EP2639196A1 - Grue distributrice à tour et sa structure de tige de tension de bras d'équilibrage et procédé de montage pour la structure - Google Patents

Grue distributrice à tour et sa structure de tige de tension de bras d'équilibrage et procédé de montage pour la structure Download PDF

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Publication number
EP2639196A1
EP2639196A1 EP11831984.7A EP11831984A EP2639196A1 EP 2639196 A1 EP2639196 A1 EP 2639196A1 EP 11831984 A EP11831984 A EP 11831984A EP 2639196 A1 EP2639196 A1 EP 2639196A1
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EP
European Patent Office
Prior art keywords
tie
plate
segment
balance boom
pin shaft
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.)
Granted
Application number
EP11831984.7A
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German (de)
English (en)
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EP2639196A4 (fr
EP2639196B1 (fr
Inventor
Jun Feng
Yingxiong Fu
Difang Liu
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
Changsha Zoomlion Heavy Industry Science and Technology Development Co Ltd
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Application filed by Hunan Zoomlion Special Vehicle Co Ltd, Changsha Zoomlion Heavy Industry Science and Technology Development Co Ltd filed Critical Hunan Zoomlion Special Vehicle Co Ltd
Publication of EP2639196A1 publication Critical patent/EP2639196A1/fr
Publication of EP2639196A4 publication Critical patent/EP2639196A4/fr
Application granted granted Critical
Publication of EP2639196B1 publication Critical patent/EP2639196B1/fr
Not-in-force legal-status Critical Current
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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
    • B66C23/26—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 for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • 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

