WO2012003767A1 - Super lift device and telescope arm lift device with the same - Google Patents

Super lift device and telescope arm lift device with the same Download PDF

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Publication number
WO2012003767A1
WO2012003767A1 PCT/CN2011/076411 CN2011076411W WO2012003767A1 WO 2012003767 A1 WO2012003767 A1 WO 2012003767A1 CN 2011076411 W CN2011076411 W CN 2011076411W WO 2012003767 A1 WO2012003767 A1 WO 2012003767A1
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WO
WIPO (PCT)
Prior art keywords
super
lifting
bracket
lifting device
arm
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Application number
PCT/CN2011/076411
Other languages
French (fr)
Chinese (zh)
Inventor
叶芳
刘木南
Original Assignee
湖南三一智能控制设备有限公司
三一汽车起重机械有限公司
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Application filed by 湖南三一智能控制设备有限公司, 三一汽车起重机械有限公司 filed Critical 湖南三一智能控制设备有限公司
Publication of WO2012003767A1 publication Critical patent/WO2012003767A1/en

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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
    • B66C23/18—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 specially adapted for use in particular purposes
    • B66C23/36—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • 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
    • B66C23/821—Bracing equipment for booms
    • B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions

Definitions

  • the present invention relates to a super-lifting device for a lifting apparatus, and a telescopic boom lifting apparatus having the super-lifting device. Background technique
  • the super-lifting device comprises: at least one super-lifting bracket, the fixed end of which is hinged to the lifting arm of the lifting device; the first tensioning mechanism, one end of which is connected to the movable end of the super-lifting bracket and The other end is fixed to the head end of the boom; and the second tensioner One end is connected to the movable end of the super-lifting bracket, and the other end of the second tensioning mechanism is connected to the turntable of the lifting device.
  • the second tensioning mechanism of the super-lifting device according to the present invention is connected to the turret of the crane, which is equivalent to the second tensioning mechanism additionally pulling the lifting arm, thereby greatly reducing the lifting arm of the crane The force of the variable amplitude cylinder.
  • the super-lifting device further includes an over-jumping cylinder disposed between the super-lifting bracket and the boom for rotating the super-lifting bracket about its fixed end in the hoisting plane of the jib. This allows the stand to stand upright on the boom and maintain its position.
  • the number of at least one super-lifting bracket is two.
  • a side cylinder is provided between the super-lifting bracket and the boom for adjusting the opening angle of the super-lifting bracket on both sides of the lifting arm.
  • the two super-lifting brackets can be extended on both sides of the boom. This arrangement of the super-lifting device not only reduces the deformation of the boom in the vertical direction, but also advantageously prevents the bypass of the boom.
  • the super-lifting bracket can be attached to any of the boom arms other than the tail boom.
  • the installation position of the super-lifting bracket can be arbitrarily set according to the current working condition, thereby improving the flexibility of use of the super-lifting device.
  • the first tensioning mechanism has an upper hoisting and pulling rope
  • the super-lifting hoist is disposed on the movable end of the super-lifting bracket, the one end of the pulling rope is connected to the lifting arm, and the other end is connected to the super-lifting,
  • the length and tension of the drawstring are adjusted by the super hoisting.
  • the hoisting can release or retract the drawstring, and when the jib is fixedly staying at its working length, the hoisting and tightening of the drawstring is performed. Thereby adjusting the tension of the drawstring, the purpose of preventing the boom from bending and preventing the deformation of the boom.
  • the second tensioning mechanism comprises a rope row and a telescopic cylinder or a tightening winch, and the tensioning force and the length of the rope row are adjusted by the telescopic cylinder or the tightening winch, wherein one end of the rope row is fixed at the super-lifting
  • the movable end of the bracket, and the other end is connected to the turntable by a telescopic cylinder or a tightening winch.
  • the second tensioning mechanism comprises a pull plate and a telescopic cylinder, and the length of the second tensioning mechanism is adjusted by the telescopic cylinder, wherein one end of the pull plate is fixed on the movable end of the bracket, And the other end is connected to the turntable through a telescopic cylinder.
  • the length of the second tensioning mechanism between the movable end of the bracket and the turret is also inevitably changed as the lifting angle of the boom changes, by applying the design according to the invention.
  • the telescopic cylinder or the tightening winch can adjust the length of the second tensioning mechanism in a single manner, thereby satisfying the support of the super-lifting bracket, so as to prevent the boom from bending and preventing the deformation of the boom. .
  • one end of the first tensioning mechanism is connected to the boom by means of a bracket.
  • the bracket further enhances the ability of the super-lifting device according to the present invention to prevent the boom from bending and deforming.
  • the length of the super-lifting bracket is adjustable. That is to say, the super-lifting bracket according to the present invention can increase the length when the hoisting weight is large and the jib extension length is long, thereby obtaining a larger force arm to avoid the boom bending and deformation. And the super-lifting bracket can be retracted in the transport state, so that it has greater flexibility in transportation.
