CN101906942B - Pipe connector - Google Patents
Pipe connector Download PDFInfo
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- CN101906942B CN101906942B CN201010239658.XA CN201010239658A CN101906942B CN 101906942 B CN101906942 B CN 101906942B CN 201010239658 A CN201010239658 A CN 201010239658A CN 101906942 B CN101906942 B CN 101906942B
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Abstract
The invention discloses a pipe connector, belonging to the field of oil drilling and extracting and aiming to provide a pipe connector with simple structure and convenient operation as well as capability of quickly lifting and lowering a drill rod to complete screwing on and fastening the drill rod without using other machines and tools and simultaneously completing casing running operation. The pipe connector comprises a main shaft (1), and is characterized in that the main shaft (1) is connected with a bearing barrel body (12); a rotary oil sleeve (2) is sleeved on the bearing barrel body (12); the lower end of the bearing barrel body (12) is connected with a first slip bowl body (10) and a second slip bowl body (5); and the first slip bowl body (10) and the second slip bowl body (5) can be folded and cooperatively used, the first slip bowl body (10) and the second slip bowl body (5) are respectively provided with a clamping device (3) and a locking device (4). The invention is applicable to being popularized in the oil drilling and extracting field.
Description
Technical field
The present invention relates to a kind of petroleum drilling and mining device, particularly a kind of pipe linkage.
Background technology
In field of petroleum exploitation, in order to improve rig efficiency and to reduce drilling cost, modern rig trip crane system is all equipped with top to drive or power swivel conventionally, and top is driven and is applicable to large-scale rig and darker drilling well, and power swivel is applicable to light rig.No matter be the rig of which kind of type, in drilling process, all need to mention with the operation of transferring drilling rod, install and unload cased operation, this process needs a lot of facility to cooperatively interact just to complete, such as iron driller, liquid gas tong, casing tong etc.Generally, be furnished with the rig that drives of top when mentioning and transfer drilling rod, iron driller or liquid gas tong need to be coordinated and could operate, and more need the cooperation of casing tong during casing job.If in the situation that being only furnished with power swivel, except needing the cooperation of iron driller, liquid gas tong, casing tong, when mentioning drilling rod, all need to carry out once going up shackle operation with the screw thread of main shaft and drilling rod, unloading more needs adapter to realize cased time to connect button operation at every turn.In drilling process, just wasted a large amount of time like this, thereby reduced the efficiency of drilling well, the life-span of drilling equipment also can reduce greatly, in the situation that being furnished with casing tong, also can occupy the operating space of drilling well table top simultaneously, and whole operation is quite inconvenient.
Summary of the invention
Goal of the invention of the present invention is: for the problem of above-mentioned existence, provide a kind of simple in structure, easy to operate, do not use other facility just can complete fast and mention and transfer drilling rod, and complete the upper button of drilling rod and link closely, can complete the pipe connector of casing job simultaneously.
The technical solution used in the present invention is as follows:
Pipe connector of the present invention, comprise main shaft, on described main shaft, be connected with load cylindrical shell, on described load cylindrical shell, be set with rotation oil jacket, the lower end of described load cylindrical shell is connected with the first slips pedestal, the lower end of described load cylindrical shell is connected with the second slips pedestal, described the first slips pedestal and the second slips pedestal can close up and be used in conjunction with, on described the first slips pedestal, be provided with the second clamping device and the second locking device, on described the second slips pedestal, be provided with the first clamping device and the first locking device.
Owing to having adopted above-mentioned structure, by the first slips pedestal and the second slips pedestal, close up jointed rod or pipe, and bear the weight of drilling rod or pipe, because the first slips pedestal and the second slips pedestal are connected on load cylindrical shell, so load cylindrical shell bears the weight of drilling rod or pipe, because load cylindrical shell is fixedly connected on main shaft, thus again weight transmitting to main shaft.When the first slips pedestal and the second slips pedestal close up, fixedly drilling rod or pipe, at this moment need by the first clamping device and the second clamping device, the upper end of drilling rod or pipe is clamped, avoid drilling rod or pipe to rotate with respect to pipe connector, and avoid its landing or take off, by the first locking device and the second locking device, drilling rod or pipe are pinned tightly, thereby conveniently mention drilling rod or pipe, avoid it to come off simultaneously.Because slips pedestal adopts symmetrical two to be spliced into an integral body, such structure had both facilitated connector installation and removal, had also facilitated the installation and removal of drilling rod and/or pipe simultaneously.The external side of loaded cylinder is connected with rotation oil jacket, rotation oil jacket can freely rotate with respect to load cylindrical shell, it is mainly by being association of activity and inertia between rotation oil jacket and load cylindrical shell, realize the transmission of hydraulic oil, solved the moving of load cylindrical shell and rotated the problem that cannot be connected by oil supply pipe between oil jacket quiet, and having reduced the oil supply pipe quantity on pipe connector.
Described the first clamping device or the second clamping device comprise clamping cylinder, on the clamping cylinder piston of described clamping cylinder, are connected with clamping pliers tooth base.
Owing to adopting said structure, when needs clamp drilling rod or pipe, the control fuel tap door of controlling on oil cylinder cover supplies hydraulic oil in clamping cylinder, due to clamping cylinder piston and the sealing of clamping cylinder inboard wall of cylinder block, hydraulic oil enters in clamping cylinder, thereby promote clamping cylinder piston, moves, thereby promote to clamp pliers tooth base, to slips pedestal internal direction, moves, clamping pliers tooth base acting in conjunction in the first slips pedestal and the second slips pedestal, clamps drilling rod or pipe.Owing to being connected with clamping pliers tooth base on clamping cylinder piston, on the work plane of clamping pliers tooth base, be provided with the clamping pliers tooth base tooth corresponding with drilling rod or pipe clamping place or screw thread or striped, make drilling rod or pipe in rotary course, the combination that clamps pliers tooth base and drilling rod or pipe is more and more tightr, thereby clamping device provides moment of torsion to drilling rod or pipe, drilling rod or pipe are rotated with pipe connector simultaneously, thereby play the effect of clamping.Clamp operation convenience very, time saving and energy saving, and by hydraulic control clamping device, make structure more stable, guaranteed the safety of whole pipe connector.
Between the inboard wall of cylinder block of described clamping cylinder cylinder body and clamping cylinder piston, be provided with clamping oil back chamber, described clamping oil back chamber comprises the clamping cylinder annular oil groove on the inboard wall of cylinder block that is arranged at clamping cylinder and is arranged at the clamping piston annular oil groove in clamping cylinder piston outside.
Owing to having adopted said structure, between the inboard wall of cylinder block of clamping cylinder and clamping cylinder piston, be provided with clamping oil back chamber, and the sealing of the position beyond clamping oil back chamber, when needs loosen drilling rod or pipe, , only need to control the control fuel tap door on clamping cylinder, in the clamping oil back chamber of clamping cylinder, supply hydraulic oil, make the hydraulic oil in clamping cylinder discharge simultaneously, thereby promoting clamping piston moves, clamping piston drives clamping pliers tooth base to move to slip spider external body direction, clamping pliers tooth base in the first slips pedestal and the second slips pedestal moves jointly, thereby loosened the clamping to drilling rod or pipe, make clamping cylinder piston reset.Loosen clamp operation very convenient, time saving and energy saving, and by hydraulic control, make structure more stable, guaranteed the safety of whole pipe connector.
Described the first locking device or the second locking device comprise locking cylinder cylindrical shell, on described locking cylinder cylindrical shell, be connected with back shroud, the inside of described locking cylinder cylindrical shell is provided with localization handspike, on described localization handspike, be set with locking cylinder piston and conical surface piston, in described locking cylinder piston, be provided with oil duct cavity, on the side of described oil duct cavity, be provided with locating hole, in described locating hole, be provided with locking cone piece, inclined-plane or the cone match of described locking cone piece and conical surface piston, and be socketed on described locking cylinder cylinder inboard wall, on described localization handspike, be connected with pipe elevator.
