WO2012097487A1 - 一种履带起重机可移动式后配重装置 - Google Patents

一种履带起重机可移动式后配重装置 Download PDF

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Publication number
WO2012097487A1
WO2012097487A1 PCT/CN2011/001058 CN2011001058W WO2012097487A1 WO 2012097487 A1 WO2012097487 A1 WO 2012097487A1 CN 2011001058 W CN2011001058 W CN 2011001058W WO 2012097487 A1 WO2012097487 A1 WO 2012097487A1
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WO
WIPO (PCT)
Prior art keywords
trolley
crawler crane
sliding rail
movable rear
crane
Prior art date
Application number
PCT/CN2011/001058
Other languages
English (en)
French (fr)
Inventor
张志�
廖虎灵
王策
Original Assignee
湖南三一智能控制设备有限公司
昆山三一机械有限公司
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Application filed by 湖南三一智能控制设备有限公司, 昆山三一机械有限公司 filed Critical 湖南三一智能控制设备有限公司
Priority to US13/266,621 priority Critical patent/US20130292352A1/en
Priority to JP2013549687A priority patent/JP5884247B2/ja
Priority to EP11773164.6A priority patent/EP2497740B1/en
Publication of WO2012097487A1 publication Critical patent/WO2012097487A1/zh

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Classifications

    • 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
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
    • B66C23/76—Counterweights or supports for balancing lifting couples separate from jib and movable to take account of variations of load or of variations of length of jib

