CN104975810B - Card fully mechanical outer casing top drive apparatus - Google Patents

Card fully mechanical outer casing top drive apparatus Download PDF

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Publication number
CN104975810B
CN104975810B CN 201510410640 CN201510410640A CN104975810B CN 104975810 B CN104975810 B CN 104975810B CN 201510410640 CN201510410640 CN 201510410640 CN 201510410640 A CN201510410640 A CN 201510410640A CN 104975810 B CN104975810 B CN 104975810B
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slip
outer
cylinder
provided
threaded sleeve
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CN 201510410640
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Chinese (zh)
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CN104975810A (en )
Inventor
潘志伟
彭广盛
姜海成
程友
韩靖
遇广富
孙华
刘洋
谭策
徐萌
许岩峰
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黑龙江北方双佳钻采机具有限责任公司
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Abstract

全机械式外卡顶驱下套管装置涉及石油机械,心轴(14)的外围设有用于卡紧套管(17)外壁的锁紧装置,锁紧装置包括卡瓦内筒(9)、卡瓦外筒和卡瓦楔块(11),心轴(14)上端与上接头(1)连接处设有上螺纹套(3),卡瓦内筒(9)上端设有下螺纹套(4),卡瓦楔块(11)外侧设有带有导引斜面的楔块体(18),卡瓦外筒内壁设有带有导引斜面的导引凹槽,卡瓦外筒上端与上接头(1)连接,卡瓦楔块(11)置于卡瓦内筒(9)筒壁的窗口内,其外侧的楔块体(18)嵌在卡瓦外筒的导引凹槽内,且卡瓦楔块(11)与卡瓦内筒(9)之间设有复位弹簧(10)。 An outer peripheral card fully mechanical top drive casing device according petroleum mechanical mandrel (14) is provided for clamping the sleeve (17) of the outer wall of the locking device, the locking means comprises a slip inner cylinder (9), slip and slip wedge outer cylinder (11), the spindle (14) on the upper end fitting (1) is provided with a threaded sleeve connection (3), the upper end of the inner tube slips (9) provided with a lower threaded sleeve ( 4), the slip wedge (11) is provided outside of the wedge body (18) with a guide slope of the outer cylinder wall is provided with slip guide groove with a guide slope, the upper end of the outer cylinder and the slip the joint (1) is connected to the slip wedge (11) disposed within the slip cylinder (9) the inner tubular wall of the window, the outer side of the wedge body (18) fitted in the guide groove of the outer tube slips is provided with a return spring (10), and the slip between the wedge (11) and the inner cylinder slips (9). 它具有结构合理、操作简单方便、载荷大、安全可靠及高效的优点。 It has a reasonable structure, simple operation, a large load, efficient and reliable advantages.

Description

全机械式外卡顶驱下套管装置 Card fully mechanical outer casing top drive apparatus

技术领域 FIELD

[0001] 本发明涉及石油机械,具体涉及一种全机械式外卡顶驱下套管装置。 [0001] The present invention relates to a mechanical oil, particularly relates to a fully mechanical external card top drive casing means.

背景技术 Background technique

[0002] 顶驱下套管装置是一种基于顶部驱动钻井系统、用于下套管作业的全机械式装置。 [0002] The top drive casing means is based on a top drive drilling system, fully mechanical device for casing operations. 它可以不依赖于液压系统,具有安装方便快捷的优点,可以大大节省设备成本。 It can not rely on a hydraulic system, having the advantage of quick and easy installation, can greatly reduce equipment costs. 申请号为201320856096.2的中国发明专利申请公开了一种机械式顶驱下套管装置,采用内卡的方式与套管连接,该连接方式向外胀开卡紧套管,可能造成较大的形变,其尺寸受套管内径限制,其承受拉力的能力也受到限制,存在套管从下套管装置中滑脱的可能性。 Of Chinese Application No. 201320856096.2 patent application discloses a mechanical top drive casing means, the embodiment uses the card connector with the sleeve, the connection bulging outwardly open clamping sleeve, can cause larger deformation sized restricted by casing diameter, its ability to withstand tensile force is also limited, there is a possibility of slipping off the sleeve from the sleeve means.

