CN110526141A - A kind of crane arm apparatus for turning of type fast erecting tower crane - Google Patents

A kind of crane arm apparatus for turning of type fast erecting tower crane Download PDF

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Publication number
CN110526141A
CN110526141A CN201910758550.2A CN201910758550A CN110526141A CN 110526141 A CN110526141 A CN 110526141A CN 201910758550 A CN201910758550 A CN 201910758550A CN 110526141 A CN110526141 A CN 110526141A
Authority
CN
China
Prior art keywords
arm
crane
folding
hinge joint
folding arm
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
CN201910758550.2A
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Chinese (zh)
Inventor
李昌军
王海洋
张明
武琼
张永武
王丽娟
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.)
Xuzhou Jiufa Construction Machinery Co Ltd
Original Assignee
Xuzhou Jiufa Construction Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xuzhou Jiufa Construction Machinery Co Ltd filed Critical Xuzhou Jiufa Construction Machinery Co Ltd
Priority to CN201910758550.2A priority Critical patent/CN110526141A/en
Publication of CN110526141A publication Critical patent/CN110526141A/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
    • B66C23/62Constructional features or details
    • B66C23/64Jibs
    • B66C23/68Jibs foldable or otherwise adjustable in configuration

Abstract

The invention discloses a kind of crane arm apparatus for turning of type fast erecting tower crane, articulated connection forms hinge joint D in the middle part of the front center of the rear folding arm of type fast erecting tower crane and the preceding rear end for folding arm;The setting of crane arm apparatus for turning is between preceding folding arm and rear folding arm, including crane arm link mechanism and crane arm turn down hydraulic cylinder;The cylinder body bottom end that crane arm turns down hydraulic cylinder is articulated and connected in rear folding arm;The telescopic end of crane arm link mechanism and crane arm fold hydraulic cylinder hingedly installs connection and forms hinge joint A, crane arm link mechanism includes preceding folding arm link and rear folding arm link, preceding one end for folding arm link folds before being hingedly installed on forms hinge joint B inside arm, rear one end for folding arm link folds after being hingedly installed on and forms hinge joint C inside arm.The present invention can be realized riding stability when increasing complete machine autonomous, the material conveying and building element installation especially suitable for lower building building or the crowded occasion in place.

