CN104249973B - A kind of dolly winding system up and down - Google Patents

Abstract

nullThe dolly winding system up and down of the present invention，Some first carrying rollers are horizontally supported the inner side in crossbeam structure by the first carrier structure，Some second carrying rollers are horizontally supported the outside in crossbeam structure by the second carrier structure，So that the steel wire rope of the steel wire rope of upper dolly lifting and winding subsystem and lower dolly lifting and winding subsystem is respectively supported at inside and outside crossbeam structure，When carrying out suspender and hoisting and decline，The steel wire rope of upper and lower dolly lifting and winding subsystem is individually positioned in the inner side and outer side of crossbeam and is operated，Will not produce and interfere，It is wrapped in the horizontal component of the first hoist rope on the first driving reel described in and and is arranged at being wrapped in the inner side of the horizontal space that the horizontal component of the second hoist rope on the second driving reel surrounds，Dolly lifting and winding subsystem and lower dolly lifting and winding subsystem will not be interfered，And it is the compactest.

Description

A kind of dolly winding system up and down

Technical field

The present invention relates to a kind of dolly winding system up and down for bank bridge, belong to weight lifting technical field.

Background technology

Bank bridge is the main handling instrument that harbour uses, and during the container handling at harbour, bank bridge plays critically important role.After China's accession to the WTO, the foreign trade of China the most constantly strengthens, and the handling capacity at China harbour is had higher requirement by this, and traditional handling bank bridge has been difficult to meet requirement, it is therefore necessary to improve quayside container crane.

The process of unloading a ship of existing harbour container is mainly carried out by the list lifting dolly on tradition bank bridge, in the work process of lifting dolly, its along track by container above one end handling of bank bridge to the truck of the bank bridge other end, then container is placed on truck, after putting case, lifting dolly returns to bank bridge sea and surveys the lifting carrying out next container above container ship.Tradition bank bridge uses single crab operation, and efficiency cannot effectively promote always, improves equipment operational factor despite the use of, has strengthened the technological means such as liter weight, employing two-electron atom, but, these means cannot make the bank bridge efficiency of loading and unloading get a qualitative improvement all the time.

At present, the high carrying capacity of the super-container vessel of container capacity 18000TEU and 24000TEU and low burn oil consumption and the advantage of low emission, Shi Ge great shipping company competes for and puts into effect, the efficiency of ports handling machine is had higher requirement by super-container vessel, usually require that ship time efficiency is not less than 300TEU/h, and existing tradition bank bridge be unable to reach this ship time efficiency, accordingly, it would be desirable to a kind of high efficiency bank bridge meets the handling demand of 18000TEU container ship.

In order to improve handling effect, Chinese patent literature CN101323415A discloses a kind of crossing type double trolley bridge type crane, it uses the structure design that double trolley is walked, including the girder being arranged on cart, first loading trolley and the second loading trolley, this two amounts dolly can mutually pass through when moving along girder, two dolly work compounds substantially increase the efficiency of loading and unloading, but, owing to double trolley is required for meeting hoist requirement and service requirement, and need to meet double trolley will not interfere in crossing process, therefore, when design it is crucial that how to arrange the steel cable winding system of the lifting mechanism of two lifting trolleys, two dolly mutual when workings are made not disturb, the steel wire rope simultaneously avoiding two dollies is wound around, this is the technical barrier the most not solved in prior art.

Summary of the invention

Therefore, the technical problem to be solved in the present invention is to overcome the lifting winding system of upper and lower dolly of the prior art to easily cause the technical problem that upper and lower trolley travelling is interfered, thus provides a kind of dolly winding system up and down operationally not resulting in interference.

nullFor this，The present invention provides a kind of dolly winding system up and down，It is wound around subsystem including the lower dolly traction for driving lower dolly to draw，For driving the upper dolly lifting and winding subsystem hoisting and falling of upper dolly suspender，And for driving the lower dolly lifting and winding subsystem hoisting and landing of lower dolly suspender，Described upper dolly lifting and winding subsystem includes at least one first driving reel，At least one the first hoist ropes being wrapped on the first driving reel，For holding up the level of some first carrying rollers of described first hoist rope，Described first hoist rope is connected on dolly by least one set first assembly pulley that alters course，Described lower dolly lifting and winding subsystem includes at least one second driving reel，At least one the second hoist ropes being wrapped on the second driving reel，For holding up the level of some second carrying rollers of described second hoist rope，Described second hoist rope is connected on lower dolly by least one set second assembly pulley that alters course，Some first carrying rollers are horizontally supported the inner side in crossbeam structure by the first carrier structure，Some second carrying rollers are horizontally supported the outside in crossbeam structure by the second carrier structure，And described first inner side of horizontal space that surround of the horizontal component driving the horizontal component of reel and the first hoist rope to be arranged at the second hoist rope.

