EP1024106B1 - Procédé et dispositif pour le montage de la tête de mât des grues à tour - Google Patents

Procédé et dispositif pour le montage de la tête de mât des grues à tour Download PDF

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Publication number
EP1024106B1
EP1024106B1 EP00420008A EP00420008A EP1024106B1 EP 1024106 B1 EP1024106 B1 EP 1024106B1 EP 00420008 A EP00420008 A EP 00420008A EP 00420008 A EP00420008 A EP 00420008A EP 1024106 B1 EP1024106 B1 EP 1024106B1
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EP
European Patent Office
Prior art keywords
jib
bearer
rear part
front part
rods
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.)
Expired - Lifetime
Application number
EP00420008A
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German (de)
English (en)
French (fr)
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EP1024106A1 (fr
Inventor
Michel Lissandre
Yves Millet
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.)
Manitowoc Crane Group France SAS
Original Assignee
Potain SA
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Filing date
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Publication of EP1024106A1 publication Critical patent/EP1024106A1/fr
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    • 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
    • B66C21/00—Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways

Definitions

  • the present invention relates to a method and a device for assembly of the constituent elements of the rotating part of a tower crane, this invention is particularly interested in the constitution and mounting the masthead of tower cranes.
  • the rotating part of such a crane comprises usually a rotating pivot, surmounted by a masthead also called "Arrow-holder", the arrow and the counter-arrow being situated on both sides of the masthead.
  • the arrow is articulated, by its posterior end, to the face front of the boom carrier, and is maintained in substantially horizontally by means of one or more lines of arrowheads, connecting each obliquely the top of the arrow holder at a point of the arrow.
  • the counterfleche is articulated, by its anterior end, to the rear face of the boom carrier, and it is maintained in substantially horizontally by means of one or more lines of counter-bolts, connecting each obliquely the top of the arrow holder to a point of the camber.
  • European Patent Application EP 0 635 450 A1 in the name of Applicant, describes a method for mounting the dispensing boom and the counterfleche of such a tower crane. According to this process, the elements of arrow are lined up and assembled on the ground with their tie rods, then one raises and align the tie rods, and possibly those of the counter-arrow, using an auxiliary assembly machine such as a mobile crane. Then, using the same machine, the whole of the arrow or the counterfleche is raised with the tie rods, and the arrow or counter-arrow is presented in front of the masthead previously mounted, so that the free ends of the tie lines correctly at the top of the masthead, thus allowing direct stitching of the tie rods at the top of the masthead.
  • This process is also implemented by aligning and assembling before the ground the elements of arrow, and by using an auxiliary machine hoist to present the counterfleche, then the arrow, facing the masthead previously mounted.
  • EP 0 846 650 A1 requires have a special engine, with auxiliary winch and hauling or with lever and halyard, to perform the alignment and stitching of the tie rods of the arrow and counterfleche, hence a certain constructive complication for the device for implementing the method.
  • the invention is essentially based on the initial separation of the arrow holder in two parts, respectively a front part and a part rear, which allows to premount the ground two separate sets, including the one against the arrow and the rear part of the arrow holder, and the other the arrow and the front part of the arrow holder.
  • These two pre-assembled sets are then successively raised and assembled at the turning pivot or at the top of the mast-cabin by broaching.
  • the two component parts of the arrow carrier are also linked together by broaching, in their upper portions, of in order to finally constitute a complete and rigid triangular or polygonal (seen from the side).
  • the assembly on the ground of the assembly formed by the arrow, its tie rods and the front part of the arrow holder is made by binding hingedly the base of the front part of the arrow holder at the end posterior of the foot of the arrow, and also binding the front part of the arrow-holder at the foot of an arrow by a means limiting the pivoting, forwards and towards the back of the front part of the arrow holder relative to the arrow.
  • the angular movement thus allowed, for example of the order of 5 °, facilitates the final binding operation of the vertices of the front and rear parts of the boom carrier.
  • the assembly operation on the ground of the assembly formed by the boom, its tie rods and the front part of the arrow holder also includes, for the or each pulling of the arrow, the attachment from a rear part of the tie rod to the top of the front part of the boom carrier, the fixing a front part of the same tie at an intermediate point of the arrow, bringing the rear and front parts closer together with a sling pulled by an auxiliary handling or lifting equipment, and the pinning of the front end of the rear part of the tie rod on the rear end from the front part of the tie rod.
