WO2022021718A1 - 基于导向注入一体化机构的连续导管装置 - Google Patents

基于导向注入一体化机构的连续导管装置 Download PDF

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Publication number
WO2022021718A1
WO2022021718A1 PCT/CN2020/133655 CN2020133655W WO2022021718A1 WO 2022021718 A1 WO2022021718 A1 WO 2022021718A1 CN 2020133655 W CN2020133655 W CN 2020133655W WO 2022021718 A1 WO2022021718 A1 WO 2022021718A1
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Prior art keywords
clamping
conduit
chain
guide
roller
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PCT/CN2020/133655
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English (en)
French (fr)
Inventor
高明忠
谢和平
杨明庆
陈领
赵乐
李佳南
余波
李聪
何志强
胡云起
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深圳大学
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Application filed by 深圳大学 filed Critical 深圳大学
Priority to US18/010,091 priority Critical patent/US12018536B2/en
Publication of WO2022021718A1 publication Critical patent/WO2022021718A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/22—Handling reeled pipe or rod units, e.g. flexible drilling pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
    • B21D3/05—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes rectangular to the path of the work

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  • the invention relates to the technical field of underground exploration, in particular to a continuous conduit device based on an integrated mechanism of steering and injection.
  • the existing coiled tubing operation equipment generally includes a guide gooseneck (No. 100 ) and an injection head (No. 200 ), and the guide gooseneck is used to guide the coiled tubing into the injection head.
  • the main functions of the injection head are:
  • the inlet of the existing coiled tubing injection head is located directly above the outlet.
  • the injection head itself has a certain height, and the height of the guide gooseneck leads to a high height of the whole equipment, which is not suitable for the working environment with limited space height ( For example, coal mine roadway, generally no more than 3m in height).
  • the present invention provides a continuous catheter device based on a guide-injection integrated mechanism.
  • a continuous conduit device based on an integrated mechanism for guiding and injecting, including a straightening device and a pair of sprocket and chain clamping assemblies for clamping the conduit and pulling the conduit down or pulling out.
  • a catheter guide channel for the catheter to pass through can be formed, and the inlet and the outlet of the catheter guide channel are not in a straight line; the straightening device is used for straightening the catheter.
  • conduit guide channel is arc-shaped.
  • the two sprocket chain clamping assemblies each include a sprocket set, a chain, a clamping block mounted on the chain, and a push plate for pressing the clamping block;
  • the push plate is an arc-shaped plate, and the push plates of the two sprocket chain clamping assemblies are arranged concentrically; the push plate of at least one sprocket chain clamping assembly is connected with a clamping driving device for driving the radial movement thereof;
  • the push plates of the two sprocket chain clamping assemblies are used to form the guide channel between the partial clamping blocks of the two sprocket chain clamping assemblies, and to make the part of the two sprocket chain clamping assemblies clamp the parts. Hold the block to clamp the catheter.
  • the push plate presses the clamping block through the bearing roller.
  • the sprocket set of the sprocket chain clamping assembly located on the outer periphery includes a driving wheel, a tensioning wheel and a driven wheel; the sprocket set of the sprocket chain clamping assembly located at the inner circumference includes at least a driving wheel and a driven wheel.
  • the clamping driving device is an oil cylinder.
  • the clamping surface of the clamping block has a certain arc in the guiding direction.
  • the included angle between the inlet direction and the outlet direction of the conduit guide passage is an acute angle, and an arc guide short section is provided at the inlet of the conduit guide passage.
  • the straightening device is a roller straightening device.
  • the straightening device includes a bracket, a first roller, a second roller, a crank arm and a pressing oil cylinder; there are at least two first rollers, and the first rollers are arranged in a linear direction;
  • crank arm One end of the crank arm is movably connected to the bracket, the second roller is rotatably installed at the inflection point of the crank arm, and the output end of the pressing oil cylinder is connected to the other end of the crank arm so that the first roller is connected to the first roller.
  • a straightening channel is formed between the two rollers.
  • the present invention has the following beneficial effects:
  • the present invention integrates the guiding and injection functions, can save the guiding gooseneck, and can effectively reduce the height of the equipment; it is especially suitable for the working environment with limited space height; the present invention can straighten the continuous conduit through the straightening device, which is beneficial to ensure The continuous conduit enters the well vertically, which can effectively reduce the downhole wear.
