CN202953750U - Hoisting derrick mast and tower crane with same - Google Patents

Hoisting derrick mast and tower crane with same Download PDF

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Publication number
CN202953750U
CN202953750U CN 201220714946 CN201220714946U CN202953750U CN 202953750 U CN202953750 U CN 202953750U CN 201220714946 CN201220714946 CN 201220714946 CN 201220714946 U CN201220714946 U CN 201220714946U CN 202953750 U CN202953750 U CN 202953750U
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CN
China
Prior art keywords
folded
fixed
gin pole
fixed beam
crossbeam
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Expired - Lifetime
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CN 201220714946
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Chinese (zh)
Inventor
吴志纯
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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 CN 201220714946 priority Critical patent/CN202953750U/en
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Abstract

The embodiment of the utility model discloses a hoisting derrick mast. The hoisting derrick mast comprises a strut, a rotary column, a cross beam and a pulley block, wherein the rotary column is connected to the top end of the strut in a rotatable manner; the pulley block is arranged on the cross beam; the cross beam comprises a fixed beam and a folded beam; one end of the fixed beam is fixed on the rotary column; one end of the folded beam is connected with the other end of the fixed beam in a rotatable manner; the folded beam has folded and unfolded states relative to the fixed beam; and the folded beam is folded relative to the fixed beam in the folded state, and is on a same straight line with the fixed beam in the unfolded state. The hoisting derrick mast has the beneficial effects that through rotation of the folded beam relative to the fixed beam, the cross beam can be folded and unfolded, and thus the hoisting derrick mast has different length to adapt to operational requirements of different operating radii. The utility model also discloses a tower crane with the hoisting derrick mast.

Description

Lifting gin pole and there is the tower crane of this lifting gin pole
Technical field
The utility model relates to the construction hoisting machinery field, particularly about a kind of tower crane that lifts gin pole and have this lifting gin pole.
Background technology
Arm tower crane in use, breaks down because a variety of causes may cause lifting mechanism or luffing structure parts, and processing needs repairing.Therefore, for ease of mechanism's parts maintenance lifting, need near arm tower crane, design lifting gin pole for maintenance.Gin pole generally includes a pillar and is rotatably mounted on the crossbeam on pillar top, is provided for installing the pulley of hoisting rope on crossbeam.
Reach greatly the impacts such as A cabinet frame hound structure due to the arm tower crane size, cause the rotary space of gin pole crossbeam very limited.And the crossbeam length of existing gin pole is longer, the radius of turn of gin pole is large, and work interferes with the A cabinet frame of arm tower crane etc. often, thereby can't reach the purpose of convenient for maintaining.
Given this, be necessary to provide a kind of better gin pole, to replace current gin pole, when making it meet basic function, and can realize the adjustment of gin pole radius of turn size, meet the job requirement of the long distance lifting of gin pole when avoiding between gin pole and other parts interfering, be applicable to the parts maintenance lifting of multiple rotary space.
The utility model content
In view of this, the utility model embodiment provides a kind of lifting gin pole, and it can realize the adjustment of radius of turn size, avoid and other parts between interference.
The utility model embodiment provides a kind of lifting gin pole, comprise pillar, revolve post, crossbeam and assembly pulley, describedly revolve the top that post is connected in described pillar rotationally, described assembly pulley is arranged on described crossbeam, described crossbeam comprises fixed beam and folded beam, described fixed beam one end is fixed in described revolving on post, described folded beam one end is connected in the other end of described fixed beam rotationally, the relatively described fixed beam of described folded beam has folding and expansion two states, described folded beam is when folded state, the relatively described fixed beam of described folded beam is folded up, described folded beam is when deployed condition, described folded beam and described fixed beam are on same straight line.
Further, described assembly pulley comprises dead sheave and mobile pulley, and described dead sheave is fixed on described crossbeam, and described mobile pulley is connected on described crossbeam slidably along the length direction of described crossbeam.
Further, described fixed beam comprises the first beam face that is positioned at bottom and the second beam face that is positioned at top, described the first beam face and described the second beam face extend along the length direction of described crossbeam, the junction of described folded beam and described fixed beam is positioned on described the first beam face, and described folded beam rotates in perpendicular with respect to described fixed beam and be folding towards described the first beam face.
