CN106144912A - Arm method and apparatus is torn in ultra-large type tower crane high-altitude open - Google Patents

Arm method and apparatus is torn in ultra-large type tower crane high-altitude open Download PDF

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Publication number
CN106144912A
CN106144912A CN201610580239.XA CN201610580239A CN106144912A CN 106144912 A CN106144912 A CN 106144912A CN 201610580239 A CN201610580239 A CN 201610580239A CN 106144912 A CN106144912 A CN 106144912A
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CN
China
Prior art keywords
arm
frame
altitude
joint
dismounting
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.)
Pending
Application number
CN201610580239.XA
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Chinese (zh)
Inventor
宁少慧
周瑜
曹帅
邱加友
姚艳萍
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Taiyuan University of Science and Technology
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Taiyuan University of Science and Technology
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Priority to CN201610580239.XA priority Critical patent/CN106144912A/en
Publication of CN106144912A publication Critical patent/CN106144912A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/16Cranes 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 with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/62Constructional features or details

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

The present invention proposes a kind of ultra-large type tower crane high-altitude and tears arm method open, is moved along it direction in the both sides of amplitude variation trolley and is articulated with and is positioned at the side arm above tower arm and after-frame, is provided with the locking device adjusting its angle between side arm and after-frame;Move amplitude variation trolley to the previous joint arm of the joint arm to be removed of tower arm, described after-frame is affixed with this previous joint arm by take-up device, hoist rope pile warp side arm in tower crane is fixed in the middle position of joint arm to be removed, so that hoist rope is with this, joint arm is vertical strains with locking device for regulation take-up device;Dismantle this joint arm, start lifting mechanism and this joint arm is transferred;When saving arm dismounting to counterweight when affecting the balance between tower arm and counter-jib, on lifting mechanism alternately dismounting joint arm and counter-jib.The present invention also proposes a kind of high-altitude and tears arm equipment open, and when reducing the dismounting of tower arm high-altitude, the stress of hoist rope, strengthens the stability of unloading process, improves removal efficiency.

Description

Arm method and apparatus is torn in ultra-large type tower crane high-altitude open
Technical field
The present invention relates to the dismounting field of the tower arm of ultra-large type tower crane, particularly relate to a kind of ultra-large type tower crane and dismantle in high-altitude The method and apparatus of tower arm.
Background technology
In urban construction and engineering construction, ultra-large type derrick cranes more than 280 tons of rice uses the most frequent.Super large Type tower crane is during using and dismantling, and due to restriction or the needs of special operation condition of environment, the crane arm of overlength causes Tower can not drop in tower crane the most voluntarily, simultaneously because the reason inconvenience such as the lifting altitude height of large-scale tower crane, job site narrow field Use super-tonnage autocrane carries out coordinating dismounting, and therefore big, dismounting is dismantled in dismounting existence in ultra-large type tower crane high-altitude The problems such as cost is high, removal efficiency is low;Simultaneously when special operation condition, need to convert jib length combination, and now tower crane needs Reinstall, cause cycle length, high in cost of production problem.
Presently, there are the arm disassembly device of a kind of single-side stand inclined support structure, this arm disassembly device is arranged on final section to be removed At the top boom of the previous joint crane arm of crane arm, the hoist rope in tower crane walks around the leading block of provision for disengagement with last One joint crane arm is fixed, and starts the lifting mechanism tension hoist rope in tower crane, is then removed by top boom bearing pin, then transfer Hoist rope, until final section crane arm is transferred to remove lower boom bearing pin during plumbness, it is achieved final section lifting The dismounting of arm;Utilize the aforesaid way dismounting successively to the final section crane arm in tower crane.But this arm disassembly device with wait to tear open The top boom of crane arm is fixed, and utilizes hoist rope and crane arm to be torn open to be fixed realize aerial dismounting and transfer, Due to the limitation of self structure, arm disassembly device fixed form is unreliable, and hoist rope stress is big, unbalanced, unloading process The problems such as instability, efficiency is low, safety is low, and poor universality, Fit Models are limited.
