CN103663171A - Crane and gin pole thereof - Google Patents

Crane and gin pole thereof Download PDF

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Publication number
CN103663171A
CN103663171A CN201310652739.6A CN201310652739A CN103663171A CN 103663171 A CN103663171 A CN 103663171A CN 201310652739 A CN201310652739 A CN 201310652739A CN 103663171 A CN103663171 A CN 103663171A
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CN
China
Prior art keywords
gin pole
lifting
hook assembly
fixed pulley
assembly
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Granted
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CN201310652739.6A
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Chinese (zh)
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CN103663171B (en
Inventor
陈汉湘
易德辉
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Priority to CN201310652739.6A priority Critical patent/CN103663171B/en
Publication of CN103663171A publication Critical patent/CN103663171A/en
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Publication of CN103663171B publication Critical patent/CN103663171B/en
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Abstract

The present invention provides a crane and a gin pole thereof. The gin pole comprises a gin pole beam and a first fixed pulley assembly arranged on the gin pole beam, wherein the free end of a lifting rope winds around the first fixed pulley assembly. The gin pole further comprises a first lifting hook assembly and a second lifting hook assembly, wherein the first lifting hook assembly is connected with the free end of the lifting rope, and the second lifting hook assembly comprises a movable pulley system. The gin pole further has a first lifting magnification state and a second lifting magnification state, wherein the first lifting hook assembly is the lifting end at the first lifting magnification state, and at the second lifting magnification state, the first lifting hook assembly is fixedly arranged relative to the gin pole beam, the lifting rope winds around the movable pulley system, and the second lifting hook assembly is the lifting end. In the technical scheme, the gin pole magnification can be adjusted so as to meet requirements of different lifting weights, different lifting speeds and different lifting heights.

