CN103274313B - Tail suspending apparatus - Google Patents
Tail suspending apparatus Download PDFInfo
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- CN103274313B CN103274313B CN201310228210.1A CN201310228210A CN103274313B CN 103274313 B CN103274313 B CN 103274313B CN 201310228210 A CN201310228210 A CN 201310228210A CN 103274313 B CN103274313 B CN 103274313B
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- movable pulley
- vehicle frame
- rack
- pulley rack
- slipping tail
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Abstract
The invention discloses a tail suspending apparatus, and relates to the technical field of the engineering machinery. A technical problem of high cost existing in the prior art is solved. The tail suspending apparatus comprises a running gear, a vehicle frame, a platform vehicle, a push-pull device, a movable pulley rack and flexible connecting pieces, the running gear comprises a running mechanism and a frame, the frame is connected with the vehicle frame, the vehicle frame is connected with the platform vehicle, and the running mechanism can drive the frame and the vehicle frame to move and drives the platform vehicle to move through the frame and the vehicle frame; the movable pulley rack is movably connected with movable pulleys, and the push-pull device can drive the movable pulley rack to fall ahead or back relative to the platform vehicle; the flexible connecting pieces are annular in shape and are wound on the movable pulleys on the movable pulley rack, and the portions of the flexible connecting pieces depart from the movable pulleys on the movable pulley rack are provided with hoisting structures used for connecting hoisting apparatuses; and the frame is connected with spandrel girders. The above technical scheme can reduce the cost of the tail suspending apparatus and increase the safety of the tail suspending apparatus.
Description
Technical field
The present invention relates to technical field of engineering machinery, be specifically related to a kind of slipping tail equipment.
Background technology
Along with the development of domestic industry, the Larger Engineering Projects such as oil, petrochemical industry, nuclear power, wind-powered electricity generation, iron and steel go into operation successively, the main equipment installed and used is needed to get more and more in project, in the process of these main equipments of lifting, how to realize low cost, high efficiency and lift accurately, directly affecting propelling progress and the effect of engineering item.To the lifting of large-scale vertical equipment, generally all adopt both at home and abroad at present and lift hanging shift method, this method needs to use multiple runabout crane (being object with crawler crane) together operation herein simultaneously, be divided into main hoisting crane and slipping tail crane, wherein slipping tail crane participates in lifting as slipping tail machine.
Adjust in the process of erectility by Large-scale Hoisting equipment by horizontality, for proterctive equipment afterbody is not damaged and adopt certain machine to hang the afterbody of equipment, this process is slipping tail, and this machine being used for realizing slipping tail is called slipping tail machine.
The lifting slipping tail of the medium-and-large-sized vertical equipment of prior art mainly uses slipping tail crane to realize.The method of this slipping tail is combined with main hoisting crane one piece, and the suspension centre of main hoisting crane 1 is arranged on the top of hanging device 3 center of gravity as shown in Figure 1, and the suspension centre of slipping tail crane 2 is arranged on the bottom of equipment center of gravity.In hoisting process, after equipment is hung saddle by main hoisting crane together with slipping tail crane, there is the mode of two kinds of slipping tails:
1, main hoisting crane forward direction walking, revolution also lifting hook, slipping tail crane unclamps suspension hook gradually, makes equipment slowly become erectility by horizontality, realizes reverse slipping tail;
2, slipping tail crane is walked forward, is turned round, and main hoisting crane is turned round thereupon and lifting hook makes equipment upright, realizes slipping tail.
Along with the fast development of domestic economy, increasing Larger Engineering Projects needs exploitation, erecting equipment lifting weight constantly increases, and also constantly increases the requirement of slipping tail machine, is the problem that the scheme of slipping tail machine mainly exists following two aspects in prior art with crawler crane:
1, because equipment is when lifting, its weight is together shared by main hoisting crane and slipping tail crane, slipping tail crane must bear the weight of equipment half, the load-carrying ability of slipping tail crane is inversely proportional to quantity, no matter be a small amount of slipping tail crane that employing multiple stage slipping tail crane or load-carrying ability are higher, the cost of this slipping tail machine is higher.
2, the final assembly cycle of slipping tail crane is long, and efficiency comparison is low, and complete machine aspect ratio is higher.
