WO2014202006A1 - 凿岩机伸缩臂及凿岩机 - Google Patents

凿岩机伸缩臂及凿岩机 Download PDF

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Publication number
WO2014202006A1
WO2014202006A1 PCT/CN2014/080231 CN2014080231W WO2014202006A1 WO 2014202006 A1 WO2014202006 A1 WO 2014202006A1 CN 2014080231 W CN2014080231 W CN 2014080231W WO 2014202006 A1 WO2014202006 A1 WO 2014202006A1
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Prior art keywords
arm
rock drill
fixed arm
telescopic
fixed
Prior art date
Application number
PCT/CN2014/080231
Other languages
English (en)
French (fr)
Inventor
卜东亮
史建明
埃尔文珀
赫登伯格马茨
周忠熙
郑雨苍
Original Assignee
阿特拉斯科普柯(南京)建筑矿山设备有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 阿特拉斯科普柯(南京)建筑矿山设备有限公司 filed Critical 阿特拉斯科普柯(南京)建筑矿山设备有限公司
Priority to US14/898,911 priority Critical patent/US9995091B2/en
Publication of WO2014202006A1 publication Critical patent/WO2014202006A1/zh

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Classifications

    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/025—Rock drills, i.e. jumbo drills

Definitions

  • the present invention relates to the field of rock drills, and more particularly to a rock drill telescopic arm and a rock drill equipped with the rock drill telescopic arm.
  • Background Rock drills are construction machines used for drilling blasting holes in open pit mining operations. They are mainly composed of a traveling mechanism, a frame, a power system, a rock drilling mechanism, a boom mechanism, a dust removal mechanism, and an electronic control system.
  • the boom mechanism is a device that connects the rock drilling mechanism and the frame, and supports the entire rock drilling mechanism. Through its action, the position of the rock drilling mechanism can be adjusted to achieve drilling operations in different positions and states.
  • the boom mechanism can be divided into three types: single arm, telescopic arm and folding arm. As shown in FIG.
  • the conventional telescopic arm includes a fixed arm 11 , a movable arm 13 and a telescopic cylinder 12 .
  • the fixed arm 11 is fitted on the movable arm 13 , and the movable arm 13 is pushed by the telescopic cylinder 12 in the fixed arm 11 . Sliding to achieve telescopic action.
  • four sliders 16 are mounted on the outer four sides of the tail portion of the movable arm 13, and four sliders 14 are also mounted on the inner four surfaces of the mouth of the fixed arm 11, and the slider 16 mounted on the movable arm is along The inner side of the fixed arm 11 slides, and the slider 14 mounted on the fixed arm facilitates sliding of the movable arm along the inner side of the fixed arm.
  • Adjusting washers 15 and 17 are provided between the slider and the movable arm and the fixed arm for controlling the height of the slider, thereby ensuring a gap between the movable arm and the fixed arm.
  • the telescopic arm of this structure has the following problems during assembly and use:
  • the present invention provides a rock drill telescopic arm and a rock drill equipped with the rock drill telescopic arm, so that the gap between the movable arm and the fixed arm is conveniently and evenly adjusted, and the adjustment block and the wear-resistant slider are easily replaced. .
  • the rock drill telescopic arm of the present invention comprises a fixed arm, a movable arm and a telescopic cylinder, and the fixed arm is sleeved on the movable arm, and a plurality of adjusting blocks are arranged in the fixed arm in a circumferential direction thereof.
  • the fixing arm is provided with a plurality of adjusting screws respectively for adjusting the positions of the adjusting blocks; at least a part of the adjusting blocks and the movable arm are provided with a wear-resistant slider,
  • the open end of the fixed arm is provided with a cage for preventing the wear-resistant slider from moving in the telescopic direction of the movable arm, and the movable arm is slidable along the wear-resistant slider by the telescopic cylinder driving.
  • the cage is detachably connected to the open end of the fixed arm.
  • the at least partial adjustment block is disposed at a position close to the open end of the fixed arm.
  • a cover plate is fixed on the fixing arm, and the adjusting screw is disposed on the cover plate.
  • the movable arm is disposed near the tail portion with a plurality of wear-resistant sliders along its circumferential direction.
  • a rock drilling machine configured with the rock drill telescopic arm of any of the above.
  • the rock drill telescopic arm and the rock drill of the present invention can adjust the gap between the fixed arm and the movable arm by adjusting the position of the adjusting block by the adjusting screw on the fixed arm, thereby ensuring the concentricity thereof, so that the movable arm can be smoothly stretched in the fixed arm. Ensure the normal operation of the rock drill telescopic arm. With this structure, the gap adjustment is convenient and uniform.
