WO2012167504A1 - Rope-restraining device and engineering machinery having same - Google Patents

Rope-restraining device and engineering machinery having same Download PDF

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Publication number
WO2012167504A1
WO2012167504A1 PCT/CN2011/078307 CN2011078307W WO2012167504A1 WO 2012167504 A1 WO2012167504 A1 WO 2012167504A1 CN 2011078307 W CN2011078307 W CN 2011078307W WO 2012167504 A1 WO2012167504 A1 WO 2012167504A1
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WO
WIPO (PCT)
Prior art keywords
rope
shaft
baffle
pulley
roping
Prior art date
Application number
PCT/CN2011/078307
Other languages
French (fr)
Chinese (zh)
Inventor
黎伟福
羿峰
丁慧智
陆鹏飞
Original Assignee
长沙中联重工科技发展股份有限公司
湖南中联重科专用车有限责任公司
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Filing date
Publication date
Application filed by 长沙中联重工科技发展股份有限公司, 湖南中联重科专用车有限责任公司 filed Critical 长沙中联重工科技发展股份有限公司
Publication of WO2012167504A1 publication Critical patent/WO2012167504A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
    • B66D3/06—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage with more than one pulley
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/82—Luffing gear

Definitions

  • the present invention relates to the field of construction machinery, and in particular to a rope blocking device and a construction machine having the same.
  • BACKGROUND OF THE INVENTION At present, the rope blocking devices of engineering machines such as strong boring machines and crawler cranes at home and abroad generally adopt the figure 1 and
  • the retaining cord device includes a retaining shaft 30' that is pivotally disposed on the structural member. After the installation of the retaining shaft 30' is completed, it is integrated with the structural member, and can only rotate around its axis, and the position cannot be changed. Therefore, it cannot be automatically adjusted according to the change of the rope angle of the wire rope 5', so that the wire rope is easily undocked, Wear or damage other related coupling parts.
  • the present invention is directed to a rope retaining device and a construction machine therewith for solving the problems of prior art wire ropes or other cable structures that are susceptible to grooving, wearing or damaging other related coupling components.
  • a rope retaining device comprising: a rope blocking plate pivotally sleeved on a pivot of the roping guide assembly; and a retaining rope shaft, at least two Installed in parallel on the baffle plate and located radially outward of the roping guide assembly.
  • the roping guide assembly is a pulley assembly
  • the pivot is a pulley shaft.
  • the rope retaining device of the present invention further includes: a roller pivotally sleeved on the rope shaft and disposed corresponding to the pulley in the pulley assembly.
  • the outer circumferential surface of the roller has a concave ring groove in the middle portion in the axial direction, and the concave ring groove of the roller corresponds to the rope groove of the pulley of the pulley assembly to form a wire rope passing space.
  • the two baffle plates are arranged in parallel, and the two baffle plates are arranged in parallel, symmetrically distributed on both sides of the roping guide assembly, and include: a first baffle plate and a second baffle plate; Between a baffle and a second brace. Further, a bearing or a bushing is further disposed between the rope stop and the pivot. Further, the rope shaft is pivotally connected to the rope stop.
  • a construction machine having a mast and a roping guide assembly disposed on the mast, further comprising: the above-described cord stop device, the cord stop device being disposed on the roping guide assembly.
  • the construction machine is a crawler crane or a tamping machine.
  • the rope blocking device comprises: a rope blocking plate and a rope blocking shaft, wherein the rope blocking plate is pivotally sleeved on the pivot shaft of the rope guiding assembly, and the rope blocking shaft is at least two.
  • the rope blocking device of the rope blocking device of the invention can be pivoted.
  • the wire rope drives the rope shaft to pivot, thereby driving the rope blocking board and even the rope blocking device to pivot.
  • the rope blocking device can automatically adjust the position according to the rope outgoing direction of the wire rope, so that the rope shaft is always symmetrically disposed on the radially outer side of the rope guiding assembly along the rope outgoing direction of the rope, thereby effectively solving the problem that the wire rope is easy to be detached, Problems with wear or damage to other related coupling components.