  • the tie rods are thus stitched together, by ground operations, and they find themselves in an aligned position.
  • the lifting operation of the assembly formed by the counterfleche, its or its tie rods and the rear part of the bow carrier is feasible, according to a first mode of implementation, using slings including front slings attached to the base of the rear part of the arrow holder, and passing over a deflection member carried by this rear part, and rear slings attached to the structure of the counterfleche, so as to maintain the structure of substantially horizontal counterfleche during the lifting of this together with its stitching on the rotating pivot or the mast-cabin, the tie rods of the counterflash being aligned and stretched.
  • the lifting operation of the assembly formed by the counterfleche, its or its tie rods and the rear part of the bow carrier is made using slings including front slings attached to the base of the rear section of the arrow holder, but not under any deflection, and rear slings attached to the structure of the counterfleche, the slings being of length adapted to maintain the structure of the counterfleche in an inclined position by horizontally, during the lifting of this assembly and its broaching on the revolving pivot or the mast-cabin, the rear part of the boom carrier being pivoted backwards and in abutment so that the tie rods remain relaxed; the structure of the counterfleche is brought back to the horizontal, and the the tie rods are put in tension, after broaching said assembly on the pivot rotating or the mast-cabin.
  • the assembly is first assembled including the counterfleche and the rear part of the boom holder, then the assembly of the assembly comprising the boom and the front part of the boom carrier, the still advantageously comprises, after the broaching operation of the first of these sets on the swivel or the mast-cabin, the realization of a provisional connection with play now the rear part of the arrow holder in erected position, pending the pinning of the top of the front part of the arrow holder on the top of said rear portion.
  • This temporary liaison with play not involved in the work of the crane, is achievable by means of retaining rods and lights, connecting the top of the rear part of the boom holder with rotating pivot or mast-cabin.
  • the lifting operation of the assembly formed by the boom, its or tie rods and the front part of the boom carrier is also carried out using slings preferably by keeping the arrow substantially horizontal to its pinning on the rotating pivot or the mast-cabin, then by rotating the arrow slightly upwards around the axis performing this broaching, to achieve a approach pinning with game between the top of the front part and the top the rear part of the boom holder. Then, it is pivoted reverse of the arrow leading to the rear part of the arrow holder, and to the realization of a definitive broaching.
  • the pivoting reverse of the arrow driving forward thanks to its dead weight more important the rear part of the arrow holder, makes move the pinhole the end of said rear portion following an arc of a circle, the center corresponds to the pinning axis of the counter-arrow and the rear part the boom holder on the rotating pivot or the mast-cabin.
  • the final broaching hole from the top of the front part of the arrow holder is moves along another arc of a circle whose center corresponds to the axis of pinning of the boom and the front part of the boom holder on the rotating pivot or the mast-cabin.
  • the front part of the arrow holder is connected, via a crutch consisting of two sections unequal joints between them, in the posterior part of the foot of arrow, one of the sections of the crutch including a support member on the foot of the mast, in order to limit the forward and backward pivoting of the front of the arrow holder relative to the arrow.
  • the tenon and the clevis complementary provided at the vertices of the front and rear parts of the boom carrier, have corresponding front and back holes, respectively for carrying out approach pinning with clearance, and for final broaching, between the post and the screed.
  • the tower crane shown in FIG. 1 comprises, in a known manner, a base frame 1 fixed or rolling, a mast 2 height adjustable topped a fixed pivot 3 and a rotating part 4, orientable about a vertical axis, which itself includes a masthead or "arrow holder” 5, an arrow dispenser 6 along which moves a carriage 7, and a counter-arrow 8 carrying a counterweight 9.
  • the arrow holder 5 overcomes a short section of mast 10, called “mast-cabin", also belonging to the part rotating 4 and on which is fixed laterally the driving cabin 11 of the crane.
  • the arrow 6 is composed of several aligned elements, with lattice structure, including a first element 12 "foot of arrow”, articulated by its posterior end at the base of arrow holder 5 and on the mast-cabin 10, about a horizontal axis.
  • Arrow 6 is maintained in a substantially horizontal position by two oblique tie-rods 13 and 14, both connected to the top 15 of the arrow holder 5, and also linked, respectively, at two intermediate points 16 and 17 (spaced from each other) of the arrow 6.
