One of main purpose of the present utility model provides a kind of structure and simplifies, and arm is striden the Heavy load tower crane device that the omnidistance arbitrary position of the width of cloth all has equal heavily loaded load-carrying capacity entirely.
Another main purpose of the present utility model provides a kind of cheap, operates stable, the high and low cost of efficient, and has the Heavy load tower crane device of big heavily loaded bearing function.Other purpose of the present utility model can be understood from following explanation.
For achieving the above object, the utility model is enumerated the Heavy load tower crane device of a representational Cui embodiment, it has: strengthen body of the tower intensity and firm body of the tower bracketing fixed frame A, and the arm of force that forms the big load load-carrying capacity of pylon arm make a concerted effort the B of mechanism, and the arm bracing frame C that constitutes the bigger load load-carrying capacity of pylon arm with D with cooperate packaged type arm jacking lifting machine E that uses and the lifting cage 2 that suitably increases length, these mechanism units act synergistically and have formed Heavy load tower crane device far-end Heavy load tower crane excellence, extraordinary function.
Below describe at the feature of each unit of Heavy load tower crane device: wherein, the feature of body of the tower bracketing fixed frame A is that mainly each suitable height and position place of body of the tower 1 such as per 5～8 joints are provided with a cover body of the tower bracketing fixed frame A in the joint place one of in the main base pitch, its end securely is installed in body of the tower 1, the other end is installed and is anchored on corresponding floor or the facade body of wall, and the load of in view of the above load transfer of tower crane being shared effectively, effectively the Heavy load tower crane device to the building structure carrying reaches each to stressed.
Body of the tower bracketing fixed frame is for the benefit of installed, system is divided into two joints in this example, and a joint is sheathed on the body of the tower inner space, and another joint then is installed on the floor of Jian Lou of corresponding height, also can be installed on the building body facade by another kind of structural shape, this two joints frame is being engaged.The both sides of body of the tower bracketing fixed frame A and body of the tower 1 junction and oblique subtend are provided with between building building body facade and tiltedly draw strut bar in addition, have strengthened lateral stressed.
Owing to body of the tower bracketing fixed frame A is along with gradually increase back to the certain appropriate height of body of the tower with building building body adds; that is approximately whenever increase and install a cover body of the tower bracketing fixed frame A between 15 meters to 24 meters additional; like this body of the tower is fixed on corresponding building Lou Tishang forcefully, thereby shares or most of born tower crane load, stressed.
What the arm of force was made a concerted effort the B of mechanism is characterised in that 2 times end peripheries of lifting cage around being provided with one and the concentric ring ring structure of pylon F center of gyration line, and it can slide around the ring ring rotation for stressed support roller.Secondly, in lifting cage 2 bottom peripheries adjustable support is set and pushes up the device of pulling, the device of this support can being pulled after lifting cage lifting operation is finished locking is being pulled in body of the tower 1, and so lifting cage 2 lower parts can more firmly be fixed on body of the tower 1.Once more, be provided with one downward vertically in roughly isometric with the lifting cage 2 basically vertical connection strut bar structure body B2 of tailstock 4 in tailstock 4 adjacent teeth rotating disk places, and be provided with one in the tailstock distal portion and draw and tiltedly draw connection strut bar structure body B1 in contiguous ring ring place and vertical connection strut bar structure body joint to declivity, be provided with one or two stressed support roller in the junction, this stressed support roller is then sheathed to be attached on the ring ring; When tower crane Job Operations pylon F rotated, stressed support roller while concentric on ring ring rotated synchronously.
The arm of force B of mechanism that makes a concerted effort can not extend distance between the stressed fulcrum and the arm of force limitedly; That is the arm of force B of mechanism that makes a concerted effort will form fulcrum as the tooth rotating disk 15 of the pylon F of tower crane center of gyration, and tailstock 4 forms arm of force effect, and then the tailstock microscler one-tenth arm of force of healing is longer, and it is more powerful to bear load-carrying capacity.This is in the tailstock tail end because of a client link, but other end roll-sliding ground coupling sleeve is located at the arm of force of the ring ring of the lifting cage 2 bottoms B of mechanism that makes a concerted effort and has been formed the load of arm is transmitted the body of the tower of transferring to lifting cage bottom and born via arm, arm pull bar, upper frame, tailstock pull bar, tailstock and the arm of force B of mechanism that makes a concerted effort, in this way, the center of gravity that body of the tower 1 bears load also reduces many, and the load-carrying capacity of body of the tower 1 is more powerful.