Owing to having adopted said structure, when needs carry out locking operation to drilling rod or pipe, only need to control control fuel tap door, in locking cylinder cylindrical shell, supply hydraulic oil, thereby promoting conical surface piston moves, promoting locking cylinder piston moves again, under the acting in conjunction of conical surface piston and locking cylinder piston, promoting localization handspike moves, because one end of the nearly slips base vivo wall of localization handspike is connected with pipe elevator, so localization handspike promotion pipe elevator moves to the direction of slips pedestal inside, under pipe elevator acting in conjunction in the first slips pedestal and the second slips pedestal, to drilling rod and or pipe lock, restriction drilling rod or pipe come off.When needs loosen locking, the hydraulic oil of draining in locking cylinder cylindrical shell, inclined-plane or cone match due to described locking cone piece and conical surface piston, and be socketed on described locking cylinder cylinder inboard wall, make locking cone piece and locking cylinder cylinder inboard wall close contact, simultaneously, with inclined-plane or the cone match of conical surface piston, limited locking cylinder piston and further moved to back shroud direction.Locking operation is very convenient, time saving and energy saving, and by hydraulic control, makes structure more stable, has guaranteed the safety of whole pipe connector.
Between the inwall of described the first locking device or the second locking device, locking cylinder piston and localization handspike, be provided with oil back chamber, described oil back chamber comprises the annular oil-feed tank on the inwall that is arranged at the first locking device or the second locking device, is provided with the release oil duct that is communicated with oil duct cavity and oil back chamber on described locking cylinder piston.
Owing to having adopted said structure, in the time need to loosening first locking device the second locking device to the locking of drilling rod or pipe, only need to control the control fuel tap door on the first locking device and the second locking device, to in the oil back chamber in the first locking device and the second locking device for hydraulic oil, make the hydraulic oil in oil back chamber pass through the release oil duct on locking cylinder piston, flow in oil duct cavity, get rid of original hydraulic oil in locking cylinder cylindrical shell simultaneously, thereby promote conical surface piston and locking cylinder piston moves simultaneously, described locking cone piece is arranged in the side locating hole of oil duct cavity, and inclined-plane or the cone match of described locking cone piece and conical surface piston, and be socketed on described locking cylinder cylinder inboard wall, the motion of the nearly step of limitation lock locking oil cylinder piston.Locking cylinder piston moves, and pipe elevator can be moved to the external wall direction of slip spider with localization handspike, and the first locking device and the second locking device are worked simultaneously, have loosened the locking to drilling rod or pipe, thereby each parts in locking device are resetted.Releasing locking operation is very convenient, time saving and energy saving, and by hydraulic control, makes structure more stable, has guaranteed the safety of whole pipe connector.
The inwall of described rotation oil jacket is provided with annular oil groove, and described annular oil groove is corresponding with the oil duct junction of oil duct in being arranged at load cylindrical shell, and the top of described rotation oil jacket is connected with lifting bolt.
Owing to having adopted said structure, at the inwall that rotates oil jacket, annular oil groove is set, between each annular oil groove, be provided with rotatory sealing, the hydraulic oil between adjacent two oil grooves can not revealed mutually, guaranteed the sealing between each oil groove.Outside outermost oil groove, be also provided with rotatory sealing, make the sealing between outermost oil groove and oil groove outside.Because the oil duct junction in load cylindrical shell is corresponding with cannelure, make when load cylindrical shell rotates, its oil duct junction is all the time in cannelure, guaranteed that the fuel feeding in load cylindrical shell is unimpeded, thereby guarantee the transmission of hydraulic oil between load cylindrical shell and rotation oil jacket, solved between sound connection and cannot use the direct-connected problem of pipeline, made can directly carry out the transmission of hydraulic oil between sound connection.The top of rotation oil jacket is connected with lifting bolt, on lifting bolt can by rope be connected to that top is driven or power swivel on, making to rotate oil duct can drive or power swivel maintains static with respect to top.
Described the first slips pedestal and the second slips pedestal are connected on the convex edge of load cylindrical shell lower end, and the first slips pedestal and the second slips pedestal are located by connecting by bearing torque pin and load cylindrical shell.
Owing to adopting said structure, in load cylindrical shell lower end, be provided with convex edge, inside at the first slips pedestal and the second slips pedestal is provided with the groove corresponding with this convex edge, the weight of slips pedestal more can be born in the convex edge of load cylindrical shell, thereby being connected more surely between load cylindrical shell and the first slips pedestal and the second slips pedestal leaned on.On load cylindrical shell, be provided with bearing torque pin, the top of the first slips pedestal and the second slips pedestal is provided with the consign hole corresponding with bearing torque pin, when the first slips pedestal and the second slips pedestal close up, bearing torque pin snaps onto in the hole of consigning, make bearing torque pin load cylindrical shell to the moment of torsion that bears the first slips pedestal and the rotation of the second slips pedestal, make the first slips pedestal and the second slips pedestal can be with respect to load barrel body rotation, guaranteed relative fixing between load cylindrical shell and slips pedestal.
On the inwall of described the first slips pedestal and the second slips pedestal, be provided with rectangular channel, described clamping pliers tooth base and pipe elevator are arranged at respectively in rectangular channel and with respect to freely activity of rectangular channel.
Owing to having adopted said structure, the indoor design of slips pedestal rectangular channel, bear the weight that clamps pliers tooth base and pipe elevator, define clamping pliers tooth base and pipe elevator at the motion track of slips pedestal inside, and guaranteed that clamping pliers tooth base and pipe elevator are moving in horizontal direction all the time, and there is not deviation, and be so more conducive to oil cylinder to obtain inwall and oil cylinder piston, reduce oil cylinder and obtain the wearing and tearing between inwall and oil cylinder piston.The hook that while pipe elevator can also bear the apparatus transmission of pipe connector lower end carries.
Described the first slips pedestal is connected with guide cover, and the lower end of described the second slips pedestal is connected with guide cover.
Owing to having adopted said structure, be provided with guide cover, in the time of needs jointed rod or pipe, only need be inserted into along the inward flange of guide cover pipe connector inner, while having avoided drilling rod or pipe to put into pipe connector, drilling rod or pipe are put on the bias, thereby cause the generation deviation of clamp operation and locking operation and cannot clamp and lock drilling rod pipe.
In sum, owing to having adopted technique scheme, the invention has the beneficial effects as follows:
1. the present invention is simple in structure, easy to operate, and uses hydraulic control, time saving and energy saving, less time of mentioning and installing bull stick or sleeve pipe operation, the efficiency of increase drilling well;
2. between rotation oil jacket of the present invention and load cylindrical shell, adopt sound to connect fuel feeding, make can transmit hydraulic oil in load barrel body rotation, solved the problem of fuel feeding between sound connects, reduce the oil supply pipe on connector, made structure more compact, reduced operating space;
3. the present invention, by controlling clamping device and locking device, does not use other facility just can complete fast and mention and transfer drilling rod, and completes the upper button of drilling rod and link closely, and can complete casing job simultaneously;
4. the present invention adopts hydraulic control, make to clamp and the operation of locking solid and reliable, operate saferly, reduced the life-span that loaded down with trivial details operation has improved drilling equipment simultaneously, be adapted at petroleum drilling and mining field and promote.
Accompanying drawing explanation
Fig. 1 is shaft side figure of the present invention;
Fig. 2 is that structure of the present invention is partly cutd open figure;
Fig. 3 is the partial enlarged drawing of z part in Fig. 2;
Fig. 4 is the partial enlarged drawing of X part in Fig. 2.
