WO2013174089A1 - 吊锚架和旋挖钻机 - Google Patents

吊锚架和旋挖钻机 Download PDF

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Publication number
WO2013174089A1
WO2013174089A1 PCT/CN2012/082299 CN2012082299W WO2013174089A1 WO 2013174089 A1 WO2013174089 A1 WO 2013174089A1 CN 2012082299 W CN2012082299 W CN 2012082299W WO 2013174089 A1 WO2013174089 A1 WO 2013174089A1
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WO
WIPO (PCT)
Prior art keywords
mounting
anchor
pulley
base
hole
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Application number
PCT/CN2012/082299
Other languages
English (en)
French (fr)
Inventor
谭春祥
尚志红
Original Assignee
中联重科股份有限公司
湖南中联重科专用车有限责任公司
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Application filed by 中联重科股份有限公司, 湖南中联重科专用车有限责任公司 filed Critical 中联重科股份有限公司
Publication of WO2013174089A1 publication Critical patent/WO2013174089A1/zh

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Classifications

    • 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
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/02Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • 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
    • E21B19/02Rod or cable suspensions

Definitions

  • the invention relates to a hanging anchor frame and a rotary drilling rig having the same. Background technique
  • FIG. 1 is a schematic structural view of a rotary drilling rig according to the prior art.
  • the rotary drilling rig has a foldable mast 8 capable of lifting and falling on its own, and the mast 8 can be stacked on the body 6 of the rotary drilling rig for transportation in a non-operating state, and in the working state by a thrust cylinder, for example.
  • the hydraulic cylinder is pushed and erected.
  • the drill rod 9 is movable along the mast 8 in the vertical direction.
  • the top of the mast 8 is fitted with a hanging anchor, and the rotary drilling rig operates the wire rope through its hoisting system.
  • the wire rope is arranged to pass the pulley 1 on the base 2 of the anchor frame and pull the drill pipe 9 in the vertical direction.
  • the anchor frame base body 2 is fastened and mounted on the top end surface of the mast and hinged to one side of the top end surface by the pin shaft 4.
  • the anchor frame base body 2 can be bolted.
  • the mast 8 is installed tightly.
  • the present invention provides a hanging anchor frame comprising a pulley, a suspension anchor base and a mounting seat, the pulley being mounted on the mounting seat, wherein the hanging anchor base
  • the mounting body includes a plurality of connecting structures, and the mounting seat is selectively connected to different connecting structures of the mounting portion to be fixedly mounted at different positions of the base of the anchor frame.
  • the anchor frame base body comprises side walls on both sides of the pulley, and the mounting portion comprises a pair of mounting slots symmetrically disposed on the side wall, the mounting seat being detachably fixedly mounted on the mounting bracket The mounting groove.
  • the mounting groove has an oblong hole shape
  • the mounting portion further includes a plurality of first mounting holes disposed around the oblong hole
  • the mounting seat has a plurality of second mounting holes formed thereon
  • the fasteners are disposed in the second mounting holes and are selectively threaded into different first mounting holes of the mounting portion to mount the mounting brackets at different positions of the anchor frame base.
  • the mounting seat is formed with a projection projecting from the body and embedded in the oblong hole.
  • an outer peripheral edge of the protruding portion coincides with a shape of an end circular arc of the oblong hole.
  • the hanging anchor frame further comprises a positioning plate, and the mounting seat is respectively mounted on both ends of the oblong hole, and the positioning plate is clamped between the two mounting seats, so that the mounting seat The protruding portion abuts against an end circular arc of the oblong hole, wherein the pulley is mounted on one of the mounting seats.
  • the mounting seat and the positioning plate are formed in surface contact.
  • the mounting seat is further formed with a central hole that cooperates with a pulley shaft of the pulley, the central hole passes through the body and the protruding portion, and the central hole on the body
  • a plurality of third mounting holes for fastening the pulley shaft are provided around the circumference.
  • the oblong holes are distributed in a horizontal direction on the anchor frame base.