Description

Hoisting crane and gin pole thereof
Technical field
The present invention relates to construction machinery and equipment, in particular to a kind of hoisting crane and gin pole thereof.
Background technology
Gin pole is that on tower crane, the auxiliary hanging for maintenance equipment carries parts, when the parts such as lifting mechanism of tower crane break down, by gin pole, transports the maintenance that each parts are realized equipment.As shown in Figure 1, for the schematic diagram of existing a kind of gin pole, it is upper that wherein gin pole is arranged on equilibrium arm 10 ', comprises gin pole column 20 ' and gin pole crossbeam 40 ', the lifting mechanism that this gin pole does not carry, its operation relies on is the lifting rope 31 ' on the lifting mechanism 30 ' of tower crane.Lifting rope 31 ' row's rope pulley on pile warp gin pole column 20 ' and gin pole crossbeam 40 ' successively from lifting mechanism 30 ' overlap, is then connected with lifting suspension hook 90 '.Lifting rope 31 ' only has this kind of baudrier of a multiplying power on gin pole, does not convert the structure of two multiplying powers or other multiplying powers to, can not adapt to the different requirements that play liter weight, lifting velocity.
Summary of the invention
The present invention aims to provide a kind of hoisting crane and gin pole thereof, and the multiplying power of gin pole can be adjusted, to meet the different requirements that play liter weight, lifting velocity and lifting altitude.
To achieve these goals, according to an aspect of the present invention, provide a kind of gin pole, having comprised: gin pole crossbeam; And first fixed pulley assembly, be arranged on gin pole crossbeam; Free end pile warp first fixed pulley assembly of lifting rope; Gin pole also comprises the first hook assembly and the second hook assembly, and the first hook assembly is connected with the free end of lifting rope, and the second hook assembly comprises movable pulley system; Gin pole comprise first hoist multiplying power state and and the second multiplying power state that hoists; First hoists under multiplying power state, and the first hook assembly is lifting end; Second hoists under multiplying power state, and the first hook assembly is fixedly installed with respect to gin pole crossbeam, lifting rope pile warp movable pulley system, and the second hook assembly is lifting end.
Further, gin pole also comprises alignment pin, and alignment pin arranges regularly with respect to the first fixed pulley assembly, and second hoists under multiplying power state, and the first hook assembly is arranged in alignment pin.
Further, gin pole also comprises link span, and link span is arranged on gin pole crossbeam, and the first fixed pulley assembly and alignment pin are separately positioned on link span.
Further, in alignment pin, fixed cover is provided with two axle sleeves that are oppositely arranged, and the inner end at the middle part of the close alignment pin of two axle sleeves is stop end.
Further, in two axle sleeves, the stop end of each axle sleeve has stop lug, and second hoists under multiplying power state, and the first hook assembly is arranged between the stop lug of two axle sleeves.
Further, gin pole also comprises bearing, and bearing is arranged on gin pole crossbeam, and bearing has for the first positioning groove of the first fixed pulley assembly being installed and for the second positioning groove of alignment pin is installed.
Further, bearing has a plurality of, along the length direction of gin pole crossbeam, arranges, link span selectively coordinates with any one in a plurality of bearings.
Further, gin pole also comprises: gin pole column, and top is provided with gin pole crossbeam; Lifting mechanism, is arranged on gin pole column; And second fixed pulley assembly, being arranged on the end of gin pole crossbeam and near the setting of gin pole column, the second fixed pulley assembly and bearing lay respectively at the relative both sides of gin pole column; The fixed end of lifting rope is arranged on lifting mechanism, and the free end of lifting rope is pile warp the second fixed pulley assembly and the first fixed pulley assembly successively.
Further, gin pole also comprises strut member, and the first end of strut member is connected on gin pole column, and the second end of strut member is connected on gin pole crossbeam; First hoists under multiplying power state, and the second hook assembly is arranged on the first end and the connection structure between gin pole column of strut member.
According to a further aspect in the invention, provide a kind of hoisting crane, having comprised: equilibrium arm; And gin pole, be arranged on equilibrium arm; Stating gin pole is aforesaid gin pole.
Apply technical scheme of the present invention, on the gin pole crossbeam of gin pole, the first fixed pulley assembly is set, free end pile warp first fixed pulley assembly of lifting rope, gin pole also comprises movable pulley simultaneously, when the free end of lifting rope is held as lifting, gin pole is in a multiplying power state, when the free end of lifting rope is fixed with respect to gin pole crossbeam, and when movable pulley is arranged on lifting rope, gin pole is in two multiplying power states, by gin pole, between two kinds of multiplying powers, change, can adapt to the different requirements that play liter weight, lifting velocity and lifting altitude.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows according to the schematic diagram of the gin pole of prior art;
Fig. 2 shows according to an embodiment of the invention lifting rope at the first schematic diagram hoisting under multiplying power state;
Fig. 3 shows according to an embodiment of the invention lifting rope at the second schematic diagram hoisting under multiplying power state;
Fig. 4 shows the A place enlarged drawing according to Fig. 3;
Fig. 5 shows the B place enlarged drawing according to Fig. 3;
Fig. 6 shows according to the C-C of Fig. 3 to cutaway view;
Fig. 7 shows according to the D-D of Fig. 3 to cutaway view;
Fig. 8 shows alignment pin, link span and the first fixed pulley assembly according to an embodiment of the invention and forms whole schematic diagram;
Fig. 9 shows according to the E-E of Fig. 8 to cutaway view; And