Definitions

  • the disclosure relates to the field of hoisting machinery, in particular to a tower crane and a tie rod structure of a balance boom thereof, and a method for mounting the tie rod structure of the balance boom.
  • the tie rod of the balance boom can be divided into a parallel double-tie-rod structure and a triangular double-tie-rod structure.
  • the parallel double-tie-rod structure refers to two parallel round-steel tie rods connecting a balance boom and a tower head (i.e., a supporting frame).
  • the parallel double-tie-rod structure looks simple; whereas, the two tie rods are poor in overall stability and easy to break down when stressed unequally.
  • the tie rods of the triangular double-tie-rod structure are better in overall stability.
  • two tie rods 6 intersected at certain angle form two long sides of a triangle; one ends of the two tie rods 6 are connected with a balance boom by an adapting member 5, while the other ends of the two tie rods 6 are adjacent to each other; and each tie rod 6 is connected with the tower head (i.e., the supporting frame) by a connecting member 40.
  • the two tie rods 6 of the triangular double-tie-rod structure are connected to the tower head though the connecting members 40 respectively, and the resultant force between the two tie rods 6 is very rigid and discordant, so that the two tie rods 6 are often stressed unequally and non-symmetrically to the bisecting line of the two tie rods 6. Therefore, the tie rods are still poor in overall stability and easy to break down after being connected to the tower head.
  • the two tie rods 6 are connected with the adapting member 5 by rotating shafts Q and R respectively.
  • the connecting line between the rotating shafts Q and R forms the short side of the triangle.
  • the two tie rods 6 are connected by a beam 28 on which a sheave block 27 is often arranged.
  • the sheave block 27 is wound with a steel wire rope and bears load, so that the beam 28 needs to bear load.
  • the distance between the beam 28 and the short side of the triangle i.e., the connecting line between the rotating shafts Q and R
  • d the distance between the beam 28 and the short side of the triangle
  • the force of the tie rods can be divided into the pressure F along the length direction of the beam 28 and the pressure N in the direction of gravity perpendicular to the beam 28 during operation, and the moment of the pressure F on the beam 28 is Fd and causes a bending moment on the beam 28, therefore, the overall stability of the tie rod structure is affected.
  • triangular double-tie-rod structure is inconvenient to dismount and difficult to mount and transport for lack of transitional connection and commutative connection.
  • the disclosure aims to provide a tie rod of a balance boom of a tower crane, in order to solve the problems of poor stress, inconvenient mounting and transportation and the like of the conventional tie-rod structure.
  • the disclosure provides a tie rod structure of a balance boom of a tower crane, in particular the tie rod structure of the balance boom of a super-large tower crane.
  • the tie rod structure of the balance boom comprises two tie rods which are intersected with each other at a certain angle, wherein each of the tie rods has a first end connected with a balance boom of the crane and a second end connected with a tower head of the crane, and the distance between the first ends of the two tie rods is greater than that between the second ends; the adapting member which is arranged at the second ends of the two tie rods and the second end of each of the tie rods is connected to the adapting member; and two first connecting members disposed separately, wherein each of the first connecting members has a first end connected with the adapting member and a second end connected with the tower head of the crane by a first pin shaft.
  • the adapting member comprises a C tie plate frame hinged with each of the first connecting members by a second pin shaft, and a B connecting plate hinged with the C tie plate frame by a third pin shaft; wherein each of the tie rods is provided with a first reversing plate which is connected to the B connecting plate by a fourth pin shaft; and the second end of each of the tie rods is connected to the first reversing plate by a fifth pin shaft.
  • the tie rod structure of the balance boom further comprises two second tie plate frames, each of which is arranged at the first end of each of the two tie rods , and each of the two tie rods is connected with one of the second tie plate frames by a second reversing plate , wherein one second reversing plate is connected with one of the second tie plate frames by a first rotating shaft Q, and the other second reversing plate is connected with the other of the second tie plate frames by a second rotating shaft R; a second connecting member, one end of which is connected with the two second tie plate frames by a second connecting plate , and the other end of which is provided with a structure connected with the balance boom of the crane; a box-type supporting beam which is connected between the two second tie plate frames and comprises a bottom surface, a top surface parallel to the bottom surface and a first end surface and a second end surface perpendicular to the bottom surface, wherein the first end surface is parallel to the second end surface, the plane formed by the two tie rods is in the middle between the bottom surface
