WO2012159512A1 - 一种插销式伸缩臂及伸缩臂起重机 - Google Patents

一种插销式伸缩臂及伸缩臂起重机 Download PDF

Info

Publication number
WO2012159512A1
WO2012159512A1 PCT/CN2012/074204 CN2012074204W WO2012159512A1 WO 2012159512 A1 WO2012159512 A1 WO 2012159512A1 CN 2012074204 W CN2012074204 W CN 2012074204W WO 2012159512 A1 WO2012159512 A1 WO 2012159512A1
Authority
WO
WIPO (PCT)
Prior art keywords
cylinder
pin
telescopic
arm
disposed
Prior art date
Application number
PCT/CN2012/074204
Other languages
English (en)
French (fr)
Inventor
任利有
彭睿
李建
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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 WO2012159512A1 publication Critical patent/WO2012159512A1/zh

Links

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
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/708—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic locking devices for telescopic jibs

Definitions

  • the invention relates to a Chinese patent application filed on May 25, 2011 by the Chinese Patent Office, the application number is 201110137362.1, and the invention name is "a bolt type telescopic arm and a telescopic crane". Priority is hereby incorporated by reference in its entirety.
  • the present invention relates generally to the field of construction machinery, and more particularly to a bolt type telescopic boom and a telescopic boom crane including the bolt type telescopic arm.
  • the multi-stage telescopic cylinder makes the section of each telescopic arm change greatly, and also increases the weight of the boom. It not only limits the number of telescopic arms (generally no more than five sections), but also reduces the work efficiency and thus significantly reduces The lifting performance of the telescopic crane.
  • arm pins between the adjacent telescopic arms and between the basic arm (the boom directly connected to the crane on the crane) and the first telescopic arm are provided arm pins, between the adjacent telescopic arms and the basic arm and The relative position between the first section telescopic arms can be selectively locked or released by the arm pins.
  • the telescopic cylinder can be first locked with the last telescopic arm, and at the same time, the telescopic boom and the penultimate telescopic arm are released. At this time, the telescopic cylinder can take out the telescopic boom; the telescopic boom reaches the predetermined position and then The penultimate section telescopic arm is re-locked, the telescopic cylinder is retracted and locked with the second section telescopic arm, and then the penultimate section telescopic arm is unlocked from the penultimate section telescopic arm, and the telescopic cylinder can be The second section telescopic arm is taken out, and so on, the section telescopic arms can be extended in sequence.
  • the above single-cylinder pin type telescopic arm uses a pin instead of a wire rope to pull the boom, breaking through the existing
  • the crane design limits the number of telescopic booms, which increases the crane's lifting height and lifting weight, which in turn significantly improves the overall performance of the crane and enhances the market competitiveness of the product. Therefore, the above single cylinder plug telescopic arm will be an inevitable trend in the development of crane products.
  • the invention provides a bolt type telescopic arm and a telescopic crane, which provides a brand new bolt type telescopic arm, which can cylindricalize the cylinder head structure of the telescopic cylinder, thereby enabling the barrel processing process.
  • a latch type telescopic arm includes a basic arm and at least one telescopic arm disposed in the basic arm, wherein a telescopic cylinder is disposed in a cavity of the telescopic arm, and a movable end of the telescopic cylinder is selectable through a cylinder pin The ground is locked with any one of the telescopic arms;
  • the cylinder pins are symmetrically disposed on opposite sides of the cylinder head of the telescopic cylinder and are slidable in the same direction along the side of the telescopic cylinder by a sliding device.
  • the sliding device is a guide groove or a guide rail.
  • the cylinder pin is disposed on an upper side and a lower side of the cylinder head of the telescopic cylinder, and is horizontally slidable along the upper side and the lower side of the telescopic cylinder.
  • the cylinder pin is disposed on a left side surface and a right side surface of the cylinder head of the telescopic cylinder, and is vertically slidable in the same direction along a left side surface and a right side surface of the telescopic cylinder.
  • the cylinder pin is connected to a cylinder barrel of the cylinder pin cylinder, and the rod dry structure of the cylinder pin cylinder is fixed to the cylinder head of the telescopic cylinder by a fixing bracket.
  • a return spring is disposed between the cylinder pin and the fixing bracket and is disposed on the cylinder.
