CN103030070B - A kind of can the transfer crane of traveling and operation on ramp - Google Patents
A kind of can the transfer crane of traveling and operation on ramp Download PDFInfo
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- CN103030070B CN103030070B CN201210579890.7A CN201210579890A CN103030070B CN 103030070 B CN103030070 B CN 103030070B CN 201210579890 A CN201210579890 A CN 201210579890A CN 103030070 B CN103030070 B CN 103030070B
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- transfer crane
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Abstract
The invention belongs to hoisting and hanging mechanical field, be specifically related to a kind of can the transfer crane of traveling and operation on ramp.The crane carriage that this transfer crane comprises left and right two cover traveling cart, the leg structure be arranged on traveling cart, girder and is arranged on girder, described leg structure specifically sets up forward and backward fixed supporting leg separately by longitudinally ramp and telescopic legs is formed, wherein the bottom of telescopic legs is provided with hydraulic ram, specifically in order to regulate the height of leg structure on ramp with maintenance level; Simultaneously bottom leg structure by arranging center cross in order to guarantee to be in vertical state.Advantage of the present invention is, transfer crane can be in horizontality and vertical state all the time by the adjustment of hydraulic ram and center cross on ramp; Height and the weight of building supertronic basis or greatly reducing supertronic basis can be removed from, simplify construction, cost-saving, accelerating construction progress.
Description
Technical field
The invention belongs to hoisting and hanging mechanical field, be specifically related to a kind of can the transfer crane of traveling and operation on ramp.
Background technology
Transfer crane is the one distortion of crane in bridge type, is mainly used in the loading and unloading operation of outdoor goods yard, stock ground goods, bulk goods.Its metal construction is as door-shaped frame, and install two supporting legs under support main beam, can directly walk on the track on ground, girder two ends can have overhanging cantilever beam.
Transfer crane has the features such as utilization of area rate is high, scope of work large, it is wide to adapt to, highly versatile, is therefore used widely in goods yard, harbour; Also be used for setting a roof beam in place, lifting heavy wares etc. at construction operation scene by more use simultaneously, but existing transfer crane all designs and uses in the plane, and the general uneven in camp site or there is slope, transfer crane cannot at construction operation under horizontality.
Cannot the problem of normal operation on the slope for transfer crane, the terms of settlement that those skilled in the art commonly use is levelling and place track thereon by building supertronic basis (mostly being strip footing), the operation carrying out under horizontality on track to make the supporting leg traveling of transfer crane.The shortcoming of this kind of terms of settlement is that building supertronic basis adds construction costs, and supertronic basis cannot reuse, and transfer crane, newly to an engineering, must build supertronic basis again.Therefore those skilled in the art be badly in need of a kind of can the transfer crane scheme of traveling and operation on ramp.
Summary of the invention
The object of the invention is according to above-mentioned the deficiencies in the prior art part, there is provided a kind of can the transfer crane of traveling and operation on ramp, this transfer crane is in horizontality by arranging hydraulic ram in the bottom of its telescopic legs all the time to change the height of telescopic legs on longitudinal gradient, upwards to rise and fall and remains vertical state simultaneously by arranging center cross bottom telescopic legs and fixed supporting leg to realize described telescopic legs and fixed supporting leg at upper and lower.
The object of the invention realizes being completed by following technical scheme:
A kind of can the transfer crane of traveling and operation on ramp, described transfer crane comprises two cover traveling carts, the leg structure be arranged on described traveling cart, girder and the crane carriage that is arranged on described girder, it is characterized in that described leg structure is specifically formed by the telescopic legs longitudinally laid and fixed supporting leg, hydraulic ram is provided with between described telescopic legs and described traveling cart, described hydraulic ram one end is fixed on described traveling cart, and the other end is fixed on the bottom of described leg structure.
Inner sleeve and outer sleeve is arranged with outside described hydraulic ram, described outer sleeve top and described hydraulic ram top are fixed and can be stretched with described hydraulic ram and move up and down, fix bottom described inner sleeve with bottom described hydraulic ram, described outer sleeve is arranged at the upper end of described inner sleeve and both bearing fits, is provided with big nut between in order to described mechanical lock of hydraulic cylinder only.
Described fixed supporting leg is arranged at the high level in described ramp, and described telescopic legs is arranged at the low level place in described ramp.
Be provided with center cross between described telescopic legs and described traveling cart, be also provided with center cross between described fixed supporting leg and described traveling cart simultaneously.
Be provided with Locking Device bottom described traveling cart, described Locking Device specifically comprises the brake gear be arranged on bottom described traveling cart on wheel and the skate be positioned at below described wheel.