  • each of the tie rods comprises a first tie rod and a second tie rod which are connected by a sixth pin shaft, wherein the first tie rod is connected to one of the two first connecting member by the adapting member; the each second tie rod is connected with one of the second tie plate frames by one of the second reversing plates.
  • the tie rod structure of the balance boom can be divided into a first segment, a second segment and a third segment which are connected in sequence, wherein the first segment comprises the first tie rods , the adapting member and the first connecting members ; the second segment of the tie rod structure of the balance boom comprises the second tie rods, the second reversing plates, the second tie plate frames, the second connecting plate , the supporting beam and the first sheave block, one of the second reversing plates is connected to one of the second tie rod by a seventh pin shaft, and one of the second tie plate frame is connected with one of the second reversing plates by the first rotating shaft Q or the second rotating shaft R; and the third segment is hinged with the second connecting plate and is provided with a structure hinged with the balance boom of the crane.
  • the first connecting pieces comprise two parallel D tie plate frames, each of which is provided with an A connecting plate hinged therewith and being parallel thereto; the A connecting plate is connected with the C tie plate frame; each one of the D tie plate frame is provided with a structure hinged with the tower head of the tower crane by the first pin shaft.
  • the second connecting member forms the third segment which comprises two third connecting plates, a third tie plate frame and a second sheave block, wherein each of the two third connecting plates is hinged with one of the second tie plate frames by an eighth pin shaft ; one end of the third tie plate frame is hinged with the two third connecting plates by two ninth pin shafts, and the other end is provided with a structure hinged with the balance boom of the crane; and the second sheave block is arranged on the third tie plate frame and is connected with the first sheave block by a steel cable.
  • the third pin shaft connecting the B connecting plate with the C tie plate frame, the fourth pin shaft connecting the B connecting plate with the first reversing plate, the first rotating shaft Q and the second rotating shaft R are parallel to one another; the pin shafts of the first to ninth pin shafts, excepting for the third pin shaft, the fourth pin shaft, the first rotating shaft Q and the second rotating shaft R , are parallel to one another; and the third pin shaft, the fourth pin shaft, the first rotating shaft Q and the second rotating shaft R are perpendicular to the rest pin shafts of the first to ninth pin shafts.
  • the third tie plate frame is provided with a stop component for stopping the third connecting plates.
  • each first reversing plate comprises: a vertical connecting plate and a horizontal connecting plate which are vertically connected with each other; the vertical connecting plate is perpendicular to the plane formed by the two tie rods; the horizontal connecting plate is within the plane formed by the two tie rods; the fourth pin shaft connects the horizontal connecting plate with the B connecting plate; and the fifth pin shaft connects one of the tie rods with the vertical connecting plate.
  • the disclosure further provides a tower crane, which comprises the tie rod structure of the balance boom mentioned above.
  • the disclosure further provides a method for mounting a tie rod structure of the balance boom of a tower crane, wherein the tie rod structure of the balance boom is the one mentioned above.
  • the method comprises the following steps: pre-mounting the first segment on the tower head and the third segment on the balance boom, arranging the second segment on a balance boom bracket and a trolley, and connecting the second segment with the third segment.
  • the method further comprises: connecting a hoisting boom with an upper base to connect the tie rods of the hoisting boom into a whole.
  • the force of the two tie rods is combined by the adapting member to form resultant force, and the resultant force is connected with the tower head by the two first connecting members disposed separately. Therefore, the two first connecting members and the two tie rods are balanced in force under the action of the same adapting member, and the problems that the tie rods are poor in overall stability and easy to break down after being connected to the tower head are solved.
  • the supporting beam is arranged in a vertical plane in which the arm of force of a bending moment is zero, so as to eliminate the bending moment of the tie rod structure of the balance boom.
  • the tie rod structure of the balance boom is arranged segmentally, so as to be convenient to dismount, transport and mount. Furthermore, the tie rod structure of the balance boom further adopts various reversing plates and pin shafts connected in different directions. So that the tie rods can rotate in both the horizontal and vertical directions, and the motion flexibility of the tie rod structure of the balance boom is improved.
  • the method for mounting the tie rod structure of the balance boom of the tower crane adopts the tie rod structure of the balance boom mentioned above, so that the mounting is convenient and fast, efficient and safe.
  • a tie rod structure of a balance boom of a tower crane comprises: two tie rods 6 intersected at a certain angle, an adapting member 17 and first connecting members 10.