  • the upper part of the cylinder head of the telescopic cylinder is further provided with an inverted T-shaped sliding groove, and the sliding groove is fitted with an interlocking slider that can slide left and right, and the interlocking slider passes through the interlocking link and The cylinder pin is connected, and the interlocking link drives the interlocking slider to slide left and right in the sliding slot when the cylinder pin slides up and down;
  • An arm pin cylinder is further disposed on the cylinder head of the telescopic cylinder, and the arm pin cylinder is connected to a pin-out card slot disposed above the chute, and the pin-out card slot disposed above the chute is The arm pin is inserted and removed by the action of the arm pin cylinder.
  • the bottom of the interlocking slider is disposed as a T-shaped bottom for sliding in the sliding slot, and the interlocking slider is provided with a non-horizontal groove on a side of the cylinder pin cylinder a cylindrical structure disposed in the groove and slidable along the groove is coupled to the interlocking link.
  • a telescopic boom crane comprising a bolt telescopic arm as previously described.
  • the technical solution of the present invention provides a brand-new bolt-type telescopic arm capable of barreling the cylinder head structure of the telescopic cylinder, thereby enabling the barrel processing process; further, the invention adopts the lower-inserted cylinder pin instead of the prior art disposed in the telescopic cylinder
  • the cylinder pins on both sides of the cylinder head have a larger space for the cylinder bore of the telescopic cylinder; in addition, the cylinder pin, the arm pin and the interlocking slider are arranged to avoid the simultaneous retraction of the cylinder pin and the arm pin. This makes it possible to achieve mechanical interlocking.
  • FIG. 1 is a schematic structural view of a pin type telescopic arm (when a cylinder pin is extended);
  • FIG. 2 is a schematic structural view of a pin type telescopic arm (when a cylinder pin is retracted);
  • FIG. 3 is a telescopic cylinder Schematic diagram of the installation position of the main arm.
  • the latch telescopic arm in a first embodiment of a latch telescopic arm of the present invention, includes a base arm and at least one telescopic arm that is nested in the base arm. Between the respective telescopic arms and between the basic arm and the first telescopic arm, the arm pin 12 can be locked; the telescopic cylinder 3 is provided with a telescopic cylinder 3, and the fixed end of the telescopic cylinder 3 Fixed to the basic arm, the movable end of the telescopic cylinder 3 is selectively locked with any one of the telescopic arms through the cylinder pin 6; the cylinder pin 6 is symmetrically disposed on the cylinder head 10 of the telescopic cylinder 3 The opposite sides are slidable in the same direction along the side of the telescopic cylinder 3 by a sliding device.
  • the technical solution of the present invention provides a brand new bolt type telescopic arm, wherein the pin type telescopic cylinder red pin is relatively sliding, that is, two red pins move inward or simultaneously outward, but in the present invention, two The cylinder pins are slid in the same direction, that is, the movement directions of the two cylinder pins are the same.
  • the cylinder head structure of the telescopic cylinder can be cylindricalized, so that the machining process can be performed.
  • the sliding device is preferably a guide groove 11 or a guide rail.
  • the sliding device can also select other structures, which are not limited in the present invention.
  • the side of the cylinder head 10 of the telescopic cylinder 3 is provided with a guide groove 11 for sliding the cylinder pin 6, and the cylinder pin 6 is disposed in the guide groove 11.
  • the cylinder pin 6 is disposed on the upper side and the lower side of the cylinder head 10 of the telescopic cylinder 3, and is horizontally slidable along the upper side and the lower side of the telescopic cylinder 3 .
  • the cylinder pin 6 is disposed on the left side surface and the right side surface of the cylinder head 10 of the telescopic cylinder 3, and is along the left side and the right side of the telescopic cylinder 3 The surface slides vertically in the same direction.
  • the pin type telescopic arm uses two down-cylinder cylinder pins, so that the cylinder diameter of the telescopic cylinder has a larger growth space.
  • the cylinder pin 6 disposed in the guide groove 11 is coupled to the cylinder barrel of the cylinder pin cylinder 5, and the lever structure of the cylinder pin cylinder 5 is fixed to the cylinder bracket 5 by the fixing bracket 4.
  • the cylinder head 10 of the telescopic cylinder 3 is on the cylinder head 10.
  • the basic arm is a non-retractable boom that is connected to the crane body.
  • the number of the telescopic arms is not limited by the present invention, and may be set according to actual needs and actual conditions.
  • the basic arm and each of the telescopic arms should have the same shape, and of course, may be inconsistent.
  • the basic arm is rectangular, and the telescopic arm is circular or other shape.
  • the preferred embodiment of the present invention is that the basic arm and each of the telescopic arms have the same shape.
