CN110526137A - A kind of certainly mobile type fast erecting tower crane - Google Patents
A kind of certainly mobile type fast erecting tower crane Download PDFInfo
- Publication number
- CN110526137A CN110526137A CN201910758589.4A CN201910758589A CN110526137A CN 110526137 A CN110526137 A CN 110526137A CN 201910758589 A CN201910758589 A CN 201910758589A CN 110526137 A CN110526137 A CN 110526137A
- Authority
- CN
- China
- Prior art keywords
- arm
- tower body
- crane
- folding arm
- folding
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/06—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/44—Jib-cranes adapted for attachment to standard vehicles, e.g. agricultural tractors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/68—Jibs foldable or otherwise adjustable in configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
- B66C23/76—Counterweights or supports for balancing lifting couples separate from jib and movable to take account of variations of load or of variations of length of jib
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
- B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
- B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions
- B66C23/828—Bracing equipment acting at an inclined angle to vertical and horizontal directions where the angle is adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
- B66C23/86—Slewing gear hydraulically actuated
Abstract
The invention discloses a kind of from mobile type fast erecting tower crane, including automobile chassis, turntable, tower body, foldable hoisting arm, crane arm apparatus for turning, suspension hook group, luffing device, lifting winding plant, counterweight；Automobile chassis is equipped with driver's cabin, chassis drive assembly, vehicle-mounted hydraulic pumping plant and more than one piece and collapses hydraulically extensible supporting leg along automobile chassis center symmetric setting；Foldable hoisting arm folds arm and preceding folding arm after including, be articulated and connected in the middle part of the rear front center for folding arm 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.This can realize complete machine autonomous under the premise of not increasing entire length from mobile type fast erecting tower crane in receiving state, it can be realized riding stability when increasing complete machine autonomous simultaneously, the material conveying and building element installation especially suitable for lower building building or the crowded occasion in place.
Description
Technical field
The present invention relates to a kind of derrick crane, it is specifically a kind of can automatic moving and fast erecting derrick crane,
Belong 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
There is also following defects for machine:
1. complete machine need to additionally be considered the length space of pulling equipment, be in turn resulted in entirety using pulling equipment traction walking
Length is longer, turning radius is larger, and since road is generally narrow, crossing turning radius is small, and there are hollows on many road surfaces
Injustice, the situation of road conditions complexity cause vehicle very crossing during drawing transition that can not pass through, and general pulling equipment does not have
It prepares enough enough power and vehicle is pulled out into complex road condition, seriously limit the scope of application of complete machine；
2. each folding arm is stacked when receiving state, lead to that whole height is excessively high, center of gravity is higher, and then will lead to whole
Vehicle passability is poor, riding stability is insufficient；
3, it needs to carry out the installation of electrical source of power and access work before expansion operation, virtually reduces the work of expansion and folding
Make efficiency.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of certainly mobile type fast erecting tower crane, it can be in receiving state
Realize the complete machine autonomous not increased under the premise of entire length, while the traveling that can be realized when increasing complete machine autonomous is steady
Qualitative, especially suitable for lower building building or the crowded occasion in place material conveying and building element installation.