Summary of the invention
The object of the invention is to propose a kind of slipping tail equipment, solve prior art and there is the high technical matters of cost.In addition, optimal technical scheme provided by the invention also has the advantages such as structure is simple, installation effectiveness is high, not easily turn on one's side, safety is good.
For achieving the above object, the invention provides following technical scheme:
The slipping tail equipment that the embodiment of the present invention provides, comprises running gear, vehicle frame, platform truck, push-pull device at fixed, movable pulley rack and flexible connecting member, wherein:
Described running gear comprises traveling gear and support body, described support body is connected with described vehicle frame, described vehicle frame is connected with described platform truck, and described traveling gear can drive described support body and described vehicle frame to move and drive described platform truck to walk by described support body and described vehicle frame;
Described movable pulley rack is connected with movable pulley, described movable pulley can rotate relative to described movable pulley rack around the active connection place of itself and described movable pulley rack, and described push-pull device at fixed can drive described movable pulley rack relative to described platform truck along predetermined party forward or backward;
Described flexible connecting member is annular, and described flexible connecting member is wound around on the movable pulley in described movable pulley rack, and the part of movable pulley that described flexible connecting member deviates from described movable pulley rack be provided with to connect hanging device hang access node structure;
The top of described support body is connected with at least one bearing beam.
In one preferably or alternatively embodiment, described bearing beam is movably connected on described support body, described bearing beam can rotate relative to described support body around the active connection place of itself and described support body, the bearing of trend of the pivot center of described bearing beam and described movable pulley rack advance relative to described platform truck or the direction that retreats perpendicular.
In one preferably or alternatively embodiment, described slipping tail equipment also comprises quiet pulley yoke and guide pulley rack, wherein:
Described quiet pulley yoke is fixedly connected with described vehicle frame, and described quiet pulley yoke is connected with quiet pulley, and described quiet pulley can rotate relative to described quiet pulley yoke around the active connection place of itself and described quiet pulley yoke;
Described guide pulley rack is fixedly connected with described platform truck, and described guide pulley rack is connected with leading sheave, and described leading sheave can rotate relative to described guide pulley rack around the active connection place of itself and described guide pulley rack;
The position of described leading sheave is lower than described quiet pulley, and described flexible connecting member is wound around described quiet pulley, and described leading sheave presses on the outside of described flexible connecting member.
In one preferably or alternatively embodiment, the bottom of described movable pulley rack is connected with roller, and described roller can rotate relative to described movable pulley rack around the active connection place of itself and described movable pulley rack;
Described platform truck is also fixedly connected with after poppet, described after poppet is provided with slideway, the bearing of trend of the length direction of described slideway and the pivot center of described bearing beam is perpendicular, and described push-pull device at fixed drives described roller to roll on described slideway by described movable pulley rack.
In one preferably or alternatively embodiment, described running gear is caterpillar chassis, described traveling gear is creeper undercarriage, described support body is relative two track frames in position, be provided with crawler belt outside each described track frame, described vehicle frame is connected between two relative described track frames of position.
In one preferably or alternatively embodiment, relative two the described track frames in position are all connected with rigid stiffener elements separately and between described vehicle frame, wherein:
Described rigid stiffener elements comprises adjusting screw(rod) and screwed pipe, and described adjusting screw(rod) is embedded in described screwed pipe, and for being threaded between described adjusting screw(rod) with described screwed pipe;
Described adjusting screw(rod) and described screwed pipe one of them be connected with described vehicle frame, wherein another is connected with described track frame for described adjusting screw(rod) and described screwed pipe.
In one preferably or alternatively embodiment, described push-pull device at fixed is horizontal translocation oil cylinder, the cylinder barrel and piston rod of described horizontal translocation oil cylinder one of them be connected with described vehicle frame, wherein another is connected with described movable pulley rack for cylinder barrel and the piston rod of described horizontal translocation oil cylinder.
In one preferably or alternatively embodiment, described flexible connecting member is that hawser is made.
In one preferably or alternatively embodiment, the actuating unit of described running gear and described push-pull device at fixed and the control setup of described actuating unit are all arranged in described platform truck.
In one preferably or alternatively embodiment, the below of the wheel of described platform truck is also equipped with track, and the wheel of described platform truck compresses on the track.