  • the present invention provides a rotary drilling rig having the above-described hanging anchor frame of the present invention.
  • the rotary drilling rig according to the present invention can replace the anchors of other sizes without having to adjust the distance between the drill pipe and the mast, and only needs to The distance adjustment can be achieved by adjusting the mounting position of the pulley on the anchor frame according to the present invention. Compared with the way of replacing the anchor frame, this will greatly reduce the workload of disassembly and installation and reduce the cost, and the operation is convenient and quick.
  • FIG. 1 is a schematic structural view of a rotary drilling rig according to the prior art
  • FIG. 2 is a schematic structural view of a suspension anchor according to the prior art
  • FIG. 3 is a schematic structural view of a base of a hanging anchor frame according to a preferred embodiment of the present invention
  • FIG. 4 is a schematic view showing a mounting structure of a hanging anchor frame according to a preferred embodiment of the present invention
  • FIG. 5 is a schematic structural view of the mounting seat of FIG.
  • Fig. 6 is a schematic structural view of the connecting plate of Fig. 4. detailed description
  • the present invention provides a hanging anchor frame comprising a pulley 1, a suspension frame base 2 and a mounting base 3, the pulley 1 being mounted on the mounting base 3
  • the cradle base 2 has a mounting portion, and the cradle base 2 is provided with a mounting portion, the mounting portion includes a plurality of connecting structures, and the mounting seat is selectively connectable to the mounting portion Different connecting structures are connected and fixedly mounted at different positions of the anchor frame base 2.
  • the present invention By designing a mounting portion on the cradle base 2, and having a plurality of connecting structures on the mounting portion, such that when the pulley 1 is fixedly mounted to the mounting portion by the pulley shaft 11 and the mounting seat 3, it can be mounted on the mounting portion Adjustment of the pulley mounting position is made to adjust the proper distance of the drill rod 9 relative to the mast 8 or the fuselage 6.
  • the mounting portion has a plurality of structural design manners.
  • the mounting portion may be formed as two or more mounting holes along the spacing direction of the drill rod 9 relative to the mast 8, each mounting The holes correspond to a connection structure, and a single such mounting hole is adapted to the mounting seat 3 such that the pulley shaft 11 is selectively mounted on a suitable single mounting hole.
  • the pulley mounting position is replaced in this manner, the pulley 1 needs to be detached from one mounting hole and mounted to the other mounting hole, wherein the mounting of the mounting hole is required when considering the mounting hole on the cradle base 2 2 size and strength.
  • the mounting portion is more preferably designed in the form of a mounting groove and a mounting hole as shown in FIG.
  • the cradle base 2 includes side walls 21, 22 on both sides of the pulley 1.
  • the mounting portion includes a pair of mounting slots 23 symmetrically disposed on the two side walls 21, 22, the mounting seat 3 is detachably fixedly mounted on the mounting groove 23, as shown in FIG.
  • the mount 3 can be movably fixedly mounted on the mounting groove 23, and the lower pulley 1 need not be removed when the mounting position is replaced, thereby greatly reducing the workload of disassembly and installation and improving work efficiency.
  • the mounting groove 23 is preferably a regular oblong hole shape, and the mounting portion further includes a plurality of first mounting holes 231 disposed around the circumference of the oblong hole.
  • the mounting seat 3 is A second mounting hole 32 corresponding to the position of the first mounting hole 231 is formed in the body 35.
  • the mount 3 can be attached to the anchor base 2 by fasteners such as fastening bolts passing through the second mounting hole 32 and the first mounting hole 231.
  • the mount 3 can be selectively fixed in place in the oblong hole.
  • the mounting groove 23 is preferably in the shape of an oblong hole for the purpose of facilitating movement and engagement of the mounting seat 3 in the mounting groove 23, as will be described in detail below.
  • FIG. 5 is a schematic view showing the structure of the mount, and the mount 3 is formed with a projection 34 that protrudes from the body 35 and can be fitted into the oblong hole.