  • Fig. 1 is the structural representation of prior art
  • Embodiment 2 is a schematic structural diagram of Embodiment 1;
  • Fig. 3 is the schematic diagram of the partial position when the clamping block clamps the catheter
  • Fig. 4 is the sectional view at A-A place in Fig. 3;
  • FIG. 5 is a partial schematic view of a catheter guide channel
  • Fig. 6 is the schematic diagram when the present invention is used.
  • Embodiment 7 is a schematic structural diagram of Embodiment 2.
  • FIG. 8 is a schematic structural diagram of the third embodiment.
  • the continuous conduit device based on the integrated guide injection mechanism disclosed in this embodiment includes a straightening device 8 and a first sprocket chain clamp for clamping the conduit 7 and pulling the conduit 7 downhole or pulling out.
  • Assembly 1 and the second sprocket chain clamping assembly 2 the first sprocket chain clamping assembly 1 and the second sprocket chain clamping assembly 2 can form a conduit guide channel for the conduit to pass through, and the inlet and outlet of the conduit guide passage not in a straight line.
  • the guide channel of the catheter is arc-shaped.
  • the first sprocket chain clamping assembly 1 includes a first driving pulley 11 , a first tensioning pulley 14 , a first driven pulley 12 , a first chain 13 , a first push plate 15 , and a first chain 13 .
  • the second sprocket chain clamping assembly 2 includes a second driving wheel 21 , a second driven wheel 22 , a second chain 23 , a second push plate 25 and a plurality of clamping blocks 3 mounted on the second chain 23 .
  • the second chain 23 meshes with the second driving wheel 21 and the second driven wheel 22;
  • the first push plate 15 and the second push plate 25 are arc-shaped plates, the first push plate 15 and the second push plate 25 are concentrically arranged, and the radius of the first push plate 15 is smaller than that of the second push plate 25 .
  • both the first driving wheel 11 and the second driving wheel 21 are connected with a traction motor.
  • the first driving wheel 11, the first tensioning wheel 14, the first driven wheel 12, the second driving wheel 21, the second driven wheel 22 and the second chain 23 are all mounted on the frame.
  • the traction motor and the frame are not shown in the figures, which are conventional techniques in the art, and will not be repeated here.
  • the second push plate 25 is connected with a clamping driving device 4 for driving it to move in the radial direction;
  • the clamping driving device 4 is an oil cylinder.
  • the first push plate 15 and the second push plate 25 are used to form a guide channel between the part of the clamping block 3 on the first chain 13 and the part of the clamping block 3 on the second chain 23 and to make the first chain 13 and the This part of the gripping block 3 on the second chain 23 grips the conduit 7 .
  • both the inner and outer sides of the first tensioning pulley 14 are engaged with the first chain 13 .
  • a first push plate 15 is provided between the first driving wheel 11 and the first tensioning wheel 14 and between the first tensioning wheel 14 and the first driven wheel 12 .
  • one end of the second push plate 25 starts from the second driving wheel 21 , and the other end of the second push plate 25 extends to the second driven wheel 22 . Since the arc length of the second push plate 25 is relatively long, at least two clamping driving devices 4 are connected to the second push plate 25 to ensure sufficient clamping force.
  • the clamping blocks 3 are arranged on the chain one by one. There are gaps 31 between adjacent clamping blocks 3 .
  • the first push plate 15 and the second push plate 25 arrange the plurality of clamping blocks 3 along the arc direction thereof to form the conduit guide channel 6 , and then guide the conduit 7 .
  • the clamping surfaces of the clamping blocks 3 on the first chain 13 and the second chain 23 have a certain curvature in the guiding direction, so as to be in contact with the guide tube 7, increasing the clamping force and making the deformation of the guide tube 7 smoother.
  • a bearing roller 16 is installed on the clamping block 3 , the first push plate 15 presses the bearing roller 16 of the clamping block 3 on the first chain 13 , and the second push plate 25 presses the second chain 23 The bearing roller 16 of the clamping block 3 is clamped.