Based on technique scheme, the embodiment of the present invention at least can produce following technique effect:
In the slipping tail equipment that the embodiment of the present invention provides, what flexible connecting member (be preferably hawser make) is provided with connect hanging device (being called for short: equipment) hangs access node structure, needs are connected to from horizontality lifting to the vertical hanging device of plumbness by hanging access node structure, then push-pull device at fixed (being preferably horizontal translocation oil cylinder) is made to drive movable pulley rack advance relative to platform truck or retreat, movable pulley rack is advanced or can be pulled flexible connecting member by movable pulley while retrogressing, and pull hanging device by flexible connecting member, hanging device is overturn.Because bearing beam (being preferably Rotatable load-bearing beam) is positioned at support body, during hanging device upset, bearing beam can hold the bottom of hanging device in hoisting process, share the lift heavy of main crane, hanging device can slide and rotate final realization and be erected by bearing beam in slipping tail process on bearing beam.In cost, the slipping tail machine that the embodiment of the present invention provides is compared with existing crawler crane, do not get on the bus structure division (this part by lifting mode realize slipping tail operation), the push-pull device at fixed of increase and bearing beam, relative to structure division of getting on the bus, greatly reduce the cost of product.
The lift system of the movable pulley rack primarily of horizontal translocation oil cylinder, leading sheave, band roller that optimal technical scheme of the present invention provides and hawser composition and rotatable bearing beam, complete machine cost compared with prior art also can be more than drop by half, so solve prior art to there is the high technical matters of cost.
In addition, optimal technical scheme provided by the invention also at least can produce following technique effect:
1, installation effectiveness: owing to not having boom system etc. to get on the bus structure division, product structure is more simple, and the installation effectiveness of complete machine also can promote greatly.
2, in the process of lifting means, the power passing to slipping tail machine becomes horizontal force by pulley by vertical power, hoisting force is provided by horizontal translocation oil cylinder, complete machine aspect ratio is lower, machine gravity position is also lower, before being formed complete machine, tilting moment is also less, so not easily turn on one's side in slipping tail operation process, so safety in utilization is better.
3, the angle that rotatable bearing beam can promote along with hanging device changes and rotates, and is adjusted to hanging device upright in good time.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is slipping tail crane when using crawler crane to carry out slipping tail operation as slipping tail crane and main hoisting crane in prior art, the schematic diagram of annexation between main hoisting crane and hanging device;
The schematic diagram of the annexation when slipping tail machine that Fig. 2 provides for the embodiment of the present invention carries out slipping tail operation to hanging device between slipping tail machine and hanging device;
Fig. 3 is the schematic diagram when slipping tail machine shown in Fig. 2 is not connected with hanging device;
Fig. 4 is another schematic diagram when the slipping tail machine shown in Fig. 2 is not connected with hanging device;
Hawser and the schematic front view of annexation between leading sheave, quiet pulley and movable pulley in the slipping tail machine that Fig. 5 provides for the embodiment of the present invention;
Fig. 6 is for looking schematic diagram in a left side for structure shown in Fig. 5;
Fig. 7 is the schematic top plan view of structure shown in Fig. 5;
The decomposing schematic representation of connection structure between bearing beam and the support body of running gear in the slipping tail machine that Fig. 8 provides for the embodiment of the present invention;
Reference numeral: 1, main hoisting crane; 2, slipping tail crane; 3, hanging device; 4, running gear; 41, traveling gear; 42, support body; 43, bearing beam; 431, the flange block of fixing bearing beam; 432, the bearing of bearing beam is supported; 433, the bearing pin of connecting band track frame and bearing; 434, bracket; 47, the control setup of actuating unit and actuating unit; 5, vehicle frame; 6, platform truck; 61, after poppet; 7, push-pull device at fixed; 81, movable pulley rack; 810, movable pulley; 82, quiet pulley yoke; 820, quiet pulley; 830, leading sheave; 9, flexible connecting member; 91, access node structure is hung; 10, rigid stiffener elements.
