WO2013120349A1 - Ensemble de poutre de liaison et système de bras d'entretoise - Google Patents

Ensemble de poutre de liaison et système de bras d'entretoise Download PDF

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Publication number
WO2013120349A1
WO2013120349A1 PCT/CN2012/081921 CN2012081921W WO2013120349A1 WO 2013120349 A1 WO2013120349 A1 WO 2013120349A1 CN 2012081921 W CN2012081921 W CN 2012081921W WO 2013120349 A1 WO2013120349 A1 WO 2013120349A1
Authority
WO
WIPO (PCT)
Prior art keywords
arm
connecting beam
beam assembly
arm section
truss
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2012/081921
Other languages
English (en)
Chinese (zh)
Inventor
詹纯新
刘权
高一平
牟江涛
邓志燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Zoomlion Special Vehicle Co Ltd
Zoomlion Heavy Industry Science and Technology Co Ltd
Original Assignee
Hunan Zoomlion Special Vehicle Co Ltd
Zoomlion Heavy Industry Science and Technology Co Ltd
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 Hunan Zoomlion Special Vehicle Co Ltd, Zoomlion Heavy Industry Science and Technology Co Ltd filed Critical Hunan Zoomlion Special Vehicle Co Ltd
Publication of WO2013120349A1 publication Critical patent/WO2013120349A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • 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