  • Another object of the invention is achieved by a telescopic boom lifting apparatus having a super-lifting device of the type described above.
  • the lifting device can effectively avoid the deformation and side bend of the boom, and the lifting arm of the lifting device is relatively less stressed.
  • FIG. 1 is a schematic view of an embodiment of a super-lifting device according to the present invention
  • FIG. 2 is a schematic view of another mounting configuration of the super-lifting device according to the super-lifting device of FIG. Figure
  • Figure 3 is a schematic illustration of another embodiment of a superlift device in accordance with the present invention.
  • Figure 4 is a plan view of a 3 ⁇ 4 ⁇ 4 device according to the present invention.
  • Figure 5 is a schematic view of a super-lifting device according to the present invention having a super-lifting bracket after length adjustment;
  • Figure 6 is a detailed enlarged view of the super-lifting of the super-lifting device according to the present invention. detailed description
  • Figure 1 shows a crane 5 having a super-lifting device according to the invention, wherein the super-lifting device has a super-lifting bracket 2 which is detachably fastened to the basic arm section 8 of the crane 5 by means of a bracket race 7. Furthermore, the super-lifting device has a first tensioning mechanism 1 and a second tensioning mechanism 3, wherein one end of the first tensioning mechanism 1 is connected to the movable end of the super-lifting bracket 2 and the other end is fixed to the lifting arm 6 Extending the outer end of the last section arm 10.
  • the first tensioning mechanism 1 has a drawstring and an overhanging hoist 14 (described further in Figure 6) that is disposed on the movable end of the super-lifting bracket 2, one end of the drawstring The last arm 10 is connected, and the other end is connected to the super-lift hoist 14, so that the length and tension of the drawstring are adjusted by the super-lift hoist 14.
  • the second tensioning device 3 comprises a rope row and a tightening winch 17, wherein one end of the rope row is fixed to the movable end of the super-lifting bracket 2, and the other end is connected to the turntable 4 by the tightening winch 17.
  • the winch 17 can be tightened to retract the rope row, and the rope row is tightened when the boom 6 reaches the working position, thereby the super-lifting bracket 2 and thus the first tensioning device 1 provide support.
  • the tightening winch 17 is placed as far as possible from the hinge point of the boom 6 and the turntable 4 of the crane. This increases the force arm to the hinge point, so that the super-lifting device assumes a portion of the force that should be carried by the boom luffing cylinder 16, which greatly reduces the acceptance of the boom luffing cylinder 16. force.
  • Fig. 2 shows a schematic view of another mounting position of the super-lifting bracket 2 according to the super-lifting device of Fig. 1.
  • the mounting position of the bracket 2 In the embodiment of Fig. 2, the super-lifting bracket 2 is not disposed on the basic arm as in Fig. 1. On the section 8, it is placed on the middle arm section of the boom 6. That is to say, the super-lifting bracket 2 of the super-lifting device according to the design of the present invention can be disposed on any one of the arm sections except the last-end arm 10.
  • Figure 3 shows a schematic view of another embodiment of a 3 ⁇ 4 ⁇ 4 device in accordance with the present invention.
  • the embodiment of Figure 3 differs from the embodiment of Figure 1 in the second tensioning device 3.
  • a telescopic cylinder 9 is used instead of the tightening winch 17. The length and tension of the string are adjusted by the telescopic cylinder 9.
  • the string can be replaced by a pull plate and the winch can be replaced by a telescopic cylinder. They act on the rope row and tighten the winch and are therefore not further described here.
  • Figure 4 shows a top view of a 3 ⁇ 4 ⁇ 4 device in accordance with the present invention.
  • the super-lifting device has two super-lifting brackets 2, which are fixed on the basic arm section 8, and are passed through the two super-incrementing cylinders 12 (see Fig. 1) on the boom 6 Stand up on it.
  • the two super-lifting brackets 2 are opened to a certain angle to both sides of the boom 6 through the side cylinders 13 disposed between the boom 6 and the super-lifting bracket 2.
  • one end of the first tensioning mechanism 1 is fixed to the outer end of the last arm 10 through the bracket 11, and the other end is attached to the movable end of the super-lifting bracket 2.
  • One end of the second tensioning mechanism 3 is fixed to the movable end of the super-lifting bracket 2, and the other end is fixed to the turntable 4 of the crane 5 by the tightening winch 17.
  • Figure 5 shows a schematic view of a 3 ⁇ 4 ⁇ 4 device according to the invention with a bracket 2 after length adjustment.
  • the length of the bracket 2 in Figure 5 is adjustable.
  • the length of the super-lifting bracket 2 is lengthened, so that the arm of the super-lifting bracket 2 is lengthened, thereby further avoiding the side bend and deformation of the boom.