  • the two tie rods 6 form two long sides of a triangle and are generally the same in length and structure so as to be stressed equally and form resultant force which is on the bisecting line of the included angle between the two tie rods 6; one ends of the two tie rods 6 adjacent to the balance boom of the crane, i.e., the first ends of the tie rods 6 (the left ends in Fig. 2a ) are provided with a structure connected with the balance boom of the crane, for example, are connected on the balance boom of the crane by various connecting members; and the other ends of the two tie rods 6 adjacent to the tower head of the crane, i.e., the second ends of the tie rods 6 (the right ends in Fig. 2a ), are adjacent to each other, namely, the distance between the first ends of the two tie rods 6 is greater than that between the second ends of the two tie rods 6.
  • the force of the two tie rods 6 is combined on the adapting member 17 to form resultant force which is connected with the tower head by the two separate first connecting members 10, at the moment, the two first connecting members 10 and the two tie rods 6 are balanced in force under the action of the same adapting member 17 and can be regulated automatically when stressed unequally, therefore, the problems that the tie rods are stressed unequally, poor in overall stability and easy to break down after being connected to the tower head are solved.
  • the adapting member 17 can be a connecting plate or a connecting frame. Furthermore, the adapting member 17 comprises: a platelike C plate frame 13 hinged with each first connecting member 10 by a second pin shaft 52, and a B connecting plate 14 hinged with the C plate frame 13 by a third pin shaft 53. Each tie rod 6 is provided with a first reversing plate 15 which is connected to the B connecting plate 14 by a fourth pin shaft 54, wherein one end of each tie rod 6 adjacent to the tower head of the crane is connected to one first reversing plate 15 by a fifth pin shaft 55.
  • each first reversing plate 15 comprises, for example, a vertical connecting plate 151 and a horizontal connecting plate 153 which are vertically connected with each other and can be welded together.
  • the vertical connecting plates 151 are perpendicular to the plane formed by the two tie rods 6, and the horizontal connecting plates 153 are within the plane formed by the two tie rods 6.
  • the fourth pin shaft 54 connects the horizontal connecting plates 153 with the B connecting plate 14, and the fifth pin shaft 55 connects the tie rods 6 with the vertical connecting plates 151.
  • the tie rods 6 can be reversed and rotate in both the horizontal and vertical directions, so as to improve the hoisting flexibility. Due to the adapting member 17 above, each tie rod 6 can be connected to the tower head flexibly, so as to be convenient to adjust, dismount and reverse.
  • one tie rod 6 is connected with a platelike second tie plate frame 23 by a rotating shaft Q, and the other tie rod 6 is connected with another second tie plate frame 23 by a rotating shaft R;
  • one end of a second connecting member such as a connecting plate, a connecting frame or an assembly formed by a plurality of connecting plates and the like, is connected with the two second tie plate frames 23, and the other end is provided with a structure connected with the balance boom of the crane;
  • a box-type supporting beam 28 is connected between the two second tie plate frames 23 and comprises a bottom surface, a top surface parallel to the bottom surface, and a first end surface and a second end surface which are perpendicular to the bottom surface and parallel to each other.
  • the bottom surface, the top surface, the first end surface and the second end surface form the box-type structure of the supporting beam 28 and can be made of steel plates; and the plane formed by the two tie rods 6 is in the middle between the bottom surface and the top surface, that is to way, the distance between the bottom surface and the plane formed by the two tie rods 6 is the same as that between the top surface and the plane formed by the two tie rods 6, therefore, the force can be born rationally.
  • the first end surface is within the plane formed by the first rotating shaft Q and the second rotating shaft R; and the distance of the second end surface departing away from the adapting member 17 is larger than that of the first end surface, namely, the second end surface is adjacent to the third segment 3 in Fig. 2b .
  • the supporting beam 28 can be of other forms, such as a platelike form, but is not as firm as the box-type supporting beam.
  • the first sheave block 27 is arranged on the supporting beam 28, and is used for connecting the tie rods 6 with the third segment 3 in the mounting process as shown in Fig. 2b .
  • the force applied to the beam 28 from the sheave block 27 can be divided into the pressure F along the length direction of the beam 28 and the pressure N in the gravity direction perpendicular to the beam 28, and the arm of force of the pressure F on the beam 28 is the distance d between the beam 28 and the QR connecting line between the first rotating shaft Q and the second rotating shaft R.
  • the first end surface of the beam 28 is within the plane formed by the first rotating shaft Q and the second rotating shaft R, and the whole beam 28 is basically in the triangular plane of the QR connecting line perpendicular to the two tie rods 6, therefore, the arm of force of the pressure F and the pressure N on the beam 28 is zero, and the bending moment of the pressure F on the beam 28 or the second tie plate frames 23 is zero.