Detailed description of the invention
Content of the present invention and the distinctive points between the present invention and prior art can be understood below with reference to accompanying drawing Fig. 1 ~ Fig. 8 and word content.Hereafter by accompanying drawing and the mode enumerating embodiment more of the present invention, technical scheme of the present invention (comprising optimal technical scheme) is described in further detail.It should be noted that: any technical characteristic in the present embodiment, any technical scheme is all one or more in the technical characteristic of plurality of optional or optional technical scheme, cannot exhaustive all alternative technical characteristics of the present invention and alternative technical scheme in order to describe succinct to need in presents, also the embodiment being not easy to each technical characteristic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: any technical characteristic in the present embodiment and any technical scheme all do not limit the scope of the invention, protection scope of the present invention should comprise those skilled in the art and not pay the thinkable any alternate embodiments of creative work.
Embodiments provide the slipping tail equipment that a kind of cost is low, structure simple, installation effectiveness is higher.
Below in conjunction with the elaboration that Fig. 2 ~ Fig. 8 carries out specifically to technical scheme provided by the invention, the technical scheme of arbitrary technological means provided by the invention being carried out replacing or two or more technological means provided by the invention being carried out mutually combining and obtain all should within protection scope of the present invention.
As shown in Fig. 2 ~ Fig. 8, the slipping tail equipment that the embodiment of the present invention provides, comprise running gear (being preferably caterpillar chassis) 4, vehicle frame 5, platform truck 6, push-pull device at fixed (being preferably horizontal translocation oil cylinder) 7, movable pulley rack 81 and flexible connecting member 9, wherein:
Running gear 4 comprises traveling gear 41 and support body 42, and support body 42 is connected with vehicle frame 5, and vehicle frame 5 is connected with platform truck 6, and traveling gear 41 can drive support body 42 and vehicle frame 5 to move and drive platform truck 6 to walk by support body 42 and vehicle frame 5.
Movable pulley rack 81 is connected with movable pulley 810.In the present embodiment, all pulleys are all preferably and adopt assembly pulley to realize.Movable pulley 810 can rotate relative to movable pulley rack 81 around the active connection place of itself and movable pulley rack 81, and push-pull device at fixed 7 can drive movable pulley rack 81 advance relative to platform truck 6 or retreat.
Flexible connecting member 9(is preferably hawser and makes) be annular, flexible connecting member 9 is wound around on the movable pulley 810 in movable pulley rack 81, and the part of movable pulley 810 that flexible connecting member 9 deviates from movable pulley rack 81 be provided with to connect hanging device 3 hang access node structure (or claim: suspension centre) 91.The top of support body 42 or the top of vehicle frame 5 are connected with bearing beam 43.
Flexible connecting member (be preferably hawser make) 9 is provided with to connect hanging device 3(be called for short: equipment) hang access node structure 91, by hanging access node structure 91, (hanging device 3 comprises tank body with the vertical hanging device needing to lift to plumbness from horizontality, the present invention mainly for slipping tail to as if the equipment of leptosomatic upright tank body structure) on 3, then push-pull device at fixed (being preferably horizontal translocation oil cylinder) 7 is made to drive movable pulley rack 81 advance relative to platform truck 6 or retreat, movable pulley rack 81 is illustrated when advancing relative to platform truck 6 or retreat in Fig. 5 and Fig. 7, two positions that movable pulley 810 on it can arrive, a position movable pulley 810 has been drawn to front (left) by push-pull device at fixed 7, another position movable pulley 810 has been drawn to rear (right) by push-pull device at fixed 7.
Movable pulley rack 81 is advanced or can be pulled flexible connecting member 9 by movable pulley 810 while retreating, and pull hanging device 3 by flexible connecting member 9, hanging device 3 is overturn, because bearing beam 43(is preferably rotatable bearing beam) be positioned at support body 42, when hanging device 3 overturns, bearing beam 43 can hold the bottom of hanging device 3 in hoisting process, share the lift heavy of main crane, hanging device 3 can slide and rotate final realization and be erected by bearing beam 43 in slipping tail process on bearing beam 43.In cost, the slipping tail machine that the embodiment of the present invention provides is compared with existing crawler crane, structure division of not getting on the bus, and the push-pull device at fixed 7 of increase and bearing beam 43, relative to structure division of getting on the bus, greatly reduce the cost of product.
