CN103030070A - Portal crane capable of travelling and operating on ramp - Google Patents
Portal crane capable of travelling and operating on ramp Download PDFInfo
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- CN103030070A CN103030070A CN2012105798907A CN201210579890A CN103030070A CN 103030070 A CN103030070 A CN 103030070A CN 2012105798907 A CN2012105798907 A CN 2012105798907A CN 201210579890 A CN201210579890 A CN 201210579890A CN 103030070 A CN103030070 A CN 103030070A
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- ramp
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- transfer crane
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Abstract
The invention belongs to the field of hoisting and lifting machinery, and particularly relates to a portal crane capable of travelling and operating on a ramp. The portal crane comprises a left travelling cart, a right travelling cart, landing leg structures arranged on the travelling carts, main beams and a hoisting crab arranged on the main beams, wherein the landing leg structures particularly comprise fixed front and rear landing legs and telescopic landing legs that are arranged along the longitudinal ramp; hydraulic oil cylinders are arranged at the bottoms of the telescopic landing legs and particularly used for adjusting heights of the landing leg structures on the ramp, and keeping the landing leg structures in horizontal states; and cross shafts are arranged at the bottoms of the landing leg structures, so that the landing leg structures are in vertical states. The portal crane has the advantages that the portal crane can be in the horizontal state and the vertical state on the ramp all the time through adjustment of the hydraulic oil cylinders and the cross shafts, a ramp adjustment foundation is not required to be constructed, or the height and weight of the ramp adjustment foundation can be reduced greatly, the construction is simplified, the cost is saved, and the construction progress is accelerated.
Description
Technical field
The invention belongs to the hoisting and hanging mechanical field, be specifically related to a kind of can be on the ramp transfer crane of traveling and operation.
Background technology
Transfer crane is a kind of 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 installed two supporting legs as door-shaped frame under the support main beam, can directly walk at the ground orbit of flates, and the girder two ends can have overhanging cantilever beam.
Transfer crane has the characteristics such as the utilization of area rate is high, scope of work is large, it is wide to adapt to, highly versatile, therefore is used widely in the goods yard, harbour; Also on-the-spot for setting a roof beam in place, lift heavy wares etc. at construction operation by more use simultaneously, but existing transfer crane all designs in the plane and uses, and the general uneven in camp site or have the slope, transfer crane can't be at construction operation under the horizontality.
For the transfer crane problem of normal operation on the slope, the terms of settlement that those skilled in the art commonly use is by building supertronic basis (mostly being strip footing) levelling and placing track thereon, so that the supporting leg traveling of transfer crane is in the operation of carrying out on the track under the horizontality.The shortcoming of this kind terms of settlement is to build the supertronic basis has increased construction costs, and the supertronic basis can't reuse, and transfer crane must be built the supertronic basis again newly to an engineering.Therefore those skilled in the art be badly in need of a kind of can be on the ramp transfer crane scheme of traveling and operation.
Summary of the invention
The objective of the invention is according to above-mentioned the deficiencies in the prior art part, provide a kind of can be on the ramp transfer crane of traveling and operation, this transfer crane arranges hydraulic ram by the bottom at its telescopic legs and is in all the time horizontality to change the height of telescopic legs on longitudinal gradient, remains vertical state by center cross is set to realize that described telescopic legs and fixed supporting leg upwards rise and fall at upper and lower simultaneously bottom telescopic legs and fixed supporting leg.
The object of the invention realizes being finished by following technical scheme:
A kind of can be on the ramp transfer crane of traveling and operation, described transfer crane comprises two cover traveling carts, be arranged on leg structure, the girder on the described traveling cart and be arranged on crane carriage on the described girder, it is characterized in that described leg structure specifically is made of the telescopic legs that is vertical laying and fixed supporting leg, be provided with hydraulic ram between described telescopic legs and the described traveling cart, described hydraulic ram one end is fixed on the described traveling cart, and the other end is fixed in the bottom of described leg structure.
Described hydraulic ram is arranged with inner sleeve and outer sleeve outward, described outer sleeve top and described hydraulic ram top are fixing also can be moved up and down with described hydraulic ram is flexible, described inner sleeve bottom is fixing with described hydraulic ram bottom, described outer sleeve is arranged at upper end and both bearing fits of described inner sleeve, and between is provided with big nut in order to described hydraulic oil cylinder machinery locking.
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 the described traveling cart, also be provided with center cross between described fixed supporting leg and the described traveling cart simultaneously.
Described traveling cart bottom is provided with Locking Device, and described Locking Device specifically comprises the brake gear that is arranged on the wheel of described traveling cart bottom and the skate that is positioned at described wheel below.