  • FIG. 1 is a schematic view of a rock drill telescopic arm of the prior art
  • FIG. 2 is a schematic view of a rock drill telescopic arm of the present invention
  • FIG. 3 is a schematic structural view of a rock drill telescopic arm of the present invention
  • Figure 5 is an enlarged cross-sectional view taken along line AA of Figure 2
  • Figure 6 is an enlarged cross-sectional view taken along line BB of Figure 2.
  • the rock drill telescopic arm of the present invention comprises a fixed arm 1, a movable arm 3 and a telescopic cylinder 2, and the fixed arm 1 is set on the movable arm 3, and the fixed arm 1 is disposed along the circumferential direction thereof.
  • the adjusting screw 4 can be screwed directly to the fixed arm 1 and the adjusting block 5, or the cover 6 can be arranged on the fixed arm 1, and the adjusting screw 4 is screwed to the cover 6 and the adjusting block 5.
  • the fixing arm 1 is provided with a hole slightly larger than the size of the adjusting block 5, which can conveniently adjust the installation, disassembly and position adjustment of the block 5, and the adjusting block 5 can be replaced by disassembling the cover plate 5. There is no need to disassemble the entire fixed arm 1, as shown in FIG.
  • a wear-resistant slider 7 is disposed between at least a part of the plurality of adjustment blocks 5 and the movable arm 3, and an open end of the fixed arm 1 (the end for the movable arm is the open end of the fixed arm 1)
  • a retainer 8 for preventing the wear-resistant slider 7 from moving in the telescopic direction of the movable arm 3 is provided, by which the wear-resistant slider 7 is restrained in the direction in which the movable arm 3 expands and contracts.
  • the holder 8 is a frame which can be surrounded by the periphery of the wear-resistant slider 7, and the holder 8 is fixed to the fixed arm 1 to prevent the movable arm 3 from moving the wear-resistant slider 7 during expansion and contraction.
  • the wear-resistant slider 7 can be moved closer to the side of the movable arm 3 and away from the side of the movable arm 3.
  • the holder 8 and the open end of the fixed arm 1 are detachably connected, such as a screw connection or the like.
  • the at least partial adjustment block 5 can be disposed at a position close to the open end of the fixed arm 1, so that the size of the holder 8 can be shortened, and the removal of the wear-resistant slider 7 on the holder 8 can be further facilitated.
  • the adjusting block 5 can appropriately adjust the position of the movable arm 3 in the fixed arm 1, so that the fixed arm 1 is concentric with the movable arm 3, so that the movable arm 3 can be expanded and contracted. .
  • the telescopic cylinder 2 drives the movable arm 3 to slide, the movable arm 3 slides along the wear-resistant slider 7 in the fixed arm 1 to realize the extension or retraction of the movable arm 3, thereby completing the rock drilling operation.
  • the adjusting block 5 can also be arranged at an intermediate position in the fixed arm 1, so that the movable arm 3 can slide along the adjusting block 5 and the aforementioned wear-resistant slider, thereby improving The smoothness of the sliding of the movable arm 3.
  • the adjusting block 5 can be disposed in the longitudinal direction of the fixed arm 1 and in the circumferential direction to further improve the uniformity of the gap adjustment between the fixed arm 1 and the movable arm 3.
  • the movable arm 3 is disposed near the tail portion (when the movable arm 3 is operated, the end of the fixed arm 1 is the head, and the end of the fixed arm 1 is the tail portion) is disposed along the circumferential direction thereof.
  • the rock drill telescopic arm of the present invention adjusts the gap between the movable arm 3 and the fixed arm 1 by the adjusting screw 4 in use so that the fixed arm 1 is concentric with the movable arm 3 so that the movable arm 3 slides within the fixed arm 1.
  • the wearable slider 7 in the fixed arm 1 near the extended end of the movable arm 3 and the wear-resistant slider 7 near the tail position of the movable arm 3 can further improve the smoothness of the sliding of the movable arm 3.
  • the adjusting block 5 in the fixed arm 1 and the position of the protruding end of the movable arm 3 and the wear-resistant slider 7 are convenient for disassembly and replacement, and are convenient for maintenance.
  • the present invention also includes a rock drilling machine comprising the rock drill telescopic arm described above. With the rock drill of the telescopic arm, the telescopic arm clearance is easy to adjust, and the adjustment block 5 is easy to replace.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

