WO2012009948A1 - 挖掘机的液压凿岩钻机 - Google Patents

挖掘机的液压凿岩钻机 Download PDF

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Publication number
WO2012009948A1
WO2012009948A1 PCT/CN2011/000343 CN2011000343W WO2012009948A1 WO 2012009948 A1 WO2012009948 A1 WO 2012009948A1 CN 2011000343 W CN2011000343 W CN 2011000343W WO 2012009948 A1 WO2012009948 A1 WO 2012009948A1
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WO
WIPO (PCT)
Prior art keywords
excavator
cylinder
drilling machine
rig
drill
Prior art date
Application number
PCT/CN2011/000343
Other languages
English (en)
French (fr)
Inventor
唐忠盛
Original Assignee
Tang Zhongsheng
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.)
Filing date
Publication date
Priority claimed from CN 201010232995 external-priority patent/CN101906936B/zh
Priority claimed from CN2010202663482U external-priority patent/CN201738808U/zh
Priority claimed from CN2011200324252U external-priority patent/CN201943579U/zh
Priority claimed from CN 201110032662 external-priority patent/CN102146770B/zh
Application filed by Tang Zhongsheng filed Critical Tang Zhongsheng
Publication of WO2012009948A1 publication Critical patent/WO2012009948A1/zh

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/025—Rock drills, i.e. jumbo drills
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/963—Arrangements on backhoes for alternate use of different tools
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/16—Machines for digging other holes in the soil
    • E02F5/20—Machines for digging other holes in the soil for vertical holes