Description

A kind of crane arm apparatus for turning of type fast erecting tower crane
Technical field
The present invention relates to a kind of crane arm apparatus for turning, specifically a kind of derrick crane suitable for fast erecting is risen Weighing arm apparatus for turning belongs to hoisting machinery equipment technology field.
Background technique
Derrick crane abbreviation tower crane, also known as tower crane, be swing arm be mounted in towering tower body top revolving crane, tower Heavy-duty machine working space is big, is mainly used for the vertically and horizontally conveying and the installation of building element of material in housing construction.
Derrick crane majority used in China's building trade is that structure, i.e. lifting is fixedly mounted in top slewing at present Arm, counter-jib and tower body are installed on as a whole to be held on seat, and is held seat and maintained static, be fixedly mounted on monolith coagulation soil matrix It on plinth or is installed in strips X-shaped concrete foundation, the turntable by the way that tower body upper end is arranged in realizes crane arm and counter-jib Revolution, pass through jacking tower body and be added base section realization increase step by step, this traditional derrick crane is built suitable for large size It builds or skyscraper, the certain crowded fields more in 10 to 30m lower building building or Adjacent Buildings for construction layer height It closes, not only wastes one's talent on a petty job according to this traditional derrick crane, increased costs, but also application often seems clumsy, exists It sets up and removes inconvenience, delay the defects of construction period of architectural engineering.
Turn in consideration of it, having turntable setting in the prior art in tower body lower end, tower body and foldable be mounted on of crane arm The type fast erecting tower crane of lower rotary structure on platform by remote control operation lifting and luffing and can return when unfolded state Turn, when folded state can carry out traction transition, this existing tower lifting of fast erecting by pulling equipments such as traction locomotives Each folding arm is stacked when machine folding storage state, therefore will lead to that whole height is excessively high, center of gravity is higher, and then will lead to Complete machine transition process passability is poor, riding stability is insufficient.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of crane arm apparatus for turning of type fast erecting tower crane, Neng Goushi Now increase riding stability when complete machine autonomous, the material especially suitable for lower building building or the crowded occasion in place is defeated It send and building element is installed.
To achieve the above object, arm and preceding folding arm are folded after the foldable hoisting arm of type fast erecting tower crane includes, Articulated connection in the middle part of the front center and the preceding rear end for folding arm of arm is folded afterwards forms hinge joint D;
The setting of crane arm apparatus for turning is between preceding folding arm and rear folding arm, including crane arm link mechanism and crane arm Turn down hydraulic cylinder;Crane arm turns down hydraulic cylinder setting in rear folding arm front, and cylinder body bottom end is articulated and connected in rear folding arm;It rises Weighing arm link mechanism is triangular structure or horizontal U-shaped structure, and crane arm link mechanism is stretched with crane arm fold hydraulic cylinder Contracting end hingedly installs connection and forms hinge joint A, and crane arm link mechanism includes preceding folding arm link and rear folding arm link, preceding folding One end of folded arm link folds before being hingedly installed on forms hinge joint B inside arm, rear one end for folding arm link is hingedly installed on It folds afterwards and forms hinge joint C inside arm, when folded state, after preceding foldings arm is fastened on folding arm, hinge joint A is located at hinge joint Between spacing dimension between the rear of B and hinge joint C and hinge joint A and hinge joint B is less than between hinge joint A and hinge joint C Carpenters square cun.
As a further improvement of the present invention, it is folded between arm and preceding folding arm afterwards and is additionally provided with the folding being equipped with Arm overturns guide frame.
As one embodiment of the present invention, folding arm overturning guide frame includes that the corresponding position hinge joint D setting exists Semicircle guide groove and cooperation on preceding folding arm fold the guide pin on arm after being fixed at.
As a further improvement of the present invention, it is folded between arm and preceding folding arm afterwards and is provided with matching end face Safety buckle device.
As a kind of embodiment of end face safety buckle device of the present invention, end face safety buckle device is that setting is folding Bolt mechanism inside crane arm, perpendicular to end face, bolt mechanism include extension and contraction control component and bolt, extension and contraction control component It is fixedly mounted on inside foldable hoisting arm, the telescopic end of extension and contraction control component and the bottom end of bolt connect.
Compared with prior art, the crane arm apparatus for turning of this type fast erecting tower crane is due to the rear front end for folding arm Articulated connection and preceding folding arm and rear fold are equipped with crane arm apparatus for turning in the middle part of middle part and the preceding rear end for folding arm between arm, In the transition state folded completely, preceding folding arm is folded above arm after being fastened on rather than is folded above arm after being layered in, because This more traditional complete stepped construction can realize height dimension when reducing complete machine folded state, and then realize reduction complete machine weight The riding stability when heart, realization increase autonomous, the material especially suitable for lower building building or the crowded occasion in place Conveying and building element installation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the transition state folded completely from mobile type fast erecting tower crane;