Further, the junction of described folded beam and described fixed beam is positioned at one of them side of described fixed beam, and described folded beam rotates in horizontal surface with respect to described fixed beam and towards the side-foldable of described fixed beam.
Further, described lifting gin pole also comprises the first latching device, described the first latching device is arranged between described fixed beam and described folded beam, and described the first latching device is locked described folded beam and described fixed beam during in deployed condition on same straight line at described folded beam.
Further, described the first latching device comprises a plurality of bolts, and described a plurality of bolts are fixed in the other end of described fixed beam, and described folded beam one end correspondence is offered the through hole that described a plurality of bolts are installed.
Further, described lifting gin pole also comprises the second latching device, and described the second latching device is connected in the described other end that revolves post and described folded beam, and it is folded state that described the second latching device is locked described folded beam at described folded beam during in folded state.
Further, described the second latching device is chain.
Further, described folded beam one end is connected in the other end of described fixed beam rotationally by bearing pin.
The utility model embodiment also provides a kind of tower crane, and above-mentioned lifting gin pole is installed on described tower crane.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is: the lifting gin pole that above-described embodiment provides is by folded beam rotating relative to fixed beam, can realize the folding of crossbeam and open, thereby obtain the lifting gin pole of different length, to adapt to the work requirements of different work radius.Due to the variable-length of crossbeam, avoid a plurality of lifting gin poles are installed on same tower crane, reduced the maintenance lifting use cost of tower crane production, traffic cost and mechanism, improved the convenience of tower crane maintenance.
The accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the lifting gin pole that provides of the utility model embodiment;
Fig. 2 is another structural representation of the lifting gin pole that provides of the utility model embodiment;
Fig. 3 is the structural representation of the folded state of the lifting gin pole that provides of the utility model embodiment;
Fig. 4 is the structural representation of the deployed condition of the lifting gin pole that provides of the utility model embodiment.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Fig. 1 and Fig. 2 are the structural representations of the lifting gin pole 100 that provides of the utility model embodiment, and lifting gin pole 100 carries out lifting operation for a tower crane (not shown) to the mechanism's parts that need repairing.Please refer to Fig. 1 and Fig. 2, lifting gin pole 100 comprises pillar 10, revolves post 20, crossbeam 30, assembly pulley 40, the first latching device 50, the second latching device 60, pulley locating dowel pin 70 and revolve post locating dowel pin 80.Revolve post 20 and be connected in rotationally the top of pillar 10.An end near revolving post 20 of crossbeam 30 is fixed in and revolves on post 20.Assembly pulley 40 is arranged on crossbeam 30.The first latching device 50 is for locking the straight configuration of crossbeam 30.Pulley locating dowel pin 70 is for locking the position of assembly pulley 40 on crossbeam 30.Revolve post locating dowel pin 80 and revolve the position of rotation of post 20 relative pillars 10 for locking.
Pillar 10 bottoms can be fixed on the equilibrium arm of tower crane by bolt (not shown) etc.Pillar 10 is hollow cylinder structure, and inside is cavity, and the top of pillar 10 is sheathed on revolves on post 20.The sidewall of pillar 10 is offered the through hole 11 for location.On pillar 10, also install for transmitting the fixed pulley 8 of hoisting rope 9
Revolve the cylinder of bottom for coordinating with the cavity of pillar 10 of post 20, this cylinder inserts in the cavity on pillar 10 tops, makes to revolve post 20 and can rotate in the cavity of pillar 10.The top of revolving post 20 is fixedly connected with crossbeam 30, by rotation revolve post 20 can change crossbeam 30 towards.Revolve post 20 along circumferentially offering a plurality of post knock hole (not shown) of revolving.