Definitions

  • the present invention relates to a construction machine, and more particularly to a hydraulic rock drilling rig mounted on an excavator.
  • Hydraulic rock drilling rigs have been well applied in foreign engineering construction and mining operations because of their high efficiency, energy saving, and good working conditions.
  • countries such as Sweden and France compared the energy consumption of hydraulic rock drilling equipment with pneumatic rock drilling equipment in the late 1970s. Their ratio is 1: 3.85; and the cost per metre of blastholes is 1: 1. 3.
  • statistics and comparative figures used in China's railway, hydropower and mining sectors have confirmed this.
  • pneumatic augmentation equipment is still widely used in China.
  • the technical problem to be solved by the present invention is to provide a hydraulic rock drilling rig for an excavator, which enables high work efficiency, energy saving, simple operation and simple maintenance.
  • the present invention solves the above technical problems with the following technical solutions:
  • the hydraulic rock drilling rig of the excavator of the present invention is composed of an excavator A and a drilling machine B, which utilizes the base of the excavator A as a chassis, and the drilling machine B
  • the drill B is mainly composed of a feed motor 1, a rock drill head 2, a propulsion beam 3, a compensation cylinder 4, a drill pipe 5, a cylinder block 6, a drill leg 8 and a drill bit 10;
  • the leg 8 is mounted on the same side of the drill bit 10.
  • the top of the drill leg 8 is provided with a connecting seat 11 , and a sliding fit is formed between the cylinder block 6 connected to the connecting seat 11 and rotating around the connecting seat 11 and the propulsion beam 3 .
  • a compensation cylinder 4 is mounted on the upper end of the cylinder block 6, and the push rod of the compensation cylinder 4 is connected to the propulsion beam 3 in an articulated manner; the upper end of the propulsion beam 3 is mounted with a feed motor 1, and the rock drill head 2 is mounted on the other side of the propulsion beam 3 On the slide rail, the rock drill head 2 is connected to the feed motor 1; the drill rod 5 is installed at the lower end of the rock drill head 2, the drill bit 10 is installed at the lower end of the drill rod 5; the hydraulic valve block 19 of the drill B is connected to the spare oil passage of the excavator A and The control box C, the connecting seat 11 at the top of the rig leg 8 is fixedly connected to the arm of the excavator A.
  • connection structure between the connecting seat 11 at the top of the drill leg 8 and the cylinder block 6 may be: a swing cylinder 7 is installed on the upper part of the drill leg 8, a cylinder block 6 and a push rod of the swing cylinder 7 and a cylinder block 6 and the connector 11 are connected in an articulated manner.
  • the connection structure between the connecting seat 11 at the top of the drill rig 8 and the cylinder block 6 may also be: the connection between the connecting seat 11 and the cylinder block 6 is formed by the worm gear transmission mechanism 12, and the upper end of the worm 13 of the worm gear transmission mechanism A swing motor 14 is mounted, the worm gear 15 is fitted over the bearing 16, and the bearing 16 is mounted on the joint seat 11.
  • the side surface of the worm wheel 15 is in close contact with the cylinder block 6 and is fixedly connected to the cylinder block 6 by bolts 17.
  • the feed cylinder can also be used in the present invention.
  • the hydraulic rock drilling rig of the excavator of the invention has the following advantages:
  • Drilling and drilling has high efficiency and can completely replace pneumatic and human hand-held rock drilling equipment.
  • FIG. 1 is a schematic view of the overall structure of the present invention.
  • Figure 2 is a schematic view showing the structure of the drilling machine (B) of Figure 1.
  • Fig. 3 is a schematic view showing a drilling machine of another structure according to the present invention and a partially enlarged schematic view thereof (the enlarged view in the figure is an enlarged view after the cylinder block (6) is removed).
  • 4 is a right side view and a partially enlarged schematic view of FIG. 3.
  • the hydraulic rock drilling rig of the excavator of the present invention is composed of a hydraulic excavator A and a drilling machine B, wherein the hydraulic excavator A can adopt a hydraulic excavator of a conventional structure, and the present invention utilizes the frame of the excavator A.
  • the rig B itself has no power, the rig B is installed in the bucket position of the excavator A; the rig B is driven by the feed motor 1, the rock drill head 2, the propulsion beam 3, the compensation cylinder 4, the drill rod 5, the cylinder block 6, the swing
  • the cylinder 7, the drill leg 8, the tensioning device 9 and the drill bit 10 are constructed; the drill leg 8 is mounted on the same side of the drill bit 10 of the drill B, and the top of the drill leg 8 is provided with a connecting seat 11 on which the swing cylinder 7 is mounted.
  • the upper part of the rig leg 8, the cylinder block 6 and the connecting seat 11 and the push rod of the cylinder block 6 and the swing cylinder 7 are connected in an articulated manner;