  • FIG. 1 shows a schematic plan view of a prior art cord stop device
  • Fig. 2 shows a front view of the rope stop device of Fig. 1
  • Fig. 3 shows an implementation of a construction machine according to the invention
  • FIG. 4 is a partially enlarged view of the arm in FIG. 3
  • FIG. 5 is a schematic view showing the construction machine of FIG. 3 in a state in which the arm is completed
  • FIG. 6 is a view of FIG. A partial enlarged view of a center C
  • FIG. 7 is a cross-sectional view along line AA of the rope blocking device in a partially enlarged view of FIG.
  • the rope blocking device of the embodiment includes: a rope blocking plate 10 and a rope receiving shaft 30, wherein the rope blocking plate 10 is pivotally sleeved on the pulley shaft 1 of the pulley assembly, and is blocked.
  • the rope shafts 30 are at least two, mounted in parallel on the rope stop 10 and located radially outward of the pulley assembly. During the lifting process of the construction machine, the direction of the rope exiting the wire rope 5 changes greatly counterclockwise.
  • FIG. 4 shows the direction S1 of the rotation direction of the wire rope 5 from the ready arm state to the arm completion state.
  • the wire rope direction of the wire rope 5 is S1 l.
  • the wire take-up direction of the wire rope 5 is S12.
  • the rope blocking plate 10 of the rope blocking device of the embodiment can be rotated about the pulley shaft 1.
  • the wire rope 5 drives the rope shaft 30 to rotate around the pulley shaft 1, thereby driving the rope blocking plate 10 or even blocking
  • the rope device rotates around the pulley shaft 1, that is, the rope blocking device of the embodiment can automatically adjust the position according to the rope outgoing direction of the wire rope 5, so that the rope shaft 10 is always symmetrically disposed on the radially outer side of the pulley assembly along the rope outgoing direction of the rope. In this way, the problem that the wire rope is easily undocked, worn or damaged other related connecting parts is effectively solved.
  • the cord stop device of the present invention can be applied to any type of roping guide assembly and is not limited to application to the pulley assembly.
  • the above embodiment further includes: a roller 50 pivotally sleeved on the rope shaft 30, and the roller 50 is disposed corresponding to the pulley 3 in the pulley assembly.
  • the roller 50 is rotatable about the rope shaft 30, so that the friction on the wire rope can be further reduced, which is advantageous for the service life of the wire rope.
  • the roller 50 is preferably made of a nylon material, which is small in friction and low in cost.
  • the outer circumferential surface of the roller 50 has a concave ring groove in the middle portion in the axial direction, and the concave ring groove of the roller 50 corresponds to the rope groove of the pulley 3 of the pulley assembly to form the wire rope 5 through the space.
  • the recessed ring groove has a good guiding effect, so that the wire rope 5 is restrained between the concave ring groove of the pulley 3 and the concave ring groove of the roller 50, and the grooving of the wire rope is more effectively prevented.
  • baffle plates 10 which are a first baffle 11 and a second baffle 13, respectively, and the first baffle 11 and the second baffle 13 are arranged in parallel. Symmetrically distributed on both sides of the pulley assembly.
  • There are also two rope shafts 30, and two rope shafts 30 are mounted between the first rope board 11 and the second rope board 13.
  • the rope blocking plate 10 and the rope receiving shaft 30 of the rope blocking device of the present invention are not limited to two.
  • the two rope retaining plates 10 are elongated, and the central cross-sectional area of the retaining rope 10 is larger than the cross-sectional areas of the both end portions.
  • Both of the rope shafts 30 are made of a nylon material.
  • the rope shaft 30 is fixedly connected to the rope blocking plate 10 (such as welding), or the rope shaft 30 is pivotally connected to the rope blocking plate 10, and both ends of the rope receiving shaft 30 pass through the rope blocking plate 10 respectively. It is connected by the split pin 31.
  • a bearing 70 or a bushing is further provided between the rope blocking plate 10 and the pulley shaft 1.
  • the bearing 70 or the bushing can reduce wear on the pulley shaft 1.
  • the present invention also provides a construction machine having a mast and a roping guide assembly disposed on the mast, further comprising: the above-described cord stop device, the cord stop device being disposed on the roping guide assembly.
  • the rope stop device of the construction machinery The structure is simple, and can effectively solve the problem that the wire rope is easy to be undocked, worn or damaged other related coupling components.