  • the arm of force of the pressure F and the pressure N on the beam 28 can also be reduced greatly to be approximate to zero, and accordingly, the bending moment can also be reduced greatly, therefore, the stability of the beam 28, the second tie plate frames 23 and the whole tie rod structure of the balance boom is improved, and the mechanical structure of the tie rod structure of the balance boom is more rational.
  • each tie rod 6 comprises a first tie rod 16 and a second tie rod 26 which are connected by a sixth pin shaft 56; each first tie rod 16 is connected to one first connecting member 10 by the adapting member; and each second tie rod 26 is connected with one second tie plate frames 23.
  • Each tie rod 6 is divided into two segments so as to be convenient to transport and mount.
  • the tie rod structure of the balance boom is divided into a first segment 1, a second segment 2 and a third segment 3 which are connected in sequence.
  • the first segment 1 can be pre-mounted on the tower head and transported with the tower head;
  • the third segment 3 is, for example, mounted on the balance boom and transported with the balance boom; and
  • the first segment 1 comprises two parallel first connecting members 10 which connected with the tower head, and two first tie rods 16 which are intersected at a certain angle and connected to the first connecting members 10 by the adapting member 17.
  • the first tie rods 16 are mounted on a supporting frame (the tower head) and transported therewith, so as to save the mounting time in the field mounting process.
  • each first connecting member 10 comprises: two parallel platelike D tie plate frames 11 each provided with an A connecting plate 12 hinged with and parallel to itself, wherein the A connecting plates 12 are connected with the C plate frame 13; and each D tie plate frame 11 is provided with a structure hinged with the tower head of the tower crane by the first pin shaft 51. Therefore, each tie rod 6 can be connected to the tower head flexibly, and is convenient to adjust, dismount and reverse.
  • the second segment 2 comprises the second tie rods 26 and two second reversing plates 25, wherein the second tie rods 26 are connected with the first tie rods 16 respectively by the sixth pin shaft 56; the first tie rods 16 are connected with the second tie rods 26 by a second connecting plate 22 to form the tie rods 6; the first tie rods 16 can be hinged with the second connecting plate 22; the sixth pin shaft 56 axially connects the second connecting plate 22 with the first tie rods 16 to enable the first tie rods 16 to be connected with the second tie rods 26; the second tie rods 26 can be placed on a bracket platform or a trolley of the balance boom in the mounting process; each second reversing plate 25 is connected to one second tie rod 26 by a seventh pin shaft 57; the second reversing plates 25 are basically the same as the first reversing plates 15 in structure and also comprise two connecting plates mutually connected; one connecting plate is hinged with the second tie rods 26 by the seventh pin shaft 57, and the other connecting plate is hinge
  • the rotation of the second tie rods 26 in the horizontal and vertical directions can be well met; the two second tie plate frames 23 are connected with one second reversing plate 25 by the rotating shaft Q or the rotating shaft R respectively; the supporting beam 28 is connected between the two second tie plate frames 23; the first sheave block 27 is arranged on the supporting beam 28; and the two parallel second connecting plates 24 are respectively arranged on the two second tie plate frames 23 to connect the third segment 3.
  • the second connecting member forms the third segment 3 which is hinged with the second tie plate frames 23 and is provided with a structure hinged with the balance boom of the crane.
  • the third segment 3 is, for example, mounted on the balance boom and transported with the balance boom, so as to save the mounting time during the field mounting.
  • the third segment 3 comprises two parallel third connecting plates 32, a third tie plate frame 33 and a second sheave block 37, wherein the two third connecting plates 32 are connected with the second tie plate frames by an eighth pin shaft 58 respectively, for example, each third connecting plate 32 is hinged with the second connecting plate 24 by the eighth pin shaft 58; one end of the third tie plate frame 33 is hinged with the two third connecting plates 32 by a ninth pin shaft 59, and the other end (i.e., the left end in Fig. 6 ) is provided with a structure hinged with the balance boom of the crane; and the second sheave block 37 is arranged on the third tie plate frame 33 and is connected with the first sheave block 27 by a steel cable.
  • the first sheave block 27 and the second sheave block 37 can be provided with four sheaves. After connecting the first sheave block 27 with the second sheave block 37, the steel cable forms a cable line of the steel cable to connect the third segment 3 with the second segment 2 and further straighten the third segment 3 and the second segment 2 between which a certain included angle is originally formed into a line conveniently.
  • the third tie plate frame 33 is provided with a stop component 35 for locating the third connecting plates 32.
  • the stop component 35 is a stop block
  • the third connecting plates 32 are oval or elongated plates