  • bearing roller 16 can also be mounted on the push plate.
  • the conduit guide channel 6 is arc-shaped.
  • the conduit 7 undergoes plastic bending deformation at the conduit guide channel 6, so the conduit 7 coming out of the conduit guide channel 6 has residual bending. Eccentric wear occurs with the borehole wall, thereby increasing downhole wear.
  • the present invention adds a straightening device 8 to straighten the conduit 7, which can eliminate the residual bending of the conduit 7 to the greatest extent, is beneficial to ensure that the continuous conduit 7 enters the well vertically, and can effectively reduce the downhole wear.
  • the straightening device 8 is selected as a roller straightening device. There are many roller straightening devices, which can be selected according to needs.
  • the straightening device 8 disclosed in the present invention includes a bracket 81 , a first roller 82 , a second roller 83 , a crank arm 84 and a pressing oil cylinder 85 ; the first roller 82 is installed on the bracket 81 , and there are at least two first rollers 82 , the first rollers 82 are arranged in a linear direction.
  • crank arm 84 One end of the crank arm 84 is movably connected with the bracket 81 , the second roller 83 is rotatably installed at the inflection point of the crank arm 84 , and the output end of the pressing oil cylinder 85 is connected with the other end of the crank arm 84 so that the second roller 83 can be pressed against the conduit 7 , so that a straightening channel is formed between the first roller 82 and the second roller 83 .
  • conduit 7 is wound on the reel 9, and the free end of the conduit 7 passes between the clamping blocks 3 of the first chain 13 and the second chain 23;
  • the first push plate 15 and the second push plate 25 press the clamping block 3 on the first chain 13 and the second chain 23, so that the clamping block 3 clamps the conduit 7;
  • the rotation of the first driving wheel 11 and the second driving wheel 21 drives the first chain 13 and the second chain 23 to move, and then drives the clamping block 3 to move, so that the conduit 7 clamped by the clamping block 3 goes down the well or in the direction of pulling out. move;
  • the conduit 7 coming out of the conduit guiding passage is straightened through the straightening passage and then enters the well vertically.
  • the second sprocket chain clamping assembly 2 further includes a second tensioning wheel 24 meshing with the second chain 23 , the second driving wheel 21.
  • the second tensioning pulley 24 and the second driven pulley 22 are not in a straight line.
  • an arc-shaped guide short section 5 is provided at the entrance of the catheter guide channel, and the arc-shaped guide short section 5 guides the catheter 7 to enter the catheter guide channel more smoothly.
  • the arc guide short section 5 is concentric with the guide channel of the catheter and has the same radius.
  • the arc guide short section 5 is located below the inlet of the guide channel of the guide tube, and has a certain supporting effect on the guide tube 7 .
  • Embodiment 1 or Embodiment 2 The difference between this embodiment and Embodiment 1 or Embodiment 2 is that, as shown in FIG. 8 , in this embodiment, the first push plate 15 is connected with a clamping driving device 4 for driving it to move in the radial direction.
  • the invention integrates the guiding and injection functions, and adds a straightening device, which can effectively reduce the height of the equipment and ensure that the downhole wear is not increased.
  • the present invention is especially suitable for working environments with limited space height, such as working in coal mine tunnels.