  • Fig. 6 shows in detail the super-lifting hoisting 14 provided on the movable end of the super-lifting bracket 2, on which the hoisting locking bolt 15 is provided.
  • the hoisting locking bolt 15 is snapped into the gullet of the gear-like runner 18 of the hoisting hoist 14 one by one, thereby preventing the hoisting 14 from being in the opposite direction. Rotate.

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

Abstract

A super lift device and a telescope arm lift device with the same are disclosed. The super lift device includes a super lifting support (2) whose fixing end is hinged with a lifting arm (6) of the lift device, the first tension mechanism (1) one end of which is connected to a movable end of the lifting support (2) and another end of which is fixed to a head end of the lifting arm (6), and the second tension mechanism (3) one end of which is connected to the movable end of the super lifting support (2) and another end of which is connected to a rotary table (4) of the lifting device. A super lifting derricking cylinder (12) is installed between the super lifting support (2) and the lifting arm (6) for making the super lifting support (2) to rotate about the fixing end in a lifting plane of the lifting arm. The super lift device could greatly reduce the stress of the derricking cylinder of the lifting arm of the crane.

Description

超起装置和具有该装置的伸缩臂起重设备  Super-lifting device and telescopic boom lifting device having the same
本申请要求于 2010 年 7 月 5 日提交中国专利局， 申请号为 201010217014.0, 发明名称为 "超起装置和具有该装置的伸缩臂起重 设备"的中国专利申请的优先权， 其全部内容通过引用结合在本申请 中。 技术领域  This application claims priority to Chinese Patent Application No. 201010217014.0, entitled "Super-lifting device and telescopic boom lifting device with the device", which is filed on July 5, 2010, the entire contents of which are hereby incorporated by reference. The citations are incorporated herein by reference. Technical field
本发明涉及一种用于起重设备的超起装置，以及一种具有该超起 装置的伸缩臂起重设备。 背景技术  The present invention relates to a super-lifting device for a lifting apparatus, and a telescopic boom lifting apparatus having the super-lifting device. Background technique
大吨位起重机由于起重量大、起重臂长度长，要求起重臂的截面 大， 起重臂的重量也因此增大， 自重的增大又影响了其他部件的设计 和整机稳定性。 同时， 由于臂长长、 起重臂截面受到高度和宽度限制 时， 起重臂的长细比增大， 吊重时刚度变差， 导致旁弯大， 起重臂自 身结构的稳定性很差。 另外， 大吨位起重机变幅缸的受力增大， 变幅 油缸的直径也变大， 影响整机总体设计和布局。 因而大吨位起重机特 别是特大吨位起重机需要采用超起装置来避免上述缺陷。然而现有技 术中公开的 装置的普遍缺点在于，虽然起重臂旁弯和变形能通过 这种类型的超起装置来尽可能地避免，但是起重机的起重臂变幅缸的 受力依然^艮大， 其受力并不能减轻。 发明内容  Due to the large lifting capacity and long boom length, large-tonnage cranes require a large cross-section of the boom and an increase in the weight of the boom. The increase in self-weight affects the design of other components and the stability of the machine. At the same time, due to the length of the arm and the height and width of the boom section, the length-to-thin ratio of the boom increases, the stiffness decreases when the weight is hoisted, resulting in a large side bend, and the stability of the boom's own structure is poor. . In addition, the force of the large-tonnage crane luffing cylinder increases, and the diameter of the variable-width cylinder also increases, affecting the overall design and layout of the whole machine. Therefore, large tonnage cranes, especially large tonnage cranes, require the use of super-lifting devices to avoid the above drawbacks. However, a general disadvantage of the devices disclosed in the prior art is that although the side bend and deformation of the boom can be avoided as much as possible by this type of super-lifting device, the force of the crane's boom-varying cylinder is still ^ When you are big, your stress cannot be alleviated. Summary of the invention
因此，本发明的目的在于提出一种改进了的用于起重设备的超起 装置， 该超起装置能够大幅降低起重机的起重臂变幅缸的受力。  Accordingly, it is an object of the present invention to provide an improved super-lifting device for a lifting apparatus that can substantially reduce the force applied to the boom's luffing cylinder of the crane.
本发明的目的由此实现， 即超起装置包括： 至少一个超起支架， 其固定端与起重设备的起重臂铰接； 第一拉紧机构， 其一端连接至超 起支架的活动端并且另一端固定至起重臂的头部端；以及第二拉紧机 构， 其一端连接至超起支架的活动端， 其中， 第二拉紧机构的另一端 连接在起重设备的转台上。将根据本发明的超起装置的第二拉紧机构 连接在起重机的转台上，相当于将第二拉紧机构附加地对起重臂产生 牵拉作用， 这样就能大幅降低起重机的起重臂变幅油缸的受力。 The object of the invention is achieved in that the super-lifting device comprises: at least one super-lifting bracket, the fixed end of which is hinged to the lifting arm of the lifting device; the first tensioning mechanism, one end of which is connected to the movable end of the super-lifting bracket and The other end is fixed to the head end of the boom; and the second tensioner One end is connected to the movable end of the super-lifting bracket, and the other end of the second tensioning mechanism is connected to the turntable of the lifting device. The second tensioning mechanism of the super-lifting device according to the present invention is connected to the turret of the crane, which is equivalent to the second tensioning mechanism additionally pulling the lifting arm, thereby greatly reducing the lifting arm of the crane The force of the variable amplitude cylinder.