Mark in figure: 1-main shaft, 2-rotates oil jacket, 3-the first clamping device, 4-the first locking device, 5-the second slips pedestal, 6-guide cover, 7-ships and resell on another market, 8-pipe elevator, 9-clamps pliers tooth base, 10-the first slips pedestal, 11-bearing torque pin, 12-load cylindrical shell, 13-localization handspike, 13a-push rod head, 13b-push rod portion, 14-piston seal, 15-locking cylinder piston, 16-locking cylinder cylindrical shell, 17-locking cone piece, 18-conical surface piston, 19-back shroud, 20-release oil duct, 21-O shape circle, 22-annular oil-feed tank, 23-bolt, 24-lifting bolt, 25-rotatory sealing, 26-guidance tape, 27-dust ring, 28-clamping cylinder piston, 29-block, 30-oil cylinder cover, 31-clamping cylinder, 32-clamping cylinder annular oil groove, 33-clamping piston annular oil groove, 34-clamps oil back chamber, 35-oil duct cavity, 36-oil back chamber, 37-annular oil groove, 38-rectangular channel, 39-the second clamping device, 40-the second locking device.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Embodiment 1 is as Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, pipe connector of the present invention, comprise main shaft 1, described main shaft 1 is fixedly connected with the load cylindrical shell 12 of its below, the surface suit of described load cylindrical shell 12 is connected with the rotation oil jacket 2 freely rotating with respect to load cylindrical shell 12, on the convex edge of described load cylindrical shell 12 lower ends, be connected with the first slips pedestal 10 and the second slips pedestal 5, between described the first slips pedestal 10 and the second slips pedestal 5, by shipping and reselling on another market, 7 be connected, on described the first slips pedestal 10, be provided with the second clamping device 39 and the second locking device 40, on the second slips pedestal 5, be provided with the first clamping device 3 and the first locking device 4.Described the first clamping device 3 or the second clamping device 39 comprise clamping cylinder 31, be connected with and clamp pliers tooth base 9 on the clamping cylinder piston 28 of described clamping cylinder 31.Between the inboard wall of cylinder block of described clamping cylinder 31 and clamping cylinder piston 28, be provided with and clamp oil back chamber 34, described clamping oil back chamber 34 comprises the clamping cylinder annular oil groove 32 on the inboard wall of cylinder block that is arranged at clamping cylinder 31 and is arranged at the clamping piston annular oil groove 33 in clamping cylinder piston 28 outsides.Described the first locking device 4 or the second locking device 40 comprise locking cylinder cylindrical shell 16, on described locking cylinder cylindrical shell 16, be connected with back shroud 19, the inside of described locking cylinder cylindrical shell 16 is provided with localization handspike 13, on described localization handspike 13, be set with locking cylinder piston 15 and conical surface piston 18, in described locking cylinder piston 15, be provided with oil duct cavity 35, on the side of described oil duct cavity 35, be provided with locating hole, in described locating hole, be provided with locking cone piece 17, inclined-plane or the cone match of described locking cone piece 17 and conical surface piston 18, and be socketed on described locking cylinder cylindrical shell 16 inwalls, on described localization handspike 13, be connected with pipe elevator 8.Between inwall, locking cylinder piston 15 and the localization handspike 13 of described the first locking device 4 or the second locking device 40, be provided with oil back chamber 36, described oil back chamber 36 comprises the annular oil-feed tank 22 on the inwall that is arranged at the first locking device 4 or the second locking device 40, is provided with the release oil duct 20 that is communicated with oil duct cavity 35 and oil back chamber 36 on described locking cylinder piston 15.In described rotation oil jacket 2, be provided with annular oil groove 37, described annular oil groove 37 is corresponding with the oil duct junction of oil duct in being arranged at load cylindrical shell 12, and the top of described rotation oil jacket 2 is connected with lifting bolt 24.Described the first slips pedestal 10 and the second slips pedestal 5 are connected on the convex edge of load cylindrical shell 12 lower ends, and the first slips pedestal 10 and the second slips pedestal 5 are located by connecting by bearing torque pin 11 and load cylindrical shell 12.On the inwall of described the first slips pedestal 10 and the second slips pedestal 5, be provided with rectangular channel 38, described clamping pliers tooth base 9 is arranged at respectively in rectangular channel 38 and with respect to freely activity of rectangular channel 38 with pipe elevator 8.Described the first slips pedestal 10 is connected with guide cover 6, and the lower end of described the second slips pedestal 5 is connected with guide cover 6.
Pipe connector of the present invention, wherein main shaft 1 is round tube shape, the upper end of main shaft 1 be connected to top drive or power swivel on, the lower end of main shaft 1 is the structure of flange, and this flange arrangement is contained in load cylindrical shell 12, is fixedly connected with by screw or bolt with load cylindrical shell 12, top at load cylindrical shell 12 is also provided with bearing torque pin 11, bearing torque pin 11 connects respectively load cylindrical shell 12 and main shaft 1, when main shaft is rotated, by bearing torque pin 11, drives load cylindrical shell 12 to rotate.Certainly main shaft 1 also can be connected in beyond load cylindrical shell 12, and is fixedly connected with the upper surface of load cylindrical shell 12.
Load cylindrical shell 12 is a tubular construction, its top is a manhole, the diameter of this through hole and the external diameter of main shaft 1 equate or are slightly larger than the external diameter of main shaft 1, when certainly main shaft 1 is connected in beyond load cylindrical shell 12, this manhole also can omit, the surrounding of through hole is bolt hole and the bearing torque pin-and-hole corresponding with the flange of main shaft, and load cylindrical shell 12 is fixedly connected with bearing torque pin by bolt with main shaft 1.The cylinder internal diameter of load cylindrical shell 12 is more bigger than the external diameter of the flange of main shaft 1, with flange, can freely put into taking-up and be advisable.The place of the inwall top of load cylindrical shell 12 and main shaft 1 flange contact is the plane corresponding with flange, its size can with flange equal diameters, also can be greater than flange diameter, putting down flange completely, be as the criterion.