Summary of the invention
The present invention proposes a kind of ultra-large type tower crane high-altitude and tears arm method and apparatus open, solves tower arm high-altitude in prior art and tears open When unloading, hoist rope stress is big, unbalanced;The problem that unloading process is unstable and removal efficiency is low.
The technical scheme is that and be achieved in that:
Arm method is torn in a kind of ultra-large type tower crane high-altitude open, is moved along it direction in the both sides of amplitude variation trolley and is articulated with and is positioned at above tower arm Side arm and after-frame, be provided with between side arm and after-frame adjust its angle locking device;Mobile amplitude variation trolley is to tower arm On the previous joint arm of joint arm to be removed, described after-frame is affixed with this previous joint arm by take-up device, hoisting in tower crane Steel wire rope pile warp side arm is fixed in the middle position of joint arm to be removed, and regulation take-up device and locking device are so that the steel that hoists Joint arm is vertical strains with this for cord;Dismantle this joint arm, then start lifting mechanism and this joint arm is transferred;
When saving arm dismounting and extremely affecting the balance between tower arm and counter-jib, on lifting mechanism alternately dismounting joint arm and counter-jib Counterweight.
Preferably, described ultra-large type tower crane high-altitude is torn open in arm method, when there is long draw on joint arm to be removed, First dismantle long draw, then dismantle this joint arm;The dismounting mode of long draw is: is moved by amplitude variation trolley to long draw place and saves arm On previous joint arm, first the pulley of the tower top of described hoist rope pile warp tower crane is connected with long draw dismounting arm-tie, then will Long draw is removed with tower cap, completes the dismounting of long draw;Secondly, according to the method for dismounting of joint arm, the joint arm at long draw place is torn open Unload;Finally the long draw after dismounting and the joint arm after dismounting are together transferred.
Preferably, described ultra-large type tower crane high-altitude is torn open in arm method, with the pivot of the side arm of described amplitude variation trolley pivot joint Connect superposition at the pivot points of position and after-frame, and be connected with this amplitude variation trolley.
Preferably, described ultra-large type tower crane high-altitude is torn open in arm method, and described side arm is front man-like shelf;Described after-frame is Rear man-like shelf.
Preferably, described ultra-large type tower crane high-altitude is torn open in arm method, and described front man-like shelf and rear man-like shelf all use Flanged (FLGD) standard knot.
A kind of equipment tearing arm method for realizing above-mentioned ultra-large type tower crane high-altitude open, including hoist rope and lifting machine Structure, also includes side arm, after-frame, locking device and take-up device, described side arm and the after-frame equal pivot of the direction of motion along amplitude variation trolley It is connected on its both sides, and is positioned at the top of tower arm;Described locking device is arranged between side arm and after-frame, before locking regulating Angle between frame and after-frame;Described take-up device is arranged on described after-frame, for after-frame and tower arm being fixed;Described hoist Side arm described in steel wire rope pile warp is connected with the middle position of joint arm to be removed, and has vertical tension in junction;Described Lifting mechanism drives described hoist rope.
Preferably, described ultra-large type tower crane high-altitude is torn open in arm equipment, and described side arm is front man-like shelf;Described after-frame is Rear man-like shelf.
Preferably, described ultra-large type tower crane high-altitude is torn open in arm equipment, and described locking device is a spiral locking steel wire Rope, one end of this rope is connected with the top of side arm, and the other end is connected with the top of after-frame.
Preferably, described ultra-large type tower crane high-altitude is torn open in arm equipment, and described side arm and after-frame are superimposed upon described luffing Articulated section on dolly.
Preferably, described ultra-large type tower crane high-altitude is torn open in arm equipment, and front man-like shelf and rear man-like shelf all use band method Blue standard knot.