Crossbeam 30 comprises fixed beam 31 and folded beam 32.Fixed beam 31 1 ends are fixed in and revolve on post 20, and the end 31a near revolving post 20 of fixed beam 31 is fixed in and revolves on post 20.One end 32a of folded beam 32 is connected in the other end 31e of fixed beam 31 rotationally by bearing pin 15, bearing pin 15 is perpendicular to the length direction of fixed beam 31.Fixed beam 31 comprises the first beam face 31b that is positioned at bottom and the second beam face 31c that is positioned at top, the first beam face 31b and the second beam face 31c extend along the length direction of crossbeam 30, and the first beam face 31b and the second beam face 31c are lower surface and the upper surface of described fixed beam 31.The first beam face 31b with revolve post 20 and be fixedly connected with.Fixed beam 31 is also offered groove 31d along the length direction of crossbeam 30, and groove 31d runs through the first beam face 31b and the second beam face 31c up and down, and groove 31d is for moving up and down for hoisting rope 9.
Folded beam 32 is connected in the other end 31e of fixed beam 31 rotationally near an end 32a of fixed beam 31 by bearing pin 15.The junction of folded beam 32 and fixed beam 31 is positioned at the bottom position of fixed beam 31, is also that the position of bearing pin 15 is positioned at the first beam face 31b above, and folded beam 32 can rotate around bearing pin 15 and be folding towards the first beam face 31b in perpendicular, as shown in Figure 3.
In order after folded beam 32 launches, to keep folded beam 32 and fixed beam 31 in same linear state, the first latching device 50 is arranged between fixed beam 31 and folded beam 32, when folded beam 32 launches, folded beam 32 and fixed beam 31 are locked, make fixed beam 31 and folded beam 32 coaxial, as shown in Figure 4.In present embodiment, the first latching device 50 is the bolt group, the first latching device 50 comprises four bolts, and four bolts are individually fixed on four angles of other end 31e of fixed beam 31, and folded beam 32 is offered four through hole 32b of hold-down bolt near an end 32a correspondence of fixed beams 31.When folded beam 32 is expanded to when coaxial with fixed beam 31, be bolted folded beam 32, make fixed beam 31 and folded beam 32 on same straight line.
Certainly, in other embodiments, the first latching device 50 can be also buckle and notch, or latch and jack structure etc. other folded beam 32 can be fixed to the structure of fixed beam 31.
Understandably, folded beam 32 also can be positioned on one of them side of fixed beam 31 with the junction of fixed beam 31, the position that is about to bearing pin 15 is arranged on one of them side of fixed beam 31, and now folded beam 32 can rotate with respect to fixed beam 31 and towards the side-foldable of fixed beam 31 in horizontal surface.
The folded beam 32 of the second latching device 60 during for the fixed fold state.The second latching device 60 is connected between the other end 32c that revolves post 20 and folded beam 32, by folded beam 32 lockings, is folded state.In present embodiment, the second latching device 60 is chain, revolves on post 20 and offers fixed orifice 20a, and an end of chain is fixed in fixed orifice 20a, the other end of chain tacks the other end 32c of the folded beam 32 in folded state, makes folded beam 32 remain on folded state.
Certainly, in other embodiments, the second latching device 60 can be also other mechanisms such as card falcon or suspension hook.
Assembly pulley 40 comprises dead sheave 41 and mobile pulley 42.Dead sheave 41 is fixed on crossbeam 30, and mobile pulley 42 is connected on crossbeam 30 slidably along the length direction of crossbeam 30.Dead sheave 41 is fixed in a close end 31a who revolves post 20 of fixed beam 31.Mobile pulley 42 comprises pulley base 42a, and pulley base 42a is sheathed on crossbeam 30 slidably.
Pulley locating dowel pin 70 is for the position of dead sheave seat 42a on crossbeam 30.In order to coordinate described pulley locating dowel pin 70, offer a plurality of pulley knock hole 30a that can coordinate with pulley locating dowel pin 70 along the length direction of crossbeam 30 on fixed beam 31 and folded beam 32, pulley knock hole 30a is positioned on the relative two sides of fixed beam 31 and folded beam 32.Certainly, in other embodiments, pulley knock hole 30a also can be opened on the first beam face 31b and the second beam face 31c.When mobile pulley 42 moves to desired location, pulley locating dowel pin 70 passes pulley base 42a and is fixed on the pulley knock hole 30a of this desired location centering and goes up, thus the locking position of mobile pulley 42 on crossbeam 30.