Described crane carriage specifically by horizontal walking wheel, vertically walk driving and longitudiual truss and hoisting device and form, wherein said horizontal walking wheel supports fixing described longitudiual truss, described longitudiual truss supports the described driving of vertically walking, and described hoisting device is fixed in describedly vertically to be walked in the driving.
Advantage of the present invention is, transfer crane can be by namely ± 2 ° of ± 3.5%() with interior longitudinal gradient, can remove height and the weight of building the supertronic basis or greatly reducing the supertronic basis from, simplify construction, save cost, accelerating construction progress; Its leg structure can carry out difference of height in the ratio of slope setting range that allows regulates, and can electrodeless adjustment size, is accurate to the mm level, guarantees that transfer crane is in horizontality all the time; Its center cross can freely swing, and the horizontal wall inscription irregularity is had better comformability, guarantees that transfer crane is in vertical state all the time.
Description of drawings
Fig. 1 is transfer crane front elevation among the present invention;
Fig. 2 is transfer crane lateral plan among the present invention;
Fig. 3 is crane carriage front elevation among the present invention;
Fig. 4 is the partial enlarged drawing I of telescopic legs and traveling cart among Fig. 2 of the present invention;
Fig. 5 is the partial enlarged drawing II of fixed supporting leg and traveling cart among Fig. 2 of the present invention.
The specific embodiment
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:
Such as Fig. 1-5, mark 1-4 is respectively among the figure: girder 1, crane carriage 2, hoisting device 21, vertically walk driving 22, laterally 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, present embodiment be specifically related to a kind of can be on the ramp transfer crane of traveling and operation, this transfer crane mainly by two cover traveling carts 4 about the bottom, be arranged on leg structure 3 on the traveling cart 4, laterally connect the girder 1 of both sides leg structure 3 and be arranged on crane carriage 2 on the girder 1; Wherein the leg structure 3 of each side is comprised of the fixed supporting leg 31 that is positioned at the ramp high level and the telescopic legs 32 that is positioned at low level place, ramp, fixed supporting leg 31 and telescopic legs 32 can be regulated in the ratio of slope scope that difference of height allows, and can electrodeless adjustment size, be accurate to the mm level, guarantee that transfer crane is in horizontality all the time.
Shown in Fig. 4,5, the traveling cart 4 of transfer crane bottom adopts the double track form, and specifically anti-skidding skate 42, reductor, the braking motor by vehicle frame, wheel 41, brake gear, wheel 41 belows is formed by combining; Be provided with the center cross bearing between traveling cart 4 and telescopic legs 32, the center cross bearing specifically comprises cross-bearing 36 and center cross 37; Be provided with equally the center cross bearing between traveling cart 4 and fixed supporting leg 31, the center cross bearing specifically comprises cross-bearing 38 and center cross 39; Said structure adopts the beam transportation vehicle principle of design, and all wheels 41 are stressed, and evenly leg structure 3 can pass through center cross 37,39 heave and set on the direction of left, right, front and rear, remain vertical state, with adapt to ± 3% with interior horizontal wall inscription irregularity.
Shown in Fig. 1,2,4,5, be provided with fixed supporting leg 31 and the telescopic legs 32 that is vertical laying in the bottom of leg structure 3, the height of telescopic legs 32 in the vertical directions is regulated by hydraulic ram 33 and is driven, and adopts inner-outer sleeve big nut mechanical locking.Hydraulic ram 33 stroke 1m, satisfy ± 3.5% longitudinal gradient adjustment, by adjusting hydraulic ram 33, can change the height of telescopic legs 32, adjusting range is horizontal throw between telescopic legs 32 and the fixed supporting leg 31 by L(L) and longitudinal gradient gradient α determine, specifically, the hydraulic ram jacking Ltan α that makes progress during upward slope, the hydraulic ram Ltan α that bounces back downwards during descending, thus guarantee that all the time crossbeam is in horizontality all the time.Inner sleeve 35 and outer sleeve 34 are second insurance measures of fixed hydraulic oil cylinder 33 positions, and outer sleeve 34 is with hydraulic ram 33 flexible moving up and down, and inner sleeve 35 outer walls are carved with screw thread and are furnished with one piece of big nut.After hydraulic ram 33 reaches predetermined stroke, upwards screw big nut and prop up outer sleeve 34, thereby guarantee that further height of landing leg does not change.After the discrepancy in elevation leveling between fixed supporting leg 31 and the telescopic legs 32, the 4 forward travelings of motor-driven traveling cart, its climbing performance from dead stop is determined by the frictional behavior between the wheel track.