As one preferably or alternatively embodiment, bearing beam 43 is movably connected on support body 42, bearing beam 43 can rotate relative to support body 42 around active connection place, the bearing of trend of the pivot center of bearing beam 43 and movable pulley rack 81 advance relative to platform truck 6 or the direction that retreats perpendicular.Bearing beam 43 can be as shown in Figure 8 with the concrete connection structure of support body 42.
Because bearing beam 43 is rotatable, so also can be called: rotate bearing beam, the angle that bearing beam 43 can promote along with hanging device 3 changes and rotates, and is adjusted to hanging device 3 upright in good time.
As one preferably or alternatively embodiment, slipping tail equipment also comprises quiet pulley yoke (or claiming dead sheave frame) 82 and guide pulley rack, wherein:
Quiet pulley yoke 82 is fixedly connected with vehicle frame 5, and quiet pulley yoke 82 is connected with quiet pulley (or claim: dead sheave) 820, and quiet pulley 820 can rotate relative to quiet pulley yoke 82 around the active connection place of itself and quiet pulley yoke 82.
Guide pulley rack is fixedly connected with platform truck 6, and guide pulley rack is connected with leading sheave 830, and leading sheave 830 can rotate relative to guide pulley rack around the active connection place of itself and guide pulley rack.
The position of leading sheave 830 is lower than quiet pulley 820, and flexible connecting member 9 is wound around quiet pulley 820, and leading sheave 830 presses on the outside of flexible connecting member 9.
Quiet pulley 820 can change the direction of the pulling force that flexible connecting member 9 pairs of hanging devices 3 apply together with leading sheave 830.The flexible connecting member 9 that hawser is made is ring-types, namely the suspension centre of slipping tail equipment hangs access node structure 91 at hawser fake place, see that hawser needs the i.e. dead sheave of the quiet pulley 820 of first pile warp along hawser trend, then pile warp leading sheave 830, now by the change of leading sheave 830 with quiet pulley 820 center height, the center of the center of hawser and horizontal translocation oil cylinder is adjusted on same level height, has achieved guiding, three movable pulleys 810 then in pile warp movable pulley rack 81.Touch with bearing beam 43 flat face bottom hanging device 3, along with the lifting of main crane and the advance of slipping tail machine, hanging device 3 rotates around center cw together with bearing beam 43 of bearing beam 43, in the process, the plane that hanging device 3 is understood along bearing beam 43 because of deadweight glide under the control of horizontal translocation oil cylinder.
The length of hawser is fixing, and namely the suspension centre that one end is fixed on hanging device 3 hangs on access node structure 91, and one end is equivalent in movable pulley rack 81 in addition.When movable pulley rack 81 is walked, one end in addition will be driven to have a relative movement relation backwards, hawser with hanging device 3 towards rising; On the contrary, when movable pulley rack 81 is walked forward, hawser with hanging device 3 towards decline.
Front refers to the direction that whole slipping tail machine advances, the left namely in Fig. 2 and Fig. 4 herein.In whole slipping tail operation process, on slipping tail machine, bearing beam 43 is along working direction clickwise.
As one preferably or alternatively embodiment, the bottom of movable pulley rack 81 is connected with roller, and roller can rotate relative to movable pulley rack 81 around the active connection place of itself and movable pulley rack 81.
Platform truck 6 is also fixedly connected with after poppet 61, after poppet 61 is provided with slideway, the length direction of slideway and the bearing of trend of bearing beam 43 pivot center perpendicular, push-pull device at fixed 7 drives roller to roll on slideway by movable pulley rack 81.
Roller and slideway relative motion can reduce friction force when movable pulley rack 81 moves on the after poppet 61 of platform truck 6.
As one preferably or alternatively embodiment, running gear 4 is caterpillar chassis, and traveling gear is creeper undercarriage, and support body 42 is relative two track frames in position, be provided with crawler belt outside each track frame, vehicle frame 5 is connected between two relative track frames of position.