  • the construction machine is a crawler crane or a tamping machine.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Jib Cranes (AREA)

Abstract

Disclosed are a rope-restraining device and engineering machinery having the same, wherein the rope-restraining device comprises a rope-restraining plate (10) pivotally surrounded on a pivot shaft of a rope-winding guide assembly, and at least two rope-restraining shafts (30) mounted on the rope-restraining plate (10) in a parallel manner and located on the radial outer side of the rope-winding guide assembly. The rope-restraining device effectively solves the problems that steel wire ropes or other stayed structures in the prior art easily jump from slots and abrade or damage other related connecting parts.

Description

挡绳装置及具有其的工程机械 技术领域 本发明涉及工程机械领域， 具体而言， 涉及一种挡绳装置及具有其的工程机械。 背景技术 目前， 国内外的强夯机及履带起重机等工程机械的挡绳装置一般采用如图 1和图 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the field of construction machinery, and in particular to a rope blocking device and a construction machine having the same. BACKGROUND OF THE INVENTION At present, the rope blocking devices of engineering machines such as strong boring machines and crawler cranes at home and abroad generally adopt the figure 1 and
2所示的方式固定在结构件上， 从图 1和图 2中可以看出， 挡绳装置包括挡轴 30'， 该 挡轴 30'可枢转地设置在结构件上。 挡轴 30'安装完成后即与结构件成一体结构， 仅可 绕其轴线旋转， 而位置不能改变， 所以， 无法根据钢丝绳 5'的出绳角度变换而自动调 整， 这样， 钢丝绳易脱槽、 磨损或损坏其他相关联接部件。 发明内容 本发明旨在提供一种挡绳装置及具有其的工程机械， 以解决现有技术中钢丝绳或 其他拉索结构易脱槽、 磨损或损坏其他相关联接部件的问题。 为了实现上述目的， 根据本发明的一个方面， 提供了一种挡绳装置， 包括： 挡绳 板， 可枢转地套设在绕绳导向组件的枢轴上； 挡绳轴， 至少为两根， 平行地安装在挡 绳板上， 并位于绕绳导向组件的径向外侧。 进一步地， 绕绳导向组件为滑轮组件， 枢轴为滑轮轴。 进一步地， 本发明的挡绳装置还包括： 滚轮， 可枢转地套设在挡绳轴上， 并且与 滑轮组件中的滑轮对应设置。 进一步地， 滚轮的外圆周表面上具有沿轴线方向的中部具有凹入环槽， 滚轮的凹 入环槽与滑轮组件的滑轮的绳槽相对应而形成钢丝绳穿过空间。 进一步地， 挡绳板为两个， 两个挡绳板呈平行设置， 对称分布在绕绳导向组件的 两侧， 包括： 第一挡绳板和第二挡绳板； 挡绳轴安装在第一挡绳板和第二挡绳板之间。 进一步地， 挡绳板与枢轴之间还设有轴承或轴套。 进一步地， 挡绳轴与挡绳板为枢转连接。 进一步地， 挡绳轴的两端分别穿过挡绳板并通过开口销连接。 根据本发明的另一方面， 提供了一种工程机械， 其具有桅杆和设置在桅杆上的绕 绳导向组件， 还包括： 上述的挡绳装置， 挡绳装置设置在绕绳导向组件上。 进一步地， 工程机械为履带起重机或强夯机。 本发明的技术方案中， 挡绳装置包括： 挡绳板和挡绳轴， 其中， 将挡绳板可枢转 地套设在绕绳导向组件的枢轴上， 挡绳轴为至少两根， 平行地安装在挡绳板上， 并位 于绕绳导向组件的径向外侧。 本发明的挡绳装置的挡绳板可绕枢轴旋转， 在钢丝绳出 绳方向发生改变时， 钢丝绳带动挡绳轴绕枢轴旋转， 进而带动挡绳板甚至挡绳装置绕 枢轴旋转， 即该挡绳装置可根据钢丝绳的出绳方向自动调整位置， 使挡绳轴始终沿钢 丝绳的出绳方向对称地设置在绕绳导向组件的径向外侧， 这样， 有效的解决了钢丝绳 易脱槽、 磨损或损坏其他相关联接部件的问题。 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发明的进一步理解， 本发明的示 意性实施例及其说明用于解释本发明， 并不构成对本发明的不当限定。 在附图中： 图 1示出了现有技术的挡绳装置的俯视示意图； 图 2示出了图 1中挡绳装置的主视示意图； 图 3示出了根据本发明的工程机械的实施例在准备起臂状态的示意图； 图 4示出了图 3中 B处的局部放大图； 图 5示出了图 3中的工程机械在起臂完成状态的示意图； 图 6示出了图 5中 C处的局部放大图； 以及 图 7示出了图 4的 B处的局部放大图中挡绳装置的 A-A向剖视图。 具体实施方式 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发明。 结合参见图 3至图 7， 本实施例的挡绳装置包括： 挡绳板 10和挡绳轴 30， 其中， 将挡绳板 10可枢转地套设在滑轮组件的滑轮轴 1上， 挡绳轴 30为至少两根， 平行地 安装在挡绳板 10上， 并位于滑轮组件的径向外侧。 工程机械在起臂过程中， 钢丝绳 5 的出绳方向沿逆时针发生了很大角度的变化。 具体说， 图 4中示出了钢丝绳 5从准备 起臂状态到起臂完成状态的旋转方向即方向 Sl， 在准备起臂状态时， 如图 4所示， 钢 丝绳 5的出绳方向为 Sl l，起臂完成状态时，如图 6所示，钢丝绳 5的出绳方向为 S12。 本实施例的挡绳装置的挡绳板 10可绕滑轮轴 1旋转，在钢丝绳 5出绳方向发生改变时， 钢丝绳 5带动挡绳轴 30绕滑轮轴 1旋转， 进而带动挡绳板 10甚至挡绳装置绕滑轮轴 1旋转， 即本实施例的挡绳装置可根据钢丝绳 5的出绳方向自动调整位置， 使挡绳轴 10始终沿钢丝绳的出绳方向对称地设置在滑轮组件的径向外侧， 这样， 有效的解决了 钢丝绳易脱槽、 磨损或损坏其他相关联接部件的问题。 当然， 本发明的挡绳装置可以 应用在任一种绕绳导向组件上， 并不限于应用在滑轮组件上。 优选地， 如图 7所示， 上述实施例还包括： 滚轮 50， 该滚轮 50可枢转地套设在 挡绳轴 30上， 并且该滚轮 50与滑轮组件中的滑轮 3对应设置。 滚轮 50可绕挡绳轴 30旋转， 这样， 可以进一步减少对钢丝绳的摩擦， 有利于钢丝绳使用寿命的增长。 另 夕卜， 该滚轮 50优选使用尼龙材料， 摩擦小且成本较低。 优选地， 上述的滚轮 50的外 圆周表面上具有沿轴线方向的中部具有凹入环槽，滚轮 50的凹入环槽与滑轮组件的滑 轮 3的绳槽相对应而形成钢丝绳 5穿过空间。 该凹入环槽具有很好的导向作用， 使钢 丝绳 5限制在滑轮 3的凹入环槽和滚轮 50的凹入环槽之间，更有效地防止了钢丝绳的 脱槽。 在一种优选的实施例中， 挡绳板 10为两个， 分别是第一挡绳板 11和第二挡绳板 13， 第一挡绳板 11和第二挡绳板 13呈平行设置， 对称分布在滑轮组件的两侧。 挡绳 轴 30也为两个， 两个挡绳轴 30安装在第一挡绳板 11和第二挡绳板 13之间。 