Definitions

  • the utility model relates to a mechanical device for a crawler crane, in particular to a movable rear weight device of a crawler crane.
  • the crawler crane is a self-propelled crane for high-rise building construction and a boom-rotating crane that uses crawler belts.
  • the track has a large grounding area, good passability, strong adaptability, and can be carried on a load. It is suitable for lifting on construction sites. operation.
  • crawler cranes at home and abroad use fixed rear counterweights or super-lifting counterweights to complete the stability of the whole crane when lifting heavy objects.
  • the disadvantage of fixed weight is that the lifting load is relatively small, and the super-loading is installed. Although it can greatly improve the lifting capacity of the crane, the cost is correspondingly increased.
  • Utility model content is a self-propelled crane for high-rise building construction and a boom-rotating crane that uses crawler belts.
  • the track has a large grounding area, good passability, strong adaptability, and can be carried on a load. It is suitable for lifting on construction sites. operation.
  • crawler cranes at home and abroad use fixed rear counterweights or super-lifting counterweights to
  • the purpose of the utility model is to provide a movable rear weighting device for a crawler crane, which can maximize the utilization of the weight of the crane itself to achieve the maximum lifting capacity of the whole machine, and improve the lifting capacity of the crane and the stability of the whole machine. And no additional cost.
  • a crawler crane movable rear weight device wherein:
  • a slide rail which is mounted on the rear of the main body of the crawler crane, one end is connected to the tail of the main platform, and the other end is connected to the mast by a tie rod;
  • a driving mechanism and a trolley driven by the driving mechanism one end of the driving mechanism is connected to one end of the sliding rail near the tail of the main platform, and the other end is connected to the trolley, and the trolley is mounted on the sliding rail, the trolley With a counterweight.
  • the crawler crane movable rear weight device wherein the driving mechanism comprises an oil cylinder and a connecting rod connected to each other, the connecting rod is connected to the trolley, and the oil cylinder and the sliding rail are close to the tail end of the main platform One end is connected.
  • the above crawler crane movable rear weight device wherein the connecting rod is a four-link structure, and the oil cylinder is a double-acting cylinder.
  • the above crawler crane movable rear weight device wherein the trolley has a weight tray, and the weight is disposed at both ends of the weight tray.
  • the above-mentioned crawler crane movable rear weighting device wherein the inside of the trolley is provided with a locking mechanism, and the sliding rail is provided with an orifice plate, and the two sides of the orifice plate are respectively disposed along the track direction of the sliding rail There are a number of holes, the holes having the same size and shape, and the cores are on the same straight line and adjacent to each other with an equal spacing.
  • the crawler crane movable rear weight device wherein the locking mechanism includes a lock pin, and the lock pin is inserted into a hole in the orifice plate.
  • the above-mentioned crawler crane movable rear weight device wherein the two trolleys are installed side by side on both sides of the slide rail, and the lock pin is inserted into a hole in the orifice plate on the same side.
  • the device realizes the maximum use of the crane's own counterweight to achieve the maximum lifting and more stable of the whole machine, so that the center of gravity of the crawler crane is as close as possible to the center of rotation, that is, the car is driven by the cylinder and the linkage mechanism, the trolley Load the counterweight and carry out the two-way movement away from or close to the center of gravity of the vehicle along the track assembled at the rear of the main machine, thereby improving the lifting capacity of the crane and the stability of the whole machine;
  • FIG. 1 is a schematic view showing the overall structure of a movable rear weight device of a crawler crane according to the present invention
  • FIG. 2 is a partial structural schematic view of the movable rear weight device of the crawler crane of the present invention. detailed description
  • the movable rear weight device of the crawler crane of the present invention comprises a slide rail 1, a driving mechanism 2 and a trolley 3 driven by the same, and the slide rail 1 is assembled at the rear of the crawler crane main body, one end It is connected to the tail end 4 of the main platform, and the other end is connected to the mast by a tie rod 5.
  • the drive mechanism 2 - end is connected to the slide rail 1 near one end of the main platform tail 4, and the other end is connected to the trolley 3, and the trolley 3 is mounted on the slide rail 1 with a counterweight.
  • the drive mechanism 2 includes a cylinder 22 and a link 23 which are connected to each other by a hinge point 21.
  • the link 23 has a four-link structure and is connected to the trolley 3, which is a double-acting cylinder.
  • a weight pallet 3 is hung on the trolley 3, and the weight 7 is placed at both ends of the weight pallet 6, and the weight of the weight 7 is preset according to actual needs.
  • the inside of the trolley 3 is provided with a locking mechanism 31.
  • the slide rail 1 is provided with an orifice plate 11 having a hole 111.
  • the holes 111 have the same size and shape, the holes are on the same straight line and adjacent to each other, and the locking mechanism 31 includes a lock.
  • the pin 311 inserts the lock pin 311 into the hole 111 in the orifice plate 11, thereby achieving the purpose of fixing the carriage 3.
  • the trolleys 3 are specifically two, which are arranged side by side on the two sides of the slide rails 1.
  • the two sides of the orifice plate 11 are respectively provided with a plurality of holes 111 along the track direction of the slide rails 1, and the lock pins 311 are inserted into the orifice plates on the same side.
  • the plurality of holes 111 on the same side are the same in size and shape, and the holes are on the same straight line and adjacent to each other.
  • the two carts 3 load the counterweight and perform bidirectional movement away from or close to the center of gravity of the vehicle along the rail 1 assembled at the rear of the main body.
  • the connecting rod 23 is pushed or pulled by the cylinder 22.
  • the upper hinge point 21 causes the connecting rod 23 to extend or retract, and drives the trolley 3 to move horizontally in a direction parallel to the sliding rail 1, that is, the position of the counterweight tray 5 and the weighting block 7 at the rear of the main body is realized. Far and near.
  • the locking mechanism 31 located inside the carriage 3 inserts the lock pin 311 into the orifice plate 11 on the rail 1 to fix the trolley 3, improving the stability and safety of the rear weight.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Description