  • the lengths of the telescopic arms of each section are inconsistent, the diameter of the basic arm is the largest, the telescopic arm with the largest diameter is the first telescopic arm, and so on, and the telescopic arm with the smallest diameter is the telescopic arm of the last section.
  • An arm pin 12 is disposed between each of the adjacent telescopic arms and between the basic arm and the first telescopic arm, and a relative position between the adjacent telescopic arms and between the basic arm and the first telescopic arm can pass through the arm
  • the pin 12 is selectively locked or released, and the telescopic cylinder 3 can be first locked with the distal telescopic arm while releasing the distal telescopic arm and the penultimate telescopic arm, at which time the telescopic cylinder 3 can carry the telescopic arm out ; the end section telescopic arm reaches the predetermined position and is heavier with the penultimate section telescopic arm Newly locked, the telescopic cylinder 3 is retracted and locked with the second section telescopic arm, and then the penultimate section telescopic arm is unlocked with the penultimate section telescopic arm, at which time the telescopic cylinder 3 can be used for the second section
  • the telescopic arms are
  • a return spring 7 is disposed between the cylinder pin 6 and the fixed bracket 4 and is disposed on the cylinder.
  • the upper portion of the cylinder head 10 of the telescopic cylinder 3 is also provided with a pouring
  • the chute is fitted with an interlocking slider 9 that can slide left and right, and the interlocking slider 9 is connected to the cylinder pin 6 through an interlocking link 8, the interlocking connection
  • the rod 8 drives the interlocking slider 9 to slide left and right in the sliding slot
  • the cylinder head 10 of the telescopic cylinder 3 is further provided with an arm pin cylinder 1 , the arm pin The cylinder 1 is connected to a pinch card slot 2 disposed above the chute, and the pin card slot 2 disposed above the chute is inserted and removed by the arm pin cylinder 1 .
  • the bottom of the interlocking slider 9 is disposed as a T-shaped bottom for sliding in the sliding slot, and the interlocking slider 9 is disposed on a side of the cylinder pin cylinder 5 with a non-horizontal A groove, a cylindrical structure disposed in the groove slidable along the groove, is coupled to the interlocking link 8.
  • the non-horizontal groove is a groove having a low outer side and a high inner side (as shown in FIG. 1 and FIG. 2).
  • the non-horizontal groove may also be high on the outer side and low on the inner side.
  • the groove is only arranged such that the sliding direction of the interlocking slider 9 is reversed.
  • the two cylinder pins 6 are respectively disposed in the two guide grooves 11 on both sides of the cylinder head 10 of the telescopic cylinder 3, and in the drawings shown in Figs. 1 and 2, only the side faces are shown.
  • the structure is actually provided on the side of the back side of the telescopic cylinder 3 cylinder head 10 on the same side as the side facing side, that is, both sides of the cylinder head 10 of the telescopic cylinder 3 are provided with the cylinder pin 6 a guide groove 11 that slides up and down, two cylinder pins 6 disposed in the two guide grooves 11 are connected to the cylinder barrel of the cylinder pin cylinder 5, and the dry structure of the two cylinder pin cylinders 5 are fixed by the fixing bracket 4
  • the cylinder head 10 of the telescopic cylinder 3 is on the cylinder head 10.
  • the pin-out card slot 2 is moved downward by the arm pin cylinder 1, and is in contact with the tail end of the arm pin 12 installed at the arm end of the main arm (basic arm or telescopic arm), thereby driving the arm pin 12 to move downward, thereby realizing the arm pull-out Pin 12 action.
  • the cylinder pin cylinder 5 is retracted under the action of the oil pressure, and the cylinder pin 6 connected thereto is pulled upward to move along the guide groove 11, and the action of the cylinder pin 6 is completed, and the return spring 7 is compressed.
  • the technical solution of the present invention provides a brand-new bolt-type telescopic arm capable of barreling the cylinder head structure of the telescopic cylinder, thereby enabling the barrel processing process; further, the invention adopts the lower-inserted cylinder pin instead of the prior art disposed in the telescopic cylinder
  • the cylinder pins on both sides of the cylinder head have a larger space for the cylinder bore of the telescopic cylinder; in addition, the cylinder pin, the arm pin and the interlocking slider are arranged to avoid the simultaneous retraction of the cylinder pin and the arm pin. Thereby mechanical interlocking can be achieved.
  • the present invention also discloses a telescopic boom crane, which can include the bolt type telescopic arm as described in the previous embodiments.
  • the plug type is no longer used here.
  • the telescopic arm refer to the description of the relevant section above (