Described load cylindrical shell 12 outer upper suits are connected with the rotation oil jacket 2 freely rotating with respect to load cylindrical shell 12, load cylindrical shell 12 outsides are provided with two-stage step with rotation oil jacket 2 junctions, lower end, and the bottom inside of described rotation oil jacket 2 is provided with the step corresponding with the step of load cylindrical shell 12.The inside of the tubular construction of load cylindrical shell 12 is provided with four oil ducts, each oil duct junction with rotation oil jacket 2 each oil duct annular groove y direction on highly identical, and oil duct junction all the time with rotation oil jacket 2 oil duct annular groove corresponding.Oil duct is arranged at the inside of load cylindrical shell 12, can also can in load cylindrical shell 12, dig out a passage for the pipeline of installing, and oil duct can be unimpededly as the criterion.Another outlet of each oil duct is arranged at the side of the bottom of load cylindrical shell 12, and this oil duct junction is connected with clamping device 3, locking device 4 respectively by oil supply pipe, for controlling the fuel feeding of clamping device and locking device.The lower end of described load cylindrical shell 12 is combined with convex annular edge, and the width of this convex edge is cooperatively interacting and be as the criterion with the first slips pedestal 10 and the second slips pedestal 5, and this convex edge is the structure of an annulus around load cylindrical shell 12.Described convex edge can be arranged at the least significant end of load cylindrical shell 12, the low end surface of convex edge and the lower curtate end face of load cylindrical shell 12; Convex edge also can be arranged on load cylindrical shell 12 external surfaces more than load cylindrical shell 12 bottoms.Above this convex edge, be provided with two outstanding positions, can be designed to a plurality of outstanding positions according to actual conditions, in this protruding part, be respectively arranged with bearing torque pin 11, the upper top of the first slips pedestal 10 and the second slips pedestal 5 is respectively arranged with bearing torque hole, and described bearing torque pin 11 is corresponding with the bearing torque hole of the upper top of the first slips pedestal 10 and the second slips pedestal 5 respectively.Interior spring or other elastomeric elements of arranging of this bearing torque pin 11, make bearing torque pin 11 bear downward power, when the first slips pedestal 10 or the second slips pedestal 5 close up, bearing torque pin 11 is limited in bearing torque hole, can not jump out because connector of the present invention rotation, and limit the first slips pedestal 10 and the second slips pedestal 5 rotates with respect to load cylindrical shell 12; When the first slips pedestal 10 or the second slips pedestal 5 are separately time, bearing torque pin 11 blocks the first slips pedestal 10 or the second slips pedestal 5, and it can not separated automatically, thus the safety while guaranteeing to unload pipe.Certainly, a plurality of bearing torque pins, the transmission of bearing moment of torsion also can be set as required.Under the drive that main shaft 1 drives on top, rotate, by bearing torque pin 11 and the bolt at load cylindrical shell 12 tops, drive 12 rotations of load cylindrical shell, bearing torque pin 11 by load cylindrical shell 12 lower ends drives whole the first slips pedestal 10 and the second slips pedestal 5 rotations again, then the drilling rod or the pipe that drive the first slips pedestal 10 and the second slips pedestal 5 to clamp and lock rotate.What load cylindrical shell 12 tops exceeded rotation oil jacket 2 tops is provided with two blocks 29 in appearance, block 29 blocks rotation oil jacket 2 tops, avoid rotating oil jacket 2 beating on y direction occurs in rotary course, the annular oil groove that rotates oil jacket 2 is alignd with the oil duct junction of load cylindrical shell 12 all the time, keep its sealing.
The upper outside suit of load cylindrical shell 12 is connected with rotation oil jacket 2, the structure that rotation oil jacket 2 is similar shell-like, and its internal diameter equates with load cylindrical shell 12 top external diameters or is slightly larger than its external diameter, suitable can being mutually sealed into.Rotation oil jacket 2, for attractive in appearance and easy for installation, is set to equate with load cylindrical shell 12 lower outer diameter.On the shell of rotation oil jacket 2, be provided with four oil holes of differing heights in ordinate direction, the oil hole respectively oil supply pipe external with connector of the present invention is connected.On the oil hole position of inwall of rotation oil jacket 2, there are four annular oil grooves with the same longitudinal axis height of oil hole, between each oil duct annular groove, be provided with rotatory sealing 25, rotatory sealing 25 is installed in rotatory sealing annular groove.To guarantee the sealing between each oil duct annular groove.Outside the outermost two oil duct annular grooves of oil duct annular groove, be also provided with two rotatory sealings 25, to guarantee the sealing between oil duct annular groove and the external world, certainly for better tightness, also can add to establish rotatory sealing 25.The upper top of described rotation oil jacket 2 is provided with two outstanding positions, a plurality of outstanding positions also can be set certainly as required, on this outstanding position, be connected with respectively lifting bolt 24, this lifting bolt 24 is for connecting rope, the top that rope is connected in main shaft 1 top drive or power swivel on, make when load cylindrical shell 12 is during with main shaft 1 rotation, rotation oil jacket 2 can be fixed with respect to driving or power swivel maintains static on top, thereby is the relation of being association of activity and inertia between load cylindrical shell 12 and oil jacket 2.Certainly, in order to guarantee the relatively fixing of oil jacket 2, can on the top of oil jacket 2 or lateral wall, a plurality of lifting bolts be set.In the ordinate direction of oil jacket 2 topmost with two rotatory sealings bottom more than 25 with below, be respectively arranged with guidance tape 26, described guidance tape 26 is arranged in guidance tape annular groove, guidance tape 26 above and be also provided with below dust ring 27, nethermost dust ring 27 is arranged on the step inwall of rotation oil jacket 2 bottom interior wall, described dust ring 27 is arranged in dust ring annular groove, described rotatory sealing 25, guidance tape 26, dust ring 27 is loop configuration, internal diameter under its reset condition equates with the cylindrical shell external diameter on load cylindrical shell 12 tops, external diameter is with the rotatory sealing annular groove in rotation oil jacket 2, guidance tape annular groove, dust ring annular groove is as the criterion.The oil duct junction in rotation oil jacket 2 outsides connects fueller, hydraulic oil enters in annular oil groove from this oil duct junction, from annular oil groove, enter in the oil duct of load cylindrical shell 12 again, by the oil duct outlet connecting pipe road with its lower end, hydraulic oil is transferred in clamping device or locking device, thereby has met the requirement of the fuel feeding from static fueller to dynamic device.
Annular oil groove on described rotation oil jacket 2 can be arranged on load cylindrical shell 12 equally, as long as can keep the fuel feeding relation of sealing between rotation oil jacket 2 and load cylindrical shell 12.
The first slips pedestal 10 and the second slips pedestal 5 are symmetrical structure, and between the two by 7 connections of shipping and reselling on another market, both close up the approximate column structure of formation one.The first clamping device 3 and the second clamping device 39 are same structure, the first locking device 4 and the second locking device 40 are same structure, the first slips pedestal 10 and the second slips pedestal 5 are symmetrical structure, so be that internal construction or external structure are all identical and mutual pairing, below with the first slips pedestal 10, the structure of the second clamping device 39 and the second locking device 40 is example, and the second slips pedestal 5, the first clamping device 3 and 4 of the first locking devices are identical structure.The first slips pedestal 10 is semicircular column construction, upper inside wall at the first slips pedestal 10 has an annular groove, this annular groove is corresponding with the convex edge of load cylindrical shell 12 lower ends, and can mutually be connected in conjunction with pairing, so that the first slips pedestal 10 can be positioned on load cylindrical shell 12, not come off and be advisable.One bearing torque hole is arranged at the top of the first slips pedestal 10, this bearing torque hole is corresponding with described bearing torque pin 11, when the first slips pedestal 10 and the second slips pedestal 5 close up, bearing torque pin 11 snaps onto in the hole of consigning, define the first slips pedestal 10 or the second slips pedestal 5 must meet in the rotation of load cylindrical shell 12, bearing torque pin 11 transmits the moment of torsion that load cylindrical shell 12 transmits to slips pedestal, thereby drives the rotation of slips pedestal.The groove of the first slips pedestal 10 upper inside wall is connected with the second clamping device 39 below, position at connection second clamping