The invention have the benefit that arm method is torn in the high-altitude that the present invention proposes open, utilize be arranged on amplitude variation trolley to lead to High-altitude tower arm is dismantled by side arm and the after-frame of crossing locking device connection, and hoist rope is by side arm and joint arm to be removed Connect, improve the harmony of hoist rope stress and the stability that joint arm to be removed is fixing;Have only to adjust locking device and Take-up device, so that it may reach the steel wire rope vertical tension with joint arm to be removed that adjusts hoisting, and hoist rope is fixed on The middle position of joint arm to be removed, reduces the stress of hoist rope, it is to avoid big rocking occurs in joint arm to be removed, and solves tower Arm self tilting moment impact on lineoutofservice signal pull, it is ensured that at dismounting and decentralization process hoist rope tension equalizer, from being subject to Power controls the whole unloading process stability of upper raising.With take-up device, the previous joint arm of after-frame and joint arm to be removed is fixed, While improving lifting enabling capabilities, improve reliability and the safety of unloading process.
Arm equipment is torn in the high-altitude that the present invention proposes open, improves and installs fixing reliability and simplification, improves dismounting further Efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used To obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the dismounting schematic diagram of Section of eight arm in the embodiment of the present invention;
Fig. 2 is the dismounting schematic diagram of the long draw of Section of six arm in the embodiment of the present invention;
Fig. 3 is the dismounting schematic diagram of Section of six arm in Fig. 2;
Fig. 4 is the dismounting schematic diagram of the counterweight on counter-jib during Section of five arm of dismounting;
Fig. 5 is the side schematic view that in the present invention, arm equipment is torn in ultra-large type tower crane high-altitude open;
Fig. 6 is the assembling schematic diagram of side arm and after-frame in Fig. 5.
In figure:
1, amplitude variation trolley;2, side arm;3, after-frame;4, locking device;5, take-up device;6, hoist rope;7, Section of eight arm;8、 Section seven, arm;9, Section of six arm;10, Section of five arm;11, Section of four arm;12, long draw;13, counterweight;14, tower cap.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise Embodiment, broadly falls into the scope of protection of the invention.
Illustrate as a example by having eight joint arms in tower arm, Section of six arm has long draw.
Embodiment: utilize a kind of ultra-large type tower crane high-altitude of the present invention to tear arm method open and remove Section of eight arm of tower arm, such as Fig. 1 Shown in, amplitude variation trolley 1 being moved to Section of seven arm 8, after-frame 3 is by take-up device and Section of seven fixing connection of arm 8, in tower arm The pulley on hoist rope 6 pile warp side arm 2 top carried is connected to the middle position of Section of eight arm 7;Strained by regulation Device 5 regulates the height between after-frame and Section of eight arm 7, regulates the angle between side arm 2 and after-frame 3 by regulation locking device 4 Degree so that the hoist rope 6 of pile warp side arm top sheave with Section eight tower arm 7 is vertical strains;Remove the upper of Section of eight arm of dismounting Connection bearing pin on chord member and lower boom, finally starts lifting mechanism and is vertically transferred by Section of eight arm.
Side arm and after-frame are fixed with amplitude variation trolley, and available tower crane self jib lubbing mechanism realizes the movement in tower arm, nothing Needing repeated removal and fix, vertical tension lifting tower arm makes the dismounting of lower bearing pin more simply simultaneously, improves and dismantles effect in the air Rate.When the top-bottom chord of tower arm is dismantled, the pulling force that only need to slightly adjust hoisting can be removed easily, saves dismounting top boom bearing pin The process that rear crane arm rotates around lower boom bearing pin, dismounting and decentralization process shaking amplitude are little, improve the safety system of unloading process Number and stability.
Section seven, the dismounting mode of arm and Section of eight arm is identical.
