WO2021213140A1 - 一种钻机用自动储杆机构 - Google Patents

一种钻机用自动储杆机构 Download PDF

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Publication number
WO2021213140A1
WO2021213140A1 PCT/CN2021/083774 CN2021083774W WO2021213140A1 WO 2021213140 A1 WO2021213140 A1 WO 2021213140A1 CN 2021083774 W CN2021083774 W CN 2021083774W WO 2021213140 A1 WO2021213140 A1 WO 2021213140A1
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WIPO (PCT)
Prior art keywords
rod
support arm
storage mechanism
automatic
oil seal
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PCT/CN2021/083774
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English (en)
French (fr)
Inventor
顾建戴
刘长驰
朱蓉洁
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江苏省无锡探矿机械总厂有限公司
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Application filed by 江苏省无锡探矿机械总厂有限公司 filed Critical 江苏省无锡探矿机械总厂有限公司
Publication of WO2021213140A1 publication Critical patent/WO2021213140A1/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
    • E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
    • E21B19/15—Racking of rods in horizontal position; Handling between horizontal and vertical position

Definitions

  • the invention belongs to the technical field of drilling rigs for construction machinery, in particular to realize automatic storage of drill rods, and relates to an automatic rod storage mechanism for drilling rigs.
  • the hydraulic drilling rig with automatic rod extension function is a new type of drilling rig. Compared with traditional drilling rigs, it has the advantages of low labor intensity, good safety, and high work efficiency.
  • the automatic rod storage mechanism is the key mechanism of the new hydraulic drilling rig, which can transport, store and output drill rods according to a given trajectory.
  • This kind of rod storage mechanism improves the work efficiency of the drilling rig and reduces the labor intensity of the workers.
  • major infrastructure construction sites are being promoted and applied.
  • the rod storage box used in this type of automatic rod-repeating hydraulic drilling rig has the following problems: the drill rod is easy to jam in the box; the rod storage mechanism is complicated; and the versatility is not good enough.
  • the purpose of the present invention is to provide an automatic rod storage mechanism for a drilling rig.
  • the automatic rod storage included in the device specifically addresses the above-mentioned construction problems, and can well realize this series of actions, achieve the purpose of automatic operation, and improve drilling efficiency. , Compress construction costs.
  • the device has a certain versatility and can be modified on different drilling rigs to meet the construction of drill rods of different diameters and lengths. It has a good technical and market prospects.
  • an automatic rod storage mechanism for a drilling rig includes an upper support arm and a lower support arm.
  • a rod storage rotation driving device is installed on the side of the upper support arm, and the rod storage rotation driving device is connected to one end of the central rod ,
  • the other end of the center rod is rotatably installed in the lower support arm, and a fixing clip and a spacer wheel are installed on the outer periphery of the middle of the center rod; .
  • a locking thread section, a bearing mounting gear, and an oil seal mounting gear are sequentially arranged on the center rod;
  • the lower support arm is rotatably connected to the center rod through a bearing;
  • the inner ring of the bearing is sleeved on the The outer periphery of the bearing installation gear, the outer ring of the bearing is sleeved in the lower support arm, and the locking screw section is sleeved with a lock nut;
  • On the side of the lower support arm, an oil seal is installed in the oil seal cover, and the oil seal is sleeved on the outer periphery of the oil seal installation gear.
  • a fixing clamp mounting flange is arranged on the central rod, a plurality of fixing clamps are installed on the outer circumferential surface of the fixing clamp mounting flange evenly in a radial direction, and the lower part of the fixing clamp is an installation through hole.