发明内容 SUMMARY

[0003] 本发明所要解决的技术问题是:提供一种结构合理、安全可靠的全机械式外卡顶驱下套管装置。 [0003] The present invention solves the technical problem are: to provide a reasonable structure, safe and reliable external card fully mechanical top drive casing means.

[0004] 本发明的技术解决方案是:它包括上接头和心轴,心轴上端与上接头连接,下端设有密封皮碗和引锥,所述心轴的外围设有用于卡紧套管外壁的锁紧装置,该锁紧装置包括卡瓦内筒、卡瓦外筒和卡瓦楔块,心轴上端与上接头连接处设有上螺纹套,卡瓦内筒上端设有与上螺纹套相配合的下螺纹套,上螺纹套与下螺纹套相对转动时可带动卡瓦内筒轴向运动,卡瓦内筒环筒壁开有若干窗口,卡瓦楔块内侧设有卡瓦牙,外侧设有带有导引斜面的楔块体,卡瓦外筒内壁设有与楔块体相配合的带有导引斜面的导引凹槽,卡瓦外筒套在卡瓦内筒外,卡瓦外筒上端与上接头连接,卡瓦楔块置于卡瓦内筒筒壁的窗口内,其外侧的楔块体嵌在卡瓦外筒的导引凹槽内,且卡瓦楔块与卡瓦内筒之间设有径向的用于将卡瓦楔块推向外侧的复位弹簧,当卡瓦内筒和卡瓦外筒 [0004] The technical solution of the invention is that: it comprises a linker and the mandrel, the mandrel end and a linker primer and a lower end provided with a sealing cup cone, the periphery of the mandrel provided with a clamping sleeve the outer wall of the locking device, the locking device comprises an inner cylinder slips, slip wedges and slip outer cylinder, mandrel at the end of the header provided with the threaded sleeve, the upper end of the inner tube is provided with slip threads lower threaded sleeve cooperating sleeve, the inner cylinder can be driven by the axial movement of the slips when the threaded sleeve and the threaded sleeve relative rotation, the inner ring slips cylindrical tubular wall provided with a number window, kava kava wedge with the inner teeth , with the guide slope provided on the outside of the wedge body, the outer cylinder wall is provided with slip wedge member cooperates with a guide groove guiding inclined plane, kava kava outer cylinder encircling the inner cylinder , the upper end of the outer tube is connected to the slip joint, kava kava wedge disposed within the inner cylindrical wall of the cylindrical window, the outer side of the wedge body fitted in the guide groove of the outer tube slip and slip wedge It provided for radially between the cylinder block and the inner kava kava wedge towards the outside of the return spring, and when the slip cylinder inner and outer slip 间相对轴向移动时,卡瓦楔块做径向移动,从而卡紧或松开套管。 When relative axial movement between the slips move radially wedge made to loosen or clamping sleeve.

[0005] 本发明的技术效果是:它具有结构合理、操作简单方便、载荷大、安全可靠及高效的优点。 [0005] Technical effects of the invention are: that it has a reasonable structure, simple operation, a large load, efficient and reliable advantages.

[0006]利用全机械式外卡顶驱下套管装置作业,可以减少复杂情况的发生,可以自动将上扣动作分解为低扭矩旋扣和大扭矩上扣,保护套管螺纹不受伤害,省去了传统的液压式顶驱下套管装置需配备液压源带来的麻烦,极大地提高了下套管作业的效率和质量。 [0006] With the card fully mechanical outer casing top drive apparatus operations, can reduce the incidence of complications, the fastening operation can be automatically decomposed into a spinner buckle low torque and high torque, protected from harm threaded sleeve, eliminating the traditional hydraulic top drive casing to be equipped with means to bring trouble hydraulic pressure source, greatly improves the efficiency and quality of the casing operation.