device 39 of the first slips pedestal 10, i.e. the first slips pedestal 10 tubular structure that is tightly connected, or dig out a manhole on the outstanding position of the first slips pedestal 10 of integral body, this tubular structure or through hole are vertical with the center line of the tubular construction that the first slips pedestal 10 merges with the second slips pedestal 5, and the center line of this tubular structure or through hole is parallel with horizontal plane.The inwall of this tubular structure or through hole must be smooth, the cylinder wall of usining as clamping cylinder.This tubular structure of the first slips pedestal 10 or through hole are the cylinder body of clamping cylinder 31.On this tubular structure or through hole, be provided with oil duct, on the oil cylinder collar extension of this oil duct, be connected with control fuel tap door, the cylinder block inwall mouth place of this oil duct is set to clamping cylinder annular oil groove 32 around cylinder block inwall, with these clamping cylinder annular oil groove 32 boundaries, the diameter of one section of the shell direction to the first slips pedestal 10 of clamping cylinder 31 is larger than the diameter of a section of the inwall direction to the first slips pedestal 10 of clamping cylinder 31 walls, to limit the operational limit position of clamping cylinder piston 28.The outside of this tubular structure or through hole has been bolted oil cylinder cover 30, is provided with an oil duct through hole on oil cylinder cover 30, is connected with control fuel tap door on oil duct through hole.In described cylinder block, be provided with clamping cylinder piston 28, described clamping cylinder piston 28 is former column construction, its equal diameters or be slightly less than the diameter of oil cylinder inner wall, and clamping cylinder piston 28 be take oil cylinder as basis, be horizontal arrangement, its length equates with oil cylinder inner wall.One end of the close oil cylinder cover 30 of clamping cylinder piston 28 is set to cavity structure.On clamping cylinder piston 28 external surfaces, be provided with the clamping piston annular oil groove 33 around clamping cylinder piston 28, take this clamping piston annular oil groove 33 is boundary, clamping cylinder piston 28 external diameters of one section of the close oil cylinder cover 30 of clamping cylinder piston 28 are greater than the external diameter away from the clamping cylinder piston 28 of a section of oil cylinder cover 30, the special construction of this clamping cylinder piston 28 coordinates the annular oil groove of oil cylinder inner wall, the range ability of restriction clamping cylinder piston 28.Between the clamping cylinder annular oil groove 32 of the clamping piston annular oil groove 33 of described clamping cylinder piston 28 and clamping cylinder 31 inboard wall of cylinder block, it is a space structures, this space structures and clamping piston annular oil groove 33, locking oil cylinder annular oil groove 32 form clamping oil back chamber 34, in order to control clamping cylinder piston 28 to the movement of the first slips pedestal 10 outer wall directions.On clamping cylinder piston 28, be provided with piston seal 14, described piston seal 14 is arranged at clamping oil back chamber 34 both sides of clamping piston annular oil groove 33.Whole clamping cylinder piston 28 is tightly connected with the inwall formation of clamping cylinder 31 cylinder bodies, and clamping cylinder piston 28 can be free to slide with respect to clamping cylinder 31 inwalls.On one end of the nearly slips base vivo wall of described clamping cylinder piston 28, be connected by screw and clamped pliers tooth base 9, described clamping cylinder piston 28 is provided with a concave inward structure, clamp pliers tooth base 9 and be provided with a projection, make the concave inward structure of clamping cylinder piston 28 obtain protruding mutual corresponding and cooperation with clamping pliers tooth base 9, clamping cylinder piston 28 and clamping pliers tooth base 9 are fixed together.Described clamping pliers tooth base 9 is similar square or rectangular structure, its place being connected with clamping cylinder piston 28 is set to a projection, the place, working position of described clamping pliers tooth base 9 is set to the vertical fringe spacing of certain interval, and whole work plane forms the circular arc of an indent, clamping pliers tooth base tooth or screw thread or the striped of this special construction of the working position of clamping pliers tooth base 9, in order to clamp drilling rod and sleeve pipe, increase its friction and prevent that it from sliding, can certainly have the similar for anti-skidding structure of other.The both sides of described clamping pliers tooth base 9 work planes are respectively arranged with the outstanding structure of rectangle, this outstanding structure and the first slips pedestal 10 are slidably connected in rectangular channel 38, to clamp pliers tooth base 9, can in the rectangular channel 38 of the first slips pedestal 10, be free to slide and be as the criterion, the work plane that makes to clamp pliers tooth base 9 be similar "T"-shaped structure.It is mobile that this rectangular channel 38 comes and goes clamping cylinder piston 28 all the time on horizon, thus protection cylinder block inwall and piston.When the control fuel tap door of controlling on oil cylinder cover 30, hydraulic oil is flow in clamping cylinder from control fuel tap door, thereby make clamping cylinder piston 28 under the effect of hydraulic pressure, promote to clamp pliers tooth base 9 motions, the first slips pedestal 10 coordinates clamping drilling rod or sleeve pipe with the clamping pliers tooth base 9 on the second slips pedestal 5; When controlling the control fuel tap door of clamping cylinder 31 outsides, hydraulic oil is flow in the clamping oil back chamber 34 between clamping cylinder piston 28 and cylinder block inwall from control fuel tap door, sealing due to piston seal 14, make clamping cylinder piston 28 toward oil cylinder cover 30 direction motions, make the interior original hydraulic oil of clamping cylinder 31 discharge simultaneously, thereby drive clamping pliers tooth base 9 to move to the first slips pedestal 10 outer wall directions, the clamping pliers tooth base 9 of the first slips pedestal 10 and the second slips pedestal 5 all moves, and has loosened the clamping to drilling rod or sleeve pipe.
The below of the second clamping device 39 on the first slips pedestal 10 is provided with the second locking device 40, described the second locking device 40 can be arranged at the second clamping device 39 under, also can be arranged in other angle of below of the second clamping device 39, but the second clamping device 39 on the first slips pedestal 10 must be corresponding with the position of the first clamping device 3 on the second slips pedestal 5, and the center line when center line of described the second locking device 40 closes up with the first slips pedestal 5 with the first slips pedestal 10 is vertical.Position at connection second locking device 40 of the first slips pedestal 10, i.e. the first slips pedestal 10 tubular structure that can be tightly connected, or dig out a manhole on the outstanding position of the first slips pedestal 10 of integral body, the center line of the tubular construction after this tubular structure or through hole merge with the second slips pedestal 5 with the first slips pedestal 10 is vertical, and the center line of this tubular structure or through hole is parallel with horizontal plane.The inwall of this tubular structure or through hole must be smooth, the inwall of usining as the second locking device, the cylinder body that this tubular structure of the first slips pedestal 10 or throughhole portions are locking cylinder.On described tubular structure or through hole, be sealedly connected with locking cylinder cylindrical shell 16, between them, by O type circle 21, forming sealing connects, and the junction of locking cylinder cylinder body and locking cylinder cylindrical shell 16 is provided with bayonet type structure, make the sealing performance between locking cylinder cylinder body and locking cylinder cylindrical shell 16 better.The diameter of the inboard wall of cylinder block of described locking cylinder is greater than locking cylinder cylindrical shell 16 and obtains inner diameter, on the locking cylinder cylindrical shell 16 between two size diameter, there is the just like changeover portion of pyramidal structure, the inside diameter of this changeover portion is greater than the diameter of the inwall of locking cylinder cylinder body, but be less than locking cylinder cylindrical shell 16 and obtain inner diameter, and its diameter is increasing gradually in the first slips pedestal 10 inwall directions, forms hypotenuse structure as shown in Figure 3.This hypotenuse coordinates with the hypotenuse of the locking cylinder cylindrical shell 16 of locking cone tight 17, on other one end of described locking cylinder cylindrical shell 16, by bolt seal, is connected with rear end cap 19, between them, by the O type circle 21 being arranged on locking cylinder cylindrical shell 16, seals.On the locking cylinder cylinder body of described the second locking device 40, be provided with oil supply pipe, the entrance of oil supply pipe is connected with control fuel tap door, this oil supply pipe must export, and the oil duct exit of locking cylinder inboard wall of cylinder block is set to annular oil-feed tank 22 around locking cylinder