Fig. 2 is the structural schematic diagram for the working condition being fully deployed from mobile type fast erecting tower crane;
Structural schematic diagram when Fig. 3 is completely folded state of the present invention;
Structural schematic diagram when Fig. 4 is fully unfolded position of the present invention;
Fig. 5 is from the structural schematic diagram during mobile type fast erecting tower crane expansion.
In figure: 1, automobile chassis, 2, turntable, 3, tower body, 31, conductor rope support rod, 4, foldable hoisting arm, 41, fold arm afterwards, 42, preceding folding arm, 43, mast, 5, crane arm apparatus for turning, 51, crane arm link mechanism, 511, preceding folding arm link, 512, After fold arm link, 52, crane arm turn down hydraulic cylinder.
Specific embodiment
Be mounted below by the present invention from mobile type fast erecting tower crane, in conjunction with attached drawing to the present invention do into One step illustrates (to be described below with the state after setting up from mobile type fast erecting tower crane, to fold after erection well The stretching direction of crane arm is described for front).
As shown in Figure 1, Figure 2, Figure 5, from mobile type fast erecting tower crane include automobile chassis 1, turntable 2, tower body 3, Foldable hoisting arm 4, crane arm apparatus for turning 5, suspension hook group, luffing device, lifting winding plant, counterweight.
The automobile chassis 1 is equipped with driver's cabin, chassis drive assembly, vehicle-mounted hydraulic pumping plant and more than one piece along automobile chassis 1 center symmetric setting collapses hydraulically extensible supporting leg, can collapse hydraulically extensible supporting leg and be pumped by fluid pressure line and vehicle-mounted hydraulic The control valve group connection stood.
The turntable 2 is mounted on automobile chassis 1 by pivoting support and hydraulic gyration driving, and hydraulic gyration driving is logical It crosses fluid pressure line to connect with the control valve group of vehicle-mounted hydraulic pumping plant, the lifting winding plant and counterweight are mounted on turntable 2.
The tower body 3 includes lower tower body and upper tower body, and the bottom end of lower tower body, which is hingedly mounted on turntable 2 and is located at, matches The front of weight, the length dimension of automobile chassis 1 are less than the length dimension of lower tower body, the top rear of lower tower body and the bottom of upper tower body It includes tower body fold hydraulic cylinder and tower body fold link mechanism that portion rear end, which is hingedly installed and is equipped between lower tower body and upper tower body, Tower body apparatus for turning, tower body fold hydraulic cylinder are connect by fluid pressure line with the control valve group of vehicle-mounted hydraulic pumping plant, upper tower body Top is additionally provided with the conductor rope support rod 31 for being secured to installation.
The foldable hoisting arm 4 folds arm 41 and preceding foldings arm 42 after including, the rear end lower of rear folding arm 41 with it is upper The top nose of tower body is articulated and connected and the rear end of rear folding arm 41 is equipped with and is secured to installation connection, inclination stretching setting Mast 43, the top of mast 43 connect by pulling wirerope with turntable 2, the top of mast 43 by pull wirerope and after The front top connection of arm 41 is folded, as shown in Figure 3, Figure 4, in the rear front center for folding arm 41 and the preceding rear end for folding arm 42 Portion is articulated and connected to form hinge joint D, and the luffing device including luffing elevator and amplitude variation trolley folds on arm 41 after being mounted on, suspension hook Group is arranged on amplitude variation trolley, it is rear fold arm 41 and it is preceding fold arm 42 be equipped with it is being moved forward and backward for amplitude variation trolley, can when being unfolded Turn down the track of docking;
As shown in Figure 3, Figure 4, the crane arm apparatus for turning 5 setting folds between arm 41 in preceding folding arm 42 and afterwards, Hydraulic cylinder 52 is turned down including crane arm link mechanism 51 and crane arm;Crane arm turns down hydraulic cylinder 52 and is arranged before rear folding arm 41 Portion, the articulated connection of cylinder body bottom end turn down hydraulic cylinder 52 and are pumped by fluid pressure line and vehicle-mounted hydraulic in rear folding arm 41, crane arm The control valve group connection stood;Crane arm link mechanism 51 is triangular structure or horizontal U-shaped structure as shown in Figure 3, lifting The telescopic end of arm link mechanism 51 and crane arm fold hydraulic cylinder 52 hingedly installs connection and forms hinge joint A, lifting arm link machine Structure 51 includes preceding folding arm link 511 and rear folding arm link 512, and preceding one end for folding arm link 511 is hingedly installed on preceding folding Hinge joint B is formed inside folded arm 42, rear one end for folding arm link 512 folds inside arm 41 after being hingedly installed on and forms hinge joint C, when folded state before fold after arm 42 is fastened on and fold on arm 41, as shown in figure 3, hinge joint A is located at hinge joint B and hinge joint The rear of C and spacing dimension between hinge joint A and hinge joint B are less than the spacing dimension between hinge joint A and hinge joint C.