上述结 构简单， 并且结构稳定。 当然， 本发明的挡绳装置的挡绳板 10和挡绳轴 30并不限于 两个， 在此为了方便介绍， 仅以两个为例进行说明。 如图 4和图 6所示， 两个挡绳板 10呈长形， 挡绳板 10的中部截面积大于其两端部的截面积。 两个挡绳轴 30均为尼龙 材料制成。 另外， 挡绳轴 30与挡绳板 10为固定连接 （比如焊接）， 或者， 挡绳轴 30 与挡绳板 10为枢转连接，挡绳轴 30的两端分别穿过挡绳板 10并通过开口销 31连接。 另外， 在上述实施例中， 挡绳板 10与滑轮轴 1之间还设有轴承 70或轴套。 轴承 70或轴套可以减少对滑轮轴 1的磨损。 本发明还提供了一种工程机械， 其具有桅杆和设置在桅杆上的绕绳导向组件， 还 包括： 上述的挡绳装置， 挡绳装置设置在绕绳导向组件上。 该工程机械的挡绳装置结 构简单， 并且能有效解决钢丝绳易脱槽、 磨损或损坏其他相关联接部件的问题。 该工 程机械的其他结构请参见现有技术， 在此不再赘述， 另外， 优选地， 该工程机械为履 带起重机或强夯机。 以上所述仅为本发明的优选实施例而已， 并不用于限制本发明， 对于本领域的技 术人员来说， 本发明可以有各种更改和变化。 凡在本发明的精神和原则之内， 所作的 任何修改、 等同替换、 改进等， 均应包含在本发明的保护范围之内。 The manner shown in Fig. 2 is fixed to the structural member. As can be seen from Figures 1 and 2, the retaining cord device includes a retaining shaft 30' that is pivotally disposed on the structural member. After the installation of the retaining shaft 30' is completed, it is integrated with the structural member, and can only rotate around its axis, and the position cannot be changed. Therefore, it cannot be automatically adjusted according to the change of the rope angle of the wire rope 5', so that the wire rope is easily undocked, Wear or damage other related coupling parts. SUMMARY OF THE INVENTION The present invention is directed to a rope retaining device and a construction machine therewith for solving the problems of prior art wire ropes or other cable structures that are susceptible to grooving, wearing or damaging other related coupling components. In order to achieve the above object, according to an aspect of the invention, a rope retaining device is provided, comprising: a rope blocking plate pivotally sleeved on a pivot of the roping guide assembly; and a retaining rope shaft, at least two Installed in parallel on the baffle plate and located radially outward of the roping guide assembly. Further, the roping guide assembly is a pulley assembly, and the pivot is a pulley shaft. Further, the rope retaining device of the present invention further includes: a roller pivotally sleeved on the rope shaft and disposed corresponding to the pulley in the pulley assembly. Further, the outer circumferential surface of the roller has a concave ring groove in the middle portion in the axial direction, and the concave ring groove of the roller corresponds to the rope groove of the pulley of the pulley assembly to form a wire rope passing space. Further, the two baffle plates are arranged in parallel, and the two baffle plates are arranged in parallel, symmetrically distributed on both sides of the roping guide assembly, and include: a first baffle plate and a second baffle plate; Between a baffle and a second brace. Further, a bearing or a bushing is further disposed between the rope stop and the pivot. Further, the rope shaft is pivotally connected to the rope stop. Further, the two ends of the rope shaft are respectively passed through the rope blocking plate and connected by the split pin. According to another aspect of the present invention, there is provided a construction machine having a mast and a roping guide assembly disposed on the mast, further comprising: the above-described cord stop device, the cord stop device being disposed on the roping guide assembly. Further, the construction machine is a crawler crane or a tamping machine. In the technical solution of the present invention, the rope blocking device comprises: a rope blocking plate and a rope blocking shaft, wherein the rope blocking plate is pivotally sleeved on the pivot shaft of the rope guiding assembly, and the rope blocking