  • the tie rods 13 and 14 are themselves formed, each by several successive elements articulated between them, and can thus be also referred to as "tie lines”.
  • the counterfleche 8 is, relative to the masthead 5, the opposite side at the arrow 6, the anterior end of the counter-arrow 8 being articulated, around a horizontal axis 18, at the base of the boom holder 5 and on the mast-cabin 10.
  • This counterfleche 8 is maintained here in a substantially horizontal position by a double oblique pulling 19, which connects two symmetrical points 20 of the part posterior of the structure of the counterfleche 8 at the top 15 of the arrow holder 5.
  • the tie rods 19 are composed of several successive elements, articulated between them.
  • the counterfleche 8 also has a lattice structure (see Figure 2).
  • the arrow holder 5 consists of two removable and separable parts one of the other, namely a front portion 21 and a rear portion 22, shown separated from each other in FIG. front portions 21 and rear 22 converge at the top 15 of the arrow holder 5.
  • the front portion 21 of the arrow holder 5 is associated with the arrow 6 and, more particularly, at the foot of arrow 12.
  • This front portion 21 comprises two convergent amounts 23, joined together at their apex, and connected between them, respectively, at their base and at an intermediate height, by two horizontal crosspieces 24 and 25.
  • the lower ends of the two uprights 23 have respective tenons 26, each pierced with a pinhole 27.
  • the closer upper ends of the two uprights 23 are assembled to another post 28, pierced with two holes 29 and 30, the one before and the other posterior.
  • the posterior end of the jib foot 12 comprises, on each side, a clevis 31 with opening directed downwards, receiving one of the tenons lower 26 of the front part 21 of the arrow holder 5.
  • a boss 32 on each of these tenons 26, and a safety axis 33 (see detail in FIG. the uncoupling between each clevis 31 and the corresponding tenon 26.
  • the front portion 21 of the boom carrier 5 is also connected to the foot of arrow 12 via a crutch 34, consisting of two unequal sections 35 and 36, hinged together around them an intermediate axis 37.
  • the first section 35 is articulated by one end to a yoke 38 connected to the cross member 25 of the part before 21 of the arrow holder 5; it has, at its opposite end, a plate support 39 intended to rest on the upper chord 40 of the boom foot 12.
  • the second section 36 is articulated around an axis 41 at the posterior end of the upper chord 40 of the boom foot 12.
  • the stand 34 is shown in the folded position, position in which it limits the forward pivoting of the front portion 21 of the 5. In the unfolded position, the same stand 34 limits the pivoting towards the rear of the front part 21 of the arrow holder 5.
  • the angle between the two limit positions of this front portion 21 of the arrow holder 5 is of the order of 5 °.
  • the rear portion 22 of the arrow holder 5 is associated with the counterfleche 8.
  • This rear portion 22 comprises two convergent main uprights 42, gathered at one another at their summit, and connected to each other, respectively to their base and at an intermediate height, by two horizontal crosspieces 43 and 44.
  • the lower ends of the two uprights 42 comprise tenons 45, each pierced with an opening 46.
  • the upper ends the two uprights 42 are assembled to a yoke 47, of which each branch has two holes, one anterior and the other posterior.
  • the rear portion 22 of the boom holder 5 further comprises two retaining rods 48, articulated by their upper ends under the yoke 47.
  • the end lower of each connecting rod 48 carries a clevis 49.
  • the anterior end of the counterfleche 8 comprises, on each side, a clevis 50 with opening directed downwards, receiving one of the tenons 45 of the rear part 22 of the arrow holder 5.
  • the part rear 22 of the boom holder 5 has a strap 53 hinged on the uprights 42, and intended to deport the point of attachment of the slings of handling, as detailed below.
  • the rear portion 22 of the boom carrier 5 comprises at least a connecting bar 81, articulated on the crosspiece 44.
  • This bar is fixed on the front portion 21 of the boom carrier, once the crane is fully assembled, and serves as triangulation bar reinforcing the connection between the front parts 21 and rear 22 of the arrow holder 5.
  • the cabin mast 10 includes, at its top, two clevises 54 located respectively on both sides of the mast-cabin and facing forward, two other yokes 55 located respectively both sides of the mast-cab and facing rear, and two legs 56 located respectively on both sides of the mast-cabin and facing upwards.
  • the two front clevises 54 of the mast-cabin 10 are provided to receive the lower tenons 26 of the front portion 21 of the arrow holder 5, as well as the posterior clevises 31 of the foot of arrow 12.
  • the two rear clevises 55 of the mast-cabin 10 are provided to receive the lower tenons 45 of the part rear 22 of the boom carrier 5, as well as the previous clevis 50 of the 8.
  • the two legs 56 of the mast-cabin 10, each pierced of a light are provided to receive the lower clevises 49 of the connecting rods retainer 48 of the rear portion 22 of the boom holder 5.