根据本发明的超起装置还包括超起变幅油缸，其设置在超起支架 和起重臂之间， 用于使超起支架绕其固定端在起重臂起升平面内旋 转。 这样超起支架就可以筒单地竖立在起重臂上并保持其位置。  The super-lifting device according to the present invention further includes an over-jumping cylinder disposed between the super-lifting bracket and the boom for rotating the super-lifting bracket about its fixed end in the hoisting plane of the jib. This allows the stand to stand upright on the boom and maintain its position.
根据本发明的一个优选的设计方案，至少一个超起支架的数量为 两个。 此外， 在超起支架和起重臂之间均设置有侧张油缸， 用于调整 超起支架在起重臂两侧的撑开角度。 通过这种方式， 这两个超起支架 就可以在起重臂的两侧撑开。超起装置的这种布置方式不仅可以能减 轻起重臂在垂直方向上的变形， 而且也能够有利地阻止起重臂的旁 弯。  According to a preferred embodiment of the invention, the number of at least one super-lifting bracket is two. In addition, a side cylinder is provided between the super-lifting bracket and the boom for adjusting the opening angle of the super-lifting bracket on both sides of the lifting arm. In this way, the two super-lifting brackets can be extended on both sides of the boom. This arrangement of the super-lifting device not only reduces the deformation of the boom in the vertical direction, but also advantageously prevents the bypass of the boom.
优选的是，超起支架可固定在起重臂的除尾节臂之外的任一节臂 上。 这样就可以根据当时的工况任意地设置超起支架的安装位置， 从 而提高超起装置的使用灵活性。  Preferably, the super-lifting bracket can be attached to any of the boom arms other than the tail boom. In this way, the installation position of the super-lifting bracket can be arbitrarily set according to the current working condition, thereby improving the flexibility of use of the super-lifting device.
根据本发明， 第一拉紧机构具有超起卷扬和拉绳， 该超起卷扬设 置在超起支架的活动端上， 拉绳一端连接起重臂， 另一端连接至超起 卷扬， 从而通过超起卷扬来调节拉绳的长度和张紧力。根据本发明的 设计方案， 在起重臂伸出或者缩回时， 卷扬能够放出或者收回拉 绳， 并且在起重臂固定地停留在其工作长度时， 超起卷扬收紧拉绳， 从而调节拉绳的张紧力，达到防止起重臂旁弯和防止起重臂变形的目 的。  According to the present invention, the first tensioning mechanism has an upper hoisting and pulling rope, and the super-lifting hoist is disposed on the movable end of the super-lifting bracket, the one end of the pulling rope is connected to the lifting arm, and the other end is connected to the super-lifting, Thereby, the length and tension of the drawstring are adjusted by the super hoisting. According to the design of the present invention, when the boom is extended or retracted, the hoisting can release or retract the drawstring, and when the jib is fixedly staying at its working length, the hoisting and tightening of the drawstring is performed. Thereby adjusting the tension of the drawstring, the purpose of preventing the boom from bending and preventing the deformation of the boom.
根据本发明的一个设计方案，第二拉紧机构包括绳排以及伸缩油 缸或收紧绞车， 通过伸缩油缸或收紧绞车调节绳排的张紧力和长度， 其中， 绳排一端固定在超起支架的活动端上， 并且另一端通过伸缩油 缸或收紧绞车连接至转台。  According to one embodiment of the invention, the second tensioning mechanism comprises a rope row and a telescopic cylinder or a tightening winch, and the tensioning force and the length of the rope row are adjusted by the telescopic cylinder or the tightening winch, wherein one end of the rope row is fixed at the super-lifting The movable end of the bracket, and the other end is connected to the turntable by a telescopic cylinder or a tightening winch.
可选地， 第二拉紧机构包括拉板和伸缩油缸， 通过伸缩油缸调整 第二拉紧机构的长度，其中，拉板的一端固定在 支架的活动端上， 并且另一端通过伸缩油缸连接至转台。 Optionally, the second tensioning mechanism comprises a pull plate and a telescopic cylinder, and the length of the second tensioning mechanism is adjusted by the telescopic cylinder, wherein one end of the pull plate is fixed on the movable end of the bracket, And the other end is connected to the turntable through a telescopic cylinder.