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  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Supports For Pipes And Cables (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

基于导向注入一体化机构的连续导管装置，包括校直装置（8）以及用于夹持导管（7）以及牵引导管（7）下井或起出的一对链轮链条夹持组件（1），所述的一对链轮链条夹持组件（1）间可构成供导管（7）通过的导管导向通道，所述导管导向通道的入口与出口不在一条直线上；所述校直装置（8）用于对导管（7）进行校直；两个链轮链条夹持组件（1）均包括链轮组、链条、安装在链条上的夹持块（3）以及用于压紧夹持块（3）的推板，作为优选，导管导向通道为圆弧形，夹持块（3）的夹持面在导向方向具有一定的弧度。将导向和注入功能基于一体，又增设了校直装置（8），在有效降低设备高度的同时，又能确保不增加井下磨损，尤其适用于空间高度有限的作业环境，例如在煤矿巷道中作业。

Description

基于导向注入一体化机构的连续导管装置 技术领域
本发明涉及地下勘探技术领域，尤其涉及基于导向注入一体化机构的连续导管装置。
背景技术
如图1所示，现有的连续油管作业设备通常包括导向鹅颈(序号100)和注入头(序号200)，导向鹅颈用于引导连续管进入注入头。注入头主要功能有：
(1)向连续管施加轴向作用力用以克服连续管的自重及在井筒的浮力和摩擦力，提供足够的推、拉力用以控制连续管的出井以及入井运动；
(2)当连续管静止时承受整个连续管的悬挂重量；
(3)提供足够大的夹持力以防止连续管与夹持块之间发生相对滑动；
(4)在不同的情况下，控制连续管的提升和下放速度；
(5)为指重传感器及编码器提供工作平台；
(6)承受全部连续管的自重及附加载荷。
现有的连续管注入头的入口位于出口正上方，注入头本身具有一定的高度，再加上导向鹅颈的高度，导致整个设备高度很高，这并不适用于空间高度有限的作业环境(例如煤矿巷道，一般高度不超过3m)。
发明内容
本发明为了解决上述技术问题提供基于导向注入一体化机构的连续导管装置。
本发明通过下述技术方案实现：
基于导向注入一体化机构的连续导管装置，包括校直装置和用于夹持导管以及牵引导管下井或起出的一对链轮链条夹持组件，所述的一对链轮链条夹持组件间可构成供导管通过的导管导向通道，所述导管导向通道的入口与出口不在一条直线上；所述校直装置用于对导管进行校直。
进一步的，所述导管导向通道为圆弧形。
进一步的，两个链轮链条夹持组件均包括链轮组、链条、安装在链条上的夹持块以及用于压紧夹持块的推板；
所述推板为圆弧形板，两个链轮链条夹持组件的推板同心设置；至少一个链轮链条夹持组件的推板连接有用于带动其径向移动的夹紧驱动装置；
两个链轮链条夹持组件的推板用于使两个链轮链条夹持组件的部分夹持块之间形成所述导管导向通道，以及使两个链轮链条夹持组件上的部分夹持块夹紧导管。
进一步的，所述推板通过轴承滚轮压紧夹持块。
其中，位于外围的链轮链条夹持组件的链轮组包括主动轮、张紧轮和从动轮；位于内围的链轮链条夹持组件的链轮组至少包括主动轮和从动轮。
优选地，所述夹紧驱动装置为油缸。
进一步的，所述夹持块的夹持面在导向方向具有一定的弧度。
优选地，所述导管导向通道的入口方向与出口方向的夹角为锐角，在导管导向通道的入口处设有弧形导向短节。
优选地，所述校直装置为滚轮校直装置。
进一步的，校直装置包括支架、第一滚轮、第二滚轮、拐臂和压紧油缸；所述第一滚轮有至少两个，第一滚轮沿直线方向排布；
所述拐臂一端与所述支架活动连接，所述第二滚轮转动安装在所述拐臂的拐点处，所述压紧油缸的输出端与拐臂的另一端连接以使第一滚轮与第二滚轮间形成校直通道。
与现有技术相比，本发明具有以下有益效果：
本发明将导向和注入功能基于一体，可省去导向鹅颈，能有效降低设备的高度；尤其适用于空间高度有限的作业环境；本发明通过校直装置可对连续导管进行校直，利于确保连续导管垂直进入井内，能有效减轻井下磨损。
附图说明
此处所说明的附图用来提供对本发明实施例的进一步理解，构成本申请的一部分，并不构成对本发明实施例的限定。