[0007]能充分发挥顶驱钻井的所有优点,在下套管作业过程中可同时实现套管柱的旋转(旋转下套管)、提放、灌浆、循环泥浆及套管试压作业;全机械式结构不需配置液压源及液压管线,只需顶驱的旋转运动即可实现操作,结构简单操作方便,减少设备故障和避免了作业现场漏油造成的环境污染;消除了套管从下套管装置中滑脱的可能性;能提高下套管生产效率,提高安全性,增强了下套管作业的自动化程度;还可配置智能化监控系统,实现智能化下套管作业。 [0007] All can give full play to the advantages of the top drive drilling, the lower casing operation can be achieved simultaneously during the rotation of the casing string (rotating casing), put up, filling, circulating mud pressure test and casing operations; fully mechanical structure without a hydraulic pressure source and a hydraulic line configuration, only the rotational movement of the top drive operation can be realized, easy to operate simple structure, reduced equipment failures and avoid environmental pollution caused by oil spills job site; eliminated from the sleeve casing the possibility of slipping the tube means; casing can improve production efficiency, improve security, enhanced automation casing operations; also configure intelligent monitoring system, the intelligent operation sleeve.

附图说明 BRIEF DESCRIPTION

[0008]图1为本发明的剖视结构示意图; [0008] Fig 1 a schematic cross-sectional view of the structure of the present invention;

[0009] 图2为图1A-A截面结构示意图; [0009] FIG. 2 is a schematic structural diagram 1A-A sectional view;

[0010] 图3为图1B-B截面结构示意图; [0010] FIG. 3 is a cross-sectional structural diagram of FIG. 1B-B;

[0011]图4为图1C-C截面结构示意图; [0011] FIG. 4 is a schematic structural diagram 1C-C cross-sectional view;

[0012]图5为本发明端面凸轮展开图。 [0012] FIG 5 the end face cam development view of the present invention.

具体实施方式 detailed description

[0013] 如图1至5所示,它包括上接头I和心轴14,心轴14上端与上接头I连接,下端设有密封皮碗15和引锥16,所述心轴14的外围设有用于卡紧套管17外壁的锁紧装置,该锁紧装置包括卡瓦内筒9、卡瓦外筒和卡瓦楔块11,心轴14上端与上接头I连接处设有上螺纹套3,卡瓦内筒9上端设有与上螺纹套3相配合的下螺纹套4,上螺纹套3与下螺纹套4相对转动时可带动卡瓦内筒9轴向运动,卡瓦内筒9环筒壁开有若干窗口,卡瓦楔块11内侧设有卡瓦牙12,外侧设有带有导引斜面的楔块体18,卡瓦外筒内壁设有与楔块体18相配合的带有导引斜面的导引凹槽,卡瓦外筒套在卡瓦内筒9外,卡瓦外筒上端与上接头I连接,卡瓦楔块11置于卡瓦内筒9筒壁的窗口内,其外侧的楔块体18嵌在卡瓦外筒的导引凹槽内,且卡瓦楔块11与卡瓦内筒9之间设有径向的用于将卡瓦楔块11推向外侧的复位弹簧1 [0013] 1 to 5, which includes the joint I and the spindle 14, the upper end of the spindle 14 and the upper joint connection I, a lower end provided with a sealing cone 16 and a primer cup 15, the periphery of the mandrel 14 is provided with locking means for clamping the outer wall of the sleeve 17, the locking means comprises an inner cylinder 9 slips, slip wedges and slip the outer cylinder 11, the upper end of the spindle 14 and the upper joint connection is provided with threads I sleeve 3, the upper end of the slip cylinder 9 is provided on the threaded sleeve and the threaded sleeve 3 cooperating 4, the threaded sleeve 3 when the relative rotation of the threaded sleeve 4 may be driven by the axial movement of the inner cylinder 9 slips, the slips cylinder 9 provided with a number of annular cylindrical wall of the window, kava kava wedge 11 is provided with inner teeth 12, provided on the outside with a guide slope of the wedge member 18, the slip 18 is provided with an outer cylinder wall and the wedge body fitting guide groove with the guide slope, kava kava outer cylindrical sleeve within the outer cylinder 9, the upper end of the outer tube slip joint connected to the I, kava kava wedge 11 disposed within the cylinder tube 9 the inner wall of the window, the outer side of the wedge body 18 fitted in the guide groove of the outer tube slip and slip wedge 11 and the slips 9 is provided between the radially inner barrel slip wedge for block 11 toward the outside of the return spring 1 0,当卡瓦内筒9和卡瓦外筒之间相对轴向移动时,卡瓦楔块11做径向移动,从而卡紧或松开套管17。 0, when the relative axial movement between the slips and the slips 9 within the tubular outer cylinder, made slip wedge 11 to move radially, so as to hold or release sleeve 17.