This certainly mobile type fast erecting tower crane is in the transition state folded completely, as shown in Figure 1, tower body, folding Crane arm and mast are in a horizontal state, and tower body fold hydraulic cylinder is in the state that is entirely retracted to, and crane arm turns down at hydraulic cylinder 52 In the state that is entirely retracted to, preceding folding arm 42 folds 41 top of arm after being fastened on, upper tower body is layered in above lower tower body, can collapse liquid Pressure telescopic outrigger, which is in, is entirely retracted to state, and complete machine is carried by automobile chassis 1 at this time, due to the length dimension of automobile chassis 1 Less than the length dimension of lower tower body, therefore it can realize the complete machine autonomous under the premise of not increasing entire length, driver can be with Transition driver behavior is carried out, 41 top of arm is folded after being fastened on due to preceding folding arm 42 rather than folds 41 top of arm after being layered in, Therefore more traditional complete stepped construction can realize height dimension when reducing complete machine folded state, and then realize reduction complete machine weight The riding stability when heart, realization increase autonomous.
After transition to operating position, first passes through control vehicle-mounted hydraulic pumping plant and make can to collapse hydraulically extensible supporting leg and stretch out and steady Admittedly being supported in ground, expansion operation can be carried out;It is turned over as shown in figure 5, first passing through control valve group control crane arm when expansion operation The piston end for rolling over hydraulic cylinder 52 stretches out, and crane arm, which turns down during hydraulic cylinder 52 stretches out, drives crane arm link mechanism 51 around hinged Point C overturning, while preceding folding arm link 511 pushes the preceding arm 42 that folds to open along hinge joint D fold, current folding arm 42 and afterwards folding Suspend retraction in the piston end of control crane arm fold hydraulic cylinder 52 after the sharp angle of setting between folded arm 41;Then pass through control Valve group control tower body fold hydraulic cylinder processed stretches out, and the piston end of tower body fold hydraulic cylinder turns down connecting rod by tower body during stretching Mechanism routs up tower body along the hinged center rotation of upper tower body and lower tower body, continues to stretch out with tower body fold hydraulic cylinder, Haulage cable is gradually exceptionally straight under the supporting role of mast 43 and conductor rope support rod 31, tower body under auxiliary pulling, and tower body 3 is overturn While, folding arm 41 is rolled over after making after drawing after haulage cable is exceptionally straight under the supporting role of conductor rope support rod 31 and mast 43 Folded arm 41 folds the whole fold expansion of arm 42 before driving, when tower body 3 overturns state in a vertical shape after fold arm 41 and then synchronously complete Fold is in a horizontal state, and folds arm after may be implemented by adjusting mast 43 and the rear length for folding drawing wirerope between arm 41 41 complete fold after its front end tilts slightly upwards, the rear folding arm 41 of tilting not only available better load situation and And arm 41 is folded after can preventing amplitude variation trolley from skidding off in folding storage fold;It is turned over finally by control valve group control crane arm The piston end of folding hydraulic cylinder 52 continue to stretch out make before fold arm 42 along preceding folding arm 42 and the rear hinge joint rotation for folding arm 41 after Continuous fold is opened, until the preceding rear end face for folding arm 42 is docked with the rear front end face for folding arm 41 completes folding as shown in Figure 2 Crane arm 4 is fully deployed;After this certainly mobile type fast erecting tower crane is fully deployed, remote control control turntable can be passed through 2 revolutions, lifting winding plant drive the lifting lifting of suspension hook group, luffing device that amplitude variation trolley is driven to be moved forward and backward luffing.
When carrying out folding storage after completion work, the above-mentioned deployment step of reverse operating is completed to fold, and can carry out driving turn .
It is as a further improvement of the present invention, rear to fold 41 He of arm in order to realize the preceding firm overturning for folding arm 42 It is preceding to fold the folding arm overturning guide frame for being additionally provided with and being equipped between arm 42, it folds arm overturning guide frame and can use and match It closes the guide groove of setting and is oriented to latch structure, other guiding such as the guide table being equipped with and wheel design can also be used Structure.
As one embodiment of the present invention, as shown in Figure 3, Figure 4, it includes corresponding hinged for folding arm overturning guide frame The semicircle guide groove and cooperation that the position point D is arranged on preceding folding arm 42 fold the guide pin on arm 41 after being fixed at.
In order to folded after being realized after being fully deployed from mobile type fast erecting tower crane arm 41 and preceding folding arm 42 it Between more firm end face be fitted and connected, it is as a further improvement of the present invention, rear to fold between arm 41 and preceding folding arm 42 It is provided with matching end face safety buckle device, end face safety buckle device can be in rear folding arm 41 and preceding folding arm 42 End face fitting after carry out locking, and then guarantee more firm connection.
As a kind of embodiment of end face safety buckle device of the present invention, end face safety buckle device is that setting is folding The bolt mechanism perpendicular to end face inside crane arm, since rear folding arm 41 and the preceding fold track for folding arm 42 are circular arc rails Mark, too long bolt mechanism can cause grafting to be interfered, however too short bolt mechanism does not have the effect of firm grafting, therefore institute The bolt mechanism stated includes extension and contraction control component and bolt, and extension and contraction control component is fixedly mounted on inside foldable hoisting arm, is stretched The telescopic end of control unit and the bottom end of bolt connect.Extension and contraction control component can control to stretch out after the fitting of end face when operation is unfolded Bolt is ejected and completes locking, bolt is extracted in controllable extension and contraction control component retraction, which out, before folding storage operation completes unlock.