  • the fixing clip is molded from a spring steel plate.
  • a spacer wheel is installed on the center rod, and a drill rod contacting arc surface is opened on the radial circumferential surface of the spacer wheel.
  • the contact surface of the drill rod is arc-shaped, and the mounting holes of the spacer are waist-shaped holes, which are evenly distributed in the radial direction.
  • the storage rod rotation driving device is a worm reducer
  • the worm reducer output component is the worm reducer output turntable.
  • a through hole is opened in the middle of the output turntable of the worm reducer, a connecting shaft is mounted on the right end of the center rod, an angle sensor is mounted on the upper support arm, and the input end of the angle sensor is connected to the The shafts are connected by couplings.
  • a partition cover is provided on the upper support arm and the lower support arm, and the partition cover is provided with a drill rod inlet and outlet.
  • a photoelectric sensor is installed on the partition cover, and the photoelectric sensor is located on one side of the entrance of the drill rod.
  • the invention has a simple structure and small space occupation; the rotation power of the rod storage bin comes from a worm reducer, with stable output, good self-locking performance, easy purchase and convenient maintenance.
  • the angle sensor and the photoelectric sensor are used for mutual verification of the drill rod entry and exit bin and the rod storage bin rotation of the present invention, and the reliability is higher.
  • the drill rod fixing clip of the present invention adopts spring steel material, which increases the reliability of the device and increases the durability.
  • Figure 1 is a schematic diagram of the structure of the present invention.
  • Fig. 2 is a schematic diagram of the structure of the center rod of the present invention.
  • Figure 3 is a schematic diagram of the structure of the spacer wheel of the present invention.
  • Fig. 4 is a schematic diagram of the structure of the fixing clip of the present invention.
  • Fig. 5 is a schematic diagram of the installation of the fixing clip of the present invention.
  • Figure 6 is a front view of the enclosure of the present invention.
  • Figure 7 is a side view of the enclosure of the present invention.
  • Figure 1-7 it includes the dust cover 1, the spacer 2, the oil seal cover 3, the center rod 4, the locking thread section 4-1, the bearing installation file 4-2, the oil seal installation file 4-3, and the fixing clip installation method Lan 4-4, central rod rotation connecting part 4-5, spacer wheel mounting flange 4-6, spacer wheel 5, drill rod contact surface 5-1, fixing clamp 6, elastic opening 6-1, elastic rod storage arc surface 6-2, installation through hole 6-3, photoelectric sensor 7, partition 8, connecting shaft 9, worm reducer 10, coupling 11, upper support arm 14, angle sensor 15, oil seal 21, bearing 23, lower support Arm 24, fixed plate 28, drill rod 29, etc.
  • the present invention is an automatic rod storage mechanism for drilling rigs, which includes an upper support arm 14 and a lower support arm 24.
  • the side of the upper support arm 14 is equipped with a rod storage rotation driving device, and the rod storage rotation driving device is connected to the center rod 4.
  • One end and the other end of the central rod 4 are rotatably installed in the lower support arm 24, and a fixing clamp 6 and a spacer wheel 5 are installed on the outer periphery of the middle of the central rod 4.
  • the center rod 4 is provided with a locking thread section 4-1, bearing mounting file 4-2, oil seal mounting file 4-3, fixing clamp mounting flange 4-4, and center rod rotation from left to right. Connecting part 4-5.
  • a spacer wheel mounting flange 4-6 is provided on one side of the fixing clamp mounting flange 4-4.
  • a connecting shaft 9 is mounted on the right end of the center rod 4.
  • the center rod 4 and the lower support arm 24 are rotatably connected by a pair of bearings 23.
