line 209.
Shown in Fig. 6,7,9,10: as described in fixedly pincers 5 comprise fixing pincers housing 501, the bull gear 502 with opening and canine tooth ring support 503, described canine tooth ring support 503 is arranged on the gripper shoe 504 of described fixedly pincers housing 501 tops setting, described bull gear 502 bottoms have cannelure, upper surface is provided with alignment pin 513, are sleeved on described bull gear 502 on the described canine tooth ring support 503 and bull gear 502 can rotate relative to canine tooth ring support 503 by this cannelure; Also be provided with bull gear driven wheel 505 on the described gripper shoe 504 and the gear 506 that links closely, this bull gear driven wheel 505 and the gear 506 that links closely are connected with independently the outer ring of oil motor and described bull gear driven wheel 505, link closely gear 506 and bull gear 502 and mesh in twos; Be provided with two pincers tooth clamping devices that are arranged symmetrically with in the described fixedly pincers housing 501 of described gripper shoe 504 belows, this pincers tooth clamping device comprises worm and gear assembly 507, pliers tooth base 508, drive oil motor 509, described driving oil motor 509 is connected with the worm screw power intake of described worm and gear assembly 507, worm gear in the described worm and gear assembly 507 is connected with pincers crest bar 510, be rotary with pincers crest cylinder 511 on this pincers crest bar 510, the described pliers tooth base 508 of suit on this pincers crest cylinder 511, be connected with pincers tooth 512 on this pliers tooth base 508, the pincers tooth 512 in the described two pincers tooth clamping devices is in opposite directions and towards the jaw center of described fixedly pincers 5;
Such as Figure 11,12, shown in 13: described Power Tong 4 comprises Power Tong housing 401, power transmission shaft 402, be provided with the pin-and-hole 414 corresponding with the alignment pin 513 of described bull gear 502 upper surfaces on the described Power Tong housing 401, be provided with two card tooth clamping devices that are arranged symmetrically with in the described Power Tong housing 401, this card tooth clamping device comprises worm screw 403, worm gear 404 and be connected to card crest bar 405 on the worm gear 404, be rotary with card crest cylinder 406 on this card crest bar 405, be set with card tooth holder 407 on this card crest cylinder 406, these card tooth holder 407 front ends have mounting groove, this mounting groove up and down the inwall symmetry have a deep-slotted chip breaker 410, be provided with pin 408 between two deep-slotted chip breakers 410, this pin 408 is hinged with card tooth floating seat 409, be connected with card tooth 411 on this card tooth floating seat 409, the output of described power transmission shaft 402 is connected with described worm screw 403, described power transmission shaft 402 has input adapter 412, has power end patchhole 413 on the described Power Tong housing 401 of these input adapter 412 correspondences;
In the structure of above-mentioned Power Tong and fixing pincers, the pincers tooth is movably connected on the pliers tooth base, the card tooth is movably connected in card tooth floating seat, described flexible connection can adopt hinged form as hinged with pin, also can adopt the form of floating connection, as opening at the pliers tooth base front end and the groove that clamps the thread form shape and be complementary, to clamp tooth is placed in this groove, purpose is that pincers tooth or card tooth have the purpose of self adaptation caliber, automatically adjusts its age of a draught animal that angle is for different caliber pincers teeth or card tooth and fully contacts the stability that assurance steps up with the pipe external diameter.
As shown in Figure 8: on described fixedly pincers housing 501, also be provided with and drive oil motor slide 414, be provided with the card tooth on this driving oil motor slide 414 and drive oil motor support plate 415, this card tooth drives card tooth driving oil motor 416 is housed on the oil motor support plate 415, the power output connector 418 that this card tooth drives oil motor 416 is corresponding with the input adapter 412 of described Power Tong 4 medium power power transmission shafts 402, be provided with support plate at driving oil motor slide 414 and promote oil cylinder 417, the promote-side that this support plate promotes oil cylinder 417 is connected with described card tooth driving oil motor support plate 415.
As shown in Figure 6: be provided with 2 bull gear driven wheels 505 and 1 gear 506 that links closely on the described gripper shoe 504, described 2 bull gear driven wheels 505 are in described gear 506 both sides and at described bull gear driven wheel 505 and link closely and be provided with travelling gear 519 between the gear 506, this travelling gear 519 is meshed with described bull gear driven wheel 505 and the gear 506 that links closely of linking closely.
As shown in Figure 6: between two worm screw front ends of described two worm and gear assemblies 507, be horizontally connected with adjustable plate 514, wherein the worm screw front end is spun on the screw on the described adjustable plate 514, adjustable plate 514 middle parts are provided with regulating block 515, this regulating block 515 and the two pincers tooth 512 corresponding jaw centers towards described fixedly pincers 5 of clamping in the tooth clamping devices.