在本发明的设计方案中， 随着起重臂升降角度的变化， 在 ¾¾支 架的活动端和转台之间的第二拉紧机构的长度也必然发生变化，而通 过应用根据本发明的设计方案中的伸缩油缸或收紧绞车可以筒单地 对第二拉紧机构的长度进行相应的调节， 从而满足对超起支架的支 持， 以达到防止起重臂旁弯和防止起重臂变形的目的。 同时， 由于绳 排或拉板通过伸缩油缸或收紧绞车连接至转台，增大了绳排或拉板与 转台的固定点至起重臂的变幅缸之间的力臂，从而在另一方面又减轻 了起重臂的变幅缸的受力。  In the embodiment of the invention, the length of the second tensioning mechanism between the movable end of the bracket and the turret is also inevitably changed as the lifting angle of the boom changes, by applying the design according to the invention. The telescopic cylinder or the tightening winch can adjust the length of the second tensioning mechanism in a single manner, thereby satisfying the support of the super-lifting bracket, so as to prevent the boom from bending and preventing the deformation of the boom. . At the same time, since the rope row or the pull plate is connected to the turntable through the telescopic cylinder or the tightening winch, the force arm between the fixed point of the rope row or the pull plate and the turntable to the luffing cylinder of the boom is increased, thereby In addition, the force of the luffing cylinder of the boom is reduced.
根据本发明的一个优选的设计方案，第一拉紧机构的一端通过支 架与起重臂连接。该支架进一步提高了根据本发明的超起装置防止起 重臂旁弯和变形的能力。  According to a preferred embodiment of the invention, one end of the first tensioning mechanism is connected to the boom by means of a bracket. The bracket further enhances the ability of the super-lifting device according to the present invention to prevent the boom from bending and deforming.
根据本发明的另一个优选的设计方案，超起支架的长度是可调节 的。 这也就是说， 根据本发明的超起支架可在吊重较大并且起重臂伸 出长度较长时提高其长度， 从而获得更大的力臂， 以避免起重臂旁弯 和变形， 并且超起支架可在运输状态时缩回， 从而在运输上具有更大 的灵活性。  According to another preferred embodiment of the invention, the length of the super-lifting bracket is adjustable. That is to say, the super-lifting bracket according to the present invention can increase the length when the hoisting weight is large and the jib extension length is long, thereby obtaining a larger force arm to avoid the boom bending and deformation. And the super-lifting bracket can be retracted in the transport state, so that it has greater flexibility in transportation.
本发明的另一目的通过一种具有上述类型的超起装置的伸缩臂 起重设备实现。 这种起重设备能够有效的避免起重臂的变形和旁弯， 并且起重设备的起重臂变幅缸也相对受力较小。  Another object of the invention is achieved by a telescopic boom lifting apparatus having a super-lifting device of the type described above. The lifting device can effectively avoid the deformation and side bend of the boom, and the lifting arm of the lifting device is relatively less stressed.
应该理解，以上的一般性描述和以下的详细描述都是列举和说明 性质的， 目的是为了对要求保护的本发明提供进一步的说明。 附图说明  The above general description and the following detailed description of the invention are intended to be illustrative DRAWINGS
附图构成本说明书的一部分， 用于帮助进一步理解本发明。 这些 附图图解了本发明的实施例， 并与说明书一起用来说明本发明的原 理。 在附图中相同的部件用相同的标号表示。 图中示出：  The drawings constitute a part of this specification for the purpose of further understanding of the invention. The drawings illustrate embodiments of the invention and, together with the description The same components are denoted by the same reference numerals in the drawings. The figure shows:
图 1是根据本发明的超起装置的一个实施例的示意图； 图 2是根据图 1 的超起装置的超起支架的另一安装配置的示意 图； 1 is a schematic view of an embodiment of a super-lifting device according to the present invention; FIG. 2 is a schematic view of another mounting configuration of the super-lifting device according to the super-lifting device of FIG. Figure
图 3是根据本发明的超起装置的另一实施例的示意图；  Figure 3 is a schematic illustration of another embodiment of a superlift device in accordance with the present invention;
图 4根据本发明的 ¾¾装置的俯视图；  Figure 4 is a plan view of a 3⁄4⁄4 device according to the present invention;
图 5 是具有长度调节之后的超起支架的根据本发明的超起装置 的示意图；  Figure 5 is a schematic view of a super-lifting device according to the present invention having a super-lifting bracket after length adjustment;
图 6是根据本发明的超起装置的超起卷扬的详细放大图。 具体实施方式  Figure 6 is a detailed enlarged view of the super-lifting of the super-lifting device according to the present invention. detailed description
图 1示出了具有根据本发明的超起装置的起重机 5, 其中， 超起 装置具有超起支架 2, 其通过支架座圈 7可拆卸地固定在起重机 5的 基本臂节 8上。 此外， 超起装置还具有第一拉紧机构 1和第二拉紧机 构 3, 其中， 第一拉紧机构 1的一端连接至超起支架 2的活动端并且 另一端固定至起重臂 6的伸出的最末节臂 10的外端部上。 从图 1中 可见， 第一拉紧机构 1具有拉绳和超起卷扬 14 (在图 6中进一步描 述）， 该超起卷扬 14设置在超起支架 2的活动端上， 拉绳一端连接最 末节臂 10, 另一端连接至超起卷扬 14, 从而通过超起卷扬 14来调节 拉绳的长度和张紧力。  Figure 1 shows a crane 5 having a super-lifting device according to the invention, wherein the super-lifting device has a super-lifting bracket 2 which is detachably fastened to the basic arm section 8 of the crane 5 by means of a bracket race 7. Furthermore, the super-lifting device has a first tensioning mechanism 1 and a second tensioning mechanism 3, wherein one end of the first tensioning mechanism 1 is connected to the movable end of the super-lifting bracket 2 and the other end is fixed to the lifting arm 6 Extending the outer end of the last section arm 10. As can be seen from Figure 1, the first tensioning mechanism 1 has a drawstring and an overhanging hoist 14 (described further in Figure 6) that is disposed on the movable end of the super-lifting bracket 2, one end of the drawstring The last arm 10 is connected, and the other end is connected to the super-lift hoist 14, so that the length and tension of the drawstring are adjusted by the super-lift hoist 14.