一种履带起重机可移动式后配重装置 技术领域
本实用新型涉及一种用于履带起重机的机械设备，尤其是一种履带起重机可移动式后 配重装置。
履带式起重机是一种高层建筑施工用的自行式起重机和一种利用履带行走的动臂旋 转起重机， 履带接地面积大， 通过性好， 适应性强， 可带载行走， 适用于建筑工地的吊装 作业。 目前， 国内外履带起重机都是采用固定的后配重或者加装超起配重来完成吊重物时 的整机稳定， 固定配重的缺点是吊装载荷相对较小，而加装超起配重虽说可以大大提高起 重机的吊载能力， 但成本也相应大增。 实用新型内容
本实用新型的目的是提供一种履带起重机可移动式后配重装置，可以实现最大限度地 利用起重机本身配重达到整机的最大吊载，提高了起重机的起重能力和整机稳定性，且不 增加额外成本。
本实用新型解决其技术问题所采用的技术方案是：
一种履带起重机可移动式后配重装置， 其中， 包括：
滑轨， 装配在履带起重机主机后部， 一端与主平台尾部相连， 另一端通过拉杆连接到 桅杆上； 以及，
驱动机构及受其驱动的小车，所述驱动机构一端与所述滑轨靠近所述主平台尾部的一 端相连， 另一端连接所述小车， 所述小车安装在所述滑轨上， 所述小车上带有配重。
1
确 认 本 上述履带起重机可移动式后配重装置，其中，所述驱动机构包括相互连接的油缸和连 杆， 所述连杆与所述小车连接， 所述油缸与所述滑轨靠近所述主平台尾部的一端相连。
上述履带起重机可移动式后配重装置， 其中， 所述连杆为四连杆结构， 所述油缸为双 作用油缸。
上述履带起重机可移动式后配重装置， 其中， 所述小车上挂有配重托盘， 配重块安置 在所述配重托盘的两端。
上述履带起重机可移动式后配重装置， 其中， 所述小车内侧设有锁紧机构， 所述滑轨 上铺设有一孔板，所述孔板两侧沿着所述滑轨的轨道方向分别设有若干孔，所述若干孔大 小形状相同， 孔心位于同一直线上且相邻为等同间距。
上述履带起重机可移动式后配重装置， 其中， 所述锁紧机构包括锁销， 所述锁销插入 所述孔板上的孔内。
上述履带起重机可移动式后配重装置， 其中， 所述小车为两台， 并排装设于所述滑轨 的两边侧， 所述锁销插入位于同侧的所述孔板上的孔内。
本实用新型的有益效果体现在-
( 1 ) 本装置实现了最大限度地利用起重机的本身配重达到整机的最大吊载和更加稳 定的目的， 使履带起重机的重心尽量靠近回转中心， 即通过油缸和连杆机构驱动小车， 小 车负载配重并沿着装配在主机后部的轨道进行远离或靠近整车重心的双向运动，以此来提 高起重机的起重能力和整机稳定性；
(2 ) 本装置便于安装、 拆卸和运输。 附图说明
图 1是本实用新型履带起重机可移动式后配重装置的整体结构示意图；
图 2是本实用新型履带起重机可移动式后配重装置的局部结构示意图。 具体实施方式
下面结合附图和具体实施例对本实用新型作进一步说明， 但不作为本实用新型的限 定。
请参看图 1和图 2所示， 本实用新型履带起重机可移动式后配重装置包括滑轨 1、 驱 动机构 2及受其驱动的小车 3， 滑轨 1装配在履带起重机主机后部， 一端与主平台尾部 4 相连， 另一端通过拉杆 5连接到桅杆上。驱动机构 2—端与滑轨 1靠近主平台尾部 4的一 端相连， 另一端连接小车 3， 小车 3安装在滑轨 1上并带有配重。 驱动机构 2包括通过铰 点 21相互连接的油缸 22和连杆 23， 连杆 23为四连杆结构， 与小车 3连接， 油缸 22为 双作用油缸。 小车 3上挂有配重托盘 6, 配重块 7安置在配重托盘 6的两端， 配重块 7的 重量根据实际需要进行预设。 小车 3内侧设有锁紧机构 31， 滑轨 1上铺设有带孔 111的 孔板 11， 孔 111的大小形状相同， 孔心位于同一直线上且相邻为等同间距， 锁紧机构 31 包括锁销 311， 将锁销 311插入孔板 11上的孔 111内， 以此来实现固定小车 3的目的。
此处小车 3具体为 2台， 并排装设在滑轨 1的两边侧， 孔板 11两侧沿着滑轨 1的轨 道方向分别设有若干孔 111， 锁销 311插入位于同侧的孔板 11上的孔 111内。 上述同侧 的若干孔 111均为大小形状相同， 孔心位于同一直线上且相邻为等同间距。
工作时，两台小车 3负载配重并沿着装配在主机后部的轨道 1进行远离或靠近整车重 心的双向运动， 当油缸 22伸长或缩短时， 通过油缸 22推或拉连杆 23上部的铰点 21， 使 连杆 23伸出或缩回， 带动小车 3沿着与滑轨 1平行的方向进行水平移动， 即实现了配重 托盘 5和配重块 7位于主机后方位置的不同远近。 当配重移动到所需位置后， 位于小车 3 内侧的锁紧机构 31将锁销 311插入轨道 1上的孔板 11内，使小车 3固定，提高了后配重 的稳定性和安全性。
以上所述仅为本实用新型较佳的实施例， 并非因此限制本实用新型的申请专利范围， 所以凡运用本实用新型说明书及图示内容所作出的等效结构变化，均包含在本实用新型的 保护范围内。