Landscapes

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

Abstract

一种插销式伸缩臂，其包括基本臂以及套装于基本臂中的至少一节伸缩臂，伸缩臂的内腔中设置有伸缩油缸（3），伸缩油缸（3）的活动端通过缸销（6）可选择地与任意一节伸缩臂锁定；缸销（6）对称设置于伸缩油缸（3）的缸头（10）两个相对的侧面并可通过滑动装置沿伸缩油缸（3）的侧面同向滑动。还公开了一种包括该插销式伸缩臂的伸缩臂起重机。该插销式伸缩臂能够简化伸缩油缸的缸头结构，从而能够简化加工工艺。

Description

一种插销式伸缩臂及伸缩臂起重机 本申请要求于 2011 年 05 月 25 日提交中国专利局、 申请号为 201110137362.1、 发明名称为"一种插销式伸缩臂及伸缩臂起重机"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
本发明主要涉及工程机械技术领域， 特别是指一种插销式伸缩臂及包 括所述插销式伸缩臂的伸缩臂起重机。
背景技术
随着我国经济建设的快速发展， 施工现场对于大 p屯位起重机的需求曰 益增大； 大型化是各种起重机的重要设计目标。 对于伸缩臂起重机而言， 其伸缩臂的性能至关重要， 直接影响着起重机整体的起重性能。
现有的伸缩臂大多采用一级或二级伸缩油缸加绳排技术， 个别大 p屯位 起重机采用三级伸缩油缸加绳排技术。 多级伸缩油缸使得各节伸缩臂的截 面变化较大， 同时也增加了起重臂的重量， 不但限制了伸缩臂的节数（一 般不超过五节）， 而且降低了作业效率，进而显著降低了伸缩臂起重机的起 重性能。
近年来出现了一种单缸插销式伸缩臂，这种伸缩臂只有一个伸缩油缸， 且该伸缩油缸的两侧相对应地设有两个缸销， 该两个缸销的中心轴与所述 伸缩油缸的中心轴共面； 所述伸缩油缸可以通过上述缸销可选择地锁定或 者释放其与任一节伸缩臂的相对位置。 此外， 相邻的各伸缩臂之间以及基 本臂（直接与起重机上车枢接的吊臂） 与第一节伸缩臂之间均设有臂销， 相邻的伸缩臂之间以及基本臂与第一节伸缩臂之间的相对位置能够通过该 臂销可选择地锁定或者释放。
所述伸缩油缸可以首先与末节伸缩臂锁定， 同时将末节伸缩臂与倒数 第二节伸缩臂释放， 此时所述伸缩油缸可以将末节伸缩臂带出； 末节伸缩 臂到达预定位置后将其与倒数第二节伸缩臂重新锁定， 收回所述伸缩油缸 并将其与第二节伸缩臂锁定， 接着将倒数第二节伸缩臂与倒数第三节伸缩 臂解锁， 此时所述伸缩油缸就可以将第二节伸缩臂带出， 依此类推就可以 使各节伸缩臂依次伸出。
上述单缸插销式伸缩臂采用插销代替钢丝绳拉动起重臂， 突破了现有 的起重机设计中伸缩臂节数的限制， 从而增加了起重机的起升高度和起重 重量， 进而显著提高了起重机的整机性能、 增强了产品的市场竟争力。 因 此上述单缸插销式伸缩臂将是起重机产品发展的必然趋势。
然而， 现有技术中的插销式伸缩臂存在缸头结构复杂、 缸头加工复杂 等缺点。
发明内容
本发明提出一种插销式伸缩臂及伸缩臂起重机， 提供一种全新的插销 式伸缩臂， 能够筒化伸缩油缸的缸头结构， 从而能够筒化加工工艺。
本发明的技术方案是这样实现的：
一种插销式伸缩臂， 包括基本臂以及套装于所述基本臂中的至少一节 伸缩臂， 所述伸缩臂的内腔中设置有伸缩油缸， 所述伸缩油缸的活动端通 过缸销可选择地与任意一节伸缩臂锁定；
所述缸销对称设置于所述伸缩油缸缸头两个相对的侧面并可通过滑动 装置沿所述伸缩油缸的侧面同向滑动。
优选的， 所述滑动装置为导槽或导轨。
优选的， 所述缸销设置于所述伸缩油缸缸头的上侧面和下侧面， 并可 沿所述伸缩油缸的上侧面和下侧面同向水平滑动。
优选的， 所述缸销设置于所述伸缩油缸缸头的左侧面和右侧面， 并可 沿所述伸缩油缸的左侧面和右侧面同向垂直滑动。
优选的， 所述缸销与缸销油缸的缸筒连接， 所述缸销油缸的杠 ^干结构 通过固定支架固定于所述伸缩油缸的缸头上。
优选的， 所述缸销与所述固定支架之间还设置有套装于所述缸筒上的 复位弹簧。
优选的， 所述伸缩油缸缸头的上部还设置有倒 T字形的滑槽， 所述滑 槽中配合安装有可左右滑动的互锁滑块， 所述互锁滑块通过互锁连杆与所 述缸销连接， 所述互锁连杆在所述缸销上下滑动时带动所述互锁滑块在所 述滑槽中左右滑动；
