WO2023000396A1 - 一种探杆夹持器 - Google Patents

一种探杆夹持器 Download PDF

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Publication number
WO2023000396A1
WO2023000396A1 PCT/CN2021/111072 CN2021111072W WO2023000396A1 WO 2023000396 A1 WO2023000396 A1 WO 2023000396A1 CN 2021111072 W CN2021111072 W CN 2021111072W WO 2023000396 A1 WO2023000396 A1 WO 2023000396A1
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WIPO (PCT)
Prior art keywords
slip
probe rod
housing
slip seat
rod holder
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PCT/CN2021/111072
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English (en)
French (fr)
Inventor
叶灵迪
叶水青
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台州市迪信勘察仪器有限公司
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Application filed by 台州市迪信勘察仪器有限公司 filed Critical 台州市迪信勘察仪器有限公司
Publication of WO2023000396A1 publication Critical patent/WO2023000396A1/zh

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D1/00Investigation of foundation soil in situ
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/10Slips; Spiders ; Catching devices

Definitions

  • the utility model relates to the mechanical field, in particular to a probe rod holder.
  • Existing probe rod holders are generally of clamping plate type and screw slipping type.
  • clamp type there is an inward protrusion at the lower end of the external thread at one end of the probe rod, and the clamp plate is clamped and connected with the probe rod from the inward protrusion.
  • screw slip type there are slips in the fixture, and the screws are manually tightened through the external screws of the fixture, so that the slips in the fixture can catch the probe rod, and it is easy to pinch the operator's fingers. It is time-consuming, labor-intensive, and easy to slip. ; Therefore, our company has applied for the hydraulic probe holder shown in Figure 1.
  • probe rod diameters 36mm and 40mm.
  • the gripper in the prior art needs to replace the slips; It is inconvenient to replace slips, which affects work efficiency.
  • This utility model is to provide a probe rod holder, which can solve one or more of the above technical problems.
  • a probe rod holder comprising a clamping part, a power part and an adjusting part.
  • the clamping part includes a shell, a slip seat, and a slip; a clamping hole is opened on the shell, and a plurality of the slip seats are arranged at equal intervals around the clamping hole, each of the slip seats All can be slidably installed in the housing; the slips are fixed on the corresponding slip seats.
  • Each of the slip seats is correspondingly connected to the power part or the regulating part.
  • the power part includes a hydraulic cylinder, and the telescopic rod of the hydraulic cylinder extends into the interior of the housing and connects with the corresponding slip seat to push the slip seat to slide in the housing.
  • the adjustment part includes a lead screw, the front end of the screw rod extends into the inside of the housing to connect with the corresponding slip seat, the rear end of the screw rod extends out of the housing, and a nut is installed on the rear end of the screw rod .
  • the slips include end faces, and clamping grooves are provided on the end faces, and several of the end faces face each other so that the clamping grooves are clamped around the probe rod.
  • the clamping groove is an arc groove.
  • anti-slip lines are provided on the inner surface of the clamping groove.
  • the slip seat includes a first slip seat and a second slip seat, the first slip seat is correspondingly installed with the first slip seat, and the second slip seat is correspondingly installed with the second slip seat ;
  • the power part is connected to the first slip seat; the adjustment part is connected to the second slip seat.
  • a hydraulic lock is installed on the pipeline of the hydraulic cylinder.
  • a limit protrusion is provided at the front end of the lead screw.
  • connection lug is provided on the housing.
  • the diameter of the probe used in conjunction with the slips is 36mm or 40mm.
  • the diameter of the protective pipe used in conjunction with the slips is 63.5 mm.
  • the power part with the hydraulic cylinder and the clamping part are divided into two independent individuals.
  • the sequential transmission process of the force on the probe rod is Slips, slip seats, shells; and the telescopic rod, which only clamps the radial force on the probe rod, is not affected by the axial force of the probe rod, ensuring the safe use of the telescopic rod; the same hydraulic cylinder is not affected by the probe rod. Affected by the force on the rod, when the slips are damaged, it is more convenient and easy to replace the slips, and the independent hydraulic cylinder can reduce the loss.
  • Fig. 1 is a schematic structural view of a hydraulic gripper in the prior art
  • 1 is a cylinder block
  • 2 is an upper cover
  • 3 is a lower cover
  • 4 is a spacer sleeve
  • 5 is a slip
  • 6 is a piston ring.
  • Fig. 2 is a structural representation of the utility model
  • Fig. 3 is a schematic cross-sectional structure diagram of Fig. 2;
  • Fig. 4 is a schematic diagram of the explosion structure of Fig. 2;