  • the projection (not visible in FIG. 4) is embedded in the oblong hole and engaged with the edge of the oblong hole, so that the force received by the mount 3 can be received. Dispersion onto the edge of the oblong hole. Therefore, the outer peripheral edge of the protruding portion 34 preferably coincides with the end circular arc 232 of the oblong hole.
  • the protruding portion 34 is preferably formed as a circular boss adapted to the oblong hole, and the circular boss can move in the oblong hole and be caught in the oblong circle. Both ends of the hole.
  • the fastener When the mounting seat 3 is fixedly mounted on the anchor frame base 2 around the oblong hole by fasteners, the fastener is passed through the second mounting hole 32 of the body 35 of the mounting seat 3 and the second portion around the mounting groove 23. A mounting hole 231 is fixed.
  • the second mounting holes 32 are not evenly distributed on the body 35. In other words, for example, in the case where the circumference of the body 35 is circular, the fasteners are distributed substantially on a portion of the arc of the circumference of the body 35. Therefore, if it is preferably further positioned and mounted along the length direction of the mounting groove 23, this can avoid the uneven force that may be formed on the mounting seat 3, and prevent the fastener from being attracted by the pulley shaft 11.
  • the anchor frame according to the invention also preferably comprises a positioning plate 5, see Fig. 4 or Fig. 6.
  • the mounting seat 3 is respectively mounted on both ends of the oblong hole, that is, two mounting seats 3 are mounted on one mounting slot 23, and one mounting bracket 3 is mounted with a pulley 1 and the other mounting seat 3
  • the pulley 1 is not installed, and the positioning plate 5 is clamped between the two mounting seats 3, and the mounting seat 3 is pressed toward the both ends of the oblong hole through the embedded positioning plate 5, so that the mounting seat is
  • the projection 34 of the 3 abuts against the end arc 232 of the oblong hole.
  • the pressing force from the pulley shaft 11 received by the mounting seat 3 on which the pulley 1 is mounted can be transmitted to the mounting seat 3 on the other side through the positioning plate 5, and through the projection of the mounting seat 3 on the other side. 34 distributes the force evenly over the anchor frame base 2 around the end arc 232 of the oblong hole. In this way, all the fasteners are only connected and not subjected to shearing force, which improves reliability.
  • the pulley 1 can have two mounting positions, that is, any one of the mounting brackets 3 that can be mounted at both ends of the oblong hole. After the pulley is installed, the mounting seat 3 and the positioning plate 5 are fixedly mounted around the mounting groove 23, so that the pulley 1 is firmly and reliably mounted, and the connection strength is high. When the adjustment position of the pulley 1 needs to be adjusted, first remove all the surrounding of the mounting groove 23.
  • the mounting seat 3 and the positioning plate 5 are preferably formed in surface contact, such as a planar or curved surface contact, so that the installation is more stable and reliable, rather than an unsteady state in a point contact manner.
  • the body 35 of the mounting seat 3 is formed with a notch, and an abutting surface a is formed on the side where the notch is formed, so that the positioning plate is in the mounted state as shown in FIG.
  • the opposite side planes b of the two are in contact with the abutting faces a of the two mounting seats 3, so that a large area of contact can be formed between the mounting seat 3 and the positioning plate 5, so that the positioning connection is more stable and reliable.
  • the mount 3 is mounted on the end of the pulley shaft 11 of the pulley 1, so that the mount 3 is further formed with a center hole 31 that cooperates with the pulley shaft 11, and the center hole 31 passes through the body. 35 and the projection 34. Further, a plurality of third mounting holes 33 are provided around the center hole 31 of the body 35, and the end of the pulley shaft 11 is placed on the mounting seat 3 by the fastening bolts through the third mounting hole 33. The installation is fixed. Further, it is to be noted that the mounting groove 23, i.e., the oblong hole, may be slightly inclined on the anchor frame base 2, but is preferably distributed on the anchor frame base 2 in a substantially horizontal direction.
  • the present invention accordingly provides a rotary drilling rig having the above-described anchor frame of the present invention.
  • the distance between the drill pipe and the mast can be adjusted without changing the anchor frame.