Revolve post locating dowel pin 80 turning to for fixed cross beam 30.When revolve post 20 with respect to pillar 10 rotation make crossbeam 30 arrive required towards the time, revolve post locating dowel pin 80 through the through hole 11 of pillar 10 and be fixed on and revolve corresponding with this position on post 20 one and revolve in the post knock hole, thereby the turned position of post 20 at pillar 10 revolved in locking, also now revolve post locating dowel pin 80 and be inserted in through hole 11 and revolve in the post knock hole, prevent from revolving the relative pillar 10 of post 20 and continue rotation.
Please refer to the drawing 3, when the structure parts of tower crane need repairing lifting, group loosers a bolt, folded beam 32 overturns downwards, make folded beam 32 in the folded state shown in Fig. 3, and with the second latching device 60, folded beam 32 is hung up properly, now, lifting gin pole 100 radius of turns are little, can meet the job requirements in little space and can not interfere with other parts.While carrying out lifting operation, revolve post 20 to needing the lifting angle, and fixedly revolve post 20 with revolving post locating dowel pin 80; Regulate mobile pulley 42 to the top that need pull down mechanism's parts 200, and with the fixing mobile pulley 42 of pulley locating dowel pin 70; Wear around hoisting rope 9 and suspender (not shown), remove to need the maintenance parts, band carries to rotate to and is applicable to after angle unloading needing Awaiting Parts.
Please refer to the drawing 4, when needs extend lifting gin pole 100, take the second latching device 60 apart, folded beam 32 upwards overturns, lock bolt group (the first latching device 50), coaxially be fixedly connected with folded beam 32 to be integral with fixed beam 31, makes folded beam 32 in the deployed condition shown in Fig. 4.Now, lifting gin pole 100 radius of turns are large, can meet the lifting work of long distance, guarantee need maintenance parts 200 are lifted into to the equilibrium arm outside and are placed on the ground maintenance platform.Now, readjust mobile pulley 42 to correct position, fixing with pulley locating dowel pin 70, lifting maintenance parts 200 are to maintenance platform.
The lifting working process of parts maintenance and installation gets final product by anti-order.
In sum, the lifting gin pole 100 that the utility model embodiment proposes, rotate relative to the upset of fixed beam 31 by folded beam 32, can realize the folding of crossbeam 30 and launch, thereby obtain the lifting gin pole 100 of different length, adapt to the work requirements of different work radius.Due to the variable-length of crossbeam 30, avoid a plurality of lifting gin poles are installed on same tower crane, reduced the maintenance lifting use cost of tower crane production, traffic cost and mechanism, improved the convenience of tower crane maintenance.
The utility model embodiment also provides a kind of tower crane, and above-mentioned lifting gin pole 100 is installed on this tower crane, and lifting gin pole 100 can be arranged on the equilibrium arm of tower crane.By the folding and expansion of folded beam 32 relative fixed beams 31, can obtain the lifting gin pole of different length, adapt to the work requirements of different work radius.Other structures of this tower crane are well known to those skilled in the art, and are not repeated herein.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make the process, method, article or the equipment that comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or equipment.In the situation that not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (10)

1. a lifting gin pole, comprise pillar, revolve post, crossbeam and assembly pulley, describedly revolve the top that post is connected in described pillar rotationally, described assembly pulley is arranged on described crossbeam, it is characterized in that, described crossbeam comprises fixed beam and folded beam, described fixed beam one end is fixed in described revolving on post, described folded beam one end is connected in the other end of described fixed beam rotationally, the relatively described fixed beam of described folded beam has folding and expansion two states, described folded beam is when folded state, the relatively described fixed beam of described folded beam is folded up, described folded beam is when deployed condition, described folded beam and described fixed beam are on same straight line.
2. lifting gin pole as claimed in claim 1, it is characterized in that: described assembly pulley comprises dead sheave and mobile pulley, described dead sheave is fixed on described crossbeam, and described mobile pulley is connected on described crossbeam slidably along the length direction of described crossbeam.