  • the stop component 35 is arranged at a predetermined position outside the oval plates to limit the rotation range of the oval or elongated plates at the predetermined position, so that the third connecting plates 32 can rotate around a pin shaft within a limited range to be convenient for mounting.
  • the rotating shaft Q and the rotating shaft R are parallel to one another, for example, the pin shafts and the rotating shafts are arranged in the vertical direction.
  • All the first to the ninth pin shafts are parallel to one another except for the third pin shaft, the fourth pin shaft, the rotating shaft Q and the rotating shaft R, for example, they are arranged horizontally; and the third pin shaft, the fourth pin shaft, the rotating shaft Q and the rotating shaft R are perpendicular to the rest pin shafts of the first to the ninth pin shafts.
  • the tie rods can rotate in both the horizontal and vertical directions; in addition, the first and second segments of the tie rods are connected by a pin shaft to be reversed to the horizontal direction.
  • most of the pin shafts are arranged horizontally in order to be convenient to dismount except for the pin shafts and the rotating shafts which are arranged vertically for reversing; and particularly, the pin shaft 56 connecting the first segment with the second segment of the tie rods is arranged horizontally, therefore, the pin shafts are dismounted horizontally in the important steps in the connecting process, the mounting time is saved and the mounting difficulty is reduced.
  • the pin shafts and the connecting members can be further added or reduced, and the arrangement direction of each pin shaft is not limited to the way above.
  • the disclosure further provides a method for mounting a tie rod of a balance boom of a tower crane.
  • the tie rod structure of the balance boom is the one mentioned above which comprises a first segment, a second segment and a third segment; as shown in Figs. 8 to 10 , the method comprises the following steps: pre-mounting the first segment 1 and the third segment 3 on a tower head 70 and a balance boom 60 respectively; arranging the second segment 2 on a balance boom bracket and a trolley; and connecting the second segment 2 with the third segment 3.
  • the first segment 1 is mounted and transported with the tower head 70
  • the third segment 3 is mounted and transported with the balance boom 60, so as to save the mounting time and bring convenience to the transportation of the first segment 1 and the third segment 3.
  • the method further comprises: connecting a hoisting boom 72 with an upper base 80 to connect the tie rods of the whole hoisting boom into a whole.
  • the process of the mounting method is as follows: for example, as shown in Fig. 8 , the balance boom 60 is mounted, the first segment 1 is mounted and transported with the balance boom 60, the third segment 3 is mounted and transported with the tower head 70, the tower head 70 is hoisted to a position where it can be mounted with the balance boom 60 by hoisting equipment (not shown), and the tower head (the supporting frame) 70 is connected with the balance boom 60 by a pin shaft 91 to form an inclined angle alpha with the balance boom 60.
  • the first tie rods 16 of the first segment on the tower head 70 and the second tie rods 26 of the second segment on the balance boom bracket (on the balance boom 60) and the trolley (on the balance boom 60) are connected by the sixth pin shaft 56 through the second connecting plate 22; the second sheave block 37 of the third segment and the first sheave block 27 of the second segment are connected by an auxiliary steel cable 90; and then the auxiliary steel cable 90 is fixed on the third segment 3.
  • the hoisting boom 72 is hoisted to a position where it can be connected and mounted with the upper base 80, the hoisting boom 72 is connected with the upper base 80 by a pin shaft 93, and the angle of the hoisting boom 72 is regulated; as shown in Fig.
  • the hoisting boom tie rod on the tower head 70 and the hoisting boom tie rod lying on the hoisting boom are connected by a pin shaft 94 to connect the tie rods 75 of the whole hoisting boom into a whole; the second segment 2 and the third segment 3 of the tie rods of the balance boom are tied together by the auxiliary steel cable; and the third connecting plate 32 is connected with the A connecting plate 12 and the second tie plate frames 23 by the ninth pin shaft 59, and the hoisting equipment is dismounted.
  • the tie rods of the whole balance boom are divided into three segments, and each segment is divided into several sections so as to meet the mounting and transportation requirements of a large tower crane; and in addition, the first segment 1 is mounted and transported with the balance boom 60, and the third segment 3 is mounted and transported with the tower head 70 so that the tie rods of the balance boom are convenient, fast, efficient and safe to mount in the whole process.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Jib Cranes (AREA)
EP11831984.7A 2010-10-14 2011-06-23 Grue distributrice à tour et sa structure de tige de tension de bras d'équilibrage et procédé de montage pour la structure Not-in-force EP2639196B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN 201010507074 CN101979308B (zh) 2010-10-14 2010-10-14 塔式起重机及其平衡臂拉杆结构及该结构的安装方法
PCT/CN2011/076236 WO2012048587A1 (fr) 2010-10-14 2011-06-23 Grue distributrice à tour et sa structure de tige de tension de bras d'équilibrage et procédé de montage pour la structure