  • a first phase consists of assembling, on the ground, the elements of the counterfleche 8 and associated parts, using a handling machine low capacity (maximum load for example less than or equal to 4 tons).
  • the elements of the double pulling 19 of the counterfleche 8 are then put in place, as well as the rear portion 22 of the arrow holder 5, so as to constitute a triangular-shaped structure, formed of the counterfleche 8, the double pull 19 and said rear portion 22.
  • a second phase consists of assembling, on the ground, the elements of arrow 6 and associated parts, still using a handling machine low capacity.
  • the successive elements of the arrow 6 are aligned and assembled together and the carriage 7 is also put in place.
  • the front part 21 arrow carrier is brought, its crutch 34 being folded and resting, by its support plate 39, on the upper chord 40 of the boom foot 12 - see figure 6.
  • the two lines of tie rods 13 and 14 of the arrow 8 are also installed: the rear parts 13a or 14a of these tie rods 13 and 14 are joined by a double rod 82, which hangs on a boss 83 formed around the hole front 29 of the pin 28 located at the top of the front portion 21 of the arrow holder (see Figure 5), the double rod 82 being held in the hooked position by a clamping member.
  • the front portion 13b or 14b of each tie 13 or 14, still separated from the rear part, is linked to point 16 or 17 at the chord upper 40 of the arrow 6. As shown by the enlarged details A and B of FIG.
  • the front end of the rear portion 14a has a yoke 57, and the rear end of the part before 14b of this tie rod has a pin 58 preferably with light or vice versa. It is also provided a roller 59 mounted at the front end of the rear portion 14a of the line of tie rods 14, the roller 59 being able to roll on the upper chord 40.
  • a sling 60 is used passing over two movable pulleys 61, and on the hook 62 of the aforementioned handling machine - see detail C of Figure 6.
  • the sling 60 By means of the sling 60, it is first of all carried out the approximation of the two portions 14a and 14b of the upper tie line 14, larger length, and these parts are stitched together by an axis linking the yoke 57 with tenon 58, whose light allows a game to remain - see Figure 7.
  • the next phase consists, using a heavy lifting gear capacity (eg maximum load equal to or greater than 10 tonnes), and the use of slings adapted to perform a handling of the assembly formed by the counterfleche 8, by the double tie 19 and by the rear portion 22 of the arrow holder 5, to lift this assembly and bring it to the mast-cabin 10, as shown generally in Figure 9.
  • a heavy lifting gear capacity eg maximum load equal to or greater than 10 tonnes
  • This phase is feasible, in a first mode of implementation illustrated in Figure 10, using a set of special slings, consisting of two slings before 65 and two rear slings 66, predefined length, suspended on the same hook 67 of the hoist.
  • the two slings before 65 are attached at a point 68, at the base of the rear portion 22 of the boom holder 5, and they pass on the ramp 53 deployed, so as to be deflected on the end 69 of this ramp 53 which constitutes thus a deported attachment point.
  • the two rear slings 66 are attached at symmetrical points 70, located towards the rear of the structure of the 8.
  • the handling of the whole considered is carried out using another set slings, consisting of two slings before 71 and two rear slings 72, of predefined length.
  • the two slings before 71 are attached to point 68, at the base of the rear portion 22 of the boom carrier 5, and undergo here no deviation between the hook 67 and the attachment point 68.
  • two rear slings 72 are attached to the points 70, located towards the rear of the 8.
  • the two slings before 71 maintain the rear portion 22 of the boom carrier 5 pivoted to the rear relative to the structure of the counterfleche 8, in the stop position against the clevis 50 by the axis 52, so that the elements 73, 74 and 75 of the line of tie rods 19 form a broken line.
  • the structure of the counterfleche 8 is handled by forming, relative to the horizontal, an angle at important, for example equal to or greater than 15 °. This inclination of the counterfleche 8 is preserved during the operations (previously described) of stitching of the assembly on the mast-cabin 10. Once this stitching done, the counterfleche 8 is pivoted about its axis 18 of broaching on the mast-cabin 10, until coming to a substantially horizontal position, the elements 73, 74 and 75 double pull 19 then being aligned and put in tension.
  • FIGS. 12 to 14 illustrate a third mode of implementation, respecting the assembly and handling of the assembly formed by the counterfleche 8, the tie rods 19 and the rear portion 22 of the arrow holder 1.
  • FIG. 12 illustrates the stitching operation of the tie rods 19, carried out at ground.
  • the rear part 22 of the arrow holder 5 is put into place in its articulation at the front of the structure of the counterfleche 8, and maintained in a substantially vertical position (for example with a slight tilt towards the rear, the angle ⁇ being approximately 87 °), with the aid of the low capacity handling. It is then proceeded to the broaching of the each line of tie rods 19.
  • this last mode of implementation renders useless any deflection member for the slings 71 and 72.