在图 1 中可见， 第二拉紧装置 3包括绳排和收紧绞车 17, 其中 绳排的一端固定在超起支架 2的活动端上，并且另一端通过收紧绞车 17连接至转台 4。 这样， 在起重臂 6升降时， 收紧绞车 17就可以收 放绳排， 并且在起重臂 6达到工作位置时拉紧绳排， 从而对超起支架 2进而对第一拉紧装置 1提供支持。 同时， 从图 1中可见， 收紧绞车 17尽量远离于起重臂 6与起重机的转台 4的铰接点布置。 这样就加 大了至该铰接点的力臂，从而使超起装置承担了一部分应由起重臂变 幅油缸 16承载的力，这很大程度上减轻了起重臂变幅油缸 16的受力。  As seen in Fig. 1, the second tensioning device 3 comprises a rope row and a tightening winch 17, wherein one end of the rope row is fixed to the movable end of the super-lifting bracket 2, and the other end is connected to the turntable 4 by the tightening winch 17. Thus, when the boom 6 is lifted and lowered, the winch 17 can be tightened to retract the rope row, and the rope row is tightened when the boom 6 reaches the working position, thereby the super-lifting bracket 2 and thus the first tensioning device 1 provide support. At the same time, it can be seen from Fig. 1 that the tightening winch 17 is placed as far as possible from the hinge point of the boom 6 and the turntable 4 of the crane. This increases the force arm to the hinge point, so that the super-lifting device assumes a portion of the force that should be carried by the boom luffing cylinder 16, which greatly reduces the acceptance of the boom luffing cylinder 16. force.
图 2示出了根据图 1的超起装置的超起支架 2的另一安装位置的 示意图。图 2中的实施例与图 1的唯一区别在于¾¾支架 2的安装位 置。 在图 2的实施例中， 超起支架 2并未如图 1中那样设置在基本臂 节 8上， 而是设置在起重臂 6的中间臂节上。 也就是说， 根据本发明 的设计方案的超起装置的超起支架 2可以设置在除了最末节臂 10之 外的任一臂节上。 Fig. 2 shows a schematic view of another mounting position of the super-lifting bracket 2 according to the super-lifting device of Fig. 1. The only difference between the embodiment of Figure 2 and Figure 1 is the mounting position of the bracket 2. In the embodiment of Fig. 2, the super-lifting bracket 2 is not disposed on the basic arm as in Fig. 1. On the section 8, it is placed on the middle arm section of the boom 6. That is to say, the super-lifting bracket 2 of the super-lifting device according to the design of the present invention can be disposed on any one of the arm sections except the last-end arm 10.
图 3示出了根据本发明的 ¾¾装置的另一实施例的示意图。 图 3 中的实施例与图 1的实施例的区别在于第二拉紧装置 3。 在图 3的实 施例中使用伸缩油缸 9代替了收紧绞车 17。 通过该伸缩油缸 9来调 节绳排的长度和张紧力。  Figure 3 shows a schematic view of another embodiment of a 3⁄4⁄4 device in accordance with the present invention. The embodiment of Figure 3 differs from the embodiment of Figure 1 in the second tensioning device 3. In the embodiment of Fig. 3, a telescopic cylinder 9 is used instead of the tightening winch 17. The length and tension of the string are adjusted by the telescopic cylinder 9.
在本发明的一个未示出的实施例中， 可以通过拉板代替绳排， 并 且通过伸缩油缸代替收紧绞车。它们所起的作用于绳排和收紧绞车相 同， 因此在此不再进一步描述。  In an unillustrated embodiment of the invention, the string can be replaced by a pull plate and the winch can be replaced by a telescopic cylinder. They act on the rope row and tighten the winch and are therefore not further described here.