  • Fig. 5 is a top view structural schematic diagram of Fig. 2;
  • Fig. 6 is a schematic structural view of Embodiment 2 of the present utility model
  • Fig. 7 is a schematic structural view of Embodiment 3 of the present utility model
  • Housing 100 connecting ear 101, clamping hole 102, housing 103, slip seat 104, slip 105;
  • Power unit 200 hydraulic lock 201, hydraulic cylinder 202, telescopic rod 203,
  • An adjustment part 300 a lead screw 301 , a nut 302 , and a protrusion 303 .
  • spatially relative terms may be used here, such as “on !, “over !, “on the surface of !, “above”, etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as “above” or “above” other devices or configurations would then be oriented “beneath” or “above” the other devices or configurations. under other devices or configurations”. Thus, the exemplary term “above” can encompass both an orientation of “above” and “beneath”. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.
  • a probe rod holder comprising a clamping part 100 , a power part 200 and an adjusting part 300 .
  • the clamping part 100 includes a housing 103, a slip seat 104, and a slip 105; a clamping hole 102 is provided on the housing, and several slip seats are arranged at equal intervals around the clamping hole, each The slip seats can be slidably installed in the housing; the slips are fixed on the corresponding slip seats.
  • a connection lug 101 is provided on the housing 103 .
  • Each of the slip seats is correspondingly connected to the power part or the regulating part.
  • the power part 200 includes a hydraulic cylinder 202, and a telescopic rod 203 of the hydraulic cylinder extends into the housing and connects with a corresponding slip seat to push the slip seat to slide in the housing.
  • a hydraulic lock 201 is installed on the pipeline of the hydraulic cylinder.
  • the adjustment part includes a screw 301, the front end of the screw extends into the housing to connect with the corresponding slip seat, the rear end of the screw extends out of the housing, and the rear end of the screw is installed nut 302 .
  • a limiting protrusion 303 is arranged at the front end of the lead screw.
  • the slips include end faces, and clamping grooves are provided on the end faces, and several of the end faces face each other so that the clamping grooves are clamped around the probe rod.
  • the clamping groove is an arc-shaped groove, and the center of the arc-shaped groove is on the axis of the clamping hole. The inside of the arc-shaped groove can be adjusted according to the cross-sectional shape of the clamped probe rod, or add anti-skid lines or rubber pads, without limitation.
  • the power unit and the slips are completely divided into two parts.
  • the slips are stressed, the hydraulic cylinder is not stressed, which is convenient for replacement and installation.
  • the adjustment process is to first use the screw of the adjustment part to fix a certain slip to a specific position, and then the power part drives a certain slip to move to Clamp probe rods with different diameters, for example, when changing from a probe rod with a diameter of 36mm to a probe rod with a diameter of 40mm, there is no need to replace the slips, just adjust the distance between the slips to achieve clamping, and the same applies to probe rods with other diameters ;
  • the replacement of the probe rod in this device is simple and fast, which improves work efficiency and reduces the use of spare parts.
  • the end face of the slips can be clamped tightly with the protective tube, so there is no need to replace the slips, and larger-sized rods can be used for clamping.
  • One side of the device manually adjusts the position of the slips, and the other side automatically adjusts the position of the slips, and the manufacturing cost is low while the adjustment is realized.
  • the quantity of the regulating part and the power part is adjusted according to the quantity of the slips, which is not limited.
  • the specific shape of the housing is not limited, and it can be adjusted according to the actual use position. It is preferably square, which is convenient for transportation and installation; other shapes such as circle or polygon are also acceptable.
  • the slip seat includes a first slip seat and a second slip seat, the first slip seat is correspondingly installed with a first slip, and the The second slip seat is correspondingly installed with a second slip; the power part is connected with the first slip seat; the adjustment part is connected with the second slip seat.
  • the housing here is a square with open ends, and the power part is installed at one end of the opening, and the adjustment part is installed at the other end;
  • the shoe is fixed, and the power part makes the first slip close to or away from the second slip to clamp the probe rod.
  • FIG. 7 in this embodiment, there are two power parts and one clamping part, so that when replacing probe rods with different diameters, the position change of the adjusting part can be reduced, and fast and stable clamping can be realized.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Soil Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
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Abstract