inboard wall of cylinder block.In described the second locking device 40, be provided with localization handspike 13, on described localization handspike 13, be set with locking cylinder piston 15 and conical surface piston 18, this localization handspike 13 comprises the 13b of push rod portion and push rod head 13a, described push rod head 13a is cylindrical structural, this push rod head 13a can be freely movable with respect to locking cylinder inboard wall of cylinder block, and on push rod head 13a, be provided with piston seal 14, make to seal between push rod head 13a and locking cylinder inboard wall of cylinder block.The 13b of push rod portion is a cylinder clavate, on the described push rod 13b of portion, is socketed with respectively conical surface piston 18 and locking cylinder piston 15, and is provided with piston seal 14 on conical surface piston 18 and the 13b of push rod portion linkage section, and the inside of described conical surface piston 18 is through hole.The diameter of through hole coordinates formation hermetically-sealed construction with the diameter of the 13b of push rod portion, this piston seal 14 is arranged on the through-hole wall of conical surface piston 18, equally also can be arranged on push rod head 13a.In described locking cylinder piston 15, be provided with oil duct cavity 35, the profile of described conical surface piston 18 is to be similar to the structure that circular cone body is combined with round platform body, the diameter of the low side of its circular cone body should be greater than the diameter of 35 mouthfuls of the oil duct cavitys of locking cylinder piston 15, prevents that conical surface piston 18 integral body from entering in the oil duct cavity 35 of locking oil cylinder piston 15.The diameter of round platform body is determined according to the concrete shape of locking cone tight 17, but the external diameter of round platform body must be less than the diameter of oil duct cavity 35 inwalls of locking oil cylinder piston 15, to guarantee that round platform portion can freely put in locking cylinder piston 15.On the side of the oil duct cavity 35 of described locking cylinder piston 15, be provided with several through holes, tight 17 for placing locking cone in this through hole, make the locking cone tight 17 can be freely movable in through hole, this through hole is according to the size design of locking cone tight 17.Described locking cone tight 17 is wedge, the face the contacting laminating of this wedge and conical surface piston 18, and with the corresponding cooperation of cone angle of the cone platform of conical surface piston 18, make between locking cone tight 17 and conical surface piston 18 contact tightr.The tapering of the face that described locking cone tight 17 contacts with locking cylinder cylindrical shell 16 inwalls, the corresponding cooperation of angle of taper with locking cylinder cylindrical shell 16 inwall changeover portions, make to contact more closely between locking cone tight 17 and locking cylinder cylindrical shell 16, and locking cone tight 17 is placed in locating hole and is socketed on described locking cylinder cylindrical shell 16 inwalls.Certainly, can adopt the inclined-plane with identical function equally, making locking cone tight 17 and conical surface piston 18 is the identical inclined-plane cooperation of function.Round platform body and circular cone body junction are the place of whole conical surface piston 18 external diameter minimums, are combined with the large end of wedge shape block structured of locking cone tight 17 and just can obtain freely activity of inwall at locking cylinder cylindrical shell 16 in this junction.Between the described push rod 13b of portion socket conical surface piston 18, be also socketed with locking cylinder piston 15, described locking cylinder piston 15 is placed horizontally in locking cylinder cylinder body, on its external surface, be provided with piston seal 14, make to be tightly connected and freely activity between locking cylinder piston 15 and locking cylinder inboard wall of cylinder block.Described locking cylinder piston 15 is socketed the 13b of push rod portion and fits with the push rod head 13a of localization handspike, and the diameter at the external surface of the nearly push rod head 13a of locking cylinder piston 15 is less than the diameter that is provided with piston seal 14 positions, the diameter at the position of the nearly locking cylinder piston 15 of described push rod head 13a is less than the diameter at the position away from locking cylinder piston 15 of push rod head 13a, make to form certain space between the external surface of nearly push rod head 13a of locking cylinder piston 15 and the position of the nearly locking cylinder piston 15 of push rod head 13a, this space is a part for oil back chamber 36.On the inboard wall of cylinder block of locking cylinder, be provided with annular oil-feed tank 22, the push rod head 13a of locking device inwall and space and the annular oil-feed tank 22 between the 13b of push rod portion junction, localization handspike 13 and locking cylinder piston 15 consist of oil back chamber 36, described annular oil-feed tank 22 is all the time in oil back chamber 36.The push rod head 13a of the both sides of described oil back chamber 36 is connected with locking cylinder inner wall sealing respectively with locking cylinder piston 15.Described push rod head 13a and the 13b of push rod portion junction, be provided with the cavity structure of an indent, and making has certain space when the place that localization handspike 13 contacts with locking cylinder piston 15.On described locking cylinder piston 15, be provided with through hole, its diameter is corresponding with the 13b of push rod portion, make the locking cylinder piston 15 suit 13b of push rod portion, and can be relatively freely movable, the external diameter of the diameter of the oil duct cavity 35 of described locking cylinder piston 15 and the round platform body of conical surface piston 18 is corresponding, so that conical surface piston 18 can be freely movable with respect to oil duct cavity 35 inwalls, and on the round platform body side of conical surface piston 18, be provided with piston seal 14, make relative being tightly connected between conical surface piston 18 and oil duct cavity 35 inwalls.On described locking cylinder piston 15, be also provided with release oil duct 20, unimpeded to guarantee oil duct cavity 35 and the supply of the hydraulic oil between oil back chamber 36 of locking cylinder piston 15, be convenient to release.On described locking cylinder cylindrical shell 16 walls, be provided with oil hole, the fuel feeding entrance of described oil hole is provided with control fuel tap door.
The push rod head 13a of described localization handspike 13 is above fixedly connected with pipe elevator 8 by screw, and push rod head 13a connects pipe elevator 8 places and is provided with a concave inward structure, and this concave inward structure is corresponding with the projection of pipe elevator 8, makes the closer of both combinations.The work plane of described pipe elevator 8 is the arc-shaped structure of indent, in this arc-shaped structure, according to this circular arc line, be furnished with a boss, the place, working position of this boss is set to the circular arc of indent, the arc-shaped structure that this circular arc is corresponding and consistent with the diameter of drilling rod or pipe, for blocking drilling rod or pipe.The left and right sides of the work plane of described pipe elevator 8 is the outstanding structure of rectangular configuration, and this outstanding structure is placed in the rectangular channel 38 of the first slips pedestal 10, and pipe elevator 8 can be free to slide with respect to the rectangular channel 38 of the first slips pedestal 10.Rectangular channel 38 horizontal arrangement, make back and forth movement in pipe elevator 8 horizontal direction all the time, thus protection lock locking oil cylinder inboard wall of cylinder block and latching ram, and the hook that pipe elevator 8 can bear drilling rod or sleeve pipe transmission carries.Described the first slips pedestal 10 is interior is provided with corresponding rectangular channel 38 according to clamping the structure of pliers tooth base 9 with pipe elevator 8, makes to clamp pliers tooth base 9 and all can in rectangular channel 38 separately, be free to slide with pipe elevator 8.Described the first slips pedestal 10 is semi-cylindrical in configuration, its inside is hollow structure, facilitate the installation of pipe or drilling rod, clamping pliers tooth base 9 and pipe elevator 8 etc., on the limit of described the first slips pedestal 10 and the second slips pedestal 5 combinations, be provided with the platform of shipping and reselling on another market, ship and resell on another market on platform and be provided with the hole of shipping and reselling on another market, for placing, ship and resell on another market 7, the second slips pedestal correspondence position is provided with the platform of shipping and reselling on another market coordinating with the first slips pedestal 10, ship and resell on another market on platform and be provided with the hole of shipping and reselling on another market, between the first slips pedestal 10 and the second slips pedestal 5, by shipping and reselling on another market, 7 be connected.And the mutual corresponding matching of the platform of shipping and reselling on another market on the first slips pedestal 10 and the second slips pedestal 5.