一种凿岩机伸缩臂，包括固定臂（1）、活动臂（3）及伸缩油缸（2），所述固定臂（1）套装在所述活动臂（3）上，所述固定臂（1）内沿其周向设置有多个调整块（5），所述固定臂（1）上设置有多个分别用于调节各所述调整块位置的调节螺杆（4）；所述多个调整块（5）中的至少部分调整块与所述活动臂之间设置有耐磨滑块（7），所述固定臂（1）的开口端设置有用于防止所述耐磨滑块（7）沿所述活动臂伸缩方向移动的保持架（8），所述活动臂（3）通过所述伸缩油缸（2）驱动可沿所述耐磨滑块（7）滑动。还公开了一种配置该凿岩机伸缩臂的凿岩机。采用该凿岩机伸缩臂及凿岩机，方便固定臂与活动臂之间的间隙调整。

Description

技术领域 本发明涉及凿岩机领域， 尤其涉及一种凿岩机伸缩臂及配置有该 凿岩机伸缩臂的凿岩机。 背景 凿岩机是用于在露天采矿作业中， 进行钻爆破孔作业的施工机械， 主要由行走机构、 车架、 动力系统、 凿岩机构、 臂架机构、 除尘机构 和电控系统等构成。 臂架机构是连接凿岩机构和车架的装置， 支撑了 整个凿岩机构， 通过其动作可调整凿岩机构的位置， 实现在不同位置 及状态的钻孔作业。 臂架机构可分为单臂、 伸缩臂和折叠臂三种类型。 如附图 1所示， 现有的伸缩臂包括固定臂 11、 活动臂 13及伸缩油缸 12， 固定臂 11套装于活动臂 13上， 活动臂 13在伸缩油缸 12的推动 下在固定臂 11 内滑动实现伸缩动作。 通常情况下， 活动臂 13尾部的 外侧四面安装有四个滑块 16，在固定臂 11 口部的内侧四个表面同样安 装有四个滑块 14， 安装在活动臂上的滑块 16沿着固定臂 11的内侧滑 动， 安装在固定臂上的滑块 14便于活动臂沿着固定臂内侧滑动。 滑块 与活动臂、 固定臂之间设有调整垫片 15和 17， 用于控制滑块的高度， 从而保证活动臂与固定臂之间的间隙。 这种结构的伸缩臂在装配和使用过程中存在以下问题：
( 1 )受到活动臂及固定臂的制造误差影响， 为确保活动臂沿固定 臂伸缩时动作顺畅， 在活动臂与固定臂安装时， 需要通过加装不同厚 度的调整垫片使滑块与活动臂及固定臂之间的间隙均匀， 但这种调整 在装配时不易操作， 需要多次试装， 费时费力；
(2 )当滑块磨损时， 间隙增大， 需要将活动臂及固定臂完全拆开， 增加调整垫片或更换滑块， 拆装复杂。 发明内容 为解决上述问题， 本发明提供一种凿岩机伸缩臂及配置有该凿岩 机伸缩臂的凿岩机， 使得活动臂与固定臂之间的间隙调节方便、 均匀， 并且易于更换调整块及耐磨滑块。 为实现上述目的， 本发明的凿岩机伸缩臂， 包括固定臂、 活动臂 及伸缩油缸， 所述固定臂套装在所述活动臂上， 所述固定臂内沿其周 向设置有多个调整块， 所述固定臂上设置有多个分别用于调节各所述 调整块位置的调节螺杆； 所述多个调整块中的至少部分调整块与所述 活动臂之间设置有耐磨滑块， 所述固定臂的开口端设置有用于防止所 述耐磨滑块沿所述活动臂伸缩方向移动的保持架， 所述活动臂通过所 述伸缩油缸驱动可沿所述耐磨滑块滑动。 优选地， 所述保持架与所述固定臂的开口端为可拆卸连接。 优选地， 所述至少部分调整块设置在靠近固定臂的开口端的位置。 优选地， 所述固定臂上固定有盖板， 所述调节螺杆设置在盖板上。 优选地， 所述活动臂靠近尾部的位置沿其周向设置有多个耐磨滑 块。 一种凿岩机， 其配置有上述任一项所述的凿岩机伸缩臂。 本发明的凿岩机伸缩臂及凿岩机， 通过固定臂上的调节螺杆调节 调整块的位置即可调整固定臂与活动臂之间的间隙， 保证其同心度， 以便活动臂在固定臂内伸缩时顺畅， 保证凿岩机伸缩臂的正常运行。 这种结构， 间隙调节方便且调整均匀。 