Shown in Fig. 6,7: as described in be provided with horizontal roller 516 and vertical roller 517 between bull gear 502 and the canine tooth ring support 503, described canine tooth ring support 503 upper surfaces are provided with roller cage 518, this roller cage 518 has the roller groove, and described horizontal roller 516 is placed in the roller groove in the described roller cage 518; Described vertical roller 517 is arranged on the bottom of described canine tooth ring support 503, and the rotating shaft of described vertical roller 517 is connected with gripper shoe with canine tooth ring support 503 respectively and is connected.
Be provided with vertical fastener 520 between described bull gear 502 and the described gripper shoe 504.

Claims (8)

1. the mechanism of a connecting and disconnecting drill rod and sleeve pipe, comprise turnbuckle clamp assembly (1), telescopic arm (2) and lifting gear (3), described turnbuckle clamp assembly (1) is comprised of relatively turnable Power Tong (4) and fixing pincers (5), described lifting gear (3) comprises base (7), column (16) and the kink slide (6) on this column (16), can relatively rotate between described base (7) and the column (16), the telescopic end of described telescopic arm (2) is fixedly connected with described fixedly pincers (5), the other end and described slide (6) are rotationally connected, it is characterized in that: described column (16) upper end is provided with fixed pulley (8), lift winch (10) and drag-line (9), described drag-line (9) one ends are connected with described slide (6), and the fixed pulley (8) that the other end is walked around the setting of described column (16) upper end is connected with the feed roll end of described lift winch (10); Be provided with rotating disk (11) in described column (16) lower end, this rotating disk (11) is connected with rotating disk and drives oil cylinder (12), and described column (16) is by producing relative rotation between described rotating disk (11) and the base (7).
2. the mechanism of a kind of connecting and disconnecting drill rod according to claim 1 and sleeve pipe, it is characterized in that: described telescopic arm (2) is provided with installing plate (13) with the link of slide (6), this installing plate (13) is fixedly connected with an end of the rotating shaft (14) that arranges at described slide (6), and the other end of this rotating shaft (14) is connected with rotational fuel tank (15).
3. the mechanism of a kind of connecting and disconnecting drill rod according to claim 2 and sleeve pipe, it is characterized in that: be provided with a pair of described telescopic arm (2) on the described installing plate (13), this telescopic arm (2) comprises outer arm (201), inner arm (202), telescopic oil cylinder (203), described inner arm (202) is sleeved in the described outer arm (201), described telescopic oil cylinder (203) one ends are connected with described outer arm (201), and the other end is connected with the front end of described inner arm (202); All have slippage slot (206) on described outer arm (201) and the inner arm (202), pass on the inner arm (202) of this slippage slot (206) and be provided with turnbuckle clamp back-up block (207), this turnbuckle clamp back-up block (207) can move relative to described outer arm (201) and inner arm (202);
The rear end that also is provided with tooth bar (204), inner arm (202) in described outer arm (201) is provided with gear (205), this gear (205) and described tooth bar (204) engagement, the front end of described inner arm (202) also is provided with runner (208), be wound with slippage drag-line (209) between this runner (208) and the described gear (205), described turnbuckle clamp back-up block (207) is connected on this slippage drag-line (209).