Definitions

  • the present invention relates to the field of cranes, and more particularly to a connecting beam assembly and a truss arm system. Background technique
  • the cranes are mainly used for hoisting equipment, rescue, lifting, machinery and rescue.
  • Lifting machines are currently widely used in lifting and handling machinery in ports, workshops and construction sites.
  • the present invention provides a connecting beam assembly and a truss arm system to improve the force of the truss arm and increase the truss arm.
  • the overall stability of the system is not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, buta connecting beam assembly and a truss arm system to improve the force of the truss arm and increase the truss arm. The overall stability of the system.
  • the present invention provides a connecting beam assembly including two first arm sections and two second arm sections disposed in an intersecting manner, one end of two first arm sections and two second arm sections being first The cross position is connected, wherein the two first arm sections are adjacently arranged and the length is adjustable.
  • the connecting beam assembly further comprises a first intersection
  • the connecting seat, the two first arm sections and one end of the two second arm sections are respectively connected to the connecting base.
  • one end of the two first arm sections and the two second arm sections are respectively hinged to the connecting seat to adjust the angle between the two first arm sections and the two second arm sections .
  • the first arm section includes a body arm section and a movable arm section fixed to each other, and a fixed position between the body arm section and the movable arm section is adjustable along the length direction of the first arm section, thereby adjusting The length of the first arm section.
  • the movable arm section is inserted into the main body arm section along the length direction of the first arm section, and the main arm section is provided with a first flange, and the first arm section further includes a sleeve and is fixed a kit on the movable arm section, the kit is provided with a second flange, the first flange is provided with a first insertion hole, the second flange is provided with a second insertion hole, and the first flange and the second flange are provided The spacing between the first flange and the second flange can be adjusted along the length of the first arm section by a threaded fastener that is inserted into the first and second sockets.
  • the kit is further provided with a third jack
  • the movable arm section is provided with a plurality of fourth jacks along the length direction of the first arm section, and the movable arm section and the kit are inserted into the third
  • the jack is coupled to the pin holder in any of the fourth jacks to adjust the fixed position between the arm section and the kit along the length of the first arm section.
  • the adjustable length of the threaded fastener and the minimum hole spacing between each of the fourth receptacles are both 200 mm.
  • the connecting beam assembly further includes two first mounts hingedly coupled to the other ends of the two first arm segments, respectively, and two first hinges hingedly coupled to the other ends of the two second arm segments, respectively.
  • the two mounts, the two first mounts and/or the two second mounts are mobile mounts.
  • the mobile mount includes two clamping members and threaded fasteners for coupling the two clamping members such that the two clamping members clamp the truss arm assembly.
  • the clamping orientations of the truss arm assemblies adjacent to each other are perpendicular to each other.
  • the present invention also provides a truss arm system, the truss arm system comprising mutually spaced and inclined Two truss arm assemblies are disposed and the aforementioned connecting beam assembly is coupled between the two truss arm assemblies.
  • the truss arm system includes two spaced apart beam assemblies, the truss arm system further including an auxiliary connecting beam assembly connecting the two connecting beam assemblies, the auxiliary connecting beam assembly including four auxiliary arrangements The arm joints, one ends of the four auxiliary arm segments are connected at the second intersecting position, and the other ends of the four auxiliary arm segments are respectively connected to the connecting beam assembly.
  • the auxiliary connecting beam assembly further includes an auxiliary connecting seat disposed at the second intersecting position, one end of each of the four auxiliary arm segments is respectively hinged with the auxiliary connecting seat, and the other ends of the four auxiliary arm segments are respectively respectively The connecting beam assembly is hinged.
  • the connecting beam assembly and the truss arm system of the invention can improve the force capacity of the truss arm and increase the overall stability of the truss arm system, and the structure is simple, the cost is low, and the adjustment is easy.
  • the installation has a high installation accuracy.
  • FIG. 1 is a schematic structural view of a truss arm system having a connecting beam assembly according to an embodiment of the present invention
  • FIG. 2 is a schematic structural view of a first arm joint of a connecting beam assembly according to an embodiment of the present invention
  • FIG. 3 is a connection having an embodiment of the present invention
  • a top view of the truss arm system of the beam assembly
  • FIG. 4 is an enlarged view of the portion I of FIG. 3;
  • Figure 5 is an enlarged view of a portion II of Figure 3. detailed description
  • FIG. 1 is a schematic view showing the structure of a truss arm system having a connecting beam assembly according to an embodiment of the present invention.
  • a connecting beam assembly of a preferred embodiment of the present invention includes two first arm sections 100 and two second arm sections 200 that are disposed in an intersecting manner.
  • the connecting beam assembly is coupled between two truss arm assemblies 900 that are spaced apart and disposed obliquely.
  • Two first arm sections 100 and one ends of the two second arm sections 200 are connected at a first intersection position, wherein, the two first arm segments 100 are disposed adjacent to each other and the length thereof can be adjusted, and the lengths of the two second arm segments 200 are fixed. In other embodiments, the length of the two second arm segments 200 can also be adjusted.
  • the connecting beam assembly further includes a connecting base 300 at a first intersecting position, and one ends of the two first arm segments 100 and the two second arm segments 200 are respectively connected to the connecting base 300, as shown in FIG.
  • the two first arm sections 100, the two second arm sections 200 and the connecting base 300 together form an X shape.
  • two first arm sections 100 and one end of the two second arm sections 200 are connected to the connecting base 300 in a manner of hinged manner, and two first arm sections 100 and two The angle between the two arm joints 200.
  • other prior art connection manners may be adopted between the first arm joint 100 and one end of the second arm joint 200 and the connecting base 300, and details are not described herein again.
  • the connecting beam assembly further includes two first mounts 400, 401 hingedly coupled to the other ends of the two first arm segments 100, respectively, and two second mounts 500 hingedly coupled to the other ends of the two second arm segments 200, respectively. , 501.