  • the inner ring of the bearing 23 is sleeved on the outer circumference of the bearing mounting gear 4-2, the outer ring of the bearing 23 is sleeved in the lower support arm 24, and a locking nut is sleeved on the locking threaded section 4-1 to axially fix the bearing 23.
  • An oil seal cover 3 is arranged on the outer periphery of the oil seal mounting gear 4-3, which is installed on the side of the lower support arm 24 through a threaded structure, an oil seal 21 is installed in the oil seal cover 3, and the oil seal 21 is sleeved on the outer periphery of the oil seal mounting gear 4-3 to protect the bearing 23.
  • the fixing clamps 4 are made of spring steel plate. Compression molding, as shown in Figure 4, the upper part of the fixing clip 6 is an elastic opening 6-1, the lower part of the elastic opening 6-1 is an elastic storage rod arc surface 6-2, and the lower part of the fixing clip 6 is an installation through hole 6-3.
  • the size of the elastic opening 6-1 and the curved surface of the elastic rod storage 6-2 is slightly smaller than the outer diameter of the drill rod 29.
  • the center rod 4 is provided with two spacer wheel mounting flanges 4-6, and the spacer wheel mounting flange 4-6 is provided with axial mounting screw holes, and the spacer wheel 5 is installed by bolts, as shown in Figure 3, the spacer wheel 5 is radially circumferential
  • An arc-shaped drill rod contact surface 5-1 is opened on the surface.
  • the arc-shaped drill rod contact surface 5-1 rigidly supports the drill rod 29.
  • the center rod 4 rotates, the arc-shaped drill rod contact surface 5-1 drives the drill rod 29 to rotate.
  • the mounting holes of the spacer 5 are waist-shaped holes, which are evenly distributed in the radial direction, and can have a certain amount of adjustment for convenient installation, and are used for concentric adjustment of the upper and lower positions.
  • the storage rod rotation driving device is a worm reducer 10, which has good self-locking performance, and its power is provided by its own hydraulic motor.
  • the center rod rotation connection part 4-5 is the center rod rotation connection hole.
  • the output part of the worm reducer 10 is the worm reducer 10 output turntable.
  • the locking bolt passes through the center rod connection hole and connects to the worm reducer 10 output turntable to complete the center rod. 4 Connection with worm reducer 10.
  • the middle of the output turntable of the worm reducer 10 is a through hole.
  • the right end of the center rod 4 is equipped with a connecting shaft 9, and an angle sensor 15 is installed on the upper support arm 14.
  • the coupling 11 is located in the middle through hole of the output turntable of the worm reducer 10.
  • the upper support arm 14 and the lower support arm 24 are provided with a partition cover 8, as shown in Figs.
  • the partition cover 8 is provided with a drill rod exit port 8-1 for a channel for the drill rod 29 to enter and exit the warehouse.
  • a photoelectric sensor 7 is installed on the partition 8, and the photoelectric sensor 7 is located at one side of the drill rod entrance 8-1, and is used to capture the signal of whether the drill rod 29 enters the warehouse.
  • the drill rod 29 moves radially to the top of the fixing clamp 6, and continues to push the drill rod 29.
  • the elastic opening 6-1 is supported by the drill rod 29, the drill rod 29 enters the elastic rod storage arc 6-2 and is held tightly, the elastic opening 6 1 Then it shrinks to complete the axial and radial fixation of the drill rod 29. Both ends of the drill rod 29 enter the mechanism from the drill rod entrance 8-1.
  • the spacer 5 supports the drill rod 29 rigidly (when the drill rod 29 is located above the horizontal plane of the central rod axis), when the drill rod 29 is located below the horizontal plane of the central rod axis, the clamping of the drill rod 29 is all provided by the fixing clamp 5.
  • the worm reducer 10 starts, the output turntable of the worm reducer 10 drives the center rod 4 to rotate, the spacer 5 and the fixing clamp 6 drive the drill rod 29 to rotate, so that the empty fixing clamp 6 is turned to the bottom of the drill rod inlet and outlet 8-1, and the drill rod 29 Put it in the body again.