shaft is at least two. Mounted in parallel on the baffle and located radially outward of the roping guide assembly. The rope blocking device of the rope blocking device of the invention can be pivoted. When the wire rope is changed in the direction of the rope, the wire rope drives the rope shaft to pivot, thereby driving the rope blocking board and even the rope blocking device to pivot. The rope blocking device can automatically adjust the position according to the rope outgoing direction of the wire rope, so that the rope shaft is always symmetrically disposed on the radially outer side of the rope guiding assembly along the rope outgoing direction of the rope, thereby effectively solving the problem that the wire rope is easy to be detached, Problems with wear or damage to other related coupling components. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in FIG. In the drawings: Fig. 1 shows a schematic plan view of a prior art cord stop device; Fig. 2 shows a front view of the rope stop device of Fig. 1; Fig. 3 shows an implementation of a construction machine according to the invention FIG. 4 is a partially enlarged view of the arm in FIG. 3; FIG. 5 is a schematic view showing the construction machine of FIG. 3 in a state in which the arm is completed; FIG. 6 is a view of FIG. A partial enlarged view of a center C; and FIG. 7 is a cross-sectional view along line AA of the rope blocking device in a partially enlarged view of FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict. The invention will be described in detail below with reference to the drawings in conjunction with the embodiments. Referring to FIG. 3 to FIG. 7, the rope blocking device of the embodiment includes: a rope blocking plate 10 and a rope receiving shaft 30, wherein the rope blocking plate 10 is pivotally sleeved on the pulley shaft 1 of the pulley assembly, and is blocked. The rope shafts 30 are at least two, mounted in parallel on the rope stop 10 and located radially outward of the pulley assembly. During the lifting process of the construction machine, the direction of the rope exiting the wire rope 5 changes greatly counterclockwise. Specifically, FIG. 4 shows the direction S1 of the rotation direction of the wire rope 5 from the ready arm state to the arm completion state. When the arm state is prepared, as shown in FIG. 4, the wire rope direction of the wire rope 5 is S1 l. When the arm is completed, as shown in FIG. 6, the wire take-up direction of the wire rope 5 is S12. The rope blocking plate 10 of the rope blocking device of the embodiment can be rotated about the pulley shaft 1. When the wire rope 5 is changed in the direction of the rope, the wire rope 5 drives the rope shaft 30 to rotate around the pulley shaft 1, thereby driving the rope blocking plate 10 or even blocking The rope device rotates around the pulley shaft 1, that is, the rope blocking device of the embodiment can automatically adjust the position according to the rope outgoing direction of the wire rope 5, so that the rope shaft 10 is always symmetrically disposed on the radially outer side of the pulley assembly along the rope outgoing direction of the rope. In this way, the problem that the wire rope is easily undocked, worn or damaged other related connecting parts is effectively solved. Of course, the cord stop device of the present invention can be applied to any type of roping guide assembly and is not limited to application to the pulley assembly. Preferably, as shown in FIG. 7, the above embodiment