  • the two first mounts 400 and/or the two second mounts 500 can be selected to be movable mounts depending on the installation requirements.
  • the first arm section 100 includes a body arm section 110 and a movable arm section 120 that are fixed to each other.
  • the fixed position between the main arm section 110 and the movable arm section 120 is adjustable along the length of the first arm section 100, so that the length of the first arm section 100 can be adjusted.
  • FIG. 2 is a schematic view showing the structure of a first arm joint of a connecting beam assembly according to an embodiment of the present invention.
  • the movable arm section 120 is inserted into the main body arm section 110 along the length direction of the first arm section 100.
  • the main arm joint 110 is provided with a first flange 111, and the first flange 111 is provided with a first insertion hole 1111.
  • the first arm section 100 further includes a sleeve 130 that is sleeved and secured to the movable arm section 120.
  • the sleeve 130 is provided with a second flange 131, and the second flange 131 is provided with a second insertion hole 1311.
  • the first flange 111 and the second flange 131 are connected by a screw fixing member 132 interposed in the first insertion hole 1111 and the second insertion hole 1311, and the first flange can be adjusted along the length of the first arm joint 100.
  • the threaded fixture 132 is, for example, a screw With nuts, or other threaded fasteners of the prior art.
  • the kit 130 is further provided with a third jack (not shown).
  • the movable arm section 120 is provided with a plurality of fourth jacks 121 along the length direction of the first arm section 100, and the movable arm section 120 and the kit 130 are inserted.
  • the third jack is coupled to a pin fixing member (not shown) in any one of the fourth jacks 121, and the fixed position between the movable arm section 120 and the kit 130 can be adjusted along the length of the first arm section 100.
  • the adjustable length of the screw fixing member 132 and the minimum hole pitch between the respective fourth insertion holes 121 are both 200 mm.
  • the second arm section 200 of which the length cannot be adjusted is first mounted on the truss arm assembly 900 (see Fig. 1), and the length of the first arm section 100 can be adjusted by the processing error. Guarantee the installation accuracy.
  • the length adjustment function of the first arm section 100 is divided into coarse adjustment and fine adjustment.
  • the coarse adjustment is performed by the pin fixing member, specifically, the movable arm joint 120 and the sleeve 130 are connected by the pin fixing members inserted in the third insertion hole and the fourth insertion hole 121, and each fourth insertion hole
  • the minimum hole spacing between 121 is 200 mm, so the coarse adjustment can be made by inserting the pin fixing member into the third insertion hole and any one of the fourth insertion holes 121, and the adjustment of the coarse adjustment is a minimum distance of 200 mm;
  • the fine adjustment is performed by the screw fixing member 132. Specifically, the spacing between the first flange 111 and the second flange 131 can be adjusted along the length direction of the first arm joint 100 by the screw fixing member 132, and the fine adjustment range can be adjusted. It is 0-200 mm.
  • FIG. 3 is a top plan view of a truss arm system having a connecting beam assembly in accordance with an embodiment of the present invention.
  • the two first arm segments 100 are secured to the truss arm assembly 900 by first mounts 400, 401, respectively.
  • the first mounts 400, 401 are mobile mounts so that their mounting points on the truss arm assembly 900 can be adjusted based on the actual position.
  • Figure 4 is an enlarged view of a portion I of Figure 3.
  • the first mount 400 includes two clamping members 4001 and threaded fasteners 4002 such that the two clamping members 4001 clamp the truss arm assembly 900.
  • a through hole may be provided in the chord 901 of the truss arm assembly 900, and the screw fixing member 4002 passes through the through hole of the chord 901, thereby improving the fixing effect of the first mounting seat 400.
  • Figure 5 is an enlarged view of a portion II of Figure 3.
  • the first mount 401 includes two The clamping members 4011 and the threaded fasteners 4012 are such that the two clamping members 4011 clamp the truss arm assembly 900.
  • a through hole may be provided in the chord 902 of the truss arm assembly 900, and the threaded fixing member 4012 passes through the through hole of the chord 902, thereby improving the fixing effect of the first mounting seat 401.
  • the clamping directions of the first mount 400 and the first mount 401 to the truss arm assembly 900 are perpendicular to each other, since the two first mounts 400 and the first mount 401 are respectively oriented in two directions perpendicular to each other.
  • the first arm sections 100 are secured to the truss arm assembly 900, thereby enhancing the securing effect between the two first arm sections 100 and the truss arm assembly 900.
  • the clamping orientation of the other adjacently disposed mobile mounts to the truss arm assembly 900 can also be taken perpendicular to each other.
  • Threaded fasteners 4002, 4012 are, for example, screws and nuts, or other threaded fasteners of the prior art.
  • the connecting beam assembly of the present invention adopts a partially adjustable structure, the difficulty in the installation process of the connecting beam assembly is reduced, and the mounting precision is improved while reducing the connection work. Due to the special structural form of the large truss arm, the A-arm, the root, and the head connection are usually different in size, resulting in unequal spacing between the arms of different arm lengths.
  • the adjustable structure of the connecting beam assembly of the present invention is advantageous for uniformity. The structural form is suitable for different truss arms.
  • the truss arm system further includes an auxiliary connecting beam assembly 500 connecting the two connecting beam assemblies in addition to the two connecting beam assemblies disposed at intervals.
  • the auxiliary connecting beam assembly 500 includes four auxiliary arms disposed in an intersecting manner. Section 501, one end of the four auxiliary arm segments 501 are connected at the intersection position, and the other ends of the four auxiliary arm segments 501 are respectively connected to the connecting beam assembly.
  • the auxiliary connecting beam assembly 500 further includes an auxiliary connecting seat 502 disposed at the intersecting position, one end of each of the four auxiliary arm segments 501 is hinged with the auxiliary connecting seat 502, and the other ends of the four auxiliary arm segments 501 are respectively
  • the connecting beam assembly is hinged.
  • the four auxiliary arm sections 501 are cross-shaped in an X shape. The angle between the four auxiliary arm segments 501 can be adjusted by means of articulation.
  • other prior art connections may be used between the four auxiliary arm sections 501 and the connecting base 502, and details are not described herein.
  • the auxiliary connecting beam assembly 500 can increase the force of the connecting beam assembly and effectively improve the connection.
  • the connecting beam assembly and the truss arm system of the invention can improve the force capacity of the truss arm and increase the overall stability of the truss arm system, and the structure is simple, the cost is low, and the adjustment is easy, and the installation is high and the installation is high. Precision.