The dismounting mode of Section of six arm as shown in Figures 2 and 3: utilize jib lubbing mechanism to move amplitude variation trolley 1 to the 5th On joint arm 10, first the long draw 12 on the pulley of the tower top of the hoist rope 6 pile warp tower crane in tower crane and Section of six arm 9 is torn open Unload arm-tie to connect, then long draw 12 is removed with tower cap 14, complete the dismounting of long draw 12;According to Section of eight arm or Section seven Section six, arm is dismantled by the dismounting mode of arm;Finally utilize lifting mechanism by Section of six arm after the long draw after dismounting and dismounting Together transfer.
Section five, arm, when dismounting, affects the balance between counter-jib and tower arm;Therefore, when dismantling Section of five arm, need Will corresponding to dismounting counter-jib on counterweight.Counterweight and Section of five arm intersect to be dismantled.Section five, the dismounting mode of arm and upper State dismounting mode identical.The dismounting of counterweight as shown in Figure 4, by the pulley of hoist rope 6 pile warp tower top and counterweight to be removed Connecting, dismantled by the connector of fixed weight, start lifting mechanism, lifting mechanism drives hoist rope by counterweight to be removed Transfer.
Section three, the dismounting mode of logical Section of five arm of dismounting of arm and Section of four arm is identical.
In the above-described embodiments, side arm 2 and after-frame 3 use front man-like shelf and rear man-like shelf, and with amplitude variation trolley pivot joint At pivot points superposition formed before and after double cabinet frame, between double cabinet frame use spiral locking steel wire rope fix, rear man-like shelf and Tower arm utilizes take-up device to fix, and while improving lifting enabling capabilities, improves the reliability of unloading process;Front man-like shelf With rear man-like shelf structure use flanged (FLGD) different length standard knot, be attached with bolt, reduce provision for disengagement carrying and The difficulty of installing/dismounting, can be adjusted according to the length of different type of machines tower arm simultaneously, can be widely used in tower top formula and tack In formula tower crane, there is good versatility.
A kind of equipment realizing tearing arm method open in above-mentioned ultra-large type tower crane high-altitude as shown in Figure 5 and Figure 6 includes: hoist steel wire Rope 6, lifting mechanism, side arm 2, after-frame 3, locking device 4 and take-up device 5, side arm 2 and after-frame 3 are along the side of moving of amplitude variation trolley 1 To being all articulated in its both sides, and it is positioned at the top of tower arm;Locking device 4 is arranged between side arm 2 and after-frame 3, for locking also Angle between regulation side arm 2 and after-frame 3;Take-up device 5 is arranged on after-frame, for after-frame 3 and tower arm being fixed;Hoist steel Cord 6 pile warp side arm is connected with the middle position of joint arm to be removed, and has vertical tension in junction;Lifting mechanism drives Dynamic hoist rope.Utilize tower crane self jib lubbing mechanism to realize tearing the movement in tower arm of the arm equipment, compact overall structure open, and carry High aerial removal efficiency.Utilize side arm and after-frame to fix with joint arm to be removed and tower arm respectively, improve the safety system of unloading process Number and stability;Add the hoist rope vertical tension to joint arm to be removed, reduce the dismounting of joint arm to be removed and transfer The shaking amplitude of process.
Above-mentioned ultra-large type tower crane high-altitude is torn open in arm equipment, and before and after side arm 2 and after-frame 3 employing, the structure of double cabinet frame, double Using spiral locking steel wire rope to fix between cabinet frame, rear man-like shelf and tower arm utilize take-up device to fix, and support improving lifting While ability, improve the reliability of unloading process.
Front and back man-like shelf structure uses flanged (FLGD) different length standard knot, is attached with bolt, reduces dismounting dress Put the difficulty of carrying and installing/dismounting, can be adjusted according to the length of different type of machines tower arm simultaneously, tower top can be widely used in In formula and flat-top tower crane, there is good versatility;Add length-adjustable spiral locking steel wire rope and take-up device To realize luffing function, to ensure that hoist rope is sling crane arm centre position to be torn open with vertical tension, solve crane arm from The body tilting moment impact on lineoutofservice signal pull, it is ensured that at dismounting and lower section process hoist rope tension equalizer, from stress control Whole unloading process stability is improved in system.