Simultaneously, lifting cage 2 length also suitably increase and have also increased the Heavy load tower crane device and bear load-carrying capacity; Moreover the load that body of the tower bore, stressed also the transfer by body of the tower bracketing fixed frame A are delivered to building Lou Tisuo and share and bearing, thus body of the tower also have commonly use the crane machine body of the tower more powerful bear heavily loaded ability.See through the make a concerted effort function effect of the B of mechanism of the arm of force, the ability of Heavy load tower crane device lift cargo, bearing load had novelty, break through greatly, can have more several times or bigger handling ability than the crane machine that uses now.
The arm bracing frame comprises the arm bracing frame C and the D of two nested structure differences, and the first cover arm bracing frame C is arranged at the arm end, and it approximately is between arm overall length 1/2nd to 2/3rds zones that the second cover arm bracing frame D is arranged at.The effect of installing arm bracing frame D mainly is when the tower crane construction operation, and arm bracing frame C exceeds certain partly construction platform scope and when implementing the omnidistance heavily loaded lifting job of loading greatly of arm again, just can use arm bracing frame D; Implement this lifting job, the arm jacking lifting machine E of an exclusive equipment of the essential configuration of arm bracing frame, thus live the load that the arm bracing frame bears arm by arm jacking lifting machine E jacking.
The characteristics of arm bracing frame D are that the setting that is it can not hinder the operation of tackle block between arm 3 whole process, suitably height space position is maked somebody a mere figurehead above the tackle block of arm walking track in its installing, about arm bracing frame D between the frame distance and superjacent air space have enough gaps can pass through tackle block.
The effect of arm bracing frame C and D is to shortening the distance between arm 3 and the construction floor, so that arm jacking lifting machine E jacking when supporting arm 3 the required height that rises reduce, shorten the lifting stroke, make arm jacking lifting machine E be more prone to operation and increase the stability and the supporting capacity of operation, and arm jacking lifting machine E can reduce the height of construction.
The internal frame body E2 that is characterised in that of arm jacking lifting machine E is set in the outer framework E1 space slidably and slides with respect to outer framework vertical length direction liftable, and establishes a driving unit E7 to drive internal frame body oscilaltion campaign in one of outer framework side first half.Between among outer framework two outsides, be provided with the locking device again, when internal frame body lifting operation or lift work location, utilize the locking device to fix internal frame body and make and remain on locating point.The rear and front end, bottom of outer framework is provided with the support road wheel, and being movably walking as arm jacking lifting machine E has supporting role concurrently.
Arm jacking lifting machine E is placed on the construction floor, at any time can promote to divide a word with a hyphen at the end of a line arm bracing frame C or D below with lifting jacking support arm 3, so, the firm door type structure supporting body of arm jacking lifting machine E and body of the tower 1 collaborative formation arm two ends is born more heavy duty; The jacking of arm jacking lifting machine E supports and makes the arbitrary position of arm total length all have extraordinary heavily loaded load-carrying capacity making a concerted effort that the collaborative body of the tower of effectiveness forms.
Followingly describe the Cui embodiment of the utility model one Heavy load tower crane device in detail according to Fig. 1～Figure 10; In the Cui embodiment shown in this is an exemplary embodiments of the present utility model, and it has more than and is limited to this embodiment.