图 4示出了根据本发明的 ¾¾装置的俯视图。从图中可见， 超起 装置具有两个超起支架 2, 这两个超起支架固定在基本臂节 8上， 并 且通过两个超起变幅油缸 12 (参见图 1 )在起重臂 6上竖起。 同时这 两个超起支架 2又通过设置在起重臂 6和超起支架 2之间的侧张油缸 13向起重臂 6的两侧张开一定的角度。 同时， 从图 4中还可以看到 第一拉紧机构 1的一端通过支架 11固定在最末节臂 10的外端，并且 另一端连接在超起支架 2的活动端上。第二拉紧机构 3的一端固定在 超起支架 2的活动端上， 并且另一端通过收紧绞车 17固定在起重机 5的转台 4上。  Figure 4 shows a top view of a 3⁄4⁄4 device in accordance with the present invention. As can be seen from the figure, the super-lifting device has two super-lifting brackets 2, which are fixed on the basic arm section 8, and are passed through the two super-incrementing cylinders 12 (see Fig. 1) on the boom 6 Stand up on it. At the same time, the two super-lifting brackets 2 are opened to a certain angle to both sides of the boom 6 through the side cylinders 13 disposed between the boom 6 and the super-lifting bracket 2. Meanwhile, it is also seen from Fig. 4 that one end of the first tensioning mechanism 1 is fixed to the outer end of the last arm 10 through the bracket 11, and the other end is attached to the movable end of the super-lifting bracket 2. One end of the second tensioning mechanism 3 is fixed to the movable end of the super-lifting bracket 2, and the other end is fixed to the turntable 4 of the crane 5 by the tightening winch 17.
图 5示出了具有长度调节之后的 支架 2的根据本发明的¾¾ 装置的示意图。 在图 5中的 支架 2的长度是可调节的。 在本实施 例中，该超起支架 2的长度被加长，这样就加长了超起支架 2的力臂， 从而更好地避免了起重臂的旁弯和变形。  Figure 5 shows a schematic view of a 3⁄4⁄4 device according to the invention with a bracket 2 after length adjustment. The length of the bracket 2 in Figure 5 is adjustable. In the present embodiment, the length of the super-lifting bracket 2 is lengthened, so that the arm of the super-lifting bracket 2 is lengthened, thereby further avoiding the side bend and deformation of the boom.
图 6详细地示出了设置在超起支架 2的活动端上的超起卷扬 14, 在该超起卷扬上设置有卷扬锁定栓 15。 在超起卷扬 14收紧拉绳时， 卷扬锁定栓 15会逐段地卡入到超起卷扬 14的齿轮状转轮 18的齿槽 中， 从而阻止 卷扬 14在相反的方向上旋转。  Fig. 6 shows in detail the super-lifting hoisting 14 provided on the movable end of the super-lifting bracket 2, on which the hoisting locking bolt 15 is provided. When the hoisting 14 tightens the drawstring, the hoisting locking bolt 15 is snapped into the gullet of the gear-like runner 18 of the hoisting hoist 14 one by one, thereby preventing the hoisting 14 from being in the opposite direction. Rotate.
以上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 above are only the preferred embodiments of the present invention, and are not intended to limit the present invention, and various modifications and changes can be made to the present invention. Where in the present invention Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

权利要求 Rights request
1.一种用于起重设备的超起装置， 所述超起装置包括： A super-lifting device for a lifting device, the super-lifting device comprising:
至少一个超起支架（2), 其固定端与所述起重设备的起重臂（6) 铰接；  At least one overhanging bracket (2) having a fixed end hinged to the lifting arm (6) of the lifting device;
第一拉紧机构 （1 ), 其一端连接至所述超起支架（2) 的活动端 并且另一端固定至所述起重臂（6) 的头部端； 以及  a first tensioning mechanism (1) having one end connected to the movable end of the super-lifting bracket (2) and the other end fixed to the head end of the lifting arm (6);
第二拉紧机构（3), 其一端连接至所述超起支架（2)的活动端， 其特征在于， 所述第二拉紧机构 （3) 的另一端连接在所述起重 设备的转台 （4)上。  a second tensioning mechanism (3), one end of which is connected to the movable end of the super-lifting bracket (2), characterized in that the other end of the second tensioning mechanism (3) is connected to the lifting device On the turntable (4).
2.根据权利要求 1所述的超起装置， 其特征在于， 还包括超起变 幅油缸（12), 设置在所述超起支架 (2)和所述起重臂（6)之间， 用于使所述 支架（2) 绕所述固定端在起重臂起升平面内旋转。  The super-lifting device according to claim 1, further comprising an over-jumping cylinder (12) disposed between the super-lifting bracket (2) and the lifting arm (6), For rotating the bracket (2) about the fixed end in a lifting plane of the boom.