  • the angle of inclination has of the counterfleche of the order of 6 °, is here more reassuring angle of 15 ° or more reached in the previous mode of implementation artwork. This lower angle avoids introducing horizontal forces on the masthead and on the mast 2, during the disassembly of the counterfleche 8.
  • the arrow 6 is then slightly rotated upwards around its axis of broaching 77 with the mast-cabin 10 (position visible in FIG. 15), the front part 21 of the boom carrier 5 then performing a corresponding pivoting backwards.
  • the upper tenon 28 of the part before 21 of the boom holder 5 and engages in the upper yoke 47 of the rear portion 22 of this arrow holder 5.
  • arrow 6 is lowered and brought substantially horizontally, by reverse pivoting around its axis of broaching 77 with the mast-cabin 10, with the aid of the lifting.
  • the rear portion 22 of the boom carrier 5 is driven forward by the previously approached approach pinning, the top of this back part 22 describing a circular arc centered on the axis 18, while the top of the front portion 21 of the arrow holder 5 moves in a circular arc centered on the axis 77, the movement continuing until alignment of the anterior hole 29 of the pin 28 with the corresponding holes of the yoke 47, to the point intersection of the two aforementioned arcs.
  • the tie rods 13 and 14 of the arrow 6 line up and stretch, while the crutch 34 unfolds (see detail H of figure 16).
  • the arrow holder 5 is then constituted in a rigid structure, of triangular shape, whose three sides are formed respectively by the top of the mast-cabin 10, by the front part 21 (in particularly the uprights 23) and by the rear part 22 (in particular the amounts 42).
  • the slings 76 can now be detached from the arrow 6, this one being maintained in a substantially horizontal position by the single rods 13 and 14, stretched between the top 15 of the arrow holder 5 and the points 16 and 17 - see figure 17.
  • one or more constituent blocks of the counterweight 9 can be already set up on the counterfleche 8 in intermediate phases of the assembly of the crane.
  • FIG. 19 to 22 illustrate, as a variant of what has just been described, another version of the broaching of the upper part of the arrow holder 5.
  • This variant implements the following means, clearly visible in FIG. only on the details N and R:
  • the front portion 21 of the boom holder 5 comprises, at its top, a tenon 28 having a rear hole 30 for the stitching of the line of tie rods 19 of the counterfleche 8, and a hole before 29 for the final broaching of the two parts, respectively before 21 and rear 22, of the boom holder 5.
  • the rear part 22 of the boom carrier 5 has, at its top, a clevis 47 provided with a hole 84 for the final broaching of the two parts 21 and 22 of the arrow holder 5.
  • the yoke 47 is also provided, externally, with side washers 85 coaxial with the aforementioned hole 84; these washers 85, welded on the yoke 47, have an inner diameter equal to that of the axis of final broaching.
  • the line of tie rods 19 of the counterfleche 8 has at its end former, two connecting rods 86 and 87.
  • the first rod 86 is a double rod, consisting of two symmetrical plates, which ensures the connection between the end of the line of tie rods 19 and the side washers 85 carried by the upper yoke 47 of the rear portion 22 of the arrow holder 5.
  • the second connecting rod 87 in particular in the form of a clevis, is housed inside the double rod 86, and is connected to the end of the line of tie rods 19, same point as the first rod 86.
  • the center distance of the second rod 87 is slightly lower, for example 2 mm, than that of the double rod 86.
  • the broaching of the counter-flap 8 is done by connecting the double tie 19 at the upper end of the rear portion 22 of the boom holder 5 by means of the first connecting rod (double connecting rod) 86, the second connecting rod 87 being on standby.
  • the pinning of the arrow 6 is done by connecting the triangulation of this arrow, at its upper end and more particularly the hole rear 30 of the tenon 28, at the end of the double tie 19 of the counterfleche 8, via the second rod 87.
  • This variant has the advantage, in comparison with the version previously described, no longer require a very precise realization centers of the holes at the vertices of the front 21 and rear 22 parts of the arrow holder 5, so to overcome a dimensional constraint.
  • Disassembly of the rotating part 4 of the crane is feasible, by a series of inverse operations of those previously described, separating first the two parts 21 and 22 of the arrow holder 5, then by handling on the one hand the assembly consisting of the arrow 6, the front portion 21 of the arrow holder 5 and tie rods 13 and 14, and on the other hand the compound consisting of the 8, the rear portion 22 of the arrow holder 5 and the double tie 19.
  • the two parts 21 and 22 of the arrow holder 5 offer a minimal space for transport and storage.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Jib Cranes (AREA)
EP00420008A 1999-01-27 2000-01-18 Procédé et dispositif pour le montage de la tête de mât des grues à tour Expired - Lifetime EP1024106B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9901114 1999-01-27
FR9901114A FR2788758B1 (fr) 1999-01-27 1999-01-27 Procede et dispositif pour le montage de la tete de mat des grues a tour