[0014] 所述下螺纹套4的上端面和上螺纹套3外壁上部或上接头I的下端面设有相配合的端面凸轮,用于在下螺纹套4上行至顶位时起锁止作用。 [0014] The lower end surface of the threaded sleeve 4 and upper sleeve 3 or the outer wall of the threaded joint is provided with a lower end cooperating I end face cam, the lock plays a role when the lower threaded sleeve 4 up to the top position.

[0015] 所述卡瓦外筒可转动地固定在上接头I上,且卡瓦外筒与所述卡瓦内筒9间设有使二者只能做轴向位移的键槽连接。 [0015] The outer cylinder slips rotatably fixed to the upper joint I, and the slips 9 is connected to the outer cylinder the inner cylinder is provided with the slip so that the two axially displaceable only keyway.

[0016] 所述卡瓦内筒9和下螺纹套4通过下螺纹套压帽8连接,下螺纹套4下段的外壁设有台肩,下螺纹套压帽8套在该台肩处,下螺纹套4与下螺纹套压帽8连接的台肩面处设有碟簧I。 [0016] The inner cylinder 9 and the lower slips threaded sleeve 4 is connected via the pressure cap threaded sleeve 8, the outer wall of the lower section 4 is provided with a shoulder at the threaded sleeve, the threaded sleeve 8 press cap sleeve at the shoulder, the threaded sleeve 4 is provided with a shoulder face of the disc spring is connected to the threaded sleeve stage pressure cap 8 I.

[0017] 所述下螺纹套4和下螺纹套压帽8之间设有使二者只能做轴向位移的键槽连接。 [0017] The lower threaded sleeve is provided only so that the two axially displaceable connection between the key groove 4 and the lower pressure cap threaded sleeve 8.

[0018] 所述卡瓦外筒由上筒体2、中筒体6和下筒体13构成,上筒体2固定在上接头I上,中筒体6通过挡环5及环槽可转动地连接在上筒体2上,下筒体13固定在中筒体6上。 [0018] The slip outer cylinder 2, the cylinder 6 and the lower cylindrical body 13 is constituted by a cylindrical body, the cylindrical body 2 fixed to the upper joint I, the rotatable cylinder 6 by a retaining ring and ring groove 5 connected to the upper cylinder 2, the cylinder body 13 is fixed in the cylindrical member 6.

[0019] 所述中筒体6内壁和卡瓦内筒9间设有使二者只能做轴向位移的键槽连接。 [0019] In the cylindrical inner wall 6 and the inner cylinder 9 is provided so that the slips can do both axial displacement connector keyway.