图1是现有技术的结构示意图；
图2是实施例一的结构示意图；
图3是夹持块夹紧导管时局部位置的示意图；
图4是图3中A-A处的剖面图；
图5是导管导向通道的局部示意图；
图6是本发明使用时的示意图；
图7是实施例二的结构示意图；
图8是实施例三的结构示意图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚明白，下面结合实施例和附图，对本发明作进一步的详细说明，本发明的示意性实施方式及其说明仅用于解释本发明，并不作为对本发明的限定。
实施例一
如图2所示，本实施例公开的基于导向注入一体化机构的连续导管装置，包括校直装置8和用于夹持导管7以及牵引导管7下井或起出的第一链轮链条夹持组件1和第二链轮链条夹持组件2，第一链轮链条夹持组件1与第二链轮链条夹持组件2间可构成供导管通过的导管导向通道，导管导向通道的入口与出口不在一条直线上。
为使导管的变形更加平滑，导管导向通道为圆弧形。
本实施例中第一链轮链条夹持组件1包括第一主动轮11、第一张紧轮14、第一从动轮12、第一链条13、第一推板15以及安装在第一链条13上的若干夹持块3；第一主动轮11、第一张紧轮14与第一从动轮12不在一条直线上，第一链条13与第一主动轮11、第一张紧轮14和第一从动轮12啮合。
第二链轮链条夹持组件2包括第二主动轮21、第二从动轮22、第二链条23、第二推板25以及安装在第二链条23上的若干夹持块3，第二链条23与第二主动轮21和第二从动轮22啮合；
第一推板15和第二推板25均为圆弧形板，第一推板15和第二推板25同心设置，第一推板15的半径小于第二推板25的半径。
当然的，第一主动轮11与第二主动轮21均连接有牵引马达。第一主动轮 11、第一张紧轮14、第一从动轮12、第二主动轮21、第二从动轮22和第二链条23均安装在机架上。图中未示出牵引马达和机架，这是本领域的常规技术，此处不再赘述。
本实施例中第二推板25连接有用于带动其在径向方向移动的夹紧驱动装置4；夹紧驱动装置4为油缸。
第一推板15与第二推板25用于使第一链条13上的部分夹持块3与第二链条23上的部分夹持块3之间形成导管导向通道以及使第一链条13和第二链条23上的该部分夹持块3夹紧导管7。
本实施例中第一张紧轮14的内外侧均与第一链条13啮合。第一主动轮11与第一张紧轮14间以及第一张紧轮14与第一从动轮12间均设有一个第一推板15。
本实施例中第二推板25一端始于第二主动轮21处，第二推板25另一端延伸至第二从动轮22处。由于第二推板25弧长较长，因而第二推板25连接有至少两个夹紧驱动装置4，以保证足够的夹持力度。
如图3、4、5所示，夹持块3一节一节设置在链条上。相邻夹持块3之间具有间隙31。第一推板15与第二推板25使多个夹持块3沿其圆弧方向布置从而形成导管导向通道6，继而实现对导管7的导向。
第一链条13和第二链条23上夹持块3的夹持面在导向方向具有一定的弧度，以与导管7面接触，增加夹持力量，同时可使导管7的变形更加平滑。
如图3所示，夹持块3上安装有轴承滚轮16，第一推板15压紧第一链条13上夹持块3的轴承滚轮16，第二推板25压紧第二链条23上夹持块3的轴承滚轮16。
当然，轴承滚轮16也可安装在推板上。
导管导向通道6为弧形，在注入导管时，导管7在导管导向通道6处发生塑性弯曲变形，因而从导管导向通道6出来的导管7存在残余弯曲，下井之后残余弯曲使得导管7在井下易与井壁发生偏磨，从而增加井下磨损。
本发明增设校直装置8对导管7进行校直，可最大限度的消除导管7的残余弯曲，利于保证连续导管7垂直进入井内，能有效减轻井下磨损。
本实施例中校直装置8选择为滚轮校直装置。滚轮校直装置有很多，可根据 需要选择。
本发明公开的校直装置8，包括支架81、第一滚轮82、第二滚轮83、拐臂84和压紧油缸85；第一滚轮82安装在支架81上，第一滚轮82有至少两个，第一滚轮82沿直线方向排布。拐臂84一端与支架81活动连接，第二滚轮83转动安装在拐臂84的拐点处，压紧油缸85的输出端与拐臂84的另一端连接以使第二滚轮83可压向导管7，从而使第一滚轮82与第二滚轮83间形成校直通道。
本发明的工作原理：
如图2、6所示，导管7缠绕在卷筒9上，导管7的自由一端从第一链条13与第二链条23的夹持块3之间穿过；