  • the cylinder block 6 and the propulsion beam 3 are formed by sliding fit,
  • the cylinder A compensation cylinder 4 is mounted on the upper end of the seat 6, and the push rod of the compensation cylinder 4 is connected to the propulsion beam 3 in an articulated manner;
  • the upper and lower ends of the propulsion beam 3 are respectively mounted with a feed motor 1 and a tensioning device 9, and the rock drill head 2 is mounted on Push the slide on the other side of the beam 3, chisel 2 is connected via the chain head feed motor 1; rock drill head 5 mounted under 2 At the end, the drill bit 10 is mounted at the lower end of the drill pipe 5, and the tensioning device 9 is pressed against the chain of the rock drill head 2.
  • the feed motor 1 can also be replaced by a feed cylinder.
  • the feed motor 1, the rock drill head 2, the compensation cylinder 4 and the swing cylinder 7 of the rig B are connected to the backup oil passage of the excavator A and the control box C through the hydraulic valve block 19, and the actuators can cooperate with each other; the rig legs
  • the connecting seat 11 at the top of the 8 is fixedly connected to the arm of the excavator A by bolts.
  • the hydraulic rock drilling rig of the excavator of the invention is a hydraulic rock drilling rig based on a hydraulic excavator platform, which adopts a hydraulic excavator as a chassis and a power source, and the machine can be used as a working attachment of the hydraulic excavator, similar to Just like installing the breaker, the bucket of the hydraulic excavator can be quickly removed and the rig R can be quickly connected, and the hydraulic circuit provided by the hydraulic excavator backup valve can be used to supply the rig power.
  • the rock drill head 2 is installed in the track of the propulsion beam 3, and the feed motor 1 controls its up and down movement to realize rapid rock drilling.
  • the oscillating cylinder 7 is installed between the cylinder block 6 and the rig leg 8.
  • the cylinder block 6 By controlling the push rod expansion and contraction operation of the oscillating cylinder 7, the cylinder block 6 is rotated at a certain angle around the splicing point of the connecting seat 11 to be connected to the cylinder block 6.
  • the propulsion beam 3 is also rotated by a certain angle, so that the drilling machine can adjust the angle of the drill bit according to the terrain.
  • the rig leg 8 can provide support for the entire rig, effectively preventing deformation of the propulsion beam 3.
  • the operator can adjust the swing cylinder 7 through the control box C installed in the cab of the excavator to make the angle of the drill and the ground reach the hole position requirement.
  • the rock drill head 2 is mounted on the slide of the propulsion beam 3, and is integrated with the drill pipe 5 and the drill bit 10.
  • the feed motor 1 pulls the rock drill head 2 through the chain for propulsion work.
  • the adjustment operation can be completed by adjusting the telescopic movement of the compensating cylinder 4 to push the propulsion beam 3 to the desired position.
  • the drilling machine used in the present invention may also be another structure drilling machine. As shown in FIG. 3 and FIG. 4, the connecting seat 11 at the top of the drilling machine leg 8 and the cylinder housing 6 are connected by a worm gear transmission mechanism 12, the worm gear and the worm gear A slewing motor 14 is mounted on the upper end of the worm 13 of the transmission mechanism 12. The worm wheel 15 is fitted on the bearing 16, and the bearing 16 is mounted on the connecting seat 11.
  • the side surface of the worm wheel 15 is in close contact with the cylinder block 6 and is fixed by the bolt 17 and the cylinder block 6. Connected, the compensation cylinder 4 at the top of the cylinder block 6 and the propulsion beam 3 are connected in an articulated manner.
  • a rock drilling machine consisting of a rock drill head 2, a drill pipe 5 and a drill bit 10 is mounted on the other side slide of the propulsion beam 6, so that a sliding fit connection is formed between the rock drilling machine and the propulsion beam 6;
  • the upper end of the propulsion beam 6 is mounted with a feed cylinder 18, and the feed cylinder 18 is powered by the rock drill to perform a rock drilling operation.
  • the worm 13 When it is necessary to adjust the drilling angle, the worm 13 is driven by the slewing motor 14, so that the worm 13 drives the worm wheel 15 to rotate, and the cylinder block 6 fixedly coupled with the worm wheel 15 also rotates, thereby achieving 360° rotation of the propulsion beam 3, and further
  • the rock drill mounted on the propulsion beam 6 enables rock drilling operations at different angles.
  • the above-described swing motor 14, feed cylinder 18, compensation cylinder 4, and rock drill head 2 are connected to the backup oil passage of the excavator A and the control box C via the hydraulic valve group 19, and the actuators can cooperate with each other.
  • the above embodiments are preferred embodiments of the present invention, and the usual changes and substitutions made by those skilled in the art within the scope of the present invention are included in the scope of the present invention.