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

Abstract

L'invention porte sur un ensemble de poutre de liaison, lequel ensemble comprend deux premières sections de bras (100) et deux secondes sections de bras (200) disposées de façon à se croiser. Les extrémités des deux premières sections de bras (100) et des deux secondes sections de bras (200) sont reliées en une première position d'intersection, les deux premières sections de bras (100) étant adjacentes et ayant une longueur réglable. L'invention porte également sur un système de bras d'entretoise, qui a l'ensemble de poutre de liaison. L'ensemble permet à la capacité de support de contraintes du bras d'entretoise d'être accrue, augmente la stabilité globale du système de bras d'entretoise, a une structure simple, est facile à régler, et a une précision d'installation relativement élevée, tout en étant pratique à installer.
PCT/CN2012/081921 2012-02-13 2012-09-25 Ensemble de poutre de liaison et système de bras d'entretoise Ceased WO2013120349A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210030164.XA CN102530744B (zh) 2012-02-13 2012-02-13 一种连接梁组件及桁架臂系统
CN201210030164.X 2012-02-13

Publications (1)

Publication Number Publication Date
WO2013120349A1 true WO2013120349A1 (fr) 2013-08-22

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PCT/CN2012/081921 Ceased WO2013120349A1 (fr) 2012-02-13 2012-09-25 Ensemble de poutre de liaison et système de bras d'entretoise

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CN (1) CN102530744B (fr)
WO (1) WO2013120349A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110395670A (zh) * 2019-09-03 2019-11-01 徐工集团工程机械股份有限公司建设机械分公司 一种桁架臂臂节和起重机

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102530744B (zh) * 2012-02-13 2014-01-08 中联重科股份有限公司 一种连接梁组件及桁架臂系统
CN113148872B (zh) * 2021-03-24 2023-07-14 上海宏英智能科技股份有限公司 一种起重机臂架组装顺序识别装置和识别方法

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CN1899949A (zh) * 2005-05-11 2007-01-24 特雷克斯—德马格合资有限公司 起吊重载荷用桁架臂起重机
CN102015513A (zh) * 2008-04-25 2011-04-13 伊特雷科公司 升降起重机
WO2011138012A2 (fr) * 2010-05-04 2011-11-10 Prodelta Investments B.V. Structure porteuse en treillis
CN102530744A (zh) * 2012-02-13 2012-07-04 中联重科股份有限公司 一种连接梁组件及桁架臂系统
CN202481967U (zh) * 2012-02-13 2012-10-10 中联重科股份有限公司 一种连接梁组件及桁架臂系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
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CN201099590Y (zh) * 2007-10-18 2008-08-13 郑州科润机电工程有限公司 大型桁架式起重机拆分式单剪连接桁架结构
CN201850085U (zh) * 2010-03-30 2011-06-01 长沙中联重工科技发展股份有限公司 主桁架臂和具有该主桁架臂的履带起重机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1899949A (zh) * 2005-05-11 2007-01-24 特雷克斯—德马格合资有限公司 起吊重载荷用桁架臂起重机
CN102015513A (zh) * 2008-04-25 2011-04-13 伊特雷科公司 升降起重机
WO2011138012A2 (fr) * 2010-05-04 2011-11-10 Prodelta Investments B.V. Structure porteuse en treillis
CN102530744A (zh) * 2012-02-13 2012-07-04 中联重科股份有限公司 一种连接梁组件及桁架臂系统
CN202481967U (zh) * 2012-02-13 2012-10-10 中联重科股份有限公司 一种连接梁组件及桁架臂系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110395670A (zh) * 2019-09-03 2019-11-01 徐工集团工程机械股份有限公司建设机械分公司 一种桁架臂臂节和起重机

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Publication number Publication date
CN102530744B (zh) 2014-01-08
CN102530744A (zh) 2012-07-04

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