Vehicle frame 5 includes connect the otic placode of quiet pulley yoke 82, pass the otic placode of oil cylinder and the otic placode in order to be connected rear platform car 6 in order to fixing horizontal, track frame is provided with the support installing bearing beam 43.What adopt between vehicle frame 5 and track frame is plug in construction, is fixed by hydraulic pin shafting oil cylinder; Rear platform car 6 is linked together by power bearing pin and vehicle frame 5; The front hinge ear of horizontal translocation oil cylinder and vehicle frame 5 are fixed by bearing pin, and rear hinge ear and movable pulley rack 81 are fixed by power bearing pin; Bearing beam 43 is bolted on track frame.Traveling gear 41 comprises drive wheel, driving speed reducer, running motor and balance cock etc., and whole walking structure is assemblied on track frame, and by the driving of traveling gear 41, whole crawler body can be walked, and rear platform car 6 is walked together in tow.
The caterpillar chassis that embodiment of the present invention traveling gear 41 adopts is preferably to be changed a social system on the basis of existing caterpillar chassis, and the difference between the crawler body structure of this transformation of the way formula and existing crawler body structure is mainly reflected in following four aspects:
1, chassis adopts plug in construction, and wherein vehicle frame 5 is single-spar construction, and track frame also only has a corresponding square hole, and in existing plug in construction, vehicle frame 5 is all twin-spar construction, and track frame has two square holes;
2, different with Side frame in the past, the track frame in the present invention adds rotatable bearing beam 43;
3, because of the difference of principle of work and operating mode, the structure of the vehicle frame 5 in the present invention and vehicle frame in the past distinguishs and are: single-spar construction, be not with and turn round supporting base circle, add the otic placode in order to fix quiet pulley yoke 82, in order to the otic placode of fixing horizontal passing oil cylinder, in order to connect the otic placode of rear platform car;
4, adjusting screw(rod) is added as the support between vehicle frame 5 and track frame and rigid stiffener elements 10.
As one preferably or alternatively embodiment, relative two track frames in position are all connected with rigid stiffener elements 10 separately and between vehicle frame 5, wherein:
Rigid stiffener elements 10 comprises adjusting screw(rod) and screwed pipe, and adjusting screw(rod) is embedded in screwed pipe, and for being threaded between adjusting screw(rod) with screwed pipe.
Adjusting screw(rod) and screwed pipe in each rigid stiffener elements 10 one of them be connected with wherein one end of vehicle frame 5, wherein another is connected with one of them track frame for adjusting screw(rod) and screwed pipe.
The setting of rigid stiffener elements 10 enhances the Joint strenght between track frame and vehicle frame 5.Rotation adjusting screw(rod) or screwed pipe can extend or shorten rigid stiffener elements 10 length in its axial direction, expand the Applicable scope of rigid stiffener elements 10.
As one preferably or alternatively embodiment, push-pull device at fixed 7 is horizontal translocation oil cylinder.The cylinder barrel and piston rod of horizontal translocation oil cylinder one of them (be preferably cylinder barrel) are connected with vehicle frame 5, and the cylinder barrel of horizontal translocation oil cylinder and piston rod wherein another (preferably piston rod) are connected with movable pulley rack 81.
The piston rod of horizontal translocation oil cylinder stretches out relative to its cylinder barrel or movable pulley rack 81 can be driven to advance relative to platform truck 6 or retreat in the process that bounces back.
As one preferably or alternatively embodiment, the control setup 47 of running gear 4 and the actuating unit both push-pull device at fixed 7 and actuating unit is all arranged in platform truck 6.
The actuating unit control system of the control setup composition of actuating unit and actuating unit mainly comprises engine assembly, main pump, main valve, hydraulic reservoir, fuel tank, regulator cubicle and some electric elementss and Hydraulic Elements composition.Wherein driving engine is as the propulsion source of complete machine, ensures that complete machine continuously and effectively works; Make hydraulic oil enter mode of operation by main pump, changes mechanical energy is become pressure energy and the kinetic energy of pressure fluid; Carried out pressure, flow direction and the uninterrupted in hydraulic control system by main valve, fluid control valve controls the synchronization telescope of two horizontal translocation oil cylinder; The mode of operation of remote control complete machine is carried out by regulator cubicle and electric elements.
As one preferably or alternatively embodiment, the below of the wheel of platform truck 6 is also equipped with track, and the wheel of platform truck 6 compresses in orbit.This track is not the slideway on after poppet 61, but in order to ensure bottom surface out-of-flat requirement, the special road through special processing laid on the ground specially.After poppet 61 is mounted on rear platform car 6, is the slideway for providing walking to movable pulley rack 81.