Mainly comprise at the Heavy load tower crane device shown in Fig. 1 scheme drawing: body of the tower 1 is firmly connect be supported on that building building body H goes up and can be with the tower crane load transfer to building the body of the tower bracketing fixed frame A that building body H bears respectively, and be arranged at tailstock 4 head and ends and lifting cage 2 bottoms with the arm of force that the forms pylon F arm 3 big load bearing capacities B of mechanism that makes a concerted effort, and it is extraordinary to constitute arm 3, the arm jacking lifting machine E of the arm bracing frame C of bigger load bearing capacity and arm bracing frame D and exclusive outfit; These unit mechanisms synergies have formed significant huge force action, thereby have formed the bigger heavily stressed handling conveying function of Heavy load tower crane device.Now narrate it respectively.
The formation of body of the tower bracketing fixed frame A: as shown in Figure 1, each is suitably highly located to lie in body of the tower, that is (between about 15～24 meters) are provided with one and overlap body of the tower bracketing fixed frame A between position that is enough to body of the tower supported strong effect and preferable economy principle most such as the main base pitch of per 5～8 joints, one end installing is connecting body of the tower 1, and the other end is arranged on the floor with opposite position or building body facade.
Body of the tower bracketing fixed frame A contains frame A1 and the A2 (see figure 2) that two joints are capable of being combined or separate, it has certain suitable length, and width is slightly less than space width in main base pitch 1-n framework of body of the tower 1 and can makes frame A1 cover become owner of in base pitch 1-n framework and connect fixing with the framework column; Body of the tower 1 is by main base pitch 1-n, 1-n ... stack combinations constitutes.Frame A1 width has four mounting plate A3 to the both sides outsides corresponding to main base pitch 1-n four each solid welding of root post inside line, and is fastening with the combination of bolt and nut fastener by the through hole of the corresponding mounting plate A3 in the column outside with four detouchable adapter plate A4 in addition when it is installed on main base pitch 1-n column.Frame A1 engages the end width has each a pair of fixed combination plate A7 with frame A2 to the two sides solid welding, both dock combination then with two compoboard A8 of detouchable from lateral surface with bolt fastener locking, two joint frame A1, A2 promptly constitute one.
Frame A2 bottom right-hand member and left side are located each solid welding a crossbeam A6, two crossbeam A6 two outer ends have through hole, thus can bolt A5 pass crossbeam through hole and ground, cooresponding building slope through hole again with the nut component locking, frame A2 is fixed on the floor plates effectively.Other frame A2 installs example, also can be fit to be installed on the building body vertical plane wall with different frames 2 structures, and this example is not shown in figure.Both sides, the contiguous mounting plate A3 position of frame A1 right-hand member section are provided with body of the tower and tiltedly draw strut bar A9, and its end is hinged on frame A1, and the other end is fixed on Lou Tishang, and body of the tower is lateral stressed as strengthening.
In addition, another example (see figure 10) of body of the tower bracketing fixed frame A, it is to be that frame Aa is that an overall architecture with the above-mentioned different places of body of the tower bracketing fixed frame A shown in Figure 2, be with the fixed combination plate A7 that does not have above-mentioned frame A1, A2 junction and setting, detachable compoboard A8, other each part structure is all identical with mounting means.
See through the effect of body of the tower bracketing fixed frame A, the load of Heavy load tower crane device, stressed is transmitted to transfer to build the building body and bear, therefore the load bearing capacity of body of the tower 1 increases incomparably.
The make a concerted effort formation of the B of mechanism of the arm of force: represented by Fig. 1 front elevational schematic and Fig. 3 birds-eye view, front elevation, be provided with in lifting cage 2 lower ends one around around the lifting cage 2 and with the circular ring type track B9 of the same line of centers of center of gyration line of the tooth rotating disk 15 of pylon F center of gyration, ring ring B9 is with support elbow B10 and connect strut bar B11, the B12 framework is welded on the framework of lifting cage 2, constitutes one with the lifting cage; Track B9 adopts tubular material such as steel pipe or other product moulding to make.
Secondly, in tailstock 4 front end both sides promptly near tooth rotating disk 15 positions be provided with one have certain-length downward vertically in tailstock vertical connect strut bar structure body B2, and tailstock 4 afterbodys be provided with one certain-length arranged connect strut bar structure body B1 downwards and towards tiltedly drawing of tiltedly drawing of ring ring B9, both are joining near ring ring B9 place and are making up with bolt assembly B6.Its lower end part is provided with one group or two groups of stressed support roller B7, B7, and stressed support roller B7 is fixed on vertical connection strut bar structure body B2 lower end part with axle B8, bracing beam B4 with bolt assembly B5 combination by bearing; But stressed support roller B7 has corrective action with crack nargin between ring ring B9 cooperates.