一种探杆夹持器,包括夹持部(100)、动力部(200)和调节部(300);夹持部(100)包括壳体(103)、卡瓦座(104)、卡瓦(105);壳体(103)上开设夹持孔(102),在夹持孔(102)四周等间距设置若干卡瓦座(104),每一卡瓦座(104)均可滑动的安装在壳体(103)内;卡瓦(105)固定在对应的卡瓦座(104)上,每一卡瓦座(104)对应连接动力部(200)或调节部(300);动力部(200)包括液压缸(202),液压缸(202)的伸缩杆(203)伸入壳体(103)内部与对应的卡瓦座(104)连接以推动该卡瓦座(104)在壳体(103)内滑动;调节部(300)包括丝杠(301),丝杆(301)的前端伸入壳体(103)内部与对应的卡瓦座(104)连接,丝杆(301)的后端伸出壳体(103),丝杆(301)后端上安装螺母(302)。所述探杆夹持器将具有液压缸的动力部和夹持部分为两个独立的个体,在探杆被夹持之后对探杆施加力时,液压缸基本不受影响,可以降低损失。

Description

一种探杆夹持器 技术领域
本实用新型涉及机械领域,具体涉及一种探杆夹持器。
背景技术
现有的探杆夹持器一般为卡板式和螺丝卡瓦式。对于卡板式,探杆一端的外螺纹下端有一处内突,卡板从该内突处卡住与探杆联接。对于螺丝卡瓦式,在夹具内有卡瓦,通过夹具外螺丝,用人工拧紧螺丝,使夹具内卡瓦卡住探杆,容易夹到操作人员手指,使用费时费力,劳动强度大,容易打滑;因此本公司申请了如图1所示的液压探杆夹持器,其工作原理是:液压油从缸体1的液压油进出口进入缸体1的内腔,液压油带动缸体1内腔的活塞环6上下运动;当活塞环6向上运动时,活塞环6使卡瓦5的三瓣收紧以卡紧探杆;当活塞环6向下运动时,活塞环6使卡瓦5的三瓣分离以松开探杆;图1中的液压夹持器在使用时,卡瓦一旦损坏,活塞杆会受到冲击损害,同时液压缸也大概率会受到损害而无法维修,损失严重。
再有,现有常用的探杆直径有36mm和40mm两种,在改变探杆直径时,有时需要同时更换与其配套使用的套管;现有技术中的夹持器是需要更换卡瓦的;卡瓦更换不方便,影响工作效率。
实用新型内容
本实用新型的目的是提供一种探杆夹持器,可以解决上述技术问题中的一个或是多个。
为了达到上述目的,本实用新型提出的技术方案如下:
一种探杆夹持器,包括夹持部、动力部和调节部。
所述夹持部包括壳体、卡瓦座、卡瓦;所述壳体上开设夹持孔,在所述夹持孔四周等间距设置若干所述卡瓦座,每一所述卡瓦座均可滑动的安装在所述壳体内;所述卡瓦固定在对应的所述卡瓦座上。
每一所述卡瓦座对应连接所述动力部或所述调节部。
所述动力部包括液压缸,所述液压缸的伸缩杆伸入所述壳体内部与对应的卡瓦座连接以推动该卡瓦座在所述壳体内滑动。
所述调节部包括丝杠,所述丝杆的前端伸入所述壳体内部与对应的卡瓦座连接,所述丝杆的后端伸出壳体,所述丝杆后端上安装螺母。
优选的:所述卡瓦包括端面、端面上开设夹持槽,若干所述端面相对使所述夹持槽箍在探杆四周。
优选的:所述夹持槽为弧形槽。
优选的:所述夹持槽内表面设置防滑纹。
优选的:所述卡瓦座包括第一卡瓦座和第二卡瓦座,所述第一卡瓦座对应安装有第一卡瓦,所述第二卡瓦座对应安装有第二卡瓦;所述动力部与所述第一卡瓦座连接;所述调节部与所述第二卡瓦座连接。
优选的:在所述液压缸的管路上安装有液压锁。
优选的:在所述丝杠前端设置限位凸起。
优选的:在所述壳体上设置连接耳板。
优选的:与所述卡瓦配合使用的探杆的直径是36mm或40mm。
优选的:与所述卡瓦配合使用的护管直径为63.5mm。
本实用新型的技术效果是:
在本实用新型中,将具有液压缸的动力部和夹持部分为两个独立的个体,在探杆被夹持之后对探杆施加轴向力时,探杆所受力依次的传递过程是卡瓦、卡瓦座、壳体;而对探杆只有夹持径向力的伸缩杆是不受探杆轴向力的影响的,保证伸缩杆的使用安全;同样的液压缸更不受探杆受力的影响,在卡瓦受到损伤时,对于卡瓦的更换更方便容易,独立的液压缸可以降低损失。
另外,在本实用新型中,无需更换卡瓦,若干卡瓦相对运动可以随着探杆的直径调节,调节范围大,适用性好,可以同时配合36mm和40mm的探杆使用而无需更换卡瓦;同时还可以卡63.5mm的护管而无需更换卡瓦。
附图说明
构成本申请的一部分的说明书附图用来提供对本实用新型的进一步理解,本实用新型的示意性实施例及其说明用于解释本实用新型,并不构成对本实用新型的不当限定。
在附图中:
图1是现有技术的液压夹持器结构示意图;
在附图1中的附图标记:1为缸体,2为上盖,3为下盖,4为限位套,5为卡瓦,6为活塞环。
图2是本实用新型的结构示意图;
图3是图2的剖视结构示意图;
图4是图2的爆炸结构示意图;
图5是图2的俯视结构示意图;;
图6是本实用新型的实施例二结构示意图;
图7是本实用新型的实施例三结构示意图;
其中,附图2—附图7中包括以下附图标记:
壳体100,连接耳101,夹持孔102,壳体103,卡瓦座104,卡瓦105;
动力部200,液压锁201,液压缸202,伸缩杆203,
调节部300,丝杠301,螺母302,凸起303。
具体实施方式
下面将结合附图以及具体实施例来详细说明本实用新型,其中的示意性实施例以及说明仅用来解释本实用新型,但并不作为对本实用新型的不当限定。