Figure 10 shows the F place enlarged drawing according to Fig. 9.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
As shown in Fig. 2 to Figure 10, according to embodiments of the invention, a kind of gin pole is provided, in conjunction with referring to Fig. 2 and Fig. 3, gin pole comprises gin pole column 20, gin pole crossbeam 40, the first fixed pulley assembly 60, the first hook assembly 91 and the second hook assembly 92, wherein gin pole column 20 is arranged on equilibrium arm 10, gin pole crossbeam 40 is arranged on the top of gin pole column 20, the first fixed pulley assembly 60 is arranged on gin pole crossbeam 40, free end pile warp first fixed pulley assembly 60 of lifting rope 31 is also connected with the first hook assembly 91, by changing the baudrier of lifting rope 31 after pile warp the first fixed pulley assembly 60, can adjust the multiplying power that hoists of gin pole, and then from the different liter weights that rise, lifting velocity adapts, improve the performance of gin pole.
Specifically, lifting rope 31 is in changing the process of baudrier, gin pole forms first multiplying power state and the second multiplying power state that hoists that hoists, in conjunction with referring to Fig. 2, the first baudrier is, after free end pile warp first fixed pulley assembly 60 of lifting rope 31, with the suffered gravity of the first hook assembly 91, naturally droop, now the first hook assembly 91 is brought in and is hung loads as lifting, and gin pole is in the first multiplying power state that hoists.In conjunction with referring to Fig. 3 and Fig. 4, the second baudrier is, free end pile warp first fixed pulley assembly 60 of lifting rope 31, the first hook assembly 91 is fixing with respect to gin pole crossbeam 40, the movable pulley system of rope body pile warp second hook assembly 92 of lifting rope 31 between the first fixed pulley assembly 60 and the first hook assembly 91, now the second hook assembly 92 is brought in and is hung loads as lifting, and gin pole is in the second multiplying power state that hoists.
Here the movable pulley system of the second hook assembly 92 can comprise a movable pulley, and this movable pulley of lifting rope 31 pile warps makes gin pole form the state that hoists of two multiplying powers; The movable pulley system of the second hook assembly 92 also can comprise running block, after this running block of lifting rope 31 pile warps, according to the quantity of movable pulley in running block, correspondingly forms four multiplying powers, six multiplying powers or the more powerful state that hoists.
The first hook assembly 91 is connected with the free end of lifting rope 31, gin pole hoists while changing between multiplying power state at the first multiplying power state and second that hoists, the first hook assembly 91 does not need to remove, first hoists under multiplying power state the first hook assembly 91 directly as lifting end, second hoists under multiplying power state, the first hook assembly 91 is arranged on gin pole crossbeam 40 as the free end of lifting rope 31 and the attaching parts between gin pole crossbeam 40, has saved the trouble of repeated disassembled and assembled the first hook assembly 91.
In conjunction with referring to Fig. 4, in order conveniently to fix the first hook assembly 91, preferably, on gin pole crossbeam 40, be provided with alignment pin 70, alignment pin 70 is relative fixing with the first fixed pulley assembly 60, second hoists under multiplying power state, and the first hook assembly 91 is suspended in alignment pin 70, realizes the first hook assembly 91 fixing with respect to gin pole crossbeam 40.
In conjunction with referring to Fig. 5, in order to facilitate the installation of the first fixed pulley assembly 60 and alignment pin 70, preferably, on gin pole crossbeam 40, be provided with bearing 41, bearing 41 has the first positioning groove 411 and the second positioning groove 412, wherein the first positioning groove 411 is for installing the first fixed pulley assembly 60, the second positioning grooves 412 for alignment pin 70 is installed.
In conjunction with referring to Fig. 6 and Fig. 7, preferably, bearing 41 comprises two support plates 413 that are oppositely arranged, each support plate 413 has respectively the first positioning groove 411 and the second positioning groove 412, and the first positioning groove 411 and second positioning groove 412 of two support plates 413 of each bearing 41 are corresponding, make the easier for installation of the first fixed pulley assembly 60 and alignment pin 70.
In order to make gin pole, can realize luffing, preferably, bearing 41 has a plurality of, length direction along gin pole crossbeam 40 is arranged, alignment pin 70 and the first fixed pulley assembly 60 are done as a whole, can be selectively match with any one in a plurality of bearings 41, the bearing 41 matching by change is realized the adjustment of alignment pin 70 and first fixed pulley assembly 60 position on gin pole crossbeam 40, and then realizes the luffing of gin pole.
In conjunction with referring to Fig. 8 and Fig. 9, preferably, alignment pin 70 is connected by link span 80 with the first fixed pulley assembly 60, and link span 80 is selectively arranged on any one bearing 41 in a plurality of bearings 41.Link span 80, the first fixed pulley assembly 60 and alignment pin 70 form an integral structure, make alignment pin 70 relative fixing with the first fixed pulley assembly 60, form an integral structure simultaneously and also facilitated alignment pin 70 and the position adjustment of the first fixed pulley assembly 60 in different bearings 41.
Particularly, link span 80 comprises two connecting panels 81 that are oppositely arranged, and alignment pin 70 is located on two connecting panels 81, and the first fixed pulley assembly 60 is articulated between two connecting panels 81, simple in structure, is convenient to assembling.