To achieve the above object, this certainly mobile type fast erecting tower crane includes automobile chassis, turntable, tower body, folding
Crane arm, crane arm apparatus for turning, suspension hook group, luffing device, lifting winding plant, counterweight；
The automobile chassis is equipped with driver's cabin, chassis drive assembly, vehicle-mounted hydraulic pumping plant and more than one piece along automobile chassis
Center symmetric setting collapses hydraulically extensible supporting leg, can collapse hydraulically extensible supporting leg and pass through fluid pressure line and vehicle-mounted hydraulic pumping plant
Control valve group connection；
The turntable is mounted on automobile chassis by pivoting support and hydraulic gyration driving, and hydraulic gyration is driven through
Fluid pressure line is connect with the control valve group of vehicle-mounted hydraulic pumping plant, and the lifting winding plant and counterweight are mounted on turntable；
The tower body includes lower tower body and upper tower body, and the bottom end of lower tower body is hingedly mounted on turntable, the top of lower tower body
Portion rear end and the bottom rear end of upper tower body hingedly install and between lower tower body and upper tower body be equipped with include tower body fold hydraulic cylinder and
Tower body turns down the tower body apparatus for turning of link mechanism, and tower body turns down the control that hydraulic cylinder passes through fluid pressure line and vehicle-mounted hydraulic pumping plant
Valve group connects, and the conductor rope support rod for being secured to installation is additionally provided at the top of upper tower body；
The foldable hoisting arm folds arm and preceding folding arm, the top of the rear rear end lower for folding arm and upper tower body after including
The rear end of the articulated connection of portion front end and rear folding arm is equipped with the mast of inclination stretching setting that is being secured to installation connection, mast
Top connect by pulling wirerope with turntable, the front top company that the top of mast passes through drawing wirerope and rear folding arm
It connects, articulated connection forms hinge joint D, including luffing elevator and change in the middle part of the rear front center for folding arm and the preceding rear end for folding arm
The luffing device of width trolley folds on arm after being mounted on, and suspension hook group is arranged on amplitude variation trolley, rear to fold on arm and preceding folding arm
The track of docking can be turned down when equipped with being moved forward and backward for amplitude variation trolley, expansion；
The described crane arm apparatus for turning setting preceding foldings arm and it is rear fold between arm, including crane arm link mechanism with
Crane arm turns 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
Folded arm, crane arm fold hydraulic cylinder are connect by fluid pressure line with the control valve group of vehicle-mounted hydraulic pumping plant；Crane arm link mechanism
It is triangular structure or horizontal U-shaped structure, crane arm link mechanism and the telescopic end of crane arm fold hydraulic cylinder are hingedly installed
Connection forms hinge joint A, and crane arm link mechanism includes preceding folding arm link and folds arm link afterwards, preceding to fold the one of arm link
End folds before being hingedly installed on forms hinge joint B inside arm, rear one end for folding arm link folds inside arm after being hingedly installed on
Hinge joint C is formed, when folded state, after preceding foldings arm is fastened on folding arm, hinge joint A is located at hinge joint B's and hinge joint C
Spacing dimension between rear and hinge joint A and hinge joint B is less than the spacing dimension between hinge joint A and hinge joint C.
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 lifts by crane winding plant and luffing device is all made of hydraulic motor driving knot
The hydraulic motor of structure, lifting winding plant and luffing device passes through fluid pressure line respectively and the control valve group of vehicle-mounted hydraulic pumping plant connects
It connects.
As a further improvement of the present invention, counterweight bottom is oriented to carriage and elastic device by front and back
It is mounted on turntable, elastic device is hydraulic control architectures, and elastic device is pumped by fluid pressure line and vehicle-mounted hydraulic
The control valve group connection stood, the body end of elastic device is mounted on turntable, telescopic end with reconnection.
As a further improvement of the present invention, between lower tower body and upper tower body, between rear folding arm and preceding folding arm
It 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 arranged in tower body
With the bolt mechanism perpendicular to end face inside foldable hoisting arm, bolt mechanism includes hydraulically extensible control unit and bolt, liquid
Pressure stretch contracting control unit is fixedly mounted on inside tower body and foldable hoisting arm, the telescopic end of hydraulically extensible control unit and bolt
Bottom end connection, hydraulically extensible control unit are connect by fluid pressure line with the control valve group of vehicle-mounted hydraulic pumping plant.
As a further improvement of the present invention, automobile chassis is cross-country automobile chassis, and chassis drive assembly is four-wheel
Driving structure.