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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

一种吊锚架与旋挖钻机被提供,该吊锚架包括滑轮(1)、吊锚架基体(2)和安装座(3),所述滑轮(1)安装于所述安装座(3)上,所述吊锚架基体(2)上设有安装部,所述安装部包括多个连接结构,所述安装座(3)可选择地与所述安装部的不同连接结构连接而固定安装于吊锚架基体(2)的不同位置处。由此旋挖钻机在遇到需要调节钻杆(9)与桅杆(8)之间的距离的情形下,可不必费事地更换其它尺寸的吊锚架,而只需在吊锚架上调整滑轮(1)的安装位置,即可实现所述距离调节。相较于更换吊锚架的方式,这将大大减少拆卸安装的工作量并且降低成本,操作方便快捷。

Description

吊锚架和旋挖钻机
技术领域
本发明涉及一种吊锚架以及具有该吊锚架的旋挖钻机。 背景技术
附图 1是根据现有技术的旋挖钻机的结构示意图。 如图 1所示, 旋挖 钻机具有能够自行起落的可折叠桅杆 8, 该桅杆 8在非工作状态下可叠放 在旋挖钻机的车身 6上以便运输,而在工作状态时由推力缸例如液压缸推 动并竖立。 钻杆 9沿桅杆 8在竖直方向上可移动。 桅杆 8的顶端安装有 吊锚架, 旋挖钻机通过其卷扬系统操作钢丝绳, 钢丝绳设置为通过吊锚架 基体 2上的滑轮 1并在竖直方向上拉动钻杆 9。 如图 2所示, 吊锚架基体 2 紧固安装在桅杆的顶端面上并通过销轴 4铰接在该顶端面的一侧, 在旋挖 钻机工作时, 可通过螺栓将吊锚架基体 2和桅杆 8紧定安装。
但是, 这种旋挖钻机在遇到较为复杂的工况, 例如需要更换不同尺寸 大小的钻头 7进行钻孔作业时, 则需要调节钻杆 9与桅杆 8之间的距离, 使得钻杆 9中心更靠近或远离桅杆 8,从而使旋挖钻机的整机结构在工作时 更为稳定。此时,通常的做法是更换安装适合尺寸的吊锚架基体 2和滑轮 1, 但这需要降下桅杆 8并对吊锚架基体 2和滑轮 1等进行一系列拆卸和更换 安装作业, 费时费力。 发明内容
本发明的目的是提供一种吊锚架, 以及具有该吊锚架的旋挖钻机, 以 便在不更换吊锚架的情形下能够调节钻杆与桅杆之间的距离。
为了实现上述目的, 本发明提供一种吊锚架, 该吊锚架包括滑轮、 吊 锚架基体和安装座, 所述滑轮安装于所述安装座上, 其中, 所述吊锚架基 体上设有安装部, 所述安装部包括多个连接结构, 所述安装座可选择地与 所述安装部的不同连接结构连接而固定安装于吊锚架基体的不同位置处。
优选地, 所述吊锚架基体包括位于所述滑轮两侧的侧壁, 所述安装部 包括对称地设于所述侧壁上的一对安装槽, 所述安装座可拆卸地固定安装 于所述安装槽上。
更优选地, 所述安装槽为长圆孔形状, 所述安装部还包括围绕该长圆 孔的周围设置有的多个第一安装孔, 所述安装座的本体上形成有多个第二 安装孔, 紧固件穿设于第二安装孔内和可选择地穿设于所述安装部的不同 的第一安装孔内而将安装座安装于吊锚架基体的不同位置处。
优选地, 所述安装座上形成有从所述本体凸出并嵌入所述长圆孔内的 凸出部。
进一步地, 所述凸出部的外周边缘与所述长圆孔的端部圆弧的形状相 吻合。
优选地, 该吊锚架还包括定位板, 并且在所述长圆孔的两端分别安装 有所述安装座, 所述定位板卡设在两个所述安装座之间, 使所述安装座的 凸出部紧靠于所述长圆孔的端部圆弧, 其中, 所述滑轮安装于其中一个所 述安装座上。
进一步地, 所述安装座与所述定位板之间形成为面接触。
优选地, 所述安装座上还形成有与所述滑轮的滑轮轴相配合的中心孔, 该中心孔穿过所述本体和所述凸出部, 并且在所述本体上的所述中心孔周 围围绕设置有用于紧固安装所述滑轮轴的多个第三安装孔。
优选地, 所述长圆孔在所述吊锚架基体上沿水平方向分布。
此外, 本发明还提供了一种旋挖钻机, 该旋挖钻机上具有本发明上述 的吊锚架。