Once more, respectively be provided with one or a pair of adjustable support top device B3 that pulls around in lifting cage 2 bottoms, it can be fixed tightly in lifting cage 2 bottoms on the body of the tower 1; When the 2 lifting operations of lifting cage, outward winding and loosen the adjustable support top device B3 that pulls, implement to screw before the tower crane lifting job support device B3 that pulls lifting is finished after and make to push up and pull at the column of body of the tower 1.Mainly to be lifting cage 2 bears not exclusively depend on to touch in the body of the tower column and roll via what four corners, lifting cage 2 bottoms were provided with from the arm of force the stressed of the B of mechanism of making a concerted effort in its effect, the guiding support roller that slides guiding support up and down as lifting cage 2 is transferred to body of the tower 1, but main see through the pull effect of device B3 of a support and make lifting cage 2 bottoms be fixed in body of the tower 1, it is stressedly directly born for body of the tower 1 thus, and this makes pylon F and lifting cage 2 more stable.
When the Heavy load tower crane device carries out construction operation when operation, pylon F is activated running, then the arm of force make a concerted effort the B of mechanism also in company with tailstock 4 with the 15 concentricity line lockings rotations of tooth rotating disk, stressed support roller B7 is attached to the ring ring B9 rotation of rolling and slides.The load of arm 3 is transmitted and to be transferred to body of the tower 1 by arm pull bar 9, upper frame 5, tailstock pull bar 10, the arm of force B of mechanism that makes a concerted effort.
By the arm of force function that the B of mechanism formed of making a concerted effort, tooth rotating disk 15 is constituted as a stressed fulcrum, and tailstock 4 becomes arm of force effect, and its length is longer, that is from tooth rotating disk 15 centers to tailstock the make a concerted effort distance of pivoting point G of mechanism of 4 terminal and the arm of forces is longer, lifting handling load-carrying capacity is more greatly; Moreover the increase of lifting cage 2 length is also played the effect that increases arm 3 handling load-carrying capacitys as the lengthening of tailstock 4 distances that form the arm of force; And the synergy that the arm of force is made a concerted effort between the B of mechanism and lifting cage 2 and body of the tower 1 three also greatly reduces tower crane load, stressed center of gravity, makes the more firm safety of tower crane operation.
The arm of force B of mechanism that makes a concerted effort still enumerates other two kinds of example patterns in the present embodiment, and wherein a kind of pattern is as the birds-eye view of Fig. 4, front elevation and partly shown in the cutaway view.It constitutes with aforementioned shown in Figure 3 roughly the same, and difference is in ring ring and stressed support roller.No longer be illustrated to above-mentioned similar part in this example.In this example, ring ring B17 is a sheet material former; Stressed support roller is provided with three groups, wherein one group of stressed support roller B15 and aforementioned stressed support roller B7 homomorphosis, it is installed on the vertical connection strut bar structure body B2 by axle center, bearing B16, and against the bottom surface of living in ring ring B17, mainly as the application force that draws on bearing; Two groups of stressed support roller B13 then depend on against border in ring ring B17 in addition, are located on the strut-framed beam of vertical connection strut bar structure body B2, mainly as the application force that bears laterally or tiltedly draw with screw rod axle center, bearing set B14 assembling.
Secondly, the concrete example of another kind of pattern is shown in Fig. 5 scheme drawing.In this example, the arm of force B of mechanism that makes a concerted effort is provided with two groups of stressed back-up roller wheels Bb (B15, B23), and it is mainly as bearing the load effect; Other establishes one group of motorized motions power pack Ba, as the arm of force assistive drive power of the B of mechanism under Heavy load tower crane device heavy load operating condition of making a concerted effort, and the make a concerted effort running of the B of mechanism of the main drive motor group 11 driven in synchronism pylon F of collaborative pylon F running and the arm of force.