Compared with prior art, this is from mobile type fast erecting tower crane due to the rear front center for folding arm and preceding folding
Articulated connection and preceding folding arm and rear fold are equipped with crane arm apparatus for turning in the middle part of the rear end of folded arm between arm, are folding completely
Transition state when, preceding folding arm is folded above arm after being fastened on rather than is folded above arm after being layered in, therefore more traditional
Complete stepped construction can realize height dimension when reducing complete machine folded state, and then realize that reduction machine gravity, realization increase
Riding stability when autonomous；Vehicle-mounted hydraulic pumping plant and more than one piece edge are equipped with due to being equipped with automobile chassis and automobile chassis
Automobile chassis center symmetric setting collapses hydraulically extensible supporting leg, therefore complete machine can pass through in the transition state folded completely
The length dimension of automobile chassis carrying, automobile chassis is less than the length dimension of lower tower body, therefore can realize and not increase entire length
Under the premise of complete machine autonomous, driver can carry out flexible transition driver behavior；Since automobile chassis is equipped with vehicle
Load hydraulic pumping plant, therefore this lifts by crane with the lifting for folding control, suspension hook group from the expansion of mobile type fast erecting tower crane and controls
System, amplitude variation trolley, which are moved forward and backward luffing control, can be directly used hydraulic control mode, therefore the setting that can simplify the internal structure of an organization, raising
Working efficiency, material conveying and building element installation especially suitable for lower building building or the crowded occasion in place.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the transition state that the present invention folds completely；
Fig. 2 is the structural schematic diagram for the working condition that the present invention is fully deployed；
The structural schematic diagram of crane arm apparatus for turning when Fig. 3 is completely folded state of the present invention；
The structural schematic diagram of crane arm apparatus for turning when Fig. 4 is fully unfolded position of the present invention；
Fig. 5 is the structural schematic diagram during present invention 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
The present invention will be further described with reference to the accompanying drawing (is set up with this from mobile type fast erecting tower crane below
State after good is described, and the stretching direction to set up good rear foldable hoisting arm is described as front).
As shown in Figure 1, Figure 2, Figure 5, this certainly mobile type fast erecting tower crane includes 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.
The lifting winding plant and luffing device of traditional type fast erecting tower crane generally use electronic Electrical Control
Mode as a further improvement of the present invention, lifts by crane winding plant and luffing device is all made of for the setting that simplifies the internal structure of an organization
Hydraulic motor driving structure, the hydraulic motor for lifting by crane winding plant and luffing device pass through fluid pressure line and vehicle-mounted hydraulic pump respectively
The control valve group connection stood.The lifting lifting of suspension hook group is realized by the way of hydraulic control and drives shifting before and after amplitude variation trolley
The installation for not having to carry out electrical source of power not only and access work is arranged such in dynamic luffing, but also can be to avoid traditional motor
The drawbacks of automatically controlled mode under undesirably heavy loads can damage driving motor.
Increase slinging work efficiency and hoisting heavy job area to realize, as a further improvement of the present invention side
Case, counterweight bottom is oriented to carriage by front and back and elastic device is mounted on turntable 2, and elastic device is hydraulic
Control structure, elastic device are connect by fluid pressure line with the control valve group of vehicle-mounted hydraulic pumping plant, elastic device
Body end is mounted on turntable 2, telescopic end with reconnection.It may be implemented by controlling the flexible of elastic device with reformation
Body is moved forward and backward on the guiding carriage of front and back, and then realizes the luffing movement of counterweight.