[0020] 结构与工作原理:上接头I通过螺纹与上筒体2和上螺纹套3相连接,上螺纹套3通过多头螺纹和其端面的凸轮(棘齿结构)与下螺纹套4相连,凸轮轮廓曲线与多头螺纹配合,实现当上螺纹套3正转时远离下螺纹套4,反转时接近下螺纹套4,并在反转到达起点时由凸轮的停止平面实现上螺纹套3相对于下螺纹套4的刚性停止,从而实现了把顶驱的旋转运动转化为下螺纹套4及其所连接部件的轴向运动;下螺纹套4通过下螺纹套压帽8和碟簧7与卡瓦内筒9相连实现扭矩的传递,通过蝶簧7的变形,可以起到自动锁紧的作用;上筒体2通过挡环5与中筒体6相连,中筒体6通过螺纹与下筒体13相连;卡瓦楔块11与卡瓦牙12组成卡瓦(可以是整体或分体结构)装配在卡瓦内筒9上的窗口内,卡瓦楔块11上的斜面与下筒体13上的对应斜面配合实现当卡瓦内筒9相对于下筒体13下移时,卡瓦径 I linker is connected via threads to the cylinder 2 and the upper 3 is connected to the threaded sleeve, the threaded sleeve 3 by the cam and the end face of multiple threads (ratchet structures) of the threaded sleeve 4 on: [0020] The structure and working principle cam profile with a multiple thread and, when implemented on the threaded sleeve 3 forward away from the lower threaded sleeve 4, close to the lower threaded sleeve 4 is reversed, and the reverse rotation start point reaches the opposite stop cam on the plane of the threaded sleeve 3 to achieve at threaded sleeve rigid stop 4, thus achieving a rotational movement of the top drive into the threaded sleeve 4 and the axial movement of the connecting member; lower threaded sleeve threaded sleeve 4 by the following press cap 7 and 8 and the disc spring slips connected to the inner cylinder 9 to achieve transmission of torque, the deformation of the torsion spring 7, the automatic locking can play a role; 6 is connected to the barrel by the retaining ring 5 and the cylinder 2, the cylinder 6 by a screw with the lower connected to the cylindrical body 13; 11 slips and the slip wedge teeth 12 slip composition (which may be integral or separate structure) to fit within a window on the slips 9 within the cylinder, and the lower inclined surface on slip wedge 11 cylinder corresponding inclined plane 13 on the body with the realization of the inner cylinder 9 when the slip downward relative to the lower cylinder 13, the slips diameter 内收卡紧套管17,从而实现扭矩和上提力的传递,并且由于采用外卡方式卡紧套管17,卡紧面直径小于接箍19外径,因此消除了套管17从下套管装置中滑脱的可能性;作业时,接箍19处采用护丝20连接保护,并且在心轴插入套管过程中给引锥16和密封皮碗15提供对中导向。 Adduction clamping sleeve 17, thereby transmitting torque and achieve the lifting force, since the use of a wild card mode and the tightening sleeve 17, chuck surface diameter is less than the outer diameter of collar 19, thus removing the sleeve 17 from the sleeve the possibility of slipping the tube means; job, using the protective collar 20 is connected at thread protector 19 and the cannula during insertion of the mandrel to the cone 16 and the lead sealing collar 15 provided on the guide. 并可通过护丝20与下螺纹套4间采用卡嵌连接实现扭矩传递;心轴14中间有水眼,上端通过螺纹与上接头I相连,下端通过螺纹与密封皮碗15和引锥16相连实现套管17内径与外部的封隔密封从而实现灌浆、循环和套管试压的功能。 And the threaded sleeve 20 and using 4-engagement via thread protectors torque transmission; intermediate spindle 14 has a water hole, an upper end threadedly connected to upper joint I, and the lead 15 is connected to the lower end by a threaded cone 16 and cup seal achieve packer sleeve 17 and the inner diameter of the outer seal to achieve filling, circulation and pressure test the function of the sleeve.

[0021] 本发明是一种基于顶部驱动钻井系统、用于下套管作业的全机械式装置。 [0021] The present invention is based on a top drive drilling system, fully mechanical device for casing operations. 该装置上端与顶驱主轴或浮动接头相连接,可以通过顶驱传动精确控制下套管作业时套管的上扣扭矩;采用特殊的结构设计下端只需通过顶驱主轴的正/反旋转运动驱动卡瓦复位/张开,进而松开/卡紧套管,以传递旋转及提升载荷,完成上扣及提放套管及旋转下套管动作。 The upper end of the apparatus with the top drive spindle or floating joints are connected, you can drive up torque transmission sleeve of the sleeve under precisely controlled by the top job; special structural design simply by the lower end of the positive / reverse rotation motion of the top drive spindle drive slip reset / open and thus release / clamping sleeve, and the rotation is transmitted to the hoisted load, buckle and put up the sleeve and the rotary sleeve on completion of the operation. 该装置采用自封式皮碗密封套管,可以在下套管作业的同时随时灌注泥浆,也可在套管遇阻时及时循环泥浆,以减少或避免复杂事故的发生,同时具备套管试压功能。 The device uses a cup seal the puncture cannula, the cannula and can work at any time following perfusion mud circulating mud can be promptly meet resistance in the sleeve, to reduce or avoid the occurrence of accidents complex, while the sleeve includes a pressure test function .