Description

挖掘机的液压凿岩钻机
技术领域 本发明涉及一种工程机械，特别是一种安装在挖掘机上的液压凿岩钻机。 背景技术 液压凿岩钻机以其高效、 节能、 作业条件好等优点， 在国外工程施工及 矿山作业中得到了很好的应用。瑞典和法国等国早在 70年代末就对使用液压 凿岩设备与气动凿岩设备的能耗作过对比， 它们的比值为 1 : 3. 85; 而每米 炮孔的成本对比为 1： 1. 3。 近几年， 我国在铁道、 水电及矿山部门使用的统 计资料和对比数字也证实了这一点。 但是当前我国仍普遍使用气动凿岩设备 为主， 其主要原因是： 液压凿岩钻机一次性投资太大， 维修保养成本也较高， 大多数用户难以承受。 进口液压钻机， 如： 瑞典 Atlas copco、 芬兰 Tamrock 等， 单台售价都在人民币 200万元以上。 国产钻机一体化整机设备非常少， 如专利号 ZL200520052467. 7和专利号 ZL03248873. 4的全液压潜孔钻机， 其 凿岩方式仍以气动为主。气动凿岩设备结构简单、造价低廉， 但是效率低下， 能耗较高， 而目前各种凿岩作业场所依然广泛使用简易的手持式钻机， 不但 效率低下， 工人劳动强度大， 且危害健康。 发明内容 本发明所要解决的技术问题是提供一种挖掘机的液压凿岩钻机， 使其能 实现工作效率高、 节能、 操作简便而且维护简单。 本发明以如下技术方案解决上述技术问题： 本发明挖掘机的液压凿岩钻 机是由挖掘机 A和钻机 B构成， 该机利用挖掘机 A的机座为底盘， 钻机 B
确认本 安装在挖掘机 A的挖斗位置； 钻机 B主要由进给马达 1、 凿岩机头 2、 推 进梁 3、 补偿油缸 4、 钻杆 5、 油缸座 6、 钻机支腿 8和钻头 10构成； 钻 机支腿 8安装在钻头 10.的同一侧位置，钻机支腿 8的顶部设有连接座 11， 与连接座 11连接并绕连接座 11旋转的油缸座 6与推进梁 3之间形成滑动 配合安装，油缸座 6上端安装有补偿油缸 4，补偿油缸 4的推杆与推进梁 3 之间以铰接方式连接； 推进梁 3的上端安装有进给马达 1，凿岩机头 2安 装在推进梁 3另一侧的滑道上， 凿岩机头 2连接进给马达 1 ; 钻杆 5安装 在凿岩机头 2的下端， 钻头 10安装在钻杆 5的下端； 钻机 B的液压阀组 19连接挖掘机 A的备用油路及控制箱 C， 钻机支腿 8顶部的连接座 11与 挖掘机 A的小臂固定连接。 所述钻机支腿 8顶部的连接座 11与油缸座 6之间的连接结构可以是： 在钻机支腿 8的上部安装摆动油缸 7， 油缸座 6与摆动油缸 7的推杆之间 及油缸座 6与连接座 11之间均以铰接方式连接。 所述钻机支腿 8顶部的连接座 11与油缸座 6之间的连接结构也可以 是： 连接座 11与油缸座 6之间通过蜗轮蜗杆传动机构 12形成连接， 蜗轮蜗 杆传动机构的蜗杆 13上端安装有回转马达 14， 蜗轮 15套装在轴承 16上， 轴承 16安装在连接座 11上， 蜗轮 15的侧面与油缸座 6紧贴并通过螺栓 17 与油缸座 6形成固定连接。 本发明也可以采用进给油缸代替进给马达。 本发明挖掘机的液压凿岩钻机， 具有以下优点：
1 ) 安装简单， 不需要改动传统液压挖掘机的结构。
2 ) 凿岩钻孔效率高， 完全可以取代风动和人力手持式凿岩设备。
3 ) 机动灵活， 可以适应不同地形环境的作业路况， 缩短找孔位的时间。
4)在一些凿岩台车无法触及的孔位， 比如路基侧下方等， 本钻机仍能成 功定位钻孔。 5 ) 钻机支腿可有效减轻工作装置的受力情况， 减少推进梁的变形。 附图说明 图 1是本发明的整体结构示意图。 图 2是图 1中钻机 （B ) 的结构示意图。 图 3 是本发明采用另一种结构的钻机的示意图及其局部放大示意图 (图中的放大图是取掉油缸座 （6 ) 后的放大图）。 图 4是图 3的右视示意图及局部放大示意图。 图中： 挖掘机 A、 钻机 B、 控制箱 C、 进给马达 1、 凿岩机头 2、 推进 梁 3、 补偿油缸 4、 钻杆 5、 油缸座 6、 摆动油缸 7、 钻机支腿 8、 张紧装 置 9、 钻头 10、 连接座 11、 蜗轮蜗杆传动机构 12、 蜗杆 13、 回转马达 14、 蜗轮 15、 轴承 16、 螺栓 17、 进给油缸 18， 液压阔组 19。 