第一推板15与第二推板25压紧第一链条13和第二链条23上的夹持块3，使夹持块3夹紧导管7；
第一主动轮11与第二主动轮21转动，带动第一链条13与第二链条23运动，继而带动夹持块3运动，从而使夹持块3夹紧的导管7向下井或起出方向移动；
从导管导向通道出来的导管7，经校直通道校直后垂直进入井内。
实施例二
本实施例与实施例一的区别在于：如图7所示，本实施例中第二链轮链条夹持组件2还包括与第二链条23啮合的第二张紧轮24，第二主动轮21、第二张紧轮24与第二从动轮22不在一条直线上。
本实施例在导管导向通道的入口处设有弧形导向短节5，弧形导向短节5引导导管7更加顺滑的进入导管导向通道。弧形导向短节5与导管导向通道同心且半径相等。
弧形导向短节5位于导管导向通道入口的下方，对导管7具有一定的支撑作用。
实施例三
本实施例与实施例一或实施例二的区别在于：如图8所示，本实施例中第一推板15连接有用于带动其在径向方向移动的夹紧驱动装置4。
本发明将导向和注入功能基于一体，又增设了校直装置，在有效降低设备高度的同时，又能确保不增加井下磨损。本发明尤其适用于空间高度有限的作业环境，例如在煤矿巷道中作业。
以上的具体实施方式，对本发明的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上仅为本发明的具体实施方式而已，并不用于限定本发明的保护范围，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 基于导向注入一体化机构的连续导管装置，其特征在于：包括校直装置和用于夹持导管以及牵引导管下井或起出的一对链轮链条夹持组件，所述的一对链轮链条夹持组件间可构成供导管通过的导管导向通道，所述导管导向通道的入口与出口不在一条直线上；
    所述校直装置用于对导管进行校直。
  2. 根据权利要求1所述的基于导向注入一体化机构的连续导管装置，其特征在于：所述导管导向通道为圆弧形。
  3. 根据权利要求1或2所述的基于导向注入一体化机构的连续导管装置，其特征在于：两个链轮链条夹持组件均包括链轮组、链条、安装在链条上的夹持块以及用于压紧夹持块的推板；
    所述推板为圆弧形板，两个链轮链条夹持组件的推板同心设置；至少一个链轮链条夹持组件的推板连接有用于带动其径向移动的夹紧驱动装置；
    两个链轮链条夹持组件的推板用于使两个链轮链条夹持组件的部分夹持块之间形成所述导管导向通道以及使两个链轮链条夹持组件上的所述部分夹持块夹紧导管。
  4. 根据权利要求3所述的基于导向注入一体化机构的连续导管装置，其特征在于：所述推板通过轴承滚轮压紧夹持块。
  5. 根据权利要求3所述的基于导向注入一体化机构的连续导管装置，其特征在于：位于外围的链轮链条夹持组件的链轮组包括主动轮、张紧轮和从动轮；位于内围的链轮链条夹持组件的链轮组至少包括主动轮和从动轮。
  6. 根据权利要求3所述的基于导向注入一体化机构的连续导管装置，其特征在于：所述夹紧驱动装置为油缸。
  7. 根据权利要求3所述的基于导向注入一体化机构的连续导管装置，其特征在于：所述夹持块的夹持面在导向方向具有一定的弧度。
  8. 根据权利要求1、2或7所述的基于导向注入一体化机构的连续导管装置，其特征在于：所述导管导向通道的入口方向与出口方向的夹角为锐角，在导管导向通道的入口处设有弧形导向短节。
  9. 根据权利要求1所述的基于导向注入一体化机构的连续导管装置，其特征在于：所述校直装置为滚轮校直装置。
  10. 根据权利要求9所述的基于导向注入一体化机构的连续导管装置，其特征在于：校直装置包括支架、第一滚轮、第二滚轮、拐臂和压紧油缸；所述第一滚轮有至少两个，第一滚轮沿直线方向排布；
    所述拐臂一端与所述支架活动连接，所述第二滚轮转动安装在所述拐臂的拐点处，所述压紧油缸的输出端与拐臂的另一端连接以使第一滚轮与第二滚轮间形成校直通道。
PCT/CN2020/133655 2020-07-28 2020-12-03 基于导向注入一体化机构的连续导管装置 WO2022021718A1 (zh)

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