further includes: a roller 50 pivotally sleeved on the rope shaft 30, and the roller 50 is disposed corresponding to the pulley 3 in the pulley assembly. The roller 50 is rotatable about the rope shaft 30, so that the friction on the wire rope can be further reduced, which is advantageous for the service life of the wire rope. In addition, the roller 50 is preferably made of a nylon material, which is small in friction and low in cost. Preferably, the outer circumferential surface of the roller 50 has a concave ring groove in the middle portion in the axial direction, and the concave ring groove of the roller 50 corresponds to the rope groove of the pulley 3 of the pulley assembly to form the wire rope 5 through the space. The recessed ring groove has a good guiding effect, so that the wire rope 5 is restrained between the concave ring groove of the pulley 3 and the concave ring groove of the roller 50, and the grooving of the wire rope is more effectively prevented. In a preferred embodiment, there are two baffle plates 10, which are a first baffle 11 and a second baffle 13, respectively, and the first baffle 11 and the second baffle 13 are arranged in parallel. Symmetrically distributed on both sides of the pulley assembly. There are also two rope shafts 30, and two rope shafts 30 are mounted between the first rope board 11 and the second rope board 13. The above structure is simple and the structure is stable. Of course, the rope blocking plate 10 and the rope receiving shaft 30 of the rope blocking device of the present invention are not limited to two. For convenience of description, only two examples will be described. As shown in FIGS. 4 and 6, the two rope retaining plates 10 are elongated, and the central cross-sectional area of the retaining rope 10 is larger than the cross-sectional areas of the both end portions. Both of the rope shafts 30 are made of a nylon material. In addition, the rope shaft 30 is fixedly connected to the rope blocking plate 10 (such as welding), or the rope shaft 30 is pivotally connected to the rope blocking plate 10, and both ends of the rope receiving shaft 30 pass through the rope blocking plate 10 respectively. It is connected by the split pin 31. Further, in the above embodiment, a bearing 70 or a bushing is further provided between the rope blocking plate 10 and the pulley shaft 1. The bearing 70 or the bushing can reduce wear on the pulley shaft 1. The present invention also provides a construction machine having a mast and a roping guide assembly disposed on the mast, further comprising: the above-described cord stop device, the cord stop device being disposed on the roping guide assembly. The rope stop device of the construction machinery The structure is simple, and can effectively solve the problem that the wire rope is easy to be undocked, worn or damaged other related coupling components. For other structures of the construction machine, please refer to the prior art, and details are not described herein. Further, preferably, the construction machine is a crawler crane or a tamping machine. The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

权 利 要 求 书 Claim
1. 一种挡绳装置， 其特征在于， 包括： A rope blocking device, comprising:
挡绳板 （10)， 可枢转地套设在绕绳导向组件的枢轴上；  a rope blocking plate (10) pivotally sleeved on a pivot of the roping guide assembly;
挡绳轴 （30)， 至少为两根， 平行地安装在所述挡绳板（10)上， 并位于所 述绕绳导向组件的径向外侧。  A baffle shaft (30), at least two, is mounted in parallel on the baffle plate (10) and located radially outward of the roping guide assembly.