所述伸缩油缸的缸头上还设置有臂销油缸， 所述臂销油缸连接一设置 于所述滑槽上方的拔销卡槽， 设置于所述滑槽上方的拔销卡槽在所述臂销 油缸的作用下插拔所述臂销。 优选的， 所述互锁滑块的底部设置为用于在所述滑槽中滑动的 T字形 底部，所述互锁滑块靠近所述缸销油缸的一个侧面上设置有非水平的凹槽， 设置于所述凹槽中可沿所述凹槽滑动的圓柱结构与所述互锁连杆连接。
一种伸缩臂起重机，所述伸缩臂起重机包括如前所述的插销式伸缩臂。 本发明技术方案提供一种全新的插销式伸缩臂， 能够筒化伸缩油缸的缸 头结构， 从而能够筒化加工工艺； 进一步， 本发明采用下插式缸销取代现 有技术中设置在伸缩油缸缸头两侧的缸销， 使伸缩油缸的缸径有更大的增 长空间； 另外， 通过本发明缸销、 臂销以及互锁滑块的设置， 避免了缸销 和臂销的同时缩回， 从而能够 4艮好的实现机械互锁。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案， 下面将对 实施例或现有技术描述中所需要使用的附图作筒单地介绍， 显而易见地， 下面描述中的附图仅仅是本发明的一些实施例， 对于本领域普通技术人员 来讲， 在不付出创造性劳动性的前提下， 还可以根据这些附图获得其他的 附图。
图 1为本发明一种插销式伸缩臂（缸销伸出时） 的结构示意图； 图 2为本发明一种插销式伸缩臂（缸销缩回时） 的结构示意图； 图 3为伸缩油缸在主臂的安装位置示意图。
具体实施方式
下面将结合本发明实施例中的附图， 对本发明实施例中的技术方案进 行清楚、 完整地描述， 显然， 所描述的实施例仅仅是本发明一部分实施例， 而不是全部的实施例。 基于本发明中的实施例， 本领域普通技术人员在没 有作出创造性劳动前提下所获得的所有其他实施例， 都属于本发明保护的 范围。
参照图 1、 图 2及图 3 , 在本发明一种插销式伸缩臂的第一实施例中， 所述插销式伸缩臂包括基本臂以及套装于所述基本臂中的至少一节伸缩 臂， 所述各节伸缩臂之间以及所述基本臂和第一节伸缩臂之间可通过臂销 12锁定； 所述伸缩臂的内腔中设置有伸缩油缸 3 , 所述伸缩油缸 3的固定 端固定于所述基本臂上， 所述伸缩油缸 3的活动端通过缸销 6可选择地与 任意一节伸缩臂锁定；所述缸销 6对称设置于所述伸缩油缸 3缸头 10两个 相对的侧面并可通过滑动装置沿所述伸缩油缸 3的侧面同向滑动。
本发明技术方案提供一种全新的插销式伸缩臂， 所述插销式伸缩中缸 紅销是相对滑动， 即两个紅销同时向内运动或同时向外运动， 而在本发明 中， 两个缸销是同向滑动， 即两个缸销的运动方向是相同的， 通过这样的 设计， 能够筒化伸缩油缸的缸头结构， 从而能够筒化加工工艺。
其中， 所述滑动装置优选为导槽 11或导轨， 当然， 所述滑动装置还可 以选择其它的结构， 本发明对此不进行任何的限定。 在本发明的一个优选 实施例中，所述伸缩油缸 3缸头 10的侧面设置有供所述缸销 6滑动的导槽 11 , 所述缸销 6设置于所述导槽 11中。 在本发明的一个优选实施例中， 所 述缸销 6设置于所述伸缩油缸 3缸头 10的上侧面和下侧面，并可沿所述伸 缩油缸 3的上侧面和下侧面同向水平滑动。
在本发明的另一个优选实施例中， 所述缸销 6设置于所述伸缩油缸 3 缸头 10的左侧面和右侧面，并可沿所述伸缩油缸 3的左侧面和右侧面同向 垂直滑动。 在本实用例中， 所述插销式伸缩臂采用两个下插式缸销， 从而 使伸缩油缸的缸径有更大的增长空间。
在本发明的另一个优选实施例中， 设置于所述导槽 11中的所述缸销 6 与缸销油缸 5的缸筒连接， 所述缸销油缸 5的杠杆结构通过固定支架 4固 定于所述伸缩油缸 3的缸头 10上。
所述基本臂是指与起重机本体连接的不可伸缩的臂架， 对于伸缩臂的 数目， 本发明对此不进行限定， 可以根据实际需求和实际情况设置。 所述 基本臂和各节伸缩臂的形状应该一致， 当然也可以不一致， 如基本臂为矩 形， 伸缩臂为圓形或其它形状， 本发明优选的是基本臂和各节伸缩臂的形 状一致， 其中各节伸缩臂的大小不一致， 基本臂的直径最大， 直径最大的 伸缩臂为第一节伸缩臂， 依次类推， 直径最小的伸缩臂为末节伸缩臂。