3.根据权利要求 1或 2所述的超起装置， 其特征在于， 所述至少 一个超起支架（2) 的数量为两个。  The super-lifting device according to claim 1 or 2, characterized in that the number of the at least one super-lifting brackets (2) is two.
4.根据权利要求 3所述的超起装置， 其特征在于， 在每个所述超 起支架（2)和所述起重臂（6)之间均设置有侧张油缸（13), 用于 调整所述超起支架（2)在所述起重臂（6) 两侧的撑开角度。  The super-lifting device according to claim 3, characterized in that a side tension cylinder (13) is provided between each of the super-lifting brackets (2) and the lifting arm (6), Adjusting the opening angle of the super-lifting bracket (2) on both sides of the lifting arm (6).
5.根据权利要求 1或 2所述的超起装置， 其特征在于， 所述超起 支架（2)可固定在所述起重臂（6)的除尾节臂（ 10)之外的任一节 臂上。  The super-lifting device according to claim 1 or 2, wherein the super-lifting bracket (2) is fixable to any of the boom (6) except the tail boom (10) On one arm.
6.根据权利要求 1或 2所述的超起装置， 其特征在于， 所述第一 拉紧机构 （ 1 )具有超起卷扬 ( 14)和拉绳， 所述超起卷扬 （ 14)设 置在所述超起支架（2) 的活动端上， 所述拉绳一端连接所述起重臂 The super-lifting device according to claim 1 or 2, wherein the first tensioning mechanism (1) has an over-winding (14) and a drawstring, and the super-lifting (14) Provided on the movable end of the super-lifting bracket (2), the one end of the pulling rope is connected to the lifting arm
( 6 ),另一端连接至所述超起卷扬 ( 14 ),从而通过所述超起卷扬 ( 14 ) 来调节所述拉绳的长度和张紧力。 (6), the other end is connected to the super-lifting (14), thereby adjusting the length and tension of the drawstring by the super-lifting (14).
7.根据权利要求 1或 2所述的超起装置， 其特征在于， 所述第二 拉紧机构 （3) 包括绳排以及伸缩油缸（9)或收紧绞车 （17), 通过 所述伸缩油缸（9)或收紧绞车（ 17)调节所述绳排的张紧力和长度。 The super-lifting device according to claim 1 or 2, wherein the second tensioning mechanism (3) comprises a rope row and a telescopic cylinder (9) or a tightening winch (17) through which the expansion and contraction A cylinder (9) or a tightening winch (17) adjusts the tension and length of the string.
8.根据权利要求 7所述的超起装置， 其特征在于， 所述绳排的一 端固定在超起支架（2) 的活动端上， 并且另一端通过所述伸缩油缸The super-lifting device according to claim 7, wherein one end of the string is fixed to the movable end of the super-lifting bracket (2), and the other end passes through the telescopic cylinder
(9)或收紧绞车 （17)连接至所述转台 （4)。 (9) or tightening the winch (17) is connected to the turntable (4).
9.根据权利要求 1或 2所述的超起装置， 其特征在于， 所述第二 拉紧机构 ( 3 ) 包括拉板和伸缩油缸（ 9 ), 通过所述伸缩油缸（ 9 )调 整所述第二拉紧机构 (3) 的长度。  The super-lifting device according to claim 1 or 2, wherein the second tensioning mechanism (3) comprises a pull plate and a telescopic cylinder (9), and the telescopic cylinder (9) adjusts the The length of the second tensioning mechanism (3).
10. 根据权利要求 9所述的超起装置， 其特征在于， 所述拉板 的一端固定在超起支架（2) 的活动端上， 并且另一端通过所述伸缩 油缸（9)连接至所述转台 （4)。  10. The super-lifting device according to claim 9, wherein one end of the pull plate is fixed on the movable end of the super-lifting bracket (2), and the other end is connected to the movable body through the telescopic cylinder (9) Turntable (4).
11. 根据权利要求 1或 2所述的超起装置， 其特征在于， 所述 第一拉紧机构（ 1 )的所述一端通过支架（ 11 )与所述起重臂（ 6 )连 接。  The super-lifting device according to claim 1 or 2, characterized in that the one end of the first tensioning mechanism (1) is connected to the lifting arm (6) via a bracket (11).
12. 根据权利要求 1或 2所述的超起装置， 其特征在于， 所述 支架（2) 的长度是可调节的。  12. The super-lifting device according to claim 1 or 2, characterized in that the length of the bracket (2) is adjustable.
13. 一种具有根据权利要求 1至 12中任一项所述的超起装置的 伸缩臂起重设备。  A telescopic boom lifting apparatus having the super-lifting device according to any one of claims 1 to 12.
PCT/CN2011/076411 2010-07-05 2011-06-27 Super lift device and telescope arm lift device with the same WO2012003767A1 (en)

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