As shown in Figure 1, 2, 3, girder 1 adopts the triangular form girder, and the section assembling pin-and-hole connects, and girder 1 length is determined by horizontal span W and the lap of splice; Be provided with crane carriage 2 at girder 1, crane carriage 2 specifically by horizontal walking wheel 23, vertically walk driving 22 and longitudiual truss 24 and hoisting device 21 and form, wherein laterally walking wheel 23 supports fixedly longitudiual truss 24, longitudiual truss 24 supports vertically walks driving 22, hoisting device 21 is fixed in vertically in the driving 22, and its rated load weight determines according to actual needs, can be laterally, vertically move, vertical shift scope ± 50cm to be satisfying the 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 vertically walk driving 22 longitudinally truss 24 vertically moving, to finish accurate handling object.
Below in conjunction with concrete engineering the method for work of this transfer crane is done concrete introduction:
This engineering main line is overhead to be " product " word structure with the ground bridge at transversal surface, sequence of construction is the ground bridge of constructing first, rear construction overpass, because after established by the ground crane span structure to finish, the about 33m of main line bridge floor height, and girder erection by bridging machine spelling lifting difficulty is still adopted without the Bridge Erector platform for lining in the 0# southern side, be subjected to the impact of locus, the position of platform also can't adopt large-scale turned crane to set a roof beam in place.
1#～11# pier position wherein, ground bridge longitudinal gradient is+3.12%～-2.37%, satisfies the applicable gradient of transfer crane.The track foundation so directly lay railway sleepers on deck pavement, gate-type play hoisting crane and straddle on it and set a roof beam in place.Rail adopts two-orbit, and 2.2 meters on gauge just in time straddles on two beams stalks, stressed better and walking stable.
1) the unloaded traveling of transfer crane puts in place: the transfer crane zero load walks to walk to predetermined hoisting point position, at leg structure 3 level indicator and vertical angle calibrated disc are set, according to the portal crane rail longitudinal gradient, Real Time Observation level indicator and vertical angle calibrated disc, in time stop traveling if surpass deviation range, adjust the hydraulic ram 33 on the telescopic legs 32, after adjustment is finished the inner-outer sleeve black nut of hydraulic ram 33 is tightened, guarantee the vertical squareness of transfer crane, then continue forward traveling; Transfer crane traveling cart 4 rears send the special messenger to hold the wheel skid follow-up simultaneously.Treat that transfer crane walks to walk to after the predetermined hoisting point position, the running motor braking of closing and be automatically locked, automatically skate 42 stretches into wheel 41 times simultaneously, use again the timber wedge jam-pack, the fixed type wheel skid that connects mutually with bolt and rail in the rear security protection of down-hill position wheel, and again inspection AQL instrument and vertical angle calibrated disc, and hydraulic ram 33 inner-outer sleeve black nuts are tightened, draw anchor on the anti-collision wall reinforcing bar supporting leg with steel rope simultaneously.
2) fortune beam: utilize the height transfer crane that the T beam is had bad luck to the bridge floor beam transportation vehicle, beam transportation vehicle moves to forward the transfer crane below, is parked in predetermined hoisting point position.
3) transfer crane is set a roof beam in place: crane carriage on the transfer crane 2 is traversing to T beam suspension centre top, has tied the slow bale handle of two-shipper behind the steel rope, improve 50cm after, crane carriage 2 outside traversing about 1.5m make the T beam shift out the bent cap projection line, more slowly lifting.After T beam baselap is crossed the 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 the beam, the lengthwise position of T beam is finely tuned by vertical traveling of vertically walking driving 22, vertically the fine setting scope is ± 50cm, and at the vertical shift track of vertically walking driving 22 limiting device is set, it is excessive to prevent vertically walking driving 22 vertical shifts.Finish setting up of T beam behind the last beam that slowly falls.Require to carry out the fixing measure of T beam according to setting a roof beam in place 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 need set up at last.After whole hole erection is finished, continue to lay forward the transfer crane walking rails, the transfer crane zero load is walked to walk to the wait of desired location, lower hole and is set a roof beam in place.
Technique effect of the present invention is:
1. the difference of height (being telescopic legs and fixed supporting leg) before and after the supporting leg can be regulated in the ratio of slope scope that allows, and accomplishes stepless adjustment size (being accurate to mm); Cross-bearing can freely swing, and the horizontal wall inscription irregularity is had better comformability.Above measure can guarantee that gantry crane's supporting legs structure and crossbeam guarantee to be in vertical and horizontality all the time, satisfies the traveling requirement that vertically becomes under the sloping condition.