In order to be rolled between tower body and upper tower body, afterwards in the case where being realized after this is fully deployed from mobile type fast erecting tower crane
More firm end face is fitted and connected between folded arm 41 and preceding folding arm 42, as a further improvement of the present invention, lower tower body
End face safety buckle device, end face are provided with matching between upper tower body, between rear folding arm 41 and preceding folding arm 42
Safety buckle device can be after the end face of lower tower body and upper tower body is bonded, the rear end face fitting for folding arm 41 and preceding folding arm 42
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 arranged in tower body
With the bolt mechanism perpendicular to end face inside foldable hoisting arm, due to lower tower body and upper tower body, arm 41 and preceding folding are folded afterwards
The fold track of arm 42 is arc track, and too long bolt mechanism can cause grafting to be interfered, however too short bolt mechanism rises not
To the effect of firm grafting, therefore the bolt mechanism includes hydraulically extensible control unit and bolt, hydraulically extensible control unit
Part is fixedly mounted on inside tower body and foldable hoisting arm, and the telescopic end of hydraulically extensible control unit and the bottom end of bolt connect, liquid
Pressure stretch contracting control unit is connect by fluid pressure line with the control valve group of vehicle-mounted hydraulic pumping plant.When operation is unfolded after the fitting of end face
Controllable hydraulically extensible control unit, which stretches out to eject bolt, completes locking, the controllable hydraulically extensible control before folding storage operation
Bolt is extracted out and completes unlock by component retraction processed.
In order to realize better dynamic property and flexibility, as a further improvement of the present invention, automobile chassis 1 is to get over
Wild automobile chassis, chassis drive assembly are four-wheel drive structures.
Claims (8)
1. a kind of turn over from mobile type fast erecting tower crane, including turntable (2), tower body (3), foldable hoisting arm (4), crane arm
Device for folding (5), suspension hook group, luffing device, lifting winding plant, counterweight；It is characterized in that,
It further include automobile chassis (1), automobile chassis (1) is equipped with driver's cabin, chassis drive assembly, vehicle-mounted hydraulic pumping plant and more than one piece
Hydraulically extensible supporting leg is collapsed along automobile chassis (1) center symmetric setting, hydraulically extensible supporting leg can be collapsed and pass through fluid pressure line
It is connect with the control valve group of vehicle-mounted hydraulic pumping plant；
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)
On；
The tower body (3) includes lower tower body and upper tower body, and the bottom end of lower tower body is hingedly mounted on turntable (2), lower tower body
It includes that tower body turns down hydraulic cylinder that the bottom rear end of top rear and upper tower body, which is hingedly installed and is equipped between lower tower body and upper tower body,
With the tower body apparatus for turning of tower body fold link mechanism, tower body turns down the control that hydraulic cylinder passes through fluid pressure line and vehicle-mounted hydraulic pumping plant
Valve group processed connects, and the conductor rope support rod (31) for being secured to installation is additionally provided at the top of upper tower body；
The foldable hoisting arm (4) folds arm (41) and preceding folding arm (42) after including, and folds the rear end lower of arm (41) afterwards
The rear end for folding arm (41) with the articulated connection of the top nose of upper tower body and afterwards be equipped be secured to installation connection, inclination stretches
The mast (43) being arranged out, the top of mast (43) are connect by pulling wirerope with turntable (2), and the top of mast (43) passes through
It pulls wirerope to connect with the rear front top for folding arm (41), afterwards the front center of folding arm (41) and preceding folding arm (42)
Articulated connection forms hinge joint D in the middle part of rear end, and the luffing device including luffing elevator and amplitude variation trolley folds arm after being mounted on
(41) on, suspension hook group is arranged on amplitude variation trolley, folds arm (41) afterwards and preceding folding arm (42) is equipped with for before and after amplitude variation trolley
The track of docking can be turned down when mobile, expansion；
Crane arm apparatus for turning (5) setting is between preceding folding arm (42) and rear folding arm (41), including crane arm connects
Linkage (51) and crane arm fold hydraulic cylinder (52)；Crane arm turns down hydraulic cylinder (52) and is arranged in rear folding arm (41) front,
The articulated connection of its cylinder body bottom end turns down hydraulic cylinder (52) and is 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, crane arm link mechanism
(51) connection is hingedly installed with the telescopic end of crane arm fold hydraulic cylinder (52) and forms hinge joint A, crane arm link mechanism (51)
Including preceding folding arm link (511) and rear folding arm link (512), before preceding one end for folding arm link (511) is hingedly installed on
It folds and forms hinge joint B inside arm (42), arm (41) internal shape is folded after one end of folding arm link (512) is hingedly installed on afterwards
At hinge joint C, when folded state, preceding folding arm (42) folds on arm (41) after being fastened on, and hinge joint A is located at hinge joint B and hinge
The rear of contact C and spacing dimension between hinge joint A and hinge joint B are less than the distance ruler between hinge joint A and hinge joint C
It is very little.