Described crane carriage is specifically walked driving and longitudiual truss and hoisting device by horizontal walking wheel, longitudinal direction and is formed, wherein said horizontal walking wheel supports fixing described longitudiual truss, described longitudiual truss supports described longitudinal direction and walks driving, and described hoisting device is fixed on described longitudinal direction to be walked in driving.
Advantage of the present invention is, transfer crane is by ± 3.5%(namely ± 2 °) within longitudinal gradient, height and the weight of building supertronic basis or greatly reducing supertronic basis can be removed from, simplify construction, cost-saving, accelerating construction progress; Its leg structure can carry out difference of height adjustment in the ratio of slope setting range allowed, and can electrodeless adjust size, is accurate to mm level, guarantees that transfer crane is in horizontality all the time; Its center cross is swingable, has better comformability to horizontal wall inscription irregularity, guarantees that transfer crane is in vertical state all the time.
Accompanying drawing explanation
Fig. 1 is transfer crane front elevation in the present invention;
Fig. 2 is transfer crane lateral plan in the present invention;
Fig. 3 is crane carriage front elevation in the present invention;
Fig. 4 is the partial enlarged drawing I of telescopic legs and traveling cart in Fig. 2 of the present invention;
Fig. 5 is the partial enlarged drawing II of fixed supporting leg and traveling cart in Fig. 2 of the present invention.
Detailed description of the invention
Feature of the present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that the understanding of technical personnel of the same trade:
Be respectively as marked 1-4 in Fig. 1-5, figure: girder 1, crane carriage 2, hoisting device 21, longitudinal direction walk driving 22, horizontal walking wheel 23, longitudiual truss 24, leg structure 3, fixed supporting leg 31, telescopic legs 32, hydraulic ram 33, outer sleeve 34, inner sleeve 35, cross-bearing 36, center cross 37, cross-bearing 38, center cross 39, traveling cart 4, wheel 41, skate 42.
Embodiment: as shown in Figure 1, 2, the present embodiment be specifically related to a kind of can the transfer crane of traveling and operation on ramp, this transfer crane overlaps traveling cart 4 primarily of the left and right two of bottom, the girder 1 of the leg structure 3 be arranged on traveling cart 4, lateral connection both sides leg structure 3 and the crane carriage 2 that is arranged on girder 1; Wherein the leg structure 3 of each side is made up of the fixed supporting leg 31 being positioned at ramp high level and the telescopic legs 32 that is positioned at low level place, ramp, regulate within the scope of the ratio of slope that fixed supporting leg 31 and telescopic legs 32 can allow at difference of height, and can electrodeless adjust size, be accurate to mm level, guarantee that transfer crane is in horizontality all the time.
As shown in Figure 4,5, the traveling cart 4 bottom transfer crane adopts double track form, is specifically formed by combining by the anti-skidding skate 42 below vehicle frame, wheel 41, brake gear, wheel 41, reductor, braking motor; Between traveling cart 4 and telescopic legs 32, be provided with center cross bearing, center cross bearing specifically comprises cross-bearing 36 and center cross 37; Between traveling cart 4 and fixed supporting leg 31, be provided with center cross bearing equally, center cross bearing specifically comprises cross-bearing 38 and center cross 39; Said structure adopts beam transportation vehicle principle of design, all wheel 41 uniform force, and leg structure 3 can pass through center cross 37,39 heave and set on direction, left, right, front and rear, remains vertical state, adapting to ± 3% within horizontal wall inscription irregularity.
As shown in Fig. 1,2,4,5, be provided with the fixed supporting leg 31 in longitudinally laying and telescopic legs 32 in the bottom of leg structure 3, the height of telescopic legs 32 in the vertical direction regulates and is driven by hydraulic ram 33, adopts inner-outer sleeve big nut mechanical locking.Hydraulic ram 33 stroke 1m, meet ± 3.5% longitudinal gradient adjustment, by adjustment hydraulic ram 33, the height of telescopic legs 32 can be changed, adjusting range is the horizontal throw between telescopic legs 32 and fixed supporting leg 31 by L(L) and longitudinal gradient gradient α determine, specifically, hydraulic ram upwards jacking Ltan α during upward slope, during descending, hydraulic ram bounces back downwards Ltan α, thus ensures that crossbeam is in horizontality all the time all the time.Inner sleeve 35 and outer sleeve 34 are second safety measures of fixed hydraulic oil cylinder 33 position, and outer sleeve 34 stretches with hydraulic ram 33 and moves up and down, and inner sleeve 35 outer wall is carved with screw thread and is furnished with big nut one piece.After hydraulic ram 33 reaches predetermined stroke, upwards screw big nut and prop up outer sleeve 34, thus guarantee that height of landing leg does not change further.After discrepancy in elevation leveling between fixed supporting leg 31 and telescopic legs 32, motor drives the traveling forward of traveling cart 4, and its climbing performance from dead stop is determined by the frictional behavior between wheel track.