通过上述技术方案, 根据本发明的旋挖钻机在遇到需要调节钻杆与桅 杆之间的距离的情形下, 可不必费事地更换其它尺寸的吊锚架, 而只需在 根据本发明的吊锚架上调整滑轮的安装位置, 即可实现所述距离调节。 相 较于更换吊锚架的方式, 这将大大减少拆卸安装的工作量并且降低成本, 操作方便快捷。
本发明的其他特征和优点将在随后的具体实施方式部分予以详细说 明。 附图说明
附图是用来提供对本发明的进一步理解, 并且构成说明书的一部分, 与下面的具体实施方式一起用于解释本发明, 但并不构成对本发明的限制。 在附图中:
图 1是根据现有技术的旋挖钻机的结构示意图;
图 2是根据现有技术的吊锚架的结构示意图;
图 3是根据本发明优选实施方式的吊锚架基体的结构示意图; 图 4是根据本发明优选实施方式的吊锚架的安装结构示意图; 图 5是图 4中的安装座的结构示意图;
图 6是图 4中的连接板的结构示意图。 具体实施方式
以下结合附图对本发明的具体实施方式进行详细说明。应当理解的是, 此处所描述的具体实施方式仅用于说明和解释本发明, 并不用于限制本发 明。
结合图 1、 图 3和图 4, 本发明提供了一种吊锚架, 该吊锚架包括滑轮 1、 吊锚架基体 2和安装座 3, 所述滑轮 1安装于所述安装座 3上, 其中, 该吊锚架基体 2上具有安装部, 所述吊锚架基体 2上设有安装部, 所述安 装部包括多个连接结构, 所述安装座可选择地与所述安装部的不同连接结 构连接而固定安装于吊锚架基体 2 的不同位置处。 作为总的构思, 本发明 通过在吊锚架基体 2上设计安装部, 而安装部上具有多个连接结构, 使得 滑轮 1通过其滑轮轴 11和安装座 3固定安装到所述安装部时, 能够在所述 安装部上进行滑轮安装位置的调节,进而调节钻杆 9相对于桅杆 8或机身 6 的合适距离。 所述安装部具有多种结构设计方式, 作为一种可选择的方式, 所述安装部可形成为沿钻杆 9相对于桅杆 8的间距方向上的两个或多个安 装孔, 每个安装孔即相当于一种连接结构, 单个这种安装孔与安装座 3 相 适配, 使得滑轮轴 11可选择地安装在合适的单个安装孔上。 采用这种方式 更换滑轮安装位置时, 需要将滑轮 1 从一个安装孔拆卸下来并安装到另一 个安装孔上, 其中, 在吊锚架基体 2上设置所述安装孔时需要考虑吊锚架 基体 2的尺寸和强度。
在本发明中, 将所述安装部更为优选地设计成安装槽和安装孔的结构 形式, 如图 3所示。所述吊锚架基体 2包括位于所述滑轮 1两侧的侧壁 21、 22, 所述安装部包括对称地设于两个侧壁 21、 22上的一对安装槽 23, 所述 安装座 3可拆卸地固定安装于所述安装槽 23上, 如图 4所示。 这样, 安装 座 3可在安装槽 23上位置可移动地固定安装, 并且在更换安装位置时无需 拆卸下滑轮 1, 从而大大减少了拆卸安装的工作量, 提高工作效率。
具体地, 所述安装槽 23优选为规则的长圆孔形状, 所述安装部还包括 围绕该长圆孔的周围设置的多个第一安装孔 231, 相应地参见图 5, 所述安 装座 3的本体 35上形成有与所述第一安装孔 231位置相对应的第二安装孔 32。 这样, 安装座 3可通过紧固件例如紧固螺栓穿过第二安装孔 32和第一 安装孔 231, 从而连接到吊锚架基体 2上。 因而, 安装座 3能够可选择地固 定安装在长圆孔的适当位置。 此处, 安装槽 23优选为长圆孔形状, 是为了 方便安装座 3在安装槽 23内的移动和卡合, 以下将具体描述。
图 5为安装座的结构示意图, 所述安装座 3上形成有从所述本体 35凸 出并能够嵌入所述长圆孔内的凸出部 34。 参见图 4, 该凸出部 (图 4不可 见) 嵌入长圆孔内并与长圆孔的边缘卡合, 从而能够将安装座 3受到的力 分散作用到所述长圆孔的边缘上。 因此, 所述凸出部 34的外周边缘优选为 与所述长圆孔的端部圆弧 232相吻合。 这样, 在安装槽 23形成为规则的长 圆孔的情况下, 所述凸出部 34优选地形成为与长圆孔适配的圆凸台, 该圆 凸台可在长圆孔内移动并卡接在长圆孔两端。