In conjunction with referring to Fig. 6 and Fig. 9, second hoists under multiplying power state, the first hook assembly 91 need to be suspended in alignment pin 70, for fear of the first hook assembly 91 axially deviating from along alignment pin 70, preferably, in alignment pin 70, fixed cover is provided with the opposite end that 71, two axle sleeves 71 of two axle sleeves lay respectively at alignment pin 70, and be arranged on correspondingly the inner side of two connecting panels 81, the inner end at close alignment pin 70 middle parts of two axle sleeves 71 is respectively as stop end.Second hoists under multiplying power state; the first hook assembly 91 is suspended in alignment pin 70; and form backstop with the stop end of two axle sleeves 71 and coordinate, can prevent that the first hook assembly 91 from departing from from alignment pin 70, axle sleeve 71 can also play the effect of protection alignment pin 70 simultaneously.
Preferably, the stop end of each axle sleeve 71 has respectively stop lug 711, the stop lug 711 of two axle sleeves 71 is oppositely arranged, second the first hook assembly 91 under multiplying power state that hoists hangs in alignment pin 70 and between the stop lug 711 of two axle sleeves 71, even if there is play by a small margin in the first hook assembly 91 in alignment pin 70, owing to there being the barrier effect of two stop lug 711, the first hook assembly 91 can not come off from alignment pin 70 yet, has improved the stability of gin pole.
In conjunction with referring to Figure 10, the number of assembling steps of the first fixed pulley assembly 60, alignment pin 70 and link span 80 is:
1, oilless metal 63 is packed in the endoporus of fixed pulley 61, bearing snap spring 64 packed in the endoporus of fixed pulley 61 and prop up oilless metal 63, stop moving axially of oilless metal 63.
2, sheave shaft 62 is penetrated in the endoporus of oilless metal 63, packing ring 65 is inserted in respectively at the two ends of sheave shaft 62, then at the two ends of sheave shaft 62, is set with the first jump ring 66 for axle, stops moving axially of packing ring 65, and the first fixed pulley assembly 60 has been assembled.
3, at the two ends of sheave shaft 62, overlap respectively upper junction plate 81, make the first fixed pulley assembly 60 be positioned at the inner side of two connecting panels 81, at the two ends of sheave shaft 62, be set with the second jump ring 67 for axle, stop connecting panel 81 moving axially along sheave shaft 62.
4, two axle sleeves 71 are separately fixed to the inner side of two connecting panels 81.
5, alignment pin 70 is penetrated to two connecting panels 81 and two axle sleeves 71, the two ends of alignment pin 70 are set with the 3rd axle jump ring, stop connecting panel 81 moving axially along alignment pin 70.
6, as required link span 80 is arranged on any one bearing 41, two connecting panels 81 are positioned at two support plate 413 inner sides, and sheave shaft 62 is embedded in the first positioning groove 411, and alignment pin 70 is embedded in the second positioning groove 412.
In conjunction with referring to Fig. 2 and Fig. 3, preferably, gin pole comprises independently lifting mechanism 30, lifting mechanism 30 is arranged on gin pole column 20, the fixed end of lifting rope 31 is fixed on lifting mechanism 30, the free end of lifting rope 31 pile warp first fixed pulley assembly 60 connect the first hook assembly 91 from lifting mechanism 30 overlaps, and independently lifting mechanism 30 can make the operation of gin pole can not produce and interfere with the operation of crane arm, improved work efficiency, the reduction of erection time.
In order to adjust the rope stretching angle of lifting rope 31, preferably, gin pole crossbeam 40 is articulated with the second fixed pulley assembly 50 near the end of gin pole column 20, the second fixed pulley assembly 50 and bearing 41 are positioned at the relative both sides of gin pole column 20, the free end of lifting rope 31 successively pile warp the second fixed pulley assembly 50 is connected with the first hook assembly 91 with after the first fixed pulley assembly 60, can prevent that the phenomenon of rope skipping from appearring in lifting rope 31, reduce lifting rope 31 wearing and tearing, improve the stability of gin pole work.
Because gin pole crossbeam 40 is cantilever beam structure, in order to increase the stability of gin pole crossbeam 40, between gin pole crossbeam 40 and gin pole column 20, be connected with strut member 21, the first end of strut member 21 is connected on gin pole column 20 by the first connecting pin, and the second end of strut member 21 is connected on gin pole crossbeam 40 by the second connecting pin.First, hoist under multiplying power state, the second hook assembly 92 is suspended on the first connecting pin, conveniently takes.
Here the first connecting pin can be substituted by other attaching partss as the connection structure between strut member 21 and gin pole column 20, as long as can hang space for the second hook assembly 92 provides.
Principle of work of the present invention is:
In conjunction with referring to Fig. 2, need gin pole to hoist while working under multiplying power state first, the first hook assembly 91 is freely sagging as lifting by crane suspension hook, the second hook assembly 92 is suspended on the first connecting pin of strut member 21.The technical parameter that hoists is: hoisting capacity 0.5t, lifting altitude 100m, lifting velocity 14m/min.
In conjunction with referring to Fig. 3, need gin pole to hoist while working under multiplying power state first, movable pulley system by lifting rope 31 and first hook assembly 91 pile warp the second hook assemblies 92, then hangs over the first hook assembly 91 in alignment pin 70, and the second hook assembly 92 is as lifting suspension hook.The technical parameter that hoists is: hoisting capacity 1t, lifting altitude 50m, lifting velocity 7m/min.
The present invention also provides a kind of hoisting crane, comprises equilibrium arm 10 and gin pole, and wherein gin pole is aforesaid gin pole, and the gin pole column 20 of gin pole is arranged on equilibrium arm 10.
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect:
1, can realize the multiplying power conversion of gin pole, adapt to the different requirements that play liter weight, lifting velocity and lifting altitude.
2, simple in structure, lightweight, convenient to operation, the life-span is long.
3, can be easily installed in as required the optional position of equilibrium arm.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (10)