As shown in Figure 1, 2, 3, girder 1 adopts triangular form girder, and section assembling pin-and-hole connects, and girder 1 length is determined by horizontal span W and the lap of splice; Girder 1 is provided with crane carriage 2, crane carriage 2 is specifically walked driving 22 and longitudiual truss 24 and hoisting device 21 by horizontal walking wheel 23, longitudinal direction and is formed, wherein horizontal walking wheel 23 supports fixing longitudiual truss 24, longitudiual truss 24 supports longitudinally walks driving 22, hoisting device 21 is fixed on longitudinally to be walked in driving 22, and its rated load weight is determined according to actual needs, can laterally, vertically move, vertical shift scope ± 50cm to meet exactitude position requirement of setting a roof beam in place, and is provided with inhibiting device.After traveling cart 4 is by locking, crane carriage 2 by longitudinally walk driving 22 longitudinally truss 24 vertically moving, to complete accurate handling object.
Concrete introduction is done below in conjunction with the method for work of concrete engineering to this transfer crane:
This engineering main line is overhead is " product " word structure with ground bridge on transversal surface, sequence of construction is ground bridge of first constructing, rear construction overpass, after having established by ground crane span structure, main line bridge floor height is about 33m, and 0# southern side is without Bridge Erector platform for lining, still adopts girder erection by bridging machine spelling to lift difficulty, by the impact of locus, position of platform also cannot adopt large-scale turned crane to set a roof beam in place.
Wherein 1# ~ 11# pier position, ground bridge longitudinal gradient is+3.12% ~-2.37%, meets transfer crane and is suitable for the gradient.Therefore the track foundation that directly lays railway sleepers on deck pavement, gate-type plays hoisting crane and straddles on it and set a roof beam in place.Rail adopts two-orbit, 2.2 meters, gauge, just in time straddles on two panels beam stalk, stressed better and walking is stable.
1) the unloaded traveling of transfer crane puts in place: transfer crane zero load walks to walk to predetermined hoisting point position, leg structure 3 arranges level indicator and vertical angle calibrated disc, according to portal crane rail longitudinal gradient, Real Time Observation level indicator and vertical angle calibrated disc, if exceed deviation range to stop traveling in time, hydraulic ram 33 on adjustment telescopic legs 32, after having adjusted, the inner-outer sleeve black nut of hydraulic ram 33 is tightened, guarantee the vertical squareness of transfer crane, then continue traveling forward; Transfer crane traveling cart 4 rear sends special messenger to hold wheel skid follow-up simultaneously.After treating that transfer crane walks to walk to predetermined hoisting point position, running motor is closed and the braking that is automatically locked, automatically skate 42 stretches into wheel 41 times simultaneously, use timber wedge jam-pack again, at the fixed type wheel skid that down-hill position wheel rear security protection bolt and rail are linked, and inspection AQL instrument and vertical angle calibrated disc again, and hydraulic ram 33 inner-outer sleeve black nut is tightened, draw anchor on anti-collision wall reinforcing bar supporting leg with steel rope simultaneously.
2) beam is transported: utilize height transfer crane to have bad luck T beam on bridge floor beam transportation vehicle, beam transportation vehicle moves to forward below transfer crane, is parked in predetermined hoisting point position.
3) transfer crane is set a roof beam in place: the crane carriage 2 on transfer crane is traversing above T beam suspension centre, has tied the slow bale handle of two-shipper after steel rope, and after improving 50cm, crane carriage 2 is traversing about 1.5m outwards, makes T beam shift out bent cap projection line, more slowly promotes.After T beam baselap crosses bent cap end face, crane carriage 2 is inwardly traversing to treating frame T beam support position again, carry out the centering of bearing at the bottom of beam, the lengthwise position of T beam is finely tuned by the longitudinal traveling longitudinally walking driving 22, longitudinal fine setting scope is ± 50cm, and limiting device is set on the vertical shift track longitudinally walking driving 22, prevent longitudinally walking driving 22 vertical shift excessive.The erection of T beam is completed after the last beam that slowly falls.Require according to setting a roof beam in place the fixing measure carrying out T beam simultaneously.Follow-up T beam is adopted to use the same method and is set up, and the 1# side bar of transfer crane bale handle position needs last erection.After whole hole erection completes, continue to lay transfer crane walking rails forward, transfer crane zero load is walked to walk to the wait of lower opening desired location and is set a roof beam in place.