安装座 3通过紧固件固定安装在长圆孔周围的吊锚架基体 2上时, 紧 固件是通过穿设安装座 3的本体 35上的第二安装孔 32及位于安装槽 23周 围的第一安装孔 231来固定的。参见图 5,第二安装孔 32在本体 35上并非 均匀地分布的, 换言之, 例如在本体 35的周缘为圆形的情况下, 紧固件大 致分布在本体 35的周缘的部分圆弧上。 因此, 若优选地在沿安装槽 23的 长度方向上作进一步地定位安装, 这就能避免安装座 3上可能形成的受力 不均现象, 并且防止紧固件受到由滑轮轴 11带来的沿安装槽 23的长度方 向的可能的剪力作用, 以使得安装更为牢固可靠, 并且受力更均匀合理。 基于此, 根据本发明的吊锚架还优选地包括定位板 5, 参见图 4或图 6。 并 且, 在所述长圆孔的两端分别安装有所述安装座 3, 也就是在一个安装槽 23上安装两个安装座 3, 其中一安装座 3上安装有滑轮 1, 另一安装座 3上 未安装滑轮 1, 同时将所述定位板 5卡设在两个所述安装座 3之间, 通过嵌 入的定位板 5, 将安装座 3往长圆孔两端挤压, 使所述安装座 3的凸出部 34紧靠于所述长圆孔的端部圆弧 232。 这样, 安装有滑轮 1的安装座 3所 受到的来自滑轮轴 11的挤压力可通过定位板 5传递至另一侧的安装座 3, 并通过该另一侧的安装座 3的凸出部 34将力均匀地分散到长圆孔的端部圆 弧 232周围的吊锚架基体 2上。 这样所有的紧固件也就只起连接作用而不 受剪力作用, 可提高可靠性。
以上描述的吊锚架结构参见图 4,滑轮 1可具有两个安装位置, 也就是 可安装在长圆孔两端的任何一个安装座 3上。 在滑轮安装后, 安装座 3和 定位板 5布满地固定安装在安装槽 23周围, 使得滑轮 1安装牢固可靠, 连 接强度高。 在滑轮 1安装位置需要调整时, 首先拆除安装槽 23周围的所有 紧固螺栓等, 然后依次卸除定位板 5和未安装滑轮 1的安装座 3, 经安装滑 轮轴 11的安装座 3从其所在位置沿安装槽 23移动至相对的另一端并旋转 180度位置,最后依次安装上未安装滑轮 1的安装座 3和定位板 5并通过螺 栓紧定。 这样就调整了吊锚架的滑轮安装位置, 而并未更换吊锚架。
其中, 所述安装座 3与所述定位板 5之间优选地形成为面接触, 例如 平面或曲面接触, 这样安装更为稳定可靠, 而非点接触方式的非稳定状态。 如图 5和图 6所示, 安装座 3的本体 35上形成有缺口, 并于形成有缺口的 一侧形成抵靠面 a, 从而在如图 4所示的安装状态下, 所述定位板 5的相对 两侧平面 b分别与两个安装座 3的抵靠面 a接触, 使得所述安装座 3与定 位板 5之间能够形成较大面积的接触, 从而定位连接更为稳定可靠。 此外, 安装座 3安装在滑轮 1的滑轮轴 11的端部上, 因而所述安装座 3上还形成 有与所述滑轮轴 11相配合的中心孔 31,该中心孔 31穿过所述本体 35和所 述凸出部 34。 并且, 在所述本体 35上的所述中心孔 31周围围绕设置有多 个第三安装孔 33, 通过该第三安装孔 33并利用紧固螺栓将滑轮轴 11的端 部在安装座 3上安装固定。 此外, 需要说明的是, 所述安装槽 23即长圆孔 在吊锚架基体 2上可稍微倾斜地设置, 但优选为在所述吊锚架基体 2上沿 大致水平方向分布。
另外, 本发明还相应地提供了一种旋挖钻机, 该旋挖钻机上具有本发 明上述的吊锚架。 从而在使用时, 能够在不更换吊锚架的情形下调节钻杆 与桅杆之间的距离。
以上结合附图详细描述了本发明的优选实施方式, 但是, 本发明并不 限于上述实施方式中的具体细节, 在本发明的技术构思范围内, 可以对本 发明的技术方案进行多种简单变型, 这些简单变型均属于本发明的保护范 围。
另外需要说明的是, 在上述具体实施方式中所描述的各个具体技术特 征, 在不矛盾的情况下, 可以通过任何合适的方式进行组合, 为了避免不 必要的重复, 本发明对各种可能的组合方式不再另行说明。
此外, 本发明的各种不同的实施方式之间也可以进行任意组合, 只要 其不违背本发明的思想, 其同样应当视为本发明所公开的内容。