Claims (7)

  1. 1.全机械式外卡顶驱下套管装置,包括上接头(I)和心轴(14),心轴(14)上端与上接头(I)连接,下端设有密封皮碗(I5)和引锥(16),其特征在于,所述心轴(14)的外围设有用于卡紧套管(17)外壁的锁紧装置,该锁紧装置包括卡瓦内筒(9)、卡瓦外筒和卡瓦楔块(II),心轴(14)上端与上接头(I)连接处设有上螺纹套(3),卡瓦内筒(9)上端设有与上螺纹套(3)相配合的下螺纹套(4),上螺纹套(3)与下螺纹套(4)相对转动时可带动卡瓦内筒(9)轴向运动,卡瓦内筒(9)环筒壁开有若干窗口,卡瓦楔块(II)内侧设有卡瓦牙(12),外侧设有带有导引斜面的楔块体(18),卡瓦外筒内壁设有与楔块体(18)相配合的带有导引斜面的导引凹槽,卡瓦外筒套在卡瓦内筒(9)外,卡瓦外筒上端与上接头(I)连接,卡瓦楔块(II)置于卡瓦内筒(9)筒壁的窗口内,其外侧的楔块体(18)嵌在卡瓦外筒的导引凹槽内,且卡瓦楔块 1. card fully mechanical outer casing top drive apparatus comprising a fitting (I) and the spindle (14), the upper end of the mandrel (14) linker (I) is connected to the lower end of a sealing cup (I5) and lead cone (16), characterized in that the periphery of the mandrel (14) is provided for clamping the sleeve (17) of the outer wall of the locking means, the locking means comprises an inner barrel slips (9), card W slips wedge outer cylinder and (II), the mandrel (14) on the upper end fitting (I) is provided at a threaded connection sleeve (3), the upper end of the inner tube slips (9) is provided with a threaded sleeve ( 3) mating the threaded sleeve (4), the threaded sleeve (3) and a lower threaded sleeve (4) can drive the slips relative rotation of the inner cylinder (9) axial movement of the inner cylinder slips (9) cylindrical ring there are several window wall opening, slip wedge (II) is provided inside the slip elements (12), provided with outer wedge member (18) with a guide slope of the outer cylinder wall is provided with slip wedge member (18) cooperating with the guide groove of the guide slope, kava kava outer cylinder encircling the inner cylinder (9), the upper end of the slip joint and the upper outer cylinder (I) is connected to the slip wedge ( II) disposed within the slip cylinder (9) the inner tubular wall of the window, the outer side of the wedge body (18) fitted in the guide groove of the outer tube slip and slip wedge (11)与卡瓦内筒(9)之间设有径向的用于将卡瓦楔块(11)推向外侧的复位弹簧(10),当卡瓦内筒(9)和卡瓦外筒之间相对轴向移动时,卡瓦楔块(11)做径向移动,从而卡紧或松开套管(17),并在上扣的过程中可以自动将上扣动作分解为低扭矩旋扣和大扭矩上扣。 Is provided between (11) and the inner cylinder slips (9) for the radial slip wedge (11) towards the outside of the return spring (10), when the slip cylinder (9) and an outer slip when relative axial movement between the barrel, the slip wedge (11) to make radial movement, thereby clamping or releasing the sleeve (17), and the button operation can be automatically decomposed into low torque during the makeup spinner and torque buckle.
  2. 2.如权利要求1所述的全机械式外卡顶驱下套管装置,其特征在于,所述下螺纹套(4)的上端面和上螺纹套(3)外壁上部或上接头(I)的下端面设有相配合的端面凸轮,用于在下螺纹套上行至顶位时起锁止作用。 (3) or on the upper outer joint (I 2. as claimed in claim outer fully mechanical drive according to one card top casing means, characterized in that the lower end surface of the threaded sleeve (4) and on the threaded sleeve ) cooperating with the lower end face cam, a locking effect when the sleeve from the top row to the next bit threads.
  3. 3.如权利要求1所述的全机械式外卡顶驱下套管装置,其特征在于,所述卡瓦外筒可转动地固定在上接头(I)上,且卡瓦外筒与所述卡瓦内筒(9)间设有使二者只能做轴向位移的键槽连接。 Fully mechanical as claimed in claim 1 outer top card slips and the outer cylindrical casing and the required drive means, characterized in that the slip outer cylinder rotatably mounted on the joint (the I), slip between said inner cylinder (9) is provided only so that the two axially displaceable keyway connection.
  4. 4.如权利要求1或2所述的全机械式外卡顶驱下套管装置,其特征在于,所述卡瓦内筒(9)和下螺纹套(4)通过下螺纹套压帽(8)连接,下螺纹套(4)下段的外壁设有台肩,下螺纹套压帽(8)套在该台肩处,下螺纹套(4)与下螺纹套压帽(8)连接的台肩面处设有碟簧(7)。 4. The outer fully mechanical or top card 12 of the drive casing apparatus as claimed in claim, characterized in that the slip inner cylinder (9) and a lower threaded sleeve (4) by the pressure cap threaded sleeve ( 8), the threaded sleeve (4) lower outer wall is provided with a shoulder, the threaded sleeve press cap (8) set in the shoulder at the threaded sleeve (4) and the threaded sleeve pressure cap under (8) connected shoulder surface is provided at the disc springs (7).
  5. 5.如权利要求4所述的全机械式外卡顶驱下套管装置,其特征在于,所述下螺纹套(4)和下螺纹套压帽(8)之间设有使二者只能做轴向位移的键槽连接。 As claimed in claim 4, wherein the outer fully mechanical card top drive casing means, characterized in that the lower sleeve is provided between the thread (4) and a lower threaded sleeve press cap (8) so that the two only do keyway axial displacement connector.
  6. 6.如权利要求1所述的全机械式外卡顶驱下套管装置,其特征在于,所述卡瓦外筒由上筒体(2)、中筒体(6)和下筒体(13)构成,上筒体(2)固定在上接头(I)上,中筒体(6)通过挡环(5)及环槽可转动地连接在上筒体(2)上,下筒体(13)固定在中筒体(6)上。 As claimed in claim outer fully mechanical card according to a top drive casing means, characterized in that the slip by the outer cylinder to the cylinder (2), the barrel (6) and the lower cylinder ( 13), and upper body (2) fixed to the upper joint (the I), the barrel (6) by a snap ring (5) and the ring groove is rotatably connected to the cylinder (2), the cylinder (13) is fixed on the barrel (6).
  7. 7.如权利要求6所述的全机械式外卡顶驱下套管装置,其特征在于,所述中筒体(6)内壁和卡瓦内筒(9)间设有使二者只能做轴向位移的键槽连接。 7. The outer fully mechanical claim 6, said card top drive casing means, wherein, in said barrel (6) between the inner wall of the inner cylinder and the slips (9) is provided only so that the two axially displaced keyway connection.
CN 201510410640 2015-07-14 2015-07-14 Card fully mechanical outer casing top drive apparatus CN104975810B (en)