When needs are locked pipe, control the control fuel tap door on locking cylinder piston barrel 16, hydraulic oil is entered in conical surface piston 18 cavity around, promoting locking cylinder piston 15 moves with conical surface piston 18, conical surface piston 18 promotes locking cone tight 17 and moves, because locking cone tight 17 is corresponding with the angle of locking cylinder cylindrical shell 16 inwall contacts, locking cone tight 17 is corresponding with the angle of conical surface piston 8 contacts, and locking cone tight 17 is close to conical surface piston 18 and locking cylinder cylindrical shell 16 inwalls simultaneously.Thereby locking cylinder piston 15 moves promotion, localization handspike 13 moves, and localization handspike 13 is inferred pipe elevator 8, and the pipe elevator 8 of the first slips pedestal 10 and the second slips pedestal 5 is cooperatively interacted, locking pipe.When needs release, control the control fuel tap door on locking cylinder, hydraulic oil enters in oil back chamber 36, promote locking cylinder piston 15 and move, hydraulic oil enters in release oil duct 20 simultaneously, promotes conical surface piston 18 and moves, the conical surface piston 18 of simultaneously draining hydraulic oil around, pipe elevator 8 in the first slips pedestal 10 and the second slips pedestal 5 moves simultaneously, thereby removes the locking to pipe, can reach the object of release.
On the bottom of described the first slips pedestal 10, be bolted guide cover 6, be convenient to packing into of pipe.
In the time of needs jointed rod and/or pipe, only need be inserted into along the inward flange of guide cover crucial connector inner, while having avoided drilling rod and/or pipe to put into pipe connector, drilling rod and/or pipe are put on the bias, thereby cause the generation deviation of clamp operation and locking operation for clamping or lock.Due to the existence of guide cover, in the time of can making drilling rod and/or pipe put into, accurately put in place.Described the second slips pedestal 5 and the first slips pedestal 10 are symmetry equivalent, so can know as mentioned above the structure of the second slips pedestal 5.Described the first clamping device 3 and the second clamping device 39 are same structure, it can certainly be other similar structure, need only the first clamping device 3 and the second clamping device 39 on 9 pairings of clamping pliers tooth base, and it clamps needed active force device, can adopt other similar mechanism, can realize clamping function, be as the criterion.Described the first locking device 4 and the second locking device 40 are same structure, it can certainly be other similar structure, need only the first locking device 4 and the second locking device 40 on 8 pairings of pipe elevator, and it locks needed active force device, can adopt other similar mechanism, can realize locking function, be as the criterion.
According to the principle of the second clamping device 39, the second locking device 40 also can adopt the structure of the second clamping device 39, be that locking device can adopt the structure that only has oil cylinder equally, suppose the second locking device 40 structure as described in Figure 4, it comprises locking cylinder (being clamping cylinder 31), on the locking cylinder piston of described locking cylinder (being clamping cylinder piston 28), be connected with pipe elevator 8, pipe elevator 8 on the first slips pedestal 10 and the second slips pedestal 5 is worked simultaneously, realizes the object of locking pipe or drilling rod.As described in clamping device 3, between locking cylinder piston (being clamping cylinder piston 28) and locking cylinder (being clamping cylinder 31) inboard wall of cylinder block, be provided with equally oil back chamber, on locking cylinder piston (being clamping cylinder piston 28) and locking cylinder (being clamping cylinder 31) inboard wall of cylinder block, be provided with annular oil groove (being clamping piston annular oil groove 33 and clamping cylinder annular oil groove 32), described annular oil groove belongs to a part for described oil back chamber.Similarly, according to the principle of the second locking device 40, the second clamping device 39 also can adopt the structure of the second locking device 40.The second clamping device 39 as above and the second locking device 40, according to its principle, the first clamping device 3 is identical with the second clamping device 39 structures, and certain the first clamping device 3 also can be identical with the second locking device 40 structures; The first locking device 4 is identical with the second locking device 40 structures, and certain the first locking device 3 also can be identical with the second clamping device 39 structures.
Pipe connector of the present invention, in use, first in driving with top by main shaft 1 or moving, water tap is connected, then integral body is transferred, by controlling to locking device for hydraulic pressure, the first slips pedestal 10 is coordinated with the pipe elevator 8 in the second slips pedestal 5, locking drilling rod or sleeve pipe, thereby mention drilling rod or sleeve pipe, when needs link closely or when spinner, only need to control to clamping device for hydraulic pressure, thereby the first slips pedestal 10 is coordinated drilling rod or sleeve pipe clamping with the clamping pliers tooth base 9 in the second slips pedestal 5, measure-alike due to the position relationship longitudinally between clamping device in pipe connector and locking device and drilling rod or sleeve pipe junction, make clamping device can clamp the correspondence position of drilling rod or sleeve pipe, owing to clamping pliers tooth base 9, be provided with special clamping pliers tooth base tooth or screw thread or striated structure, make when whole pipe connector rotates, make to clamp the more and more tightr of combination between pliers tooth base 9 and drilling rod or sleeve pipe, thereby provide moment of torsion to drilling rod or sleeve pipe, make between drilling rod or sleeve pipe and pipe connector relative static, drilling rod or sleeve pipe rotate together with pipe connector.When needs are transferred drilling rod or sleeve pipe, only need loosen clamping device to putting the clamping of drilling rod or sleeve pipe, descend again caving to drive or power swivel and pipe connector, by other device, block drilling rod or sleeve pipe, loosen the locking of locking device to drilling rod or sleeve pipe.Whole operation is very simple, and Stability Analysis of Structures, is adapted at petroleum drilling and mining field and promotes.Pipe connector of the present invention, is not used other facility just can complete fast and mention and transfer drilling rod, and completes the upper button of drilling rod and link closely, and can complete the pipe connector of casing job simultaneously.
The pipe connector of structure of the present invention, when installing, first rotation oil jacket 2 parts inner with it are arranged on load cylindrical shell 12, again main shaft 1 is passed from load cylindrical shell 12 bottoms, and be fixed on load cylindrical shell 12 tops, the second clamping device 39 and the second locking device 40 in the first slips pedestal 10 are installed respectively again, the first clamping device 3 of the second slips pedestal 5 and the parts in the first locking device 4, by being installed, the first slips pedestal 10 is connected with the convex edge of load cylindrical shell 12 with the second slips pedestal 5, and connect with bearing torque finger setting, to ship and resell on another market again and put in the hole of shipping and reselling on another market, the first slips pedestal 10 and the second slips pedestal 5 are linked together, finally on the first slips pedestal 10 and the second slips pedestal 5 bottoms, guide cover 6 is installed respectively again, this pipe connector has been assembled.
Pipe connector of the present invention, its inner pipe elevator 8 all can be changed with clamping pliers tooth base 9, so the connection of the pipe of its applicable different size.When choosing pipe elevator 8 and clamping after pliers tooth base 9, pipe connector has been assembled, can by steel wire cable select oil jacket 2 to be connected to that top is driven or power swivel on, the oil supply pipe between each oil-feed port is connected, can use this pipe connector.The present invention is simple in structure, easy to operate, can mention fast and transfer bull stick or sleeve pipe, does not use other facility just can complete fast and mention and transfer drilling rod, and completes the upper button of drilling rod and link closely, and can complete casing job simultaneously.Being adapted at field of petroleum exploitation promotes.
Certainly according to the structural principle of the present embodiment, slips pedestal can be designed to in the first slips pedestal 10 or the second slips pedestal 5, any is fixed on the convex edge of load cylindrical shell, the mechanism that another can freely rotate, make to be convenient to check the inside of slips pedestal, same principle, as long as can adopt similar structure can realize its basic function.