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Abstract

一种钻机用自动储杆机构，包括上支撑臂(14)和下支撑臂(24)，所述上支撑臂(14)侧面安装储杆转动驱动装置，所述储杆转动驱动装置连接中心杆(4)一端，所述中心杆(4)另一端转动安装在所述下支撑臂(24)中，所述中心杆(4)中部外周安装固定夹(6)和隔轮(5)；所述固定夹(6)上部为弹性开口(6-1)，所述弹性开口(6-1)下部为弹性储杆弧面(6-2)。该机构结构简单，占用空间小；转动动力来源于蜗杆减速器，输出稳定，自锁性好，易于采购，方便维护；采用角度传感器和光电传感器信号互为验证，可靠性更高；钻杆固定夹采用弹簧钢材料，增加了本装置的使用可靠性，增加了耐用度。

Description

一种钻机用自动储杆机构 技术领域
本发明属于工程机械的钻机技术领域，具体地说是实现钻杆的自动储存，涉及钻机用自动储杆机构。
背景技术
随着国内各类基建投资的快速增加，大量建设工程对各型工程钻机的需求量也日益增加，对钻机的自动化操控要求也越来越高，钻机在施工过程中，除了满足性能和效率的要求外，更要保证工作人员的安全。传统钻机的工作方式需要人力进行钻杆的加接和拆卸，但是随着作业面的不断变化和钻机工作高度的不断增高，原来的手工装卸钻杆方式已经越来越不能满足，一是钻杆的直径和长度在增加，单根钻杆的重量在加大，一般人力已无法搬运，钻杆连接时的对中和旋紧等动作会变得更加困难；二是随着作业面高度的增加，工人需要登高并且要借助其他起吊装备才能实现作业，既不方便也不安全。
具有自动续杆功能的液压钻机是一种新型钻机，与传统钻机相比，具有劳动强度低、安全性好、工作效率高等优点。自动储杆机构是该新型液压钻机的关键机构，能够将钻杆按照给定轨迹运送储存和输出。
此类储杆机构提高了钻机的工作效率、降低了工人的劳动强度，目前各大基建工地正在推广应用。但是，该类自动续杆的液压钻机所应用的储杆箱存在以下问题：钻杆容易在箱体内卡塞；储杆机构复杂；通用性不够好。
发明内容
本发明的目的在于提供一种钻机用自动储杆机构，本装置所含的自动储杆专门针对上述施工问题，可以很好地实现这一系列的动作，达到自动化操作的目的，提高钻进效率，压缩施工成本。本装置具备一定的通用性，可以在不同的钻机上进行改装，满足不同直径和不同长度的钻杆施工，有很好的技术前景和市场前景。
按照本发明提供的技术方案：一种钻机用自动储杆机构，包括上支撑臂和下支撑臂，所述上支撑臂侧面安装储杆转动驱动装置，所述储杆转动驱动装置连接中心杆一端，所述中心杆另一端转动安装在所述下支撑臂中，所述中心杆中部外周安装固定夹和隔轮；所述固定夹上部为弹性开口，所述弹性开口下部为弹性储杆弧面。
作为本发明的进一步改进，所述中心杆上依次设置锁紧螺纹段、轴承安装档、油封安装档；所述下支撑臂通过轴承转动连接所述中心杆；所述轴承内圈套设于所述轴承安装档外周，所述轴承外圈套设于所述下支撑臂内，所述锁紧螺纹段上套设锁紧螺母；所述油封安装档外周设置油封盖，所述油封盖安装在所述下支撑臂侧面，所述油封盖中安装油封，所述油封套设于所述油封安装档外周。
作为本发明的进一步改进，所述中心杆上设置固定夹安装法兰，所述固定夹安装法兰外圆周面径向均匀安装数个所述固定夹，所述固定夹下部为安装通孔。
作为本发明的进一步改进，所述固定夹由弹簧钢板模压成型。
作为本发明的进一步改进，所述中心杆上安装隔轮，所述隔轮径向圆周面上开有钻杆接触弧面。
作为本发明的进一步改进，所述钻杆接触面为圆弧型，所述隔轮的安装孔为腰形孔，径向均匀分布。
作为本发明的进一步改进，所述储杆转动驱动装置为蜗杆减速器，所述蜗杆减速器输出部件为所述蜗杆减速器输出转盘。
作为本发明的进一步改进，所述蜗杆减速器输出转盘中间开有通孔，所述中心杆右端安装连接轴，所述上支撑臂上安装角度传感器，所述角度传感器的输入端与所述连接轴通过联轴器进行连接。
作为本发明的进一步改进，所述上支撑臂和所述下支撑臂上设置隔罩，所述隔罩开设有钻杆出入口。
作为本发明的进一步改进，所述隔罩上安装有光电传感器，所述光电传感器位于所述钻杆出入口的一侧。
本发明的积极进步效果在于：
1、本发明结构简单，占用空间小；储杆仓的转动动力来源于蜗杆减速器，输出稳定，自锁性好，易于采购，方便维护。
2、本发明钻杆进出仓和储杆仓转动采用角度传感器和光电传感器信号互为验证，可靠性更高。