3. lifting gin pole as claimed in claim 1, it is characterized in that: described fixed beam comprises the first beam face that is positioned at bottom and the second beam face that is positioned at top, described the first beam face and described the second beam face extend along the length direction of described crossbeam, the junction of described folded beam and described fixed beam is positioned on described the first beam face, and described folded beam rotates in perpendicular with respect to described fixed beam and be folding towards described the first beam face.
4. lifting gin pole as claimed in claim 1, it is characterized in that: the junction of described folded beam and described fixed beam is positioned at one of them side of described fixed beam, and described folded beam rotates in horizontal surface with respect to described fixed beam and towards the side-foldable of described fixed beam.
5. lifting gin pole as claimed in claim 1, it is characterized in that: described lifting gin pole also comprises the first latching device, described the first latching device is arranged between described fixed beam and described folded beam, and described the first latching device is locked described folded beam and described fixed beam during in deployed condition on same straight line at described folded beam.
6. lifting gin pole as claimed in claim 5, it is characterized in that: described the first latching device comprises a plurality of bolts, and described a plurality of bolts are fixed in the other end of described fixed beam, described folded beam one end correspondence is offered the through hole that described a plurality of bolts are installed.
7. lifting gin pole as claimed in claim 5, it is characterized in that: described lifting gin pole also comprises the second latching device, described the second latching device is connected in the described other end that revolves post and described folded beam, and it is folded state that described the second latching device is locked described folded beam at described folded beam during in folded state.
8. lifting gin pole as claimed in claim 7, it is characterized in that: described the second latching device is chain.
9. lifting gin pole as claimed in claim 1, it is characterized in that: described folded beam one end is connected in the other end of described fixed beam rotationally by bearing pin.
10. a tower crane, is characterized in that: lifting gin pole as described as claim 1 to 9 any one is installed on described tower crane.
CN 201220714946 2012-12-21 2012-12-21 Hoisting derrick mast and tower crane with same Expired - Lifetime CN202953750U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103663171A (en) * 2013-12-05 2014-03-26 中联重科股份有限公司 Crane and gin pole thereof
CN104030172A (en) * 2014-06-19 2014-09-10 中联重科股份有限公司 Derrick mast mechanism and tower crane
CN108516475A (en) * 2018-05-22 2018-09-11 徐州维尔力德重工科技有限公司 A kind of crane subsidiary arm for being exclusively used in shield machine and turning over operation
CN108687968A (en) * 2018-05-12 2018-10-23 曾小真 A kind of bridge construction scene perforating device
CN109552991A (en) * 2018-11-26 2019-04-02 中国船舶重工集团公司第七〇九研究所 The ship-to-ship cargo transportation device and its conveyer method hung based on ship expert
CN109835820A (en) * 2019-03-29 2019-06-04 邯郸职业技术学院 Wall hanging hoisting apparatus
CN116443745A (en) * 2023-06-16 2023-07-18 杭州未名信科科技有限公司 Tower crane system and control method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103663171A (en) * 2013-12-05 2014-03-26 中联重科股份有限公司 Crane and gin pole thereof
CN103663171B (en) * 2013-12-05 2015-06-24 中联重科股份有限公司 Crane and gin pole thereof
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
CN108687968A (en) * 2018-05-12 2018-10-23 曾小真 A kind of bridge construction scene perforating device
CN108516475A (en) * 2018-05-22 2018-09-11 徐州维尔力德重工科技有限公司 A kind of crane subsidiary arm for being exclusively used in shield machine and turning over operation
CN109552991A (en) * 2018-11-26 2019-04-02 中国船舶重工集团公司第七〇九研究所 The ship-to-ship cargo transportation device and its conveyer method hung based on ship expert
CN109835820A (en) * 2019-03-29 2019-06-04 邯郸职业技术学院 Wall hanging hoisting apparatus
CN116443745A (en) * 2023-06-16 2023-07-18 杭州未名信科科技有限公司 Tower crane system and control method
CN116443745B (en) * 2023-06-16 2023-10-20 杭州未名信科科技有限公司 Tower crane system and control method

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Granted publication date: 20130529