1. a gin pole, comprising:
Gin pole crossbeam (40); And
The first fixed pulley assembly (60), is arranged on described gin pole crossbeam (40);
The first fixed pulley assembly (60) described in the free end pile warp of lifting rope (31);
It is characterized in that, described gin pole also comprises the first hook assembly (91) and the second hook assembly (92), and described the first hook assembly (91) is connected with the described free end of described lifting rope (31), and described the second hook assembly (92) comprises movable pulley system;
Described gin pole comprise first hoist multiplying power state and and the second multiplying power state that hoists;
Described first hoists under multiplying power state, and described the first hook assembly (91) is lifting end;
Described second hoists under multiplying power state, and described the first hook assembly (91) is fixedly installed with respect to described gin pole crossbeam (40), movable pulley system described in described lifting rope (31) pile warp, and described the second hook assembly (92) is lifting end.
2. gin pole according to claim 1, it is characterized in that, described gin pole also comprises alignment pin (70), described alignment pin (70) arranges regularly with respect to described the first fixed pulley assembly (60), described second hoists under multiplying power state, and described the first hook assembly (91) is arranged in described alignment pin (70).
3. gin pole according to claim 2, it is characterized in that, described gin pole also comprises link span (80), it is upper that described link span (80) is arranged on described gin pole crossbeam (40), and described the first fixed pulley assembly (60) and described alignment pin (70) are separately positioned on described link span (80).
4. gin pole according to claim 3, is characterized in that, the upper fixed cover of described alignment pin (70) is provided with two axle sleeves (71) that are oppositely arranged, and the inner end at the middle part of the close described alignment pin (70) of described two axle sleeves (71) is stop end.
5. gin pole according to claim 4, it is characterized in that, in described two axle sleeves (71), the described stop end of each axle sleeve (71) has stop lug (711), described second hoists under multiplying power state, and described the first hook assembly (91) is arranged between the described stop lug (711) of described two axle sleeves (71).
6. gin pole according to claim 3, it is characterized in that, described gin pole also comprises bearing (41), it is upper that described bearing (41) is arranged on described gin pole crossbeam (40), and described bearing (41) has for first positioning groove (411) of described the first fixed pulley assembly (60) being installed and for second positioning groove (412) of described alignment pin (70) is installed.
7. gin pole according to claim 6, is characterized in that, described bearing (41) has a plurality of, along the length direction of described gin pole crossbeam (40), arranges, described link span (80) selectively coordinates with any one in described a plurality of bearings (41).
8. gin pole according to claim 6, is characterized in that, described gin pole also comprises:
Gin pole column (20), top is provided with described gin pole crossbeam (40);
Lifting mechanism (30), is arranged on described gin pole column (20); And
The second fixed pulley assembly (50), is arranged on the end of described gin pole crossbeam (40) and arranges near described gin pole column (20), and described the second fixed pulley assembly (50) and described bearing (41) lay respectively at the relative both sides of described gin pole column (20);
It is upper that the fixed end of described lifting rope (31) is arranged on described lifting mechanism (30), and the described free end of described lifting rope (31) is the second fixed pulley assembly (50) and described the first fixed pulley assembly (60) described in pile warp successively.
9. gin pole according to claim 8, is characterized in that,
Described gin pole also comprises strut member (21), and it is upper that the first end of described strut member (21) is connected to described gin pole column (20), and the second end of described strut member (21) is connected on described gin pole crossbeam (40);
Described first hoists under multiplying power state, and described the second hook assembly (92) is arranged on the first end and the connection structure between described gin pole column (20) of described strut member (21).
10. a hoisting crane, comprising:
Equilibrium arm (10); And
Gin pole, is arranged on described equilibrium arm (10);
It is characterized in that, described gin pole is the gin pole described in any one in claim 1 to 9.
CN201310652739.6A 2013-12-05 2013-12-05 Crane and gin pole thereof Active CN103663171B (en)