需要说明的是,在不冲突的情况下,本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本实用新型。
需要注意的是,这里所使用的术语仅是为了描述具体实施方式,而非意图限制根据本申请的示例性实施方式。如在这里所使用的,除非上下文另外明确指出,否则单数形式也意图包括复数形式,此外,还应当理解的是,当在本说明书中使用术语“包含”和/或“包括”时,其指明存在特征、步骤、操作、器件、组件和/或它们的组合。
需要说明的是,本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象,而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换,以便这里描述的本申请的实施方式例如能够以除了在这里图示或描述的那些以外的顺序实施。此外,术语“包括”和“具有”以及他们的任何变形,意图在于覆盖不排他的包含,例如,包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元,而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
为了便于描述,在这里可以使用空间相对术语,如“在……之上”、“在……上方”、“在……上表面”、“上面的”等,用来描述如在图中所示的一个器件或特征与其他器件或特征的空间位置关系。应当理解的是,空间相对术语旨在包含除了器件在图中所描述的方位之外的在使用或操作中的不同方位。例如,如果附图中的器件被倒置,则描述为“在其他器件或构造上方”或“在其他器件或构造之上”的器件之后将被定位为“在其他器件或构造下方”或“在其他器件或构造之下”。因而,示例性术语“在……上方”可以包括“在……上方”和“在……下方”两种方位。该器件也可以其他不同方式定位(旋转90度或处于其他方位),并且对这里所使用的空间相对描述作出相应解释。
一种探杆夹持器,包括夹持部100、动力部200和调节部300。
所述夹持部100包括壳体103、卡瓦座104、卡瓦105;所述壳体上开设夹持孔102,在所述夹持孔四周等间距设置若干所述卡瓦座,每一所述卡瓦座均可滑动的安装在所述壳体内; 所述卡瓦固定在对应的所述卡瓦座上。在所述壳体103上设置连接耳板101。
每一所述卡瓦座对应连接所述动力部或所述调节部。
所述动力部200包括液压缸202,所述液压缸的伸缩杆203伸入所述壳体内部与对应的卡瓦座连接以推动该卡瓦座在所述壳体内滑动。在所述液压缸的管路上安装有液压锁201。
所述调节部包括丝杠301,所述丝杆的前端伸入所述壳体内部与对应的卡瓦座连接,所述丝杆的后端伸出壳体,所述丝杆后端上安装螺母302。在所述丝杠前端设置限位凸起303。
优选的:所述卡瓦包括端面、端面上开设夹持槽,若干所述端面相对使所述夹持槽箍在探杆四周。优选的,所述夹持槽为弧形槽,所述弧形槽的圆心在所述夹持孔的轴线上。弧形槽内部根据所夹持探杆的截面形状可以调整槽形,或者增加防滑他纹路亦或者增加橡胶垫,不做限定。
在本实用新型中,将动力部和卡瓦完全分为两个部分,卡瓦受力时,液压缸不受力,便于更换安装。
另外,在本夹持器中对于夹持直径不同的探杆时,调节过程是首先使用调节部的丝杠将某一卡瓦固定到一个具体位置,然后动力部带动动某一卡瓦移动以夹持不同直径的探杆,例如从直径36mm的探杆更换到直径40mm探杆时,无需更换卡瓦,只需调整卡瓦之间的距离就可以实现夹持,其他直径的探杆同样适用;本装置更换探杆简单快速,提高工作效率,减少零配件的使用。
护管在使用时,卡瓦的端面可以与护管配合卡紧,因此同样无需更换卡瓦,可以实现更大尺寸的杆件夹持使用。
本装置一侧手动调节卡瓦的位置,一侧自动调解卡瓦的位置,在实现调节的同时制造成本低。
在本实用新型中调节部和动力部的数量根据卡瓦的数量进行调整,不做限定。
另外,在本实用新型中,壳体的具体形状不做限定,根据实际使用的位置做调整,优选的是方形,便于运输和安装;其他的例如圆形或是多边形都可以。
实施例一
如图2—图5所示,在本实施例中,所述卡瓦座包括第一卡瓦座和第二卡瓦座,所述第一卡瓦座对应安装有第一卡瓦,所述第二卡瓦座对应安装有第二卡瓦;所述动力部与所述第一卡瓦座连接;所述调节部与所述第二卡瓦座连接。
在本实施例中,这里壳体是两端敞口的方形,在敞口的一端安装动力部另一端安装调节部;在使用时,只需要根据探杆尺寸的要求对调节部对第二卡瓦做固定,动力部让第一卡瓦靠近或远离第二卡瓦对探杆实现夹持。
实施例二
如图6所示,在本实施例中具有两个夹持部,一个动力部,实现对探杆的三点夹持,对于尺寸较大的探杆,可以夹持更稳定。
实施例三
如图7所示,在本实施例中,具有两个动力部和一个夹持部,这样在更换不同直径的探杆时,可以减少调节部的位置变动,实现快速稳定夹持。
以上所述仅为本实用新型的优选实施例而已,并不用于限制本实用新型,对于本领域的技术人员来说,本实用新型可以有各种更改和变化。凡在本实用新型的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本实用新型的保护范围之内。