3、本发明钻杆固定夹采用弹簧钢材料，增加了本装置的使用可靠性，增加了耐用度。
附图说明
图1为本发明的结构示意图。
图2为本发明中心杆的结构示意图。
图3为本发明隔轮的结构示意图。
图4为本发明固定夹的结构示意图。
图5为本发明固定夹安装的结构示意图。
图6为本发明隔罩的正视图。
图7为本发明隔罩的侧视图。
具体实施方式
下面结合附图对本发明的具体实施方式作进一步的说明。
图1-7中，包括防尘盖1、隔套2、油封盖3、中心杆4、锁紧螺纹段4-1、轴承安装档4-2、油封安装档4-3、固定夹安装法兰4-4、中心杆转动连接部4-5、隔轮安装法兰4-6、隔轮5、钻杆接触面5-1、固定夹6、弹性开口6-1、弹性储杆弧面6-2、安装通孔6-3、光电传感器7、隔罩8、连接轴9、蜗杆减速器10、联轴器11、上支撑臂14、角度传感器15、油封21、轴承23、下支撑臂24、固定板28、钻杆29等。
如图1所示，本发明是一种钻机用自动储杆机构，包括上支撑臂14和下支撑臂24，上支撑臂14侧面安装储杆转动驱动装置，储杆转动驱动装置连接中心杆4一端，中心杆4另一端转动安装在下支撑臂24中，中心杆4中部外周安装固定夹6和隔轮5。
如图2所示，中心杆4上从左至右依次设置锁紧螺纹段4-1、轴承安装档4-2、油封安装档4-3、固定夹安装法兰4-4、中心杆转动连接部4-5。固定夹安装法兰4-4一侧设置隔轮安装法兰4-6。中心杆4右端面安装连接轴9。
中心杆4与下支撑臂24之间通过一对轴承23转动连接。轴承23内圈套设于轴承安装档4-2外周，轴承23外圈套设于下支撑臂24内，锁紧螺纹段4-1上套设锁紧螺母，对轴承23轴向固定。
油封安装档4-3外周设置油封盖3，油封盖3通过螺纹结构安装在下支撑臂24侧面，油封盖3中安装油封21，油封21套设于油封安装档4-3外周，保护轴承23。
中心杆4上设置2个固定夹安装法兰4-4，如图5所示，固定夹安装法兰4-4外周端面径向通过螺栓均匀安装数个固定夹6，固定夹6由弹簧钢板模压成型，如图4所示，固定夹6上部为弹性开口6-1，弹 性开口6-1下部为弹性储杆弧面6-2，固定夹6下部为安装通孔6-3，用来安装螺栓，弹性开口6-1、弹性储杆弧面6-2的尺寸略小于钻杆29的外径尺寸，当钻杆29被推入时，弹性开口6-1被钻杆29撑开，钻杆29进入弹性储杆弧面6-2被抱紧，弹性开口6-1随后收缩，完成钻杆29轴向和径向的固定。
中心杆4上设置2个隔轮安装法兰4-6，隔轮安装法兰4-6设置轴向安装螺孔，通过螺栓安装隔轮5，如图3所示，隔轮5径向圆周面上开有弧型的钻杆接触面5-1，当钻杆29位于弹性储杆弧面6-2中时，弧型的钻杆接触面5-1对钻杆29进行刚性支撑，当中心杆4转动时，弧型的钻杆接触面5-1带动钻杆29旋转。
隔轮5的安装孔为腰形孔，径向均匀分布，方便安装时可以有一定的调节量，用于上下的两处的同心调节。
在本实施例中，储杆转动驱动装置为蜗杆减速器10，蜗杆减速器有很好的自锁性能，其动力由其自身所带的液压马达提供。中心杆转动连接部4-5为中心杆转动连接孔，蜗杆减速器10输出部件为蜗杆减速器10输出转盘，锁紧螺栓穿过中心杆连接孔后连接蜗杆减速器10输出转盘，完成中心杆4与蜗杆减速器10的连接。
蜗杆减速器10输出转盘中间为通孔，中心杆4右端安装连接轴9，上支撑臂14上安装角度传感器15，角度传感器15传感轴与连接轴9通过联轴器11进行连接。联轴器11位于蜗杆减速器10输出转盘中间通孔中。
上支撑臂14和下支撑臂24上设置隔罩8，如图6-7所示，隔罩8为圆仓结构，防止杂质污物进入钻杆29两端部。隔罩上8开设有钻杆出入口8-1，用于钻杆29进出仓的通道。
隔罩8上安装有光电传感器7，光电传感器7位于钻杆出入口8-1的一侧，用于捕捉钻杆29是否进仓的信号。
本发明的工作过程如下：
钻杆29径向移动至固定夹6上方，继续推动钻杆29，弹性开口6-1被钻杆29撑开，钻杆29进入弹性储杆弧面6-2被抱紧，弹性开口6-1随后收缩，完成钻杆29轴向和径向的固定。钻杆29两端从钻杆出入口8-1进入本机构。隔轮5对钻杆29进行刚性支撑(钻杆29位于中心杆轴线水平面以上时)，当钻杆29位于中心杆轴线水平面以下时，钻杆29的夹紧全由固定夹5提供。
蜗杆减速器10启动，蜗杆减速器10输出转盘带动中心杆4转动， 隔轮5和固定夹6带动钻杆29旋转，使空的固定夹6转至钻杆出入口8-1下方，钻杆29再次放入本机构。