Publications (3)

Publication Number Publication Date
EP2639196A1 true EP2639196A1 (fr) 2013-09-18
EP2639196A4 EP2639196A4 (fr) 2014-03-12
EP2639196B1 EP2639196B1 (fr) 2015-05-27

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EP11831984.7A Not-in-force EP2639196B1 (fr) 2010-10-14 2011-06-23 Grue distributrice à tour et sa structure de tige de tension de bras d'équilibrage et procédé de montage pour la structure

Country Status (3)

Country Link
EP (1) EP2639196B1 (fr)
CN (1) CN101979308B (fr)
WO (1) WO2012048587A1 (fr)

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CN103539023A (zh) * 2013-10-29 2014-01-29 中联重科股份有限公司 平衡臂和拉杆与塔头的安装结构、安装方法及塔式起重机
CN106744391A (zh) * 2017-03-01 2017-05-31 湖南信息职业技术学院 一种平衡臂拉杆安装辅助机构
CN116122587A (zh) * 2023-02-28 2023-05-16 江苏省华建建设股份有限公司 一种高空大直径钢拉杆分段安装方法

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CN101979308B (zh) * 2010-10-14 2012-02-01 长沙中联重工科技发展股份有限公司 塔式起重机及其平衡臂拉杆结构及该结构的安装方法
DE202011100477U1 (de) 2011-05-10 2012-08-13 Liebherr-Werk Biberach Gmbh Turmdrehkran
CN102491199B (zh) * 2011-12-06 2014-04-02 中联重科股份有限公司 塔式起重机及其平衡臂
CN102491186A (zh) * 2011-12-19 2012-06-13 中联重科股份有限公司 塔式起重机
CN103071989B (zh) * 2012-11-15 2015-07-01 中联重科股份有限公司 塔机起重臂分段安装方法及其辅助安装撑杆
CN103626051B (zh) * 2013-09-05 2015-08-05 中联重科股份有限公司 应用于塔机的拉杆安装装置及拉杆安装方法
CN104787688B (zh) * 2014-01-21 2018-11-30 武汉船用机械有限责任公司 一种斜向连接装置
CN104030175A (zh) * 2014-05-12 2014-09-10 江苏大通重工有限公司 小型塔式起重机械斜后拉杆连接装置
CN104477796A (zh) * 2014-12-31 2015-04-01 徐州建机工程机械有限公司 一种塔机平衡臂拉杆连接结构
CN108910728A (zh) * 2018-09-19 2018-11-30 上海市机械施工集团有限公司 吊装装置和吊装系统
CN115717482B (zh) * 2022-11-30 2023-07-14 中铁三局集团有限公司 一种装配式建筑造楼机附着系统的可开合式串筒装置

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CN106744391A (zh) * 2017-03-01 2017-05-31 湖南信息职业技术学院 一种平衡臂拉杆安装辅助机构
CN116122587A (zh) * 2023-02-28 2023-05-16 江苏省华建建设股份有限公司 一种高空大直径钢拉杆分段安装方法
CN116122587B (zh) * 2023-02-28 2024-04-30 江苏省华建建设股份有限公司 一种高空大直径钢拉杆分段安装方法

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CN101979308B (zh) 2012-02-01
WO2012048587A1 (fr) 2012-04-19
EP2639196A4 (fr) 2014-03-12
CN101979308A (zh) 2011-02-23
EP2639196B1 (fr) 2015-05-27

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