Claims (10)

  1. 一种探杆夹持器,其特征在于:包括夹持部、动力部和调节部;
    所述夹持部包括壳体、卡瓦座、卡瓦;所述壳体上开设夹持孔,在所述夹持孔四周等间距设置若干所述卡瓦座,每一所述卡瓦座均可滑动的安装在所述壳体内;所述卡瓦固定在对应的所述卡瓦座上;
    每一所述卡瓦座对应连接所述动力部或所述调节部;
    所述动力部包括液压缸,所述液压缸的伸缩杆伸入所述壳体内部与对应的卡瓦座连接以推动该卡瓦座在所述壳体内滑动;
    所述调节部包括丝杠,所述丝杆的前端伸入所述壳体内部与对应的卡瓦座连接,所述丝杆的后端伸出壳体,所述丝杆后端上安装螺母。
  2. 根据权利要求1所述的探杆夹持器,其特征在于:所述卡瓦包括端面、端面上开设夹持槽,若干所述端面相对使所述夹持槽箍在探杆四周。
  3. 根据权利要求2所述的探杆夹持器,其特征在于:所述夹持槽为弧形槽。
  4. 根据权利要求3所述的探杆夹持器,其特征在于:所述夹持槽内表面设置防滑纹。
  5. 根据权利要求1或3所述的探杆夹持器,其特征在于:所述卡瓦座包括第一卡瓦座和第二卡瓦座,所述第一卡瓦座对应安装有第一卡瓦,所述第二卡瓦座对应安装有第二卡瓦;所述动力部与所述第一卡瓦座连接;所述调节部与所述第二卡瓦座连接。
  6. 根据权利要求1所述的探杆夹持器,其特征在于:在所述液压缸的管路上安装有液压锁。
  7. 根据权利要求1所述的探杆夹持器,其特征在于:在所述丝杠前端设置限位凸起。
  8. 根据权利要求1所述的探杆夹持器,其特征在于:在所述壳体上设置连接耳板。
  9. 根据权利要求4所述的探杆夹持器,其特征在于:与所述卡瓦配合使用的探杆的直径是36mm或40mm。
  10. 根据权利要求4所述的探杆夹持器,其特征在于:与所述卡瓦配合使用的护管直径为63.5mm。
PCT/CN2021/111072 2021-07-22 2021-08-06 一种探杆夹持器 WO2023000396A1 (zh)

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