Claims (10)

  1. 一种钻机用自动储杆机构，其特征在于：所述机构包括上支撑臂(14)和下支撑臂(24)，所述上支撑臂(14)侧面安装储杆转动驱动装置，所述储杆转动驱动装置连接中心杆(4)一端，所述中心杆(4)另一端转动安装在所述下支撑臂(24)中，所述中心杆(4)中部外周安装固定夹(6)和隔轮(5)；所述固定夹(6)上部为弹性开口(6-1)，所述弹性开口(6-1)下部为弹性储杆弧面(6-2)。
  2. 如权利要求1所述的钻机用自动储杆机构，其特征在于：所述中心杆(4)上依次设置锁紧螺纹段(4-1)、轴承安装档(4-2)、油封安装档(4-3)；所述下支撑臂(24)通过轴承(23)转动连接所述中心杆(4)；所述轴承(23)内圈套设于所述轴承安装档(4-2)外周，所述轴承(23)外圈套设于所述下支撑臂(24)内，所述锁紧螺纹段(4-1)上套设锁紧螺母；所述油封安装档(4-3)外周设置油封盖(3)，所述油封盖(3)安装在所述下支撑臂(24)侧面，所述油封盖(3)中安装油封(21)，所述油封(21)套设于所述油封安装档(4-3)外周。
  3. 如权利要求1所述的钻机用自动储杆机构，其特征在于：所述中心杆(4)上设置固定夹安装法兰(4-4)，所述固定夹安装法兰(4-4)外圆周面径向均匀安装数个所述固定夹(6)，所述固定夹(6)下部为安装通孔(6-3)。
  4. 如权利要求3所述的钻机用自动储杆机构，其特征在于：所述固定夹(6)由弹簧钢板模压成型。
  5. 如权利要求1所述的钻机用自动储杆机构，其特征在于：所述中心杆(4)上安装隔轮(5)，所述隔轮(5)径向圆周面上开有钻杆接触面(5-1)。
  6. 如权利要求5所述的钻机用自动储杆机构，其特征在于：所述钻杆接触面(5-1)为圆弧型，所述隔轮(5)的安装孔为腰形孔，径向均匀分布。
  7. 如权利要求1所述的钻机用自动储杆机构，其特征在于：所述储杆转动驱动装置为蜗杆减速器(10)，所述蜗杆减速器(10)输出部件为所述蜗杆减速器(10)输出转盘。
  8. 如权利要求7所述的钻机用自动储杆机构，其特征在于：所述 蜗杆减速器(10)输出转盘中间开有通孔，所述中心杆(4)右端安装连接轴(9)，所述上支撑臂(14)上安装角度传感器(15)，所述角度传感器(15)的输入轴与所述连接轴(9)通过联轴器(11)进行连接。
  9. 如权利要求1所述的钻机用自动储杆机构，其特征在于：所述上支撑臂(14)和所述下支撑臂(24)上设置隔罩(8)，所述隔罩(8)开设有钻杆出入口(8-1)。
  10. 如权利要求9所述的钻机用自动储杆机构，其特征在于：所述隔罩(8)上安装有光电传感器(7)，所述光电传感器(7)位于所述钻杆出入口(8-1)的一侧。
PCT/CN2021/083774 2020-04-20 2021-03-30 一种钻机用自动储杆机构 WO2021213140A1 (zh)

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