2. according to claim 1 from mobile type fast erecting tower crane, which is characterized in that fold afterwards arm (41) and before
Fold the folding arm overturning guide frame for being additionally provided with and being equipped between arm (42).
3. according to claim 2 from mobile type fast erecting tower crane, which is characterized in that fold arm overturning guiding knot
Structure includes that the corresponding position hinge joint D setting folds after the preceding semicircle guide groove folded on arm (42) and cooperation are fixed at
Guide pin on arm (41).
4. according to claim 1 or 2 or 3 from mobile type fast erecting tower crane, which is characterized in that lifting elevator dress
It sets and is all made of hydraulic motor driving structure with luffing device, the hydraulic motor for lifting by crane winding plant and luffing device passes through liquid respectively
Pressure pipe road is connect with the control valve group of vehicle-mounted hydraulic pumping plant.
5. according to claim 4 from mobile type fast erecting tower crane, which is characterized in that counterweight bottom passes through front and back
Guiding carriage and elastic device are mounted on turntable (2), and elastic device is hydraulic control architectures, elastic
Device is connect by fluid pressure line with the control valve group of vehicle-mounted hydraulic pumping plant, and the body end of elastic device is mounted on turntable
(2) on, telescopic end with reconnection.
6. according to claim 4 from mobile type fast erecting tower crane, which is characterized in that lower tower body and upper tower body it
Between, folded between arm (41) and preceding folding arm (42) afterwards and be provided with matching end face safety buckle device.
7. according to claim 6 from mobile type fast erecting tower crane, which is characterized in that end face safety buckle device
It is the bolt mechanism perpendicular to end face being arranged in inside tower body and foldable hoisting arm, bolt mechanism includes hydraulically extensible control unit
Part and bolt, hydraulically extensible control unit are fixedly mounted on inside tower body and foldable hoisting arm, and hydraulically extensible control unit is stretched
Contracting end and the bottom end of bolt connect, and hydraulically extensible control unit is connected by the control valve group of fluid pressure line and vehicle-mounted hydraulic pumping plant
It connects.
8. according to claim 1 or 2 or 3 from mobile type fast erecting tower crane, which is characterized in that automobile chassis
It (1) is cross-country automobile chassis, chassis drive assembly is four-wheel drive structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910758589.4A CN110526137A (en) | 2019-08-16 | 2019-08-16 | A kind of certainly mobile type fast erecting tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910758589.4A CN110526137A (en) | 2019-08-16 | 2019-08-16 | A kind of certainly mobile type fast erecting tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110526137A true CN110526137A (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910758589.4A Pending CN110526137A (en) | 2019-08-16 | 2019-08-16 | A kind of certainly mobile type fast erecting tower crane |
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| Country | Link |
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| CN (1) | CN110526137A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115676652A (en) * | 2022-10-28 | 2023-02-03 | 徐州建机工程机械有限公司 | Connecting and mounting method for crane boom |
| 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 |
-
2019
- 2019-08-16 CN CN201910758589.4A patent/CN110526137A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115676652A (en) * | 2022-10-28 | 2023-02-03 | 徐州建机工程机械有限公司 | Connecting and mounting method for crane boom |
| CN115676652B (en) * | 2022-10-28 | 2023-05-09 | 徐州建机工程机械有限公司 | Connecting and mounting method for lifting arm |
| 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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