具体实施方式 下面结合附图对本发明作详细的说明。 参阅图 1-图 2， 本发明挖掘机的液压凿岩钻机， 由液压挖掘机 A和钻 机 B构成， 其中液压挖掘机 A可采用传统结构的液压挖掘机， 本发明利用 挖掘机 A的机座为底盘， 钻机 B自身无动力， 钻机 B安装在挖掘机 A的挖 斗位置； 钻机 B由进给马达 1、 凿岩机头 2、 推进梁 3、 补偿油缸 4、 钻杆 5、 油缸座 6、 摆动油缸 7、 钻机支腿 8、 张紧装置 9和钻头 10构成； 钻 机支腿 8安装在钻机 B的钻头 10的同一侧位置， 钻机支腿 8的顶部设有 连接座 11 , 摆动油缸 7安装在钻机支腿 8的上部， 油缸座 6与连接座 11 之间及油缸座 6与摆动油缸 7的推杆之间均以铰接方式连接；油缸座 6与 推进梁 3之间形成滑动配合安装， 油缸座 6上端安装有补偿油缸 4，补偿 油缸 4的推杆与推进梁 3之间以铰接方式连接；推进梁 3的上下端分别安 装有进给马达 1和张紧装置 9，凿岩机头 2安装在推进梁 3另一侧的滑道 上， 凿岩机头 2通过链条连接进给马达 1 ; 钻杆 5安装在凿岩机头 2的下 端， 钻头 10安装在钻杆 5的下端， 张紧装置 9紧压连接凿岩机头 2的链 条。 进给马达 1也可以采用进给油缸代替。 钻机 B的进给马达 1、 凿岩机 头 2、 补偿油缸 4和摆动油缸 7通过液压阀组 19连接挖掘机 A的备用油 路及控制箱 C， 并使各执行机构能相互协同作业； 钻机支腿 8顶部的连接 座 11与挖掘机 A的小臂通过螺栓形成固定连接。 本发明挖掘机的液压凿岩钻机， 是一种基于液压挖掘机平台基础上的液 压凿岩钻机， 采用液压挖掘机作为底盘和动力源， 本机可作为液压挖掘机的 一个工作附件， 类似于安装破碎锤一样， 将液压挖掘机的挖斗卸下后便可快 速连接钻机 B, 利用液压挖掘机备用阀提供的液压油路提供给钻机动力。 凿 岩机头 2安装在推进梁 3的轨道内， 由进给马达 1控制其上下运动， 实现快 速凿岩钻孔。 摆动油缸 7安装在油缸座 6和钻机支腿 8之间， 通过控制摆动 油缸 7的推杆伸缩动作，使油缸座 6绕着与连接座 11的绞接点旋转一定角度， 而与油缸座 6连接的推进梁 3也随之旋转一定角度， 从而实现钻机可根据地 形调节其钻头的角度。 钻机支腿 8可以为整个钻机提供支撑， 能有效防止推 进梁 3的变形。 使用时， 操作者可通过安装在挖掘机驾驶室内的控制箱 C调节摆动油缸 7，使钻机与地面的角度达到孔位要求。凿岩机头 2安装在推进梁 3的滑道上， 并与钻杆 5、钻头 10组成一体， 进给马达 1通过链条拉动凿岩机头 2作推进 作业。 当需要调节推进梁 3的伸缩高度至所需的工作位置时， 通过调节补 偿油缸 4的推杆伸缩动作， 使其推动推进梁 3移动至所需的位置即可完成 调整操作。 本发明采用的钻机也可以是另一种结构的钻机， 如图 3和图 4所示， 钻 机支腿 8顶部的连接座 11与油缸座 6之间通过蜗轮蜗杆传动机构 12形成连 接， 蜗轮蜗杆传动机构 12的蜗杆 13上端安装有回转马达 14， 蜗轮 15套装 在轴承 16上， 轴承 16安装在连接座 11上， 蜗轮 15的侧面与油缸座 6紧贴 并通过螺栓 17与油缸座 6形成固定连接，油缸座 6顶部的补偿油缸 4与推进 梁 3之间以铰接方式连接。 当需要使用凿岩机进行凿岩作业时， 将由凿岩机头 2、 钻杆 5及钻头 10组成的凿岩机安装在推进梁 6 的另一侧滑道上， 使凿岩机与推进梁 6 之间形成滑动配合连接； 在推进梁 6的上端安装进给油缸 18,使进给油缸 18给凿岩机提供动力， 便可进行凿岩作业。 当需要调节钻孔角度时， 通过回转马达 14驱动蜗杆 13， 使蜗杆 13驱 动蜗轮 15旋转， 而与蜗轮 15固定连接的油缸座 6也随之旋转， 从而实现 推进梁 3的 360° 旋转， 进而使得安装在推进梁 6上的凿岩机实现不同角 度的凿岩作业。 上述的回转马达 14、 进给油缸 18、 补偿油缸 4及凿岩机头 2通过液 压阀组 19连接挖掘机 A的备用油路及控制箱 C， 并使各执行机构能相互协 同作业。 以上实施例是本发明较为优选的实施方式， 本领域技术人员在本技术方 案范围内进行的通常变化和替换应包含在本发明的保护范围内。