Upper described only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims (10)

1. arm method is torn in a ultra-large type tower crane high-altitude open, it is characterised in that be moved along it direction pivot joint in the both sides of amplitude variation trolley Have and be positioned at the side arm above tower arm and after-frame, between side arm and after-frame, be provided with the locking device adjusting its angle;Mobile change Width dolly is on the previous joint arm of the joint arm to be removed of tower arm, and described after-frame is solid with this previous joint arm by take-up device Connecing, the hoist rope pile warp side arm in tower crane is fixed in the middle position of joint arm to be removed, regulation take-up device and lock Joint arm is vertical strains so that hoist rope is with this for tight device;Dismantle this joint arm, then start lifting mechanism and this joint arm is transferred;
When saving arm dismounting and extremely affecting the balance between tower arm and counter-jib, on lifting mechanism alternately dismounting joint arm and counter-jib Counterweight.
Arm method is torn in ultra-large type tower crane high-altitude the most according to claim 1 open, it is characterised in that when having on joint arm to be removed When having long draw, first dismantle long draw, then dismantle this joint arm;The dismounting mode of long draw is: is moved by amplitude variation trolley and draws to long On the previous joint arm of bar place joint arm, first the pulley of the tower top of described hoist rope pile warp tower crane is dismantled arm-tie with long draw Connect, then long draw is removed with tower cap, complete the dismounting of long draw;Secondly, according to saving the method for dismounting of arm by long draw The joint arm dismounting at place;Finally the long draw after dismounting and the joint arm after dismounting are together transferred.
Arm method is torn in ultra-large type tower crane high-altitude the most according to claim 1 open, it is characterised in that with described amplitude variation trolley pivot joint Side arm pivot points at and the pivot points of after-frame at superposition, and be connected with this amplitude variation trolley.
Arm method is torn in ultra-large type tower crane high-altitude the most according to claim 1 open, it is characterised in that described side arm is front herringbone Frame;Described after-frame is rear man-like shelf.
Arm method is torn in ultra-large type tower crane high-altitude the most according to claim 4 open, it is characterised in that described front man-like shelf and descendant Cabinet frame all uses flanged (FLGD) standard knot.
6. it is used for realizing above-mentioned ultra-large type tower crane high-altitude and tears an equipment for arm method open, including hoist rope and lifting mechanism, It is characterized in that, also include side arm, after-frame, locking device and take-up device, described side arm and after-frame moving along amplitude variation trolley Direction is all articulated in its both sides, and is positioned at the top of tower arm;Described locking device is arranged between side arm and after-frame, is used for locking And regulate the angle between side arm and after-frame;Described take-up device is arranged on described after-frame, for after-frame and tower arm being fixed; Side arm described in described hoist rope pile warp is connected with the middle position of joint arm to be removed, and has in junction and vertically draw Power;Described lifting mechanism drives described hoist rope.
Arm equipment is torn in ultra-large type tower crane high-altitude the most according to claim 7 open, it is characterised in that described side arm is front herringbone Frame;Described after-frame is rear man-like shelf.
Arm equipment is torn in ultra-large type tower crane high-altitude the most according to claim 7 open, it is characterised in that described locking device is a spiral shell Rotation locking steel wire rope, one end of this rope is connected with the top of side arm, and the other end is connected with the top of after-frame.
Arm equipment is torn in ultra-large type tower crane high-altitude the most according to claim 7 open, it is characterised in that described side arm and after-frame superposition Articulated section on described amplitude variation trolley.
Arm equipment is torn in ultra-large type tower crane high-altitude the most according to claim 7 open, it is characterised in that front man-like shelf and rear herringbone Frame all uses flanged (FLGD) standard knot.
CN201610580239.XA 2016-07-22 2016-07-22 Arm method and apparatus is torn in ultra-large type tower crane high-altitude open Pending CN106144912A (en)

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Application publication date: 20161123