4. the mechanism of a kind of connecting and disconnecting drill rod according to claim 1 and sleeve pipe, it is characterized in that: described fixedly pincers (5) comprise fixing pincers housing (501), bull gear (502) and canine tooth ring support (503) with opening, described canine tooth ring support (503) is arranged on the gripper shoe (504) of described fixedly pincers housing (501) top setting, described bull gear (502) bottom has cannelure, upper surface is provided with alignment pin (513), and by this cannelure described bull gear (502) being sleeved on the upper and bull gear (502) of described canine tooth ring support (503) can rotate relative to canine tooth ring support (503); Also be provided with bull gear driven wheel (505) and the gear that links closely (506) on the described gripper shoe (504), this bull gear driven wheel (505) and the gear that links closely (506) are connected with the outer ring of oil motor independently and described bull gear driven wheel (505), the gear that links closely (506) and bull gear (502) and mesh in twos; Be provided with two pincers tooth clamping devices that are arranged symmetrically with in the described fixedly pincers housing (501) of described gripper shoe (504) below, this pincers tooth clamping device comprises worm and gear assembly (507), pliers tooth base (508), drive oil motor (509), described driving oil motor (509) is connected with the worm screw power intake of described worm and gear assembly (507), worm gear in the described worm and gear assembly (507) is connected with pincers crest bar (510), be rotary with pincers crest cylinder (511) on this pincers crest bar (510), the upper suit of these pincers crest cylinders (511) described pliers tooth base (508), be connected with pincers tooth (512) on this pliers tooth base (508), the pincers tooth (512) in the described two pincers tooth clamping devices is in opposite directions and towards the jaw center of described fixedly pincers (5);
Described Power Tong (4) comprises Power Tong housing (401), power transmission shaft (402), be provided with the pin-and-hole (414) corresponding with the alignment pin (513) of described bull gear (502) upper surface on the described Power Tong housing (401), be provided with two card tooth clamping devices that are arranged symmetrically with in the described Power Tong housing (401), this card tooth clamping device comprises worm screw (403), worm gear (404) and be connected to card crest bar (405) on the worm gear (404), be rotary with card crest cylinder (406) on this card crest bar (405), be set with card tooth holder (407) on this card crest cylinder (406), this card tooth holder (407) front end has mounting groove, this mounting groove up and down the inwall symmetry have a deep-slotted chip breaker (410), be provided with pin (408) between two deep-slotted chip breakers (410), this pin (408) is hinged with card tooth floating seat (409), be connected with card tooth (411) on this card tooth floating seat (409), the output of described power transmission shaft (402) is connected with described worm screw (403), described power transmission shaft (402) has input adapter (412), has power end patchhole (413) on the described Power Tong housing (401) of this input adapter (412) correspondence;
On described fixedly pincers housing (501), also be provided with and drive the oil motor slide, be provided with the card tooth on this driving oil motor slide and drive oil motor support plate (415), this card tooth drives card tooth driving oil motor (416) is housed on the oil motor support plate (415), the power output connector (418) that this card tooth drives oil motor (416) is corresponding with the input adapter (412) of described Power Tong (4) medium power power transmission shaft (402), be provided with support plate at driving oil motor slide and promote oil cylinder (417), the promote-side that this support plate promotes oil cylinder (417) is connected with described card tooth driving oil motor support plate (415).
5. the mechanism of a kind of connecting and disconnecting drill rod according to claim 4 and sleeve pipe, it is characterized in that: be provided with 2 bull gear driven wheels (505) and 1 gear that links closely (506) on the described gripper shoe (504), described 2 bull gear driven wheels (505) are positioned at the described gear that links closely (506) both sides and are provided with travelling gear (519) between described bull gear driven wheel (505) and the gears that links closely (506), and this travelling gear (519) is meshed with described bull gear driven wheel (505) and the gear that links closely (506).
6. the mechanism of a kind of connecting and disconnecting drill rod according to claim 4 and sleeve pipe, it is characterized in that: between two worm screw front ends of described two worm and gear assemblies (507), be horizontally connected with adjustable plate (514), wherein the worm screw front end is spun on the screw on the described adjustable plate (514), adjustable plate (514) middle part is provided with regulating block (515), this regulating block (515) and the two corresponding jaw centers towards described fixedly pincers (5) of pincers tooth (512) of clamping in the tooth clamping devices.
7. the mechanism of a kind of connecting and disconnecting drill rod according to claim 4 and sleeve pipe, it is characterized in that: be provided with horizontal roller (516) and vertical roller (517) between described bull gear (502) and the canine tooth ring support (503), described canine tooth ring support (503) upper surface is provided with roller cage (518), this roller cage (518) has the roller groove, and described horizontal roller (516) is placed in the roller groove in the described roller cage (518); Described vertical roller (517) is arranged on the bottom of described canine tooth ring support (503), and the rotating shaft of described vertical roller (517) is connected 504 with canine tooth ring support (503) with gripper shoe respectively) be connected.
8. the mechanism of a kind of connecting and disconnecting drill rod according to claim 4 and sleeve pipe is characterized in that: be provided with vertical fastener (520) between described bull gear (502) and the described gripper shoe (504).
CN 201010128224 2010-02-10 2010-02-10 Mechanism for connecting and disconnecting drill rod and casing Active CN101824972B (en)

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CN102797424B (en) * 2012-09-13 2014-11-05 四川宏华石油设备有限公司 Rotation device for drill rod
CN104533319A (en) * 2014-10-10 2015-04-22 刘承建 Height-adjustable automatic reciprocating traveling power tongs device
CN106639927A (en) * 2016-11-16 2017-05-10 中国石油天然气股份有限公司 Iron roughneck used for petroleum well workover
CN111101880A (en) * 2020-01-07 2020-05-05 晁志兵 Oil rod butt joint system of oil field drilling device
CN112253016B (en) * 2020-12-22 2021-05-18 王永军 Auxiliary lifting conveying device for drill rods in drilling hole

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