相邻的各伸缩臂之间以及基本臂与第一节伸缩臂之间均设有臂销 12, 相邻的伸缩臂之间以及基本臂与第一节伸缩臂之间的相对位置能够通过臂 销 12可选择地锁定或者释放,所述伸缩油缸 3可以首先与末节伸缩臂锁定， 同时将末节伸缩臂与倒数第二节伸缩臂释放， 此时所述伸缩油缸 3可以将 末节伸缩臂带出； 末节伸缩臂到达预定位置后将其与倒数第二节伸缩臂重 新锁定， 收回所述伸缩油缸 3并将其与第二节伸缩臂锁定， 接着将倒数第 二节伸缩臂与倒数第三节伸缩臂解锁， 此时所述伸缩油缸 3就可以将第二 节伸缩臂带出， 依此类推就可以使各节伸缩臂依次伸出。
进一步， 所述缸销 6与所述固定支架 4之间还设置有套装于所述缸筒 上的复位弹簧 7。
收缸销 6时， 缸销油缸 5在油压力作用下缩回， 拉动与之连接的缸销 6沿所述导槽 11向上运动， 完成收缸销 6动作， 所述复位弹簧 7被压缩。
伸缸销 6时，缸销油缸 5卸油后，被压缩的所述复位弹簧 7复位伸长， 推动缸销 6沿所述导槽 11向下运动， 完成伸缸销 6动作。
在本发明的另一实施例中，所述伸缩油缸 3缸头 10的上部还设置有倒
T字形的滑槽， 所述滑槽中配合安装有可左右滑动的互锁滑块 9, 所述互 锁滑块 9通过互锁连杆 8与所述缸销 6连接， 所述互锁连杆 8在所述缸销 6上下滑动时带动所述互锁滑块 9在所述滑槽中左右滑动；所述伸缩油缸 3 的缸头 10上还设置有臂销油缸 1 , 所述臂销油缸 1连接一设置于所述滑槽 上方的拔销卡槽 2, 设置于所述滑槽上方的拔销卡槽 2在所述臂销油缸 1 的作用下插拔所述臂销 12。
其中， 所述互锁滑块 9的底部设置为用于在所述滑槽中滑动的 T字形 底部， 所述互锁滑块 9靠近所述缸销油缸 5的一个侧面上设置有非水平的 凹槽， 设置于所述凹槽中可沿所述凹槽滑动的圓柱结构与所述互锁连杆 8 连接。
在本发明的一个实施例中， 所述非水平的 槽为外侧低， 内侧高的 槽（如图 1、 图 2所示）， 当然， 所述非水平的 槽也可以为外侧高， 内侧 低的凹槽， 只是这样设置时互锁滑块 9的滑动方向是相反的。
需要说明的是，两个缸销 6分别设置于所述伸缩油缸 3缸头 10的两侧 面的两个导槽 11中， 在图 1、 图 2所述图中， 均只示出了面向侧的结构， 其实在伸缩油缸 3缸头 10背向侧的侧面上也设置有与面向侧相同的结构， 也即所述伸缩油缸 3缸头 10的两个侧面均设置有供所述缸销 6上下滑动的 导槽 11 , 设置于两个导槽 11中的两个缸销 6与缸销油缸 5的缸筒连接， 两个缸销油缸 5的杠^ ^干结构均通过固定支架 4固定于所述伸缩油缸 3的缸 头 10上。 通过本发明实施例中缸销、 臂销以及互锁滑块的设置， 避免了缸销和 臂销的同时缩回， 从而能够很好的实现机械互锁。
下面对本发明一个优选实施例中的插销式伸缩臂的工作过程和工作原 理进行描述：
1、 拔臂销动作：
拔销卡槽 2在臂销油缸 1的作用下向下运动， 与安装在主臂（基本臂 或伸缩臂）臂尾的臂销 12尾部接触， 从而带动臂销 12向下运动， 实现拔 臂销 12动作。
2、 收紅销动作
缸销油缸 5在油压力作用下缩回， 拉动与之连接的缸销 6沿导槽 11 向上运动， 完成收缸销 6动作， 同时复位弹簧 7被压缩。
3、 伸紅销动作
缸销油缸 5卸油后， 被压缩的复位弹簧 7复位伸长， 推动缸销 6 ( 6 ) 沿 导槽 11向下运动， 完成伸缸销 6动作。
4、 互锁过程
当缸销 6向上缩回时， 与其连接的互锁连杆 8向上运动，推动互锁滑块 9 沿其滑槽向内运动至拔销卡槽 2的下方， 从而阻止拔销卡槽 2向下运动， 从而不能执行拔臂销 12动作， 避免了缸销 6和臂销 12的同时缩回， 从而 实现机械互锁； 当拔销卡槽 2执行拔臂销 12动作后，拔销卡槽 2向下运动 至互锁滑块 9向内运动的路径上， 阻止互锁滑块 9向内运动， 从而使互锁 连杆 8无法向上运动， 与互锁连杆 8连接的缸销 6也无法向上运动， 从而 不能执行收缸销 6动作，避免了缸销 6和臂销 12的同时缩回，从而实现机 械互锁。
本发明技术方案提供一种全新的插销式伸缩臂， 能够筒化伸缩油缸的 缸头结构， 从而能够筒化加工工艺； 进一步， 本发明采用下插式缸销取代 现有技术中设置在伸缩油缸缸头两侧的缸销， 使伸缩油缸的缸径有更大的 增长空间； 另外， 通过本发明缸销、 臂销以及互锁滑块的设置， 避免了缸 销和臂销的同时缩回， 从而能够艮好的实现机械互锁。
另外， 本发明还公开了一种伸缩臂起重机， 所述伸缩臂起重机可以包 括如前各实施例所述的插销式伸缩臂， 为了篇幅考虑， 在此不再对插销式 伸缩臂赘述， 参照前面相关部分的描述即可(