Claims

权 利 要 求 书'
1、挖掘机的液压凿岩钻机，其特征在于， 由挖掘机 (A)和钻机 (B)构成， 该机利用挖掘机 (A)的机座为底盘，钻机 (B)安装在挖掘机 (A)的挖斗位置； 钻机 (B)主要由进给马达（1)、 凿岩机头（2)、 推进梁（3)、 补偿油缸（4)、 钻杆（5)、 油缸座（6)、 钻机支腿（8)和钻头（10)构成； 钻机支腿 (8) 安装 在钻头 （10) 的同一侧位置， 钻机支腿 （8) 的顶部设有连接座 （11)， 与 连接座 （11) 连接并绕连接座 （11) 旋转的油缸座 （6) 与推进梁 （3) 之 间形成滑动配合安装， 油缸座 （6) 上端安装有补偿油缸 （4) ，补偿油缸
(4) 的推杆与推进梁 （3) 之间以铰接方式连接； 推进梁 （3) 的上端安 装有进给马达 （1) ，凿岩机头 （2) 安装在推进梁 （3) 另一侧的滑道上， 凿岩机头 （2) 连接进给马达 （1); 钻杆 （5) 安装在凿岩机头 （2) 的下 端， 钻头 （10) 安装在钻杆 （5) 的下端； 钻机（B)的液压阀组 （19) 连接 挖掘机（A)的备用油路及控制箱（C)， 钻机支腿 （8) 顶部的连接座 （11) 与挖掘机 (A)的小臂固定连接。
2.根据权利要求 1所述挖掘机的液压凿岩钻机， 其特征在于， 所述钻 机支腿 （8) 顶部的连接座 （11) 与油缸座 （6) 之间的连接结构是： 在钻 机支腿 （8) 的上部安装摆动油缸（7)， 油缸座 （6) 与摆动油缸 （7) 的推 杆之间及油缸座 （6) 与连接座 （11) 之间均以铰接方式连接。
3.根据权利要求 1所述挖掘机的液压凿岩钻机， 其特征在于， 所述钻 机支腿 （8) 顶部的连接座 （11) 与油缸座 （6) 之间的连接结构是： 连接 座（11)与油缸座（6)之间通过蜗轮蜗杆传动机构 （12)形成连接， 蜗轮蜗 杆传动机构的蜗杆（13)上端安装有回转马达（14)， 蜗轮（15)套装在轴承
(16) 上， 轴承 （16) 安装在连接座 （11) 上， 蜗轮 （15) 的侧面与油缸座 (6) 紧贴并通过螺栓 （17) 与油缸座 （6) 形成固定连接。
4、 根据权利要求 1所述的挖掘机的液压凿岩钻机， 其特征在于， 采用 进给油缸代替进给马达。
PCT/CN2011/000343 2010-07-22 2011-03-03 挖掘机的液压凿岩钻机 WO2012009948A1 (zh)

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CN 201010232995 CN101906936B (zh) 2010-07-22 2010-07-22 挖掘机的液压凿岩钻机
CN2010202663482U CN201738808U (zh) 2010-07-22 2010-07-22 挖掘机的液压凿岩钻机
CN201120032425.2 2011-01-30
CN201110032662.3 2011-01-30
CN2011200324252U CN201943579U (zh) 2011-01-30 2011-01-30 一种可360度旋转推进梁的钻臂梁结构
CN 201110032662 CN102146770B (zh) 2011-01-30 2011-01-30 可360度旋转推进梁的钻臂梁结构

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CN105221069A (zh) * 2015-09-22 2016-01-06 铁建重工新疆有限公司 一种用于凿岩台车的凿岩装置
CN106012865A (zh) * 2016-07-30 2016-10-12 董超超 桥墩基础桩一次成型机
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