Publications (2)

Publication Number Publication Date
EP1024106A1 EP1024106A1 (fr) 2000-08-02
EP1024106B1 true EP1024106B1 (fr) 2005-05-25

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EP00420008A Expired - Lifetime EP1024106B1 (fr) 1999-01-27 2000-01-18 Procédé et dispositif pour le montage de la tête de mât des grues à tour

Country Status (8)

Country Link
US (1) US6422408B1 (ru)
EP (1) EP1024106B1 (ru)
JP (1) JP2000255983A (ru)
KR (1) KR100684296B1 (ru)
DE (1) DE60020275T2 (ru)
ES (1) ES2241563T3 (ru)
FR (1) FR2788758B1 (ru)
RU (1) RU2258664C2 (ru)

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CN102616680A (zh) * 2012-04-05 2012-08-01 中联重科股份有限公司 塔式起重机连接板及具有其的塔式起重机
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CN102942124B (zh) * 2012-11-15 2015-02-11 中联重科股份有限公司 塔式起重机
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CN105110205B (zh) * 2015-09-29 2017-09-19 中建二局第二建筑工程有限公司深圳分公司 一种塔式起重机的逆向拆卸方法
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KR101831409B1 (ko) * 2016-08-19 2018-02-22 주식회사 에버다임 타워 크레인
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FR2788758B1 (fr) 2001-02-23
US6422408B1 (en) 2002-07-23
FR2788758A1 (fr) 2000-07-28
RU2258664C2 (ru) 2005-08-20
DE60020275T2 (de) 2006-05-11
DE60020275D1 (de) 2005-06-30
KR100684296B1 (ko) 2007-02-20
JP2000255983A (ja) 2000-09-19
ES2241563T3 (es) 2005-11-01
KR20000053630A (ko) 2000-08-25

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