Claims

权利要求
1、 一种吊锚架, 该吊锚架包括滑轮 (1 )、 吊锚架基体 (2) 和安装座 ( 3 ), 所述滑轮 (1 ) 安装于所述安装座 (3 ) 上, 其特征在于, 所述吊锚 架基体(2)上设有安装部,所述安装部包括多个连接结构,所述安装座(3 ) 可选择地与所述安装部的不同连接结构相连而固定安装于吊锚架基体 (2) 的不同位置处。
2、 根据权利要求 1 所述的吊锚架, 其中, 所述吊锚架基体 (2) 包括 位于所述滑轮 (1 ) 两侧的侧壁 (21、 22), 所述安装部包括对称地设于所 述两个侧壁 (21、 22) 上的一对安装槽 (23 ), 所述安装座 (3 ) 可拆卸地 固定安装于所述安装槽 (23) 上。
3、 根据权利要求 2所述的吊锚架, 其中, 所述安装槽 (23) 为长圆孔 形状, 所述安装部还包括围绕该长圆孔的周围设置的多个第一安装孔 (231 ), 所述安装座 (3 ) 的本体 (35 ) 上形成有多个第二安装孔 (32), 紧固件穿设于第二安装孔 (32) 内和可选择地穿设于所述安装部的不同的 第一安装孔 (231 ) 内而将安装座 (3) 安装于吊锚架基体 (2) 的不同位置 处。
4、 根据权利要求 3所述的吊锚架, 其中, 所述安装座 (3) 上形成有 从所述本体 (35 ) 凸出并嵌入所述长圆孔内的凸出部 (34)。
5、 根据权利要求 4所述的吊锚架, 其中, 所述凸出部 (34) 的外周边 缘与所述长圆孔的端部圆弧 (232) 的形状相吻合。
6、根据权利要求 4所述的吊锚架, 其中, 该吊锚架还包括定位板(5), 并且在所述长圆孔的两端分别安装有所述安装座 (3), 所述定位板 (5) 卡 设在两个所述安装座 (3) 之间, 使所述安装座 (3) 的凸出部 (34) 紧靠 于所述长圆孔的端部圆弧 (232), 其中, 所述滑轮 (1) 安装于其中一个所 述安装座 (3) 上。
7、 根据权利要求 6所述的吊锚架, 其中, 所述安装座 (3) 与所述定 位板 (5) 之间形成为面接触。
8、 根据权利要求 4所述的吊锚架, 其中, 所述安装座 (3) 上还形成 有与所述滑轮 (1) 的滑轮轴 (11) 相配合的中心孔 (31), 该中心孔 (31) 穿过所述本体 (35) 和所述凸出部 (34), 并且在所述本体 (35) 上的所述 中心孔 (31) 周围围绕设置有用于紧固安装所述滑轮轴 (11) 的多个第三 安装孔 (33)。
9、 根据权利要求 2所述的吊锚架, 其中, 所述安装槽 (23)在所述吊 锚架基体 (2) 上沿水平方向布置。
10、一种旋挖钻机, 其中, 该旋挖钻机上具有上述权利要求 1-9中任意 一项所述的吊锚架。
PCT/CN2012/082299 2012-05-25 2012-09-28 吊锚架和旋挖钻机 WO2013174089A1 (zh)

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