Motorized motions power pack Ba drives the make a concerted effort rotation system of the B of mechanism of the arm of force and adopts to make to be located at bracing beam B25 and to connect and be fixed in the chain B18 engagement that the last sprocket wheel B19 of vertical connection strut bar structure body B2 and the circumferencial direction that is located at week in the ring ring B17 are reeled, and makes the sprocket wheel B20 that is located on the motor unit B22 force-output shaft mesh the rotating driving device of transferring power through chain B21 and sprocket wheel B19, B19 again.
Above-mentioned stressed back-up roller wheels Bb (B15, B23) depends on rotationally and touches at ring ring B17 and bear stressed.Stressed support roller B23 is installed on the crossbeam B26 with axle center, bearing B24 and crossbeam is welded on the vertical connection strut bar structure body B2; The form of another stressed support roller B15, effect are identical with stressed support roller B15 shown in Figure 4.
The formation of arm bracing frame C and D: see Fig. 1 front elevation and Fig. 6 front elevation, right side view.Arm bracing frame C be one have suitable length as 2～5 meters and with the roughly wide oblong lightweight frame of width of arm 3, it is installed on the bearing of arm 3 ends with bolt fastener C3, the two column C1 left and right sides, upper semisection position also have and tiltedly draw strut bar C4, and bottom crossbeam C2 can supply the supporting role of arm jacking lifting machine E jacking.
Arm bracing frame D sees shown in Figure 7, be arranged at position, about 1/2nd to 2/3rds stage casing of arm total length, be characterized in making somebody a mere figurehead the suitable height place above arm 3 length horizontal directions two main long beams, moreover between column D1, the D2 of the outside and arm bracing frame D about the long beams of arm 3 Widths, two masters, reserve enough spaces nargin and allow tackle block 6 only not have well omnidistance the passing through of arm.At crossbeam D3, D4, crossbeam D3, D4 then are welded on 3 liang of long beams of master of arm inboard by short column D6, D7 and reinforcement elbow D8, D9 combination with bolt assembly D5 locking for column D1, D2.
The effect of arm bracing frame C and D is to shortening the distance between arm 3 and the construction floor, so that arm jacking lifting machine E jacking required highly reducing of rising when supporting arm 3, shorten the lifting stroke, make arm jacking lifting machine E be more prone to operation and increase stability and supporting capacity.
The formation of arm jacking lifting machine E: as shown in Figure 8, contain a vertical direction and have certain suitable length as the internal frame body E2 between 2～5 meters, it can slide and be sheathed on one up and down and have certain suitable length equally as between 2～5 meters and the internal vertical direction forms up and down among the outer framework E1 of a clearance envelope and by the support guide roller group guiding that E14 supports of upper end and four corners place's settings of zone, stage casing, see shown in Figure 9.The internal frame body top end face is provided with a horizontal direction and has certain-length at least greater than the jacking crossbearer 13 apart from length between the arm bracing frame D two column D1 to D2; The vertical length direction of internal frame body E2 two-phase subtend two outside middle positions respectively is provided with a fixing tooth row E3, by this tooth row as lifting or locking internal frame body E2 effect.Before and after the outer framework E1 relatively to about two outside first half cross bars position placed in the middle and the internal frame body E2 position that fixedly tooth row E3, E3 are corresponding respectively install the device E6 (as shown in Figure 9) that locks, front elevation the right diagrammatic sketch is a locking device detail drawing, and locking device E6 promotes jacking as internal frame body E2 and lives the usefulness of being fixed behind arm bracing frame C or the D.