同时， 由于部分调整块及耐磨 滑块设置在靠近固定臂开口端的位置， 可以缩短保持架的尺寸， 使得 该部分的调整块及耐磨滑块拆装更加方便， 易于更换。 附图说明 图 1为现有技术中凿岩机伸缩臂的示意图； 图 2为本发明凿岩机伸缩臂的示意图； 图 3为本发明凿岩机伸缩臂的结构示意图； 图 4为图 3中 A部分的局部放大图； 图 5为图 2中 A-A向剖视放大图； 图 6为图 2中 B-B向剖视放大图。 具体雄方式 如图 2〜6所示， 本发明的凿岩机伸缩臂， 包括固定臂 1、 活动臂 3 及伸缩油缸 2， 固定臂 1套装在活动臂 3上， 固定臂 1内沿其周向设置 有多个调整块 5，固定臂 1上设置有多个分别用于调节各调整块 5位置 的调节螺杆 4。该调节螺杆 4可以直接与固定臂 1及调整块 5螺纹连接， 也可以在固定臂 1上设置盖板 6，调节螺杆 4与盖板 6及调整块 5螺纹 连接。 后一种方式， 固定臂 1上开有略大于调整块 5尺寸的孔， 可以 方便调整块 5的安装、拆卸及位置调节， 拆开盖板 6即可更换调整块 5 而无需拆开整个固定臂 1， 如图 4所示。多个调整块 5中的至少部分调 整块 5与活动臂 3之间设置有耐磨滑块 7， 固定臂 1的开口端（以用于 活动臂装入的一端为固定臂 1 的开口端） 设置有用于防止耐磨滑块 7 沿着活动臂 3伸缩方向移动的保持架 8，耐磨滑块 7通过该保持架 8对 其沿着活动臂 3伸缩方向限位。 保持架 8为一框体， 其可以包围在耐磨滑块 7的周边， 保持架 8 固定在固定臂 1上， 以防止活动臂 3在伸缩时带动耐磨滑块 7运动。 同时， 耐磨滑块 7可以向靠近活动臂 3—侧以及远离活动臂 3—侧移 动。 为方便该耐磨滑块 7的取出， 保持架 8与固定臂 1的开口端使用 可拆卸地连接方式， 如螺纹连接等。 前述至少部分调整块 5 可以设置 在靠近固定臂 1 的开口端的位置， 这样， 可以缩短保持架 8的尺寸， 进一步方便保持架 8上的耐磨滑块 7的取出。 通过调节螺杆 4与调整块 5的配合使用， 在调节调节螺杆 4时， 调整块 5可以适当调整活动臂 3在固定臂 1 内位置， 使得固定臂 1与 活动臂 3同心， 以便活动臂 3伸缩。 在伸缩油缸 2驱动活动臂 3滑动 时， 活动臂 3沿固定臂 1 内的耐磨滑块 7滑动， 实现活动臂 3的伸出 或缩回， 从而完成凿岩作业。 为进一步方便活动臂 3在固定臂 1 内的滑动， 还可以在固定臂 1 内的中间位置设置调整块 5，使得活动臂 3能够沿该调整块 5及前述的 耐磨滑块滑动， 提高了活动臂 3滑动的顺畅性。 当然， 该调整块 5可 以在固定臂 1 的长度方向以及周向多处设置， 以进一步提高固定臂 1 与活动臂 3间隙调整的均匀性。 同样， 为方便活动臂 3滑动， 活动臂 3靠近尾部 （以活动臂 3工 作时， 伸出固定臂 1 的一端为头部， 位于固定臂 1 内的一端为尾部） 的位置沿其周向设置有多个耐磨滑块 7。 本发明的凿岩机伸缩臂， 在使用时通过调节螺杆 4调整活动臂 3 与固定臂 1之间的间隙， 使得固定臂 1与活动臂 3同心， 以便活动臂 3 在固定臂 1 内滑动。 在固定臂 1 内、 靠近活动臂 3伸出端位置的耐磨 滑块 7以及活动臂 3靠近尾部位置的耐磨滑块 7，可以进一步提高活动 臂 3滑动的顺畅性。 同时， 固定臂 1 内、 靠近活动臂 3伸出端位置的 调整块 5以及耐磨滑块 7便于拆装、 更换， 方便检修。 另外， 本发明还包括一种凿岩机， 其包括上述的凿岩机伸缩臂。 采用该伸缩臂的凿岩机， 伸缩臂间隙易于调整， 并且调整块 5 易于更 换。