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CN106230358B (en) * 2016-09-29 2017-12-01 合肥磊科机电科技有限公司 A quick coupling device for lightweight photovoltaic panels
CN107093978A (en) * 2016-09-29 2017-08-25 潘鑫磊 Quick connection device with limiting function for light-duty solar photovoltaic plate
CN106761411A (en) * 2017-02-22 2017-05-31 西南石油大学 Motor drive type top drive casing running tool
CN107044260A (en) * 2017-02-22 2017-08-15 西南石油大学 Threaded drive full-mechanical top driving casing running tool
CN106761412A (en) * 2017-02-22 2017-05-31 西南石油大学 Internally supporting and externally clamping type top drive running casing tool driven by annular hydraulic cylinder

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CA2676758A1 (en) * 2005-05-03 2006-11-09 Noetic Engineering Inc. Gripping tool
CN103527089A (en) * 2013-10-16 2014-01-22 陕西高新能源发展有限公司 Pipe sleeve drive device
CN103527090A (en) * 2013-10-16 2014-01-22 陕西高新能源发展有限公司 Pipe sleeve drive device
CN203729878U (en) * 2013-12-20 2014-07-23 彭广盛 Mechanical top-drive casing running device
CN204113118U (en) * 2014-09-17 2015-01-21 中国石油天然气集团公司 Lower sleeve device based on top drive operations
CN204402358U (en) * 2014-12-26 2015-06-17 中石化胜利石油工程有限公司钻井工艺研究院 Device for lowering casing rotationally and cyclically

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