The upper part corresponds to fixing tooth row E3 place the one driving unit E7 that contains bearing E15, bearing seat E4, gear E5, axle E16, driving handle E17 is set between outer framework E1 and the internal frame body E2, gear E5 is engaged in fixedly tooth row E3, utilizes rotating drive handle E17 can promote internal frame body E2.Four corners, outer framework E1 bottom have all around the parallel each other elongation body of rod, and the lever front end side elevation is provided with butt joint mounting plate E12, and it is as the usefulness that installs and fixes that detachable lengthening stabilization rod E8 is installed; What each lengthening stabilization rod E8 outer end was provided with the scalable height support to adjust the screw rod dish E11 that pulls, and it is as the effect of main supporting ﹠ stablizing arm jacking lifting machine E; End is provided with a pair of support that turns to and turns to road wheel E10 before wherein parallel each other a pair of of lengthening stabilization rod E8 in addition, the rear end then be provided with a pair of solid to support road wheel E9, be beneficial to moving and the supplemental support effect of arm jacking lifting machine E.
To utilize above-mentioned arm jacking lifting machine E to make arm 3 total lengths stride the width of cloth to have roughly equal load bearing capacity in order understanding better, below further to set forth its method of operation in the practice process.Be the example explanation now: when sending erecting stage, building, building ground to after large-scale big weight steel construction piece is finished by the originating firm manufacturing with the large-scale big weight steel construction piece of handling, make truck drive into the body of the tower limit steel member lifted here near body of the tower, this moment a tower crane handling method of operation such as a following step 1: in operator's compartment 13 handle the control knobs drive via control panel 12 startings the drive motor group 11 of pylon F revolutions and tackle block 6 parallel motion winch 7 and with pylon F and tackle block 6 rotations and move to above the above-mentioned steel member; Step 2: sling steel member and rising of operation hoisting winding 8 to body construction floor corresponding height position, building; Step 3: operation control knob rotates to the target bearing that the steel member is wanted the installation site with pylon F, even also arm 3 is across directly over the installation targets position; Step 4: move to arm jacking lifting machine E under arm bracing frame C or the D this moment, rotational support adjust screw rod pull dish E11 make roof pressure on floor fixedly to prop up arm jacking lifting machine, then, prop up the arm bracing frame with driving handle E17 lifting internal frame body E2 and jacking, with locking device E6 internal frame body E2 is locked it again, the load of arm so far can be carried jointly by arm jacking lifting machine E and body of the tower 1; Step 5: operation control knob driving tackle block actuating unit 7 is walked crosswise tackle block and is moved to directly over the steel member desire installation targets position; Step 6: operation hoisting winding 8 is transferred to the installation targets position slowly with the steel member and is carried out assembling operation.So far promptly finish single job in this way.
The effect of the utility model:
1. be body of the tower 1 each suitably highly the place all be provided with body of the tower bracketing fixed frame A, it is coupled to one securely with body of the tower and building building body, has constituted that the Heavy load tower crane device bears load, each is very low to stressed center of gravity and tower crane equipment that formation is very firm; The load of tower crane is simultaneously also transferred to building Lou Tisuo by body of the tower bracketing fixed frame and is born, thereby it can bear bigger load than the current crane machine that generally uses under same structural condition.
2. be that the make a concerted effort effect of the B of mechanism of the arm of force constitutes tooth rotating disk 15 and is balance pivot, tailstock 4 becomes the arm of force, forms arm 3 loads and transmits and transfer to body of the tower 1 and bear via arm pull bar 9, upper frame 5, tailstock pull bar 10, the arm of force B of mechanism that makes a concerted effort; Be with tailstock from the tooth center of turntable to tailstock and the arm of force distance of making a concerted effort between the B of mechanism pivoting point G longer, arm 3 carrying heavy load abilities are just more powerful; Vertically extending to length of the cage of lifting simultaneously 2 also forms certain complementary effect.
3. also be the synergy of arm bracing frame C or arm bracing frame D and arm jacking lifting machine E, make and constitute a quite firm strong door shape support structure body between arm 3 and body of the tower 1 and the arm jacking lifting machine E three, thereby form extraordinary bigger heavily loaded function, and utilization aforementioned operation method more can make arm stride the width of cloth entirely and implement heavy load lifting job function omnidistancely, greatly improve the benefit of tower crane operation.
Though the utility model creation and efficacy advantages thereof are as previously mentioned, need be understood that under the category of the spirit that does not break away from this creation and this creation of being defined as the claim scope and can do different variations, change replacement.