Claims

权 利 要 求 书
1、 一种履带起重机可移动式后配重装置， 其特征在于， 包括：
滑轨， 装配在履带起重机主机后部， 一端与主平台尾部相连， 另一端通过拉杆连接到 桅杆上； 以及，
驱动机构及受其驱动的小车，所述驱动机构一端与所述滑轨靠近所述主平台尾部的一 端相连， 另一端连接所述小车， 所述小车安装在所述滑轨上， 所述小车上带有配重。
2、 根据权利要求 1所述的履带起重机可移动式后配重装置， 其特征在于， 所述驱动 机构包括相互连接的油缸和连杆，所述连杆与所述小车连接，所述油缸与所述滑轨靠近所 述主平台尾部的一端相连。
3、 根据权利要求 2所述的履带起重机可移动式后配重装置， 其特征在于， 所述连杆 为四连杆结构， 所述油缸为双作用油缸。
4、 根据权利要求 1所述的履带起重机可移动式后配重装置， 其特征在于， 所述小车 上挂有配重托盘， 配重块安置在所述配重托盘的两端。
5、 根据权利要求 1所述的履带起重机可移动式后配重装置， 其特征在于， 所述小车 内侧设有锁紧机构，所述滑轨上铺设有一孔板，所述孔板两侧沿着所述滑轨的轨道方向分 别设有若干孔， 所述若干孔大小形状相同， 孔心位于同一直线上且相邻为等同间距。
6、 根据权利要求 5所述的履带起重机可移动式后配重装置， 其特征在于， 所述锁紧 机构包括锁销， 所述锁销插入所述孔板上的孔内。
7、 根据权利要求 6所述的履带起重机可移动式后配重装置， 其特征在于， 所述小车 为两台， 并排装设于所述滑轨的两边侧， 所述锁销插入位于同侧的所述孔板上的孔内。
PCT/CN2011/001058 2011-01-19 2011-06-27 一种履带起重机可移动式后配重装置 WO2012097487A1 (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US13/266,621 US20130292352A1 (en) 2011-01-19 2011-06-27 Mobile rear counterweight device for crawler crane
JP2013549687A JP5884247B2 (ja) 2011-01-19 2011-06-27 クローラクレーンの可動式後部釣合重り装置
EP11773164.6A EP2497740B1 (en) 2011-01-19 2011-06-27 Movable rear counterweight device for crawler crane

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201120016461.X 2011-01-19
CN 201120016461 CN201952140U (zh) 2011-01-19 2011-01-19 一种履带起重机可移动式后配重装置

Publications (1)

Publication Number Publication Date
WO2012097487A1 true WO2012097487A1 (zh) 2012-07-26

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PCT/CN2011/001058 WO2012097487A1 (zh) 2011-01-19 2011-06-27 一种履带起重机可移动式后配重装置

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Country Link
US (1) US20130292352A1 (zh)
EP (1) EP2497740B1 (zh)
JP (1) JP5884247B2 (zh)
CN (1) CN201952140U (zh)
WO (1) WO2012097487A1 (zh)

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CN102515041A (zh) * 2011-10-28 2012-06-27 上海三一科技有限公司 一种履带起重机移动配重装置及包括该装置的起重机
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CN106629430B (zh) * 2016-10-26 2018-04-24 中核机械工程有限公司 一种履带式起重机超起配配重转换架
CN106958451B (zh) * 2017-05-12 2019-04-19 河南理工大学 一种煤矿巷道掘进辅助支护装置
CN107337121B (zh) * 2017-08-04 2023-04-25 辽宁天一重工有限公司 一种高效率塔机臂
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CN117213993B (zh) * 2023-11-09 2024-01-26 齐齐哈尔大学 一种双杠运动器材强度检测装置
CN117868248B (zh) * 2024-02-28 2024-07-19 江苏国润机械制造有限公司 一种步履式挖掘机回转平台

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