2. transfer crane can pass through ± 3.5% with interior longitudinal gradient, for the longitudinal gradient of large span is set a roof beam in place, can remove height and the weight of building the supertronic basis or greatly reducing the supertronic basis from, can simplify construction, saves construction cost, accelerate speed of application.Do not have the supertronic of building basis in particular cases, the utilization of this transfer crane has decisive meaning.
Claims (6)
- One kind can be on the ramp transfer crane of traveling and operation, described transfer crane comprises two cover traveling carts, be arranged on leg structure, the girder on the described traveling cart and be arranged on crane carriage on the described girder, it is characterized in that described leg structure specifically is made of the telescopic legs that is vertical laying and fixed supporting leg, be provided with hydraulic ram between described telescopic legs and the described traveling cart, described hydraulic ram one end is fixed on the described traveling cart, and the other end is fixed in the bottom of described leg structure.
- According to claim 1 a kind of can be on the ramp transfer crane of traveling and operation, it is characterized in that described hydraulic ram is arranged with inner sleeve and outer sleeve outward, described outer sleeve top and described hydraulic ram top are fixing also can be moved up and down with described hydraulic ram is flexible, described inner sleeve bottom is fixing with described hydraulic ram bottom, described outer sleeve is arranged at upper end and both bearing fits of described inner sleeve, and between is provided with big nut in order to described hydraulic oil cylinder machinery locking.
- According to claim 1 a kind of can be on the ramp transfer crane of traveling and operation, it is characterized in that 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.
- According to claim 1 a kind of can be on the ramp transfer crane of traveling and operation, it is characterized in that being provided with center cross between described telescopic legs and the described traveling cart, also be provided with center cross between described fixed supporting leg and the described traveling cart simultaneously.
- According to claim 1 a kind of can be on the ramp transfer crane of traveling and operation, it is characterized in that described traveling cart bottom is provided with Locking Device, described Locking Device specifically comprises the brake gear that is arranged on the wheel of described traveling cart bottom and the skate that is positioned at described wheel below.
- According to claim 1 a kind of can be on the ramp transfer crane of traveling and operation, it is characterized in that described crane carriage specifically by horizontal walking wheel, vertically walk driving and longitudiual truss and hoisting device and form, wherein said horizontal walking wheel supports fixing described longitudiual truss, described longitudiual truss supports the described driving of vertically walking, and described hoisting device is fixed in describedly vertically to be walked in the driving.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
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| CN103030070A true CN103030070A (en) | 2013-04-10 |
| CN103030070B CN103030070B (en) | 2016-02-17 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261270A (en) * | 2014-09-16 | 2015-01-07 | 太仓市金达机械厂 | Gantry crane |
| CN107089592A (en) * | 2017-05-25 | 2017-08-25 | 安徽兴宇轨道装备有限公司 | A kind of wheel angle adjusting means that gantry crane is deformed for trackless |
| CN107098265A (en) * | 2017-05-25 | 2017-08-29 | 安徽兴宇轨道装备有限公司 | A kind of running gear for trackless gantry crane |
| CN107140565A (en) * | 2017-05-25 | 2017-09-08 | 安徽兴宇轨道装备有限公司 | A kind of trackless deforms 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 |
| CN109319657A (en) * | 2017-07-31 | 2019-02-12 | 泰富重工制造有限公司 | A kind of slope operation high pedestal jib 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 |
| CN114604751A (en) * | 2022-05-16 | 2022-06-10 | 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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| CN203048438U (en) * | 2012-12-29 | 2013-07-10 | 中铁二十四局集团上海铁建工程有限公司 | Door type hoist capable of traveling and operating on slope |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261270A (en) * | 2014-09-16 | 2015-01-07 | 太仓市金达机械厂 | Gantry crane |
| CN107089592A (en) * | 2017-05-25 | 2017-08-25 | 安徽兴宇轨道装备有限公司 | A kind of wheel angle adjusting means that gantry crane is deformed for trackless |
| CN107098265A (en) * | 2017-05-25 | 2017-08-29 | 安徽兴宇轨道装备有限公司 | A kind of running gear for trackless gantry crane |
| CN107140565A (en) * | 2017-05-25 | 2017-09-08 | 安徽兴宇轨道装备有限公司 | A kind of trackless deforms 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 |
| CN107098265B (en) * | 2017-05-25 | 2019-09-03 | 薛恒鹤 | A kind of running gear for trackless gantry crane |
| CN109319657A (en) * | 2017-07-31 | 2019-02-12 | 泰富重工制造有限公司 | A kind of slope operation high pedestal jib 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 |
| CN114604751A (en) * | 2022-05-16 | 2022-06-10 | 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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|---|---|
| CN103030070B (en) | 2016-02-17 |
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