The principle of work of the slipping tail machine that the embodiment of the present invention provides is: the walking of slipping tail machine drives rear platform car 6 in the up realization of coming in of the track laid mainly through driving the traveling gear 41 on crawler crane chassis.Movable pulley 810 on hawser follow-up pulley frame 81 lays out and is preferably leading sheave group through being arranged on platform truck 6 structural leading sheave 830() after be preferably quiet assembly pulley by the quiet pulley 820(on crawler crane chassis) around on the slipping tail suspension centre of hanging device 3, utilize horizontal translocation oil cylinder to stretch and drive the movable pulley rack 81 of band roller to realize the lifting of device bottom up the coming up of slideway of the after poppet 61 of band slideway.Just having started level bottom hanging device 3 leans against on bearing beam 43, in the lifting process of hanging device 3, bearing beam 43 followed by bottom hanging device 3 and rotates with the variable angle on ground, in hanging device 3 lifting process, bearing beam 43 can rotate, can support the weight of hanging device 3, and hanging device 3 can slide on bearing beam 43 in addition.In lifting, install in hanging device 3 process, slipping tail machine is walked forward and is rotated, and main hoisting crane promotes, and main hoisting crane and slipping tail machine constantly regulate the height of suspension centre, hanging device 3 leans against on rotatable bearing beam 43, at leisure hanging device 3 is adjusted to erectility by horizontality.
Arbitrary technical scheme disclosed in the invention described above unless otherwise stated, if the number range of it discloses, so disclosed number range is preferred number range, anyly it should be appreciated by those skilled in the art: preferred number range is only the numerical value that in many enforceable numerical value, technique effect is obvious or representative.Because numerical value is more, cannot be exhaustive, so the present invention just discloses component values with casehistory technical scheme of the present invention, and the above-mentioned numerical value enumerated should not form the restriction to the invention protection domain.
If employ the word such as " first ", " second " herein to limit parts, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe carry out difference as not having outside Stated otherwise to parts, the implication that above-mentioned word is not special.
Simultaneously, if the invention described above discloses or relate to parts or the framing member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can releasably be fixedly connected with (such as using bolt or screw to connect), also can be understood as: to be non-removablely fixedly connected with (such as rivet, weld), certainly, connection fastened to each other also can be replaced by integral type structure (such as use foundry technique is integrally formed create) (obviously cannot adopt except integrally formed technique).
In addition, apply in arbitrary technical scheme disclosed in the invention described above for represent position relationship or shape term unless otherwise stated its implication comprise approximate with it, similar or close state or shape.Arbitrary parts provided by the invention both can be assembled by multiple independent component part, and also can be one of the forming manufacture technics separate part out.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (10)
1. a slipping tail equipment, is characterized in that, comprises running gear, vehicle frame, platform truck, push-pull device at fixed, movable pulley rack and flexible connecting member, wherein:
Described running gear comprises traveling gear and support body, described support body is connected with described vehicle frame, described vehicle frame is connected with described platform truck, and described traveling gear can drive described support body and described vehicle frame to move and drive described platform truck to walk by described support body and described vehicle frame;
Described movable pulley rack is connected with movable pulley, described movable pulley can rotate relative to described movable pulley rack around the active connection place of itself and described movable pulley rack, and described push-pull device at fixed can drive described movable pulley rack relative to described platform truck along predetermined party forward or backward;
Described flexible connecting member is annular, and described flexible connecting member is wound around on the movable pulley in described movable pulley rack, and the part of movable pulley that described flexible connecting member deviates from described movable pulley rack be provided with to connect hanging device hang access node structure;
The top of described support body is connected with at least one bearing beam.
2. slipping tail equipment according to claim 1, it is characterized in that, described bearing beam is movably connected on described support body, described bearing beam can rotate relative to described support body around the active connection place of itself and described support body, the bearing of trend of the pivot center of described bearing beam and described movable pulley rack advance relative to described platform truck or the direction that retreats perpendicular.