Claims

权 利 要 求
1. 一种插销式伸缩臂，包括基本臂以及套装于所述基本臂中的至少一 节伸缩臂， 所述伸缩臂的内腔中设置有伸缩油缸， 所述伸缩油缸的活动端 通过缸销可选择地与任意一节伸缩臂锁定；
其特征在于， 所述缸销对称设置于所述伸缩油缸缸头两个相对的侧面 并可通过滑动装置沿所述伸缩油缸的侧面同向滑动。
2. 根据权利要求 1所述的插销式伸缩臂，其特征在于，所述滑动装置 为导槽或导轨。
3. 根据权利要求 2所述的插销式伸缩臂，其特征在于，所述缸销设置 于所述伸缩油缸缸头的上侧面和下侧面， 并可沿所述伸缩油缸的上侧面和 下侧面同向水平滑动。
4. 根据权利要求 2所述的插销式伸缩臂，其特征在于，所述缸销设置 于所述伸缩油缸缸头的左侧面和右侧面， 并可沿所述伸缩油缸的左侧面和 右侧面同向垂直滑动。
5. 根据权利要求 4所述的插销式伸缩臂，其特征在于，所述缸销与缸 销油缸的缸筒连接， 所述缸销油缸的杠杆结构通过固定支架固定于所述伸 缩油缸的缸头上。
6. 根据权利要求 5所述的插销式伸缩臂，其特征在于，所述缸销与所 述固定支架之间还设置有套装于所述缸筒上的复位弹簧。
7. 根据权利要求 5或 6所述的插销式伸缩臂，其特征在于，所述伸缩 油缸缸头的上部还设置有倒 T字形的滑槽， 所述滑槽中配合安装有可左右 滑动的互锁滑块， 所述互锁滑块通过互锁连杆与所述缸销连接， 所述互锁 连杆在所述缸销上下滑动时带动所述互锁滑块在所述滑槽中左右滑动； 所述伸缩油缸的缸头上还设置有臂销油缸， 所述臂销油缸连接一设置 于所述滑槽上方的拔销卡槽， 设置于所述滑槽上方的拔销卡槽在所述臂销 油缸的作用下插拔所述臂销。
8. 根据权利要求 7所述的插销式伸缩臂，其特征在于，所述互锁滑块 的底部设置为用于在所述滑槽中滑动的 T字形底部， 所述互锁滑块靠近所 述缸销油缸的一个侧面上设置有非水平的凹槽， 设置于所述凹槽中可沿所 述凹槽滑动的圓柱结构与所述互锁连 4干连接。
9. 一种伸缩臂起重机，其特征在于，所述伸缩臂起重机包括如权利要 求 1至 8任一项所述的插销式伸缩臂。
PCT/CN2012/074204 2011-05-25 2012-04-17 一种插销式伸缩臂及伸缩臂起重机 WO2012159512A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110137362.1 2011-05-25
CN 201110137362 CN102229413A (zh) 2011-05-25 2011-05-25 一种插销式伸缩臂及伸缩臂起重机

Publications (1)

Publication Number Publication Date
WO2012159512A1 true WO2012159512A1 (zh) 2012-11-29

Family

ID=44842036

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/074204 WO2012159512A1 (zh) 2011-05-25 2012-04-17 一种插销式伸缩臂及伸缩臂起重机

Country Status (2)

Country Link
CN (3) CN102229413A (zh)
WO (1) WO2012159512A1 (zh)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102229413A (zh) * 2011-05-25 2011-11-02 三一汽车起重机械有限公司 一种插销式伸缩臂及伸缩臂起重机
CN102556859B (zh) * 2012-01-04 2014-12-10 三一汽车起重机械有限公司 一种插拔销机构、插销式伸缩臂及起重机
CN102530723B (zh) * 2012-02-13 2014-04-30 中联重科股份有限公司 工程机械及其插拔销装置
CN102730578B (zh) * 2012-06-27 2014-06-18 三一汽车起重机械有限公司 插拔销机构及其缸头、插销式伸缩臂和起重机
CN103527557B (zh) * 2013-09-29 2016-02-24 徐州重型机械有限公司 单缸插销机构及具有该机构的油缸和起重机
AU2014314763B2 (en) 2013-08-27 2017-04-06 Xuzhou Heavy Machinery Co., Ltd. Single-acting pin-type telescoping arm, telescoping method thereof, and crane having the telescoping arm
CN103693566B (zh) * 2013-12-18 2015-11-25 徐州重型机械有限公司 一种单油缸驱动缸臂销伸缩的缸头
CN104085802B (zh) * 2014-06-30 2016-02-03 中联重科股份有限公司 缸销座、伸缩吊臂和工程机械
CN104310246B (zh) * 2014-08-27 2016-03-16 湖南飞涛专用汽车制造有限公司 一种可调伸缩缸头导向滚轮装置
CN105221521B (zh) * 2014-10-16 2017-05-24 徐州重型机械有限公司 组合装配式伸缩油缸缸头体以及伸缩油缸
CN110862026B (zh) * 2019-11-07 2021-04-20 太原重工股份有限公司 伸缩臂及包括伸缩臂的起重机
CN113415742B (zh) * 2021-08-02 2023-06-23 王凯 起重机伸缩臂滑块组件