Technique effect of the present invention is:
1. the ratio of slope scope that the difference of height (i.e. telescopic legs and fixed supporting leg) before and after supporting leg is allowing can regulate, and accomplishes stepless changing size (being accurate to mm); Cross-bearing is swingable, has better comformability to horizontal wall inscription irregularity.Above measure can guarantee that gantry crane's supporting legs structure and crossbeam ensure to be in vertical and horizontality all the time, meets the traveling requirement under the condition of longitudinal change slope.
2. transfer crane is by the longitudinal gradient within ± 3.5%, for the longitudinal gradient of large span is set a roof beam in place, can remove height and the weight of building supertronic basis or greatly reducing supertronic basis from, can simplify construction, save construction cost, quickening speed of application.Build supertronic basis in particular cases not having, the utilization of this transfer crane has decisive meaning.
Claims (4)
1. one kind can the transfer crane of traveling and operation on ramp, described transfer crane comprises two cover traveling carts, be arranged on the leg structure on described traveling cart, girder and the crane carriage be arranged on described girder, it is characterized in that described leg structure is specifically formed by the telescopic legs longitudinally laid and fixed supporting leg, hydraulic ram is provided with between described telescopic legs and described traveling cart, described hydraulic ram one end is fixed on described traveling cart, the other end is fixed on the bottom of described leg structure, inner sleeve and outer sleeve is arranged with outside described hydraulic ram, described outer sleeve top and described hydraulic ram top are fixed and can be stretched with described hydraulic ram and move up and down, fix bottom described inner sleeve with bottom described hydraulic ram, described outer sleeve is arranged at the upper end of described inner sleeve and both bearing fits, be provided with big nut between in order to stop described mechanical lock of hydraulic cylinder, described fixed supporting leg is arranged at the high level in described ramp, described telescopic legs is arranged at the low level place in described ramp.
2. according to claim 1 a kind of can the transfer crane of traveling and operation on ramp, it is characterized in that being provided with center cross between described telescopic legs and described traveling cart, be also provided with center cross between described fixed supporting leg and described traveling cart simultaneously.
3. according to claim 1 a kind of can the transfer crane of traveling and operation on ramp, it is characterized in that being provided with Locking Device bottom described traveling cart, described Locking Device specifically comprises the brake gear be arranged on bottom described traveling cart on wheel and the skate be positioned at below described wheel.
4. according to claim 1 a kind of can the transfer crane of traveling and operation on ramp, it is characterized in that described crane carriage is specifically walked driving and longitudiual truss and hoisting device by horizontal walking wheel, longitudinal direction and formed, wherein said horizontal walking wheel supports fixing described longitudiual truss, described longitudiual truss supports described longitudinal direction and walks driving, and described hoisting device is fixed on described longitudinal direction to be walked in driving.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210579890.7A CN103030070B (en) | 2012-12-28 | 2012-12-28 | A kind of can the transfer crane of traveling and operation on ramp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210579890.7A CN103030070B (en) | 2012-12-28 | 2012-12-28 | A kind of can the transfer crane of traveling and operation on ramp |
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| CN103030070A CN103030070A (en) | 2013-04-10 |
| CN103030070B true CN103030070B (en) | 2016-02-17 |
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| CN104261270A (en) * | 2014-09-16 | 2015-01-07 | 太仓市金达机械厂 | Gantry crane |
| CN107089592B (en) * | 2017-05-25 | 2019-08-09 | 薛恒鹤 | A kind of wheel angle regulating device for trackless deformation gantry crane |
| CN107098265B (en) * | 2017-05-25 | 2019-09-03 | 薛恒鹤 | A kind of running gear for trackless gantry crane |
| CN107140565B (en) * | 2017-05-25 | 2018-10-26 | 安徽兴宇轨道装备有限公司 | A kind of trackless deformation gantry crane |
| CN107473096A (en) * | 2017-08-24 | 2017-12-15 | 芜湖市长江起重设备制造有限公司 | A kind of portal structure of bridge crane |
| CN114197410A (en) * | 2021-11-05 | 2022-03-18 | 中国电建集团华东勘测设计研究院有限公司 | Hydropower station door machine capable of being accurately positioned |
| CN114604751B (en) * | 2022-05-16 | 2022-07-19 | 中交第一航务工程局有限公司 | Method for mounting twister king character block based on gantry crane |
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| CN103030070A (en) | 2013-04-10 |
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