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Application Number Priority Date Filing Date Title
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CN103663171B CN103663171B (en) 2015-06-24

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104030172A (en) * 2014-06-19 2014-09-10 中联重科股份有限公司 Derrick mast mechanism and tower crane
CN104762966A (en) * 2015-04-13 2015-07-08 广西大学 Working tower frame of drilling cast-in-place pile machine
CN105417422A (en) * 2015-11-27 2016-03-23 中建钢构有限公司 Movable independent derrick mast lifting device and lifting method thereof

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Publication number Priority date Publication date Assignee Title
JPS6155092A (en) * 1984-08-22 1986-03-19 Hitachi Construction Machinery Horizontal pull-in device for hung load of jib derrick type crane
EP0876989A1 (en) * 1997-04-30 1998-11-11 Cap Bleu Conseil Rotatable, demountable and pliable loading mast
WO2012058476A1 (en) * 2010-10-28 2012-05-03 Michael Narcisco Portable derrick system, apparatus & methods
CN202953750U (en) * 2012-12-21 2013-05-29 中联重科股份有限公司 Hoisting derrick mast and tower crane with same
CN103232001A (en) * 2013-05-14 2013-08-07 中联重科股份有限公司 Grabbing rod structure of crane, and crane with grabbing rod structure
CN203295075U (en) * 2013-06-24 2013-11-20 中联重科股份有限公司 Derrick mast device of crane and crane with same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6155092A (en) * 1984-08-22 1986-03-19 Hitachi Construction Machinery Horizontal pull-in device for hung load of jib derrick type crane
EP0876989A1 (en) * 1997-04-30 1998-11-11 Cap Bleu Conseil Rotatable, demountable and pliable loading mast
WO2012058476A1 (en) * 2010-10-28 2012-05-03 Michael Narcisco Portable derrick system, apparatus & methods
CN202953750U (en) * 2012-12-21 2013-05-29 中联重科股份有限公司 Hoisting derrick mast and tower crane with same
CN103232001A (en) * 2013-05-14 2013-08-07 中联重科股份有限公司 Grabbing rod structure of crane, and crane with grabbing rod structure
CN203295075U (en) * 2013-06-24 2013-11-20 中联重科股份有限公司 Derrick mast device of crane and crane with same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104030172A (en) * 2014-06-19 2014-09-10 中联重科股份有限公司 Derrick mast mechanism and tower crane
CN104030172B (en) * 2014-06-19 2016-01-20 中联重科股份有限公司 Gin-pole mechanism and tower crane
CN104762966A (en) * 2015-04-13 2015-07-08 广西大学 Working tower frame of drilling cast-in-place pile machine
CN105417422A (en) * 2015-11-27 2016-03-23 中建钢构有限公司 Movable independent derrick mast lifting device and lifting method thereof
CN105417422B (en) * 2015-11-27 2019-01-11 中建钢构有限公司 A kind of packaged type independence derrick mast hoisting device and its hanging method

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Address after: 415106 Dingcheng City, Changde Province, the town of irrigation district ZOOMLION Creek Industrial Park

Patentee after: Zoomlion Heavy Industry Science & Technology Development Co., Ltd.

Address before: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No.

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Address after: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No.

Patentee after: Zoomlion Heavy Industry Science & Technology Development Co., Ltd.

Address before: 415106 Dingcheng City, Changde Province, the town of irrigation district ZOOMLION Creek Industrial Park

Patentee before: Zoomlion Heavy Industry Science & Technology Development Co., Ltd.