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006290480A (ja) * 2005-04-06 2006-10-26 Kato Works Co Ltd 移動式クレーン
CN1994852A (zh) * 2006-12-28 2007-07-11 长沙中联重工科技发展股份有限公司 起重机用垂直式插销机构
CN101618839A (zh) * 2008-06-30 2010-01-06 徐州重型机械有限公司 伸缩臂起重机及其单缸插销式伸缩臂
CN201580920U (zh) * 2009-12-31 2010-09-15 三一汽车制造有限公司 起重机及其单缸插销式伸缩臂和插销自锁装置
CN102229413A (zh) * 2011-05-25 2011-11-02 三一汽车起重机械有限公司 一种插销式伸缩臂及伸缩臂起重机

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH076191B2 (ja) * 1992-02-13 1995-01-30 三和ブレーカー株式会社 杭打ち機
JP4076191B2 (ja) * 1998-04-27 2008-04-16 株式会社タダノ 移動式クレーンのブーム伸縮機構
CN1418805A (zh) * 2002-11-13 2003-05-21 徐州重型机械厂 单伸缩油缸自动控制多节臂伸缩装置
JP5024821B2 (ja) * 2007-04-27 2012-09-12 株式会社加藤製作所 クレーンのブーム伸縮装置
CN201272662Y (zh) * 2008-06-30 2009-07-15 徐州重型机械有限公司 伸缩臂起重机及其单缸插销式伸缩臂
CN102050393B (zh) * 2010-12-22 2012-10-03 三一汽车起重机械有限公司 伸缩臂式起重机和单缸插拔销机构

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006290480A (ja) * 2005-04-06 2006-10-26 Kato Works Co Ltd 移動式クレーン
CN1994852A (zh) * 2006-12-28 2007-07-11 长沙中联重工科技发展股份有限公司 起重机用垂直式插销机构
CN101618839A (zh) * 2008-06-30 2010-01-06 徐州重型机械有限公司 伸缩臂起重机及其单缸插销式伸缩臂
CN201580920U (zh) * 2009-12-31 2010-09-15 三一汽车制造有限公司 起重机及其单缸插销式伸缩臂和插销自锁装置
CN102229413A (zh) * 2011-05-25 2011-11-02 三一汽车起重机械有限公司 一种插销式伸缩臂及伸缩臂起重机
CN102358582A (zh) * 2011-05-25 2012-02-22 三一汽车起重机械有限公司 一种插销式伸缩臂及伸缩臂起重机

Also Published As

Publication number Publication date
CN102358582B (zh) 2013-10-23
CN102229413A (zh) 2011-11-02
CN202284125U (zh) 2012-06-27
CN102358582A (zh) 2012-02-22

Similar Documents

Publication Publication Date Title
WO2012159512A1 (zh) 一种插销式伸缩臂及伸缩臂起重机
CN103277474B (zh) 螺旋传动式伸缩机构和工程机械
US10077173B2 (en) Single-cylinder plug pin type telescopic arm, telescopic method thereof and crane having telescopic arm
WO2012048589A1 (zh) 伸缩臂式起重机用单缸插拔销机构
CN102050393B (zh) 伸缩臂式起重机和单缸插拔销机构
CN106219421B (zh) 一种多级伸缩机构及工程机械
CN102730578B (zh) 插拔销机构及其缸头、插销式伸缩臂和起重机
CN108290724A (zh) 移动式起重机和相对其主悬臂弯折主悬臂延长部的方法
CN102285598B (zh) 多节臂伸缩装置及具有其的起重机
WO2011066752A1 (zh) 主臂伸缩机构和具有该主臂伸缩机构的汽车起重机
WO2014056409A1 (zh) 一种油田矿井管柱连续起下方法及双游动卡瓦装置
CN2878316Y (zh) 起重机用插拔销机构
CN203684741U (zh) 舞台面板移动锁定装置
CN114104709B (zh) 自动抓取装置及用于自动抓取装置的挂钩
CN101214913B (zh) 一种起重机用连杆式互锁机构
CN205346686U (zh) 带有回缩机构的伸缩臂结构及起重机
CN101214912B (zh) 一种起重机用纵向单摆杆式承载销插拔机构
CN201944059U (zh) 伸缩销、起重机用伸缩销插拔机构及起重机
CN203428812U (zh) 桁架式伸缩臂及包含该桁架式伸缩臂的起重机
CN111039199B (zh) 单缸插销式伸缩臂和起重机
CN204625034U (zh) 双缸轮换式伸缩机构
CN211733622U (zh) 可调节吊装夹具
CN216512558U (zh) 机械式驱动缸头块
CN218540611U (zh) 一种可伸缩闸门拉杆装置
CN205031817U (zh) 消防车伸缩臂结构

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12789874

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12789874

Country of ref document: EP

Kind code of ref document: A1