2. 根据权利要求 1所述的挡绳装置，其特征在于，所述绕绳导向组件为滑轮组件， 所述枢轴为滑轮轴 （1 )。 2. A rope retaining device according to claim 1, wherein the roping guide assembly is a pulley assembly and the pivot is a pulley shaft (1).
3. 根据权利要求 2所述的挡绳装置， 其特征在于， 还包括： 滚轮（50)， 可枢转地 套设在所述挡绳轴 （30) 上， 并且与所述滑轮组件中的滑轮 （3 ) 对应设置。 3. The rope retaining device according to claim 2, further comprising: a roller (50) pivotally sleeved on the rope shaft (30) and in the pulley assembly The pulley (3) corresponds to the setting.
4 根据权利要求 3所述的挡绳装置， 其特征在于， 所述滚轮 （50) 的外圆周表面 上具有沿轴线方向的中部具有凹入环槽， 所述滚轮 （50) 的凹入环槽与所述滑 轮组件的滑轮 （3 ) 的绳槽相对应而形成钢丝绳穿过空间。 The rope retaining device according to claim 3, wherein the outer circumferential surface of the roller (50) has a concave ring groove in a central portion in the axial direction, and a concave ring groove of the roller (50) Corresponding to the rope groove of the pulley (3) of the pulley assembly, a wire rope passing space is formed.
5. 根据权利要求 1所述的挡绳装置， 其特征在于， 所述挡绳板 （10) 为两个， 两 个所述挡绳板（10)呈平行设置， 对称分布在所述绕绳导向组件的两侧， 包括: 第一挡绳板（11 )和第二挡绳板（13 ); 所述挡绳轴 （30)安装在所述第一挡绳 板 （11 ) 和第二挡绳板 （13 ) 之间。 5. The rope retaining device according to claim 1, wherein the two baffle plates (10) are two, and the two baffle plates (10) are arranged in parallel and symmetrically distributed on the roping The two sides of the guiding assembly include: a first baffle (11) and a second baffle (13); the baffle shaft (30) is mounted on the first baffle (11) and the second block Between the rope plates (13).
6. 根据权利要求 1所述的挡绳装置， 其特征在于， 所述挡绳板 （10) 与所述枢轴 之间还设有轴承 （70) 或轴套。 6. A rope blocking device according to claim 1, characterized in that a bearing (70) or a bushing is further arranged between the rope stop (10) and the pivot.
7. 根据权利要求 1所述的挡绳装置， 其特征在于， 所述挡绳轴 （30) 与所述挡绳 板 （10) 为枢转连接。 7. A rope blocking device according to claim 1, characterized in that the rope shaft (30) is pivotally connected to the rope stop (10).
8. 根据权利要求 1所述的挡绳装置， 其特征在于， 所述挡绳轴 （30) 的两端分别 穿过所述挡绳板 （10) 并通过开口销 （31 ) 连接。 The rope blocking device according to claim 1, characterized in that both ends of the rope shaft (30) pass through the rope blocking plate (10) and are connected by a split pin (31).
9. 一种工程机械，其具有桅杆和设置在所述桅杆上的绕绳导向组件，其特征在于， 还包括： 权利要求 1至 8中任一项所述的挡绳装置， 所述挡绳装置设置在所述 绕绳导向组件上。 A construction machine having a mast and a roping guide assembly disposed on the mast, further comprising: the cord blocking device according to any one of claims 1 to 8, the retaining cord A device is disposed on the roping guide assembly.
10. 根据权利要求 9所述的工程机械， 其特征在于， 所述工程机械为履带起重机或 强夯机。 The construction machine according to claim 9, wherein the construction machine is a crawler crane or a tamping machine.
PCT/CN2011/078307 2011-06-10 2011-08-11 Rope-restraining device and engineering machinery having same WO2012167504A1 (en)

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CN201110156330.6 2011-06-10
CN 201110156330 CN102303824B (en) 2011-06-10 2011-06-10 Ward-off rope device and engineering machinery with same

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