According to the principle of first, second slips pedestal combination, monolithic slips pedestal can be designed to the structure that three slips pedestals close up, so the slips pedestal closing up can comprise that slips pedestal 1, slips pedestal 2 and 3, three slips pedestals of slips pedestal are identical structure by three slips pedestals.The slips pedestal 1 of take illustrates the structure of this slips pedestal as example, slips pedestal 1 outside be similar 1/3rd cylinders structure, its top view is the fan-shaped of 120 degree angles, on slips pedestal 1 side, be provided with clamping device and locking device, the topology layout as above of clamping device and locking device, the upper inner of slips pedestal 1, be provided with the groove corresponding with the convex edge of load cylindrical shell lower end, on the top of slips pedestal 1, be provided with the consign hole corresponding with bearing torque pin, on the bottom of slips pedestal 1, be connected with guide cover 6.The structure of slips pedestal 2 and slips pedestal 3 is identical with slips pedestal 1, and between three slips pedestals by the connection of shipping and reselling on another market, three slips pedestals combine and form with whole slips pedestal.Its basic principle is with the slip spider body structure described in embodiment 1.
As mentioned above, connector of the present invention, its slips pedestal can also be designed to four slips pedestals and close up formation monolithic slips pedestal, is connected to load cylindrical shell 12 lower ends, plays identical function.As long as can realize similarly the slips pedestal of its function, no matter it is designed to how many, closes up and all can.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a pipe connector, comprise main shaft (1), it is characterized in that: on described main shaft (1), be connected with load cylindrical shell (12), on described load cylindrical shell (12), be set with rotation oil jacket (2), the lower end of described load cylindrical shell (12) is connected with the first slips pedestal (10), the lower end of described load cylindrical shell (12) is connected with the second slips pedestal (5), described the first slips pedestal (10) can close up and be used in conjunction with the second slips pedestal (5), on described the first slips pedestal (10), be provided with the second clamping device (39) and the second locking device (40), on described the second slips pedestal (5), be provided with the first clamping device (3) and the first locking device (4).
2. pipe connector as claimed in claim 1, it is characterized in that: described the first clamping device (3) or the second clamping device (39) comprise clamping cylinder (31), on the clamping cylinder piston (28) of described clamping cylinder (31), be connected with and clamp pliers tooth base (9).
3. pipe connector as claimed in claim 2, it is characterized in that: between the inboard wall of cylinder block of described clamping cylinder (31) and clamping cylinder piston (28), be provided with and clamp oil back chamber (34), described clamping oil back chamber (34) comprises the clamping cylinder annular oil groove (32) on the inboard wall of cylinder block that is arranged at clamping cylinder (31) and is arranged at the clamping piston annular oil groove (33) in clamping cylinder piston (28) outside.
4. pipe connector as claimed in claim 2, it is characterized in that: described the first locking device (4) or the second locking device (40) comprise locking cylinder cylindrical shell (16), on described locking cylinder cylindrical shell (16), be connected with back shroud (19), the inside of described locking cylinder cylindrical shell (16) is provided with localization handspike (13), on described localization handspike (13), be set with locking cylinder piston (15) and conical surface piston (18), in described locking cylinder piston (15), be provided with oil duct cavity (35), on the side of described oil duct cavity (35), be provided with locating hole, in described locating hole, be provided with locking cone piece (17), inclined-plane or the cone match of described locking cone piece (17) and conical surface piston (18), and be socketed on described locking cylinder cylindrical shell (16) inwall, on described localization handspike (13), be connected with pipe elevator (8).
5. pipe connector as claimed in claim 4, it is characterized in that: between the inwall of described the first locking device (4) or the second locking device (40), locking cylinder piston (15) and localization handspike (13), be provided with oil back chamber (36), described oil back chamber (36) comprises the annular oil-feed tank (22) on the inwall that is arranged at the first locking device (4) or the second locking device (40), is provided with the release oil duct (20) that is communicated with oil duct cavity (35) and oil back chamber (36) on described locking cylinder piston (15).
6. pipe connector as claimed in claim 1, it is characterized in that: the inwall of described rotation oil jacket (2) is provided with annular oil groove (37), the oil duct junction of the oil duct that described annular oil groove (37) is interior with being arranged at load cylindrical shell (12) is corresponding, and the top of described rotation oil jacket (2) is connected with lifting bolt (24).
7. the pipe connector as described in any one in claim 1 to 6, it is characterized in that: described the first slips pedestal (10) and the second slips pedestal (5) are connected on the convex edge of load cylindrical shell (12) lower end, and the first slips pedestal (10) and the second slips pedestal (5) are located by connecting by bearing torque pin (11) and load cylindrical shell (12).
8. the pipe connector as described in claim 4 or 5, it is characterized in that: on the inwall of described the first slips pedestal (10) and the second slips pedestal (5), be provided with rectangular channel (38), described clamping pliers tooth base (9) is arranged at respectively in rectangular channel (38) and with respect to freely activity of rectangular channel (38) with pipe elevator (8).
9. the pipe connector as described in any one in claim 1 to 6, is characterized in that: described the first slips pedestal (10) is connected with guide cover (6), and the lower end of described the second slips pedestal (5) is connected with guide cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010239658.XA CN101906942B (en) | 2010-07-29 | 2010-07-29 | Pipe connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010239658.XA CN101906942B (en) | 2010-07-29 | 2010-07-29 | Pipe connector |
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| Publication Number | Publication Date |
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| CN101906942A CN101906942A (en) | 2010-12-08 |
| CN101906942B true CN101906942B (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010239658.XA Expired - Fee Related CN101906942B (en) | 2010-07-29 | 2010-07-29 | Pipe connector |
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| CN (1) | CN101906942B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573196A (en) * | 2012-07-25 | 2014-02-12 | 蔡国辉 | Project drill pipe fastening connection method and device |
| CN103008400A (en) * | 2012-12-03 | 2013-04-03 | 太原重工股份有限公司 | Telescopic rotating hydraulic device and hydraulic locking device |
| CN108612497A (en) * | 2018-04-27 | 2018-10-02 | 中国石油集团渤海钻探工程有限公司 | A kind of screw drill prevents anti-twisted tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1204379A (en) * | 1995-12-09 | 1999-01-06 | 石油管井系统有限公司 | Tubing connector |
| CN2542821Y (en) * | 2002-06-10 | 2003-04-02 | 程智敏 | High-strength self-locking slip type casing patching device |
| US20060060349A1 (en) * | 2002-02-19 | 2006-03-23 | Duhn Rex E | Wellhead isolation tool and method of fracturing a well |
| US7419008B2 (en) * | 2006-04-29 | 2008-09-02 | Campisi Frank J | Power slip |
| CN201474636U (en) * | 2009-07-30 | 2010-05-19 | 无锡金帆钻凿设备有限公司 | Shackle device |
| CN201738829U (en) * | 2010-07-29 | 2011-02-09 | 四川宏华石油设备有限公司 | Pipe connector |
-
2010
- 2010-07-29 CN CN201010239658.XA patent/CN101906942B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1204379A (en) * | 1995-12-09 | 1999-01-06 | 石油管井系统有限公司 | Tubing connector |
| US20060060349A1 (en) * | 2002-02-19 | 2006-03-23 | Duhn Rex E | Wellhead isolation tool and method of fracturing a well |
| CN2542821Y (en) * | 2002-06-10 | 2003-04-02 | 程智敏 | High-strength self-locking slip type casing patching device |
| US7419008B2 (en) * | 2006-04-29 | 2008-09-02 | Campisi Frank J | Power slip |
| CN201474636U (en) * | 2009-07-30 | 2010-05-19 | 无锡金帆钻凿设备有限公司 | Shackle device |
| CN201738829U (en) * | 2010-07-29 | 2011-02-09 | 四川宏华石油设备有限公司 | Pipe connector |
Non-Patent Citations (2)
| Title |
|---|
| 覃铁生.牙轮钻机钻杆螺纹连接结构的改进.《矿山机械》.1990,(第1期),56. * |
| 黄自强.对钻井工作的一个设想——用快速钻杆接头取代锥管螺纹接头.《石油机械》.1987,第15卷(第9期),34-36. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101906942A (en) | 2010-12-08 |
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