Claims

权 利 要 求
1、 一种凿岩机伸缩臂， 包括固定臂、 活动臂及伸缩油缸， 所述固 定臂套装在所述活动臂上， 其特征在于， 所述固定臂内沿其周向设置 有多个调整块， 所述固定臂上设置有多个分别用于调节各所述调整块 位置的调节螺杆； 所述多个调整块中的至少部分调整块与所述活动臂 之间设置有耐磨滑块， 所述固定臂的开口端设置有用于防止所述耐磨 滑块沿所述活动臂伸缩方向移动的保持架， 所述活动臂通过所述伸缩 油缸驱动可沿所述耐磨滑块滑动。
2、 如权利要求 1所述的凿岩机伸缩臂， 其特征在于， 所述保持架 与所述固定臂的开口端为可拆卸连接。
3、 如权利要求 1所述的凿岩机伸缩臂， 其特征在于， 所述至少部 分调整块设置在靠近固定臂的开口端的位置。
4、 如权利要求 1所述的凿岩机伸缩臂， 其特征在于， 所述固定臂 上固定有盖板， 所述调节螺杆设置在盖板上。
5、 如权利要求 1所述的凿岩机伸缩臂， 其特征在于， 所述活动臂 靠近尾部的位置沿其周向设置有多个耐磨滑块。
6、 一种凿岩机， 其特征在于， 其配置有如权利要求 1至 5中任一 项所述的凿岩机伸缩臂。
PCT/CN2014/080231 2013-06-19 2014-06-18 凿岩机伸缩臂及凿岩机 WO2014202006A1 (zh)

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US14/898,911 US9995091B2 (en) 2013-06-19 2014-06-18 Rock drill telescopic arm and rock drill

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CN201310245700.2 2013-06-19
CN2013102457002A CN103382811A (zh) 2013-06-19 2013-06-19 凿岩机伸缩臂及凿岩机

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