Claims (5)

1. a kind of crane arm apparatus for turning of type fast erecting tower crane, the foldable hoisting arm of type fast erecting tower crane (4) arm (41) and preceding folding arm (42) are folded after including, which is characterized in that
Articulated connection in the middle part of the front center and the preceding rear end for folding arm (42) of arm (41) is folded afterwards forms hinge joint D;
Crane arm apparatus for turning (5) setting is between preceding folding arm (42) and rear folding arm (41), including crane arm link mechanism (51) and crane arm turns down hydraulic cylinder (52);Crane arm turns down hydraulic cylinder (52) and is arranged in rear folding arm (41) front, cylinder body Bottom end is articulated and connected in rear folding arm (41);Crane arm link mechanism (51) is triangular structure or horizontal U-shaped structure, lifting Arm link mechanism (51) and the telescopic end of crane arm fold hydraulic cylinder (52) hingedly install connection and form hinge joint A, and crane arm connects Linkage (51) includes preceding folding arm link (511) and rear folding arm link (512), the preceding one end hinge for folding arm link (511) It connects to fold before being installed on and forms hinge joint B inside arm (42), one end of folding arm link (512) folds arm after being hingedly installed on afterwards (41) internal to form hinge joint C, when folded state, preceding foldings arm (42) folds on arm (41) after being fastened on, and hinge joint A, which is located at, to be cut with scissors Spacing dimension between the rear of contact B and hinge joint C and hinge joint A and hinge joint B is less than between hinge joint A and hinge joint C Spacing dimension.
2. the crane arm apparatus for turning of type fast erecting tower crane according to claim 1, which is characterized in that rear to fold Arm (41) and the preceding folding arm for being additionally provided with and being equipped between arm (42) that folds overturn guide frame.
3. the crane arm apparatus for turning of type fast erecting tower crane according to claim 2, which is characterized in that fold arm Overturning guide frame includes that semicircle guide groove and cooperation fixation of the corresponding position the hinge joint D setting on preceding folding arm (42) are set Set the guide pin on rear folding arm (41).
4. the crane arm apparatus for turning of type fast erecting tower crane according to claim 1, which is characterized in that rear to fold Mutually matched end face safety buckle device is equipped between arm (41) and preceding folding arm (42).
5. the crane arm apparatus for turning of type fast erecting tower crane according to claim 4, which is characterized in that end face peace Full locker is that bolt mechanism inside foldable hoisting arm, perpendicular to end face is arranged in, and bolt mechanism includes extension and contraction control Component and bolt, extension and contraction control component are fixedly mounted on inside foldable hoisting arm, the telescopic end of extension and contraction control component and bolt Bottom end connection.
CN201910758550.2A 2019-08-16 2019-08-16 A kind of crane arm apparatus for turning of type fast erecting tower crane Pending CN110526141A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910758550.2A CN110526141A (en) 2019-08-16 2019-08-16 A kind of crane arm apparatus for turning of type fast erecting tower crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910758550.2A CN110526141A (en) 2019-08-16 2019-08-16 A kind of crane arm apparatus for turning of type fast erecting tower crane

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CN110526141A true CN110526141A (en) 2019-12-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111115475A (en) * 2019-12-26 2020-05-08 徐州重型机械有限公司 Super-lifting device and crane

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111115475A (en) * 2019-12-26 2020-05-08 徐州重型机械有限公司 Super-lifting device and crane

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