3. slipping tail equipment according to claim 1, is characterized in that, described slipping tail equipment also comprises quiet pulley yoke and guide pulley rack, wherein:
Described quiet pulley yoke is fixedly connected with described vehicle frame, and described quiet pulley yoke is connected with quiet pulley, and described quiet pulley can rotate relative to described quiet pulley yoke around the active connection place of itself and described quiet pulley yoke;
Described guide pulley rack is fixedly connected with described platform truck, and described guide pulley rack is connected with leading sheave, and described leading sheave can rotate relative to described guide pulley rack around the active connection place of itself and described guide pulley rack;
The position of described leading sheave is lower than described quiet pulley, and described flexible connecting member is wound around described quiet pulley, and described leading sheave presses on the outside of described flexible connecting member.
4. slipping tail equipment according to claim 3, is characterized in that, the bottom of described movable pulley rack is connected with roller, and described roller can rotate relative to described movable pulley rack around the active connection place of itself and described movable pulley rack;
Described platform truck is also fixedly connected with after poppet, described after poppet is provided with slideway, the bearing of trend of the length direction of described slideway and the pivot center of described bearing beam is perpendicular, and described push-pull device at fixed drives described roller to roll on described slideway by described movable pulley rack.
5. slipping tail equipment according to claim 3, it is characterized in that, described running gear is caterpillar chassis, described traveling gear is creeper undercarriage, described support body is relative two track frames in position, be provided with crawler belt outside each described track frame, described vehicle frame is connected between two relative described track frames of position.
6. slipping tail equipment according to claim 5, is characterized in that, relative two the described track frames in position are all connected with rigid stiffener elements separately and between described vehicle frame, wherein:
Described rigid stiffener elements comprises adjusting screw(rod) and screwed pipe, and described adjusting screw(rod) is embedded in described screwed pipe, and for being threaded between described adjusting screw(rod) with described screwed pipe;
Described adjusting screw(rod) and described screwed pipe one of them be connected with described vehicle frame, wherein another is connected with described track frame for described adjusting screw(rod) and described screwed pipe.
7. slipping tail equipment according to claim 1, it is characterized in that, described push-pull device at fixed is horizontal translocation oil cylinder, the cylinder barrel and piston rod of described horizontal translocation oil cylinder one of them be connected with described vehicle frame, wherein another is connected with described movable pulley rack for cylinder barrel and the piston rod of described horizontal translocation oil cylinder.
8., according to the arbitrary described slipping tail equipment of claim 1-7, it is characterized in that, described flexible connecting member is that hawser is made.
9., according to the arbitrary described slipping tail equipment of claim 1-7, it is characterized in that, the actuating unit of described running gear and described push-pull device at fixed and the control setup of described actuating unit are all arranged in described platform truck.
10., according to the arbitrary described slipping tail equipment of claim 1-7, it is characterized in that, the below of the wheel of described platform truck is also equipped with track, and the wheel of described platform truck compresses on the track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310228210.1A CN103274313B (en) | 2013-06-08 | 2013-06-08 | Tail suspending apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310228210.1A CN103274313B (en) | 2013-06-08 | 2013-06-08 | Tail suspending apparatus |
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| Publication Number | Publication Date |
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| CN103274313A CN103274313A (en) | 2013-09-04 |
| CN103274313B true CN103274313B (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310228210.1A Active CN103274313B (en) | 2013-06-08 | 2013-06-08 | Tail suspending apparatus |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104192206A (en) * | 2014-09-03 | 2014-12-10 | 徐工集团工程机械股份有限公司 | Steering mechanism, driven system and crawler chassis |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4358021A (en) * | 1980-03-07 | 1982-11-09 | The Manitowoc Company, Inc. | Separated ring segment dual pivot lift crane |
| CA2078318C (en) * | 1991-09-20 | 1999-04-13 | Terry Lee Petzold | Carbody to crawler connection |
| ES2354178T3 (en) * | 2004-12-03 | 2011-03-10 | Manitowoc Crane Group Germany Gmbh | AUTOMOTIVE CRANE. |
| JP2010254414A (en) * | 2009-04-23 | 2010-11-11 | Kobelco Cranes Co Ltd | Revolving frame of crawler crane |
| CN103010952B (en) * | 2012-12-18 | 2015-03-25 | 中联重科股份有限公司 | Tail dragging device used for hoisting equipment, tail dragging vehicle and equipment hoisting method |
| CN203461721U (en) * | 2013-06-08 | 2014-03-05 | 徐工集团工程机械股份有限公司 | Tail lifting equipment |
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