Described first changed course assembly pulley includes the first horizontally redirectional assembly pulley being fixedly installed, described first horizontally redirectional assembly pulley drives reel to arrange near described first, for changing the first hoist rope being horizontally orientated to from the described first external part driving reel so that described first hoist rope is horizontal-extending towards the direction of described upper dolly.

Described first changed course assembly pulley also includes that being fixedly installed on described first drives the First Transition assembly pulley between reel and described first horizontally redirectional assembly pulley, and the external part coming from the first hoist rope of the first driving reel is drawn to described first horizontally redirectional assembly pulley by described First Transition assembly pulley.

Described first changed course assembly pulley also includes that be arranged on described upper dolly and upper suspender first vertically alters course assembly pulley, described first vertically alters course assembly pulley for changing the trend of the external part coming from described first horizontally redirectional assembly pulley of described first hoist rope so that it is extend on described upper suspender.

Described first vertically changed course assembly pulley include being arranged on dolly two the first horizontal trolley in a distance and the second vertical sliding wheel, and it is arranged on the 3rd assembly pulley on described upper suspender, described second vertical sliding wheel compared with described first horizontal trolley farther away from described first horizontally redirectional assembly pulley, the external part coming from described first horizontally redirectional assembly pulley of described first hoist rope, first walk around the second vertical sliding wheel from below, first hoist rope vertically alters course 180 °, further around crossing described first horizontal trolley, first hoist rope laterally alters course 180 °, then it is ultimately disposed at upper suspender through described 3rd assembly pulley from the bottom of described upper dolly.

Described 3rd assembly pulley includes the 14th pulley being positioned at described upper suspender top, it is positioned at the 15th pulley of suspender bottom, and the tenth pulley and the 11st pulley, described tenth pulley compared with described 11st pulley farther away from described 14th pulley, the external part of the first hoist rope coming from the first horizontal trolley first walks around the 14th pulley from top, again from bottom wraparound the 14th pulley of the 15th pulley, walk around the tenth pulley the most from below, first hoist rope laterally alters course 180 °, further around crossing described 11st pulley, first hoist rope vertically alters course 180 °, it is ultimately disposed on the bottom of suspender.

Second changed course assembly pulley includes the second horizontally redirectional assembly pulley being fixedly installed, described second horizontally redirectional assembly pulley drives reel to arrange near described second, for changing the second hoist rope being horizontally orientated to from the described second external part driving reel so that described second hoist rope is horizontal-extending towards the direction of described lower dolly.

Described second changed course assembly pulley also includes that being fixedly installed on described second drives the second transition assembly pulley between reel and described second horizontally redirectional assembly pulley, and the external part coming from the second hoist rope of the second driving reel is drawn to described second horizontally redirectional assembly pulley by described second transition assembly pulley.

Described second changed course assembly pulley also includes that be arranged on described lower dolly and lower suspender second vertically alters course assembly pulley, described second vertically alters course assembly pulley for changing the trend of the external part coming from described second horizontally redirectional assembly pulley of described second hoist rope so that it is extend on described lower suspender.

nullDescribed second vertically changed course assembly pulley include being arranged on two of lower car top the 4th horizontal trolleys in a distance and the 5th vertical sliding wheel，It is arranged on the 6th pulley on described lower dolly，It is arranged on several the 7th pulleys be arrangeding in parallel on described lower suspender top,It is arranged on several the 8th pulleys be arrangeding in parallel on lower suspender top，It is arranged on the 9th pulley bottom described lower suspender，And the 12nd pulley and the 13rd pulley，Described 5th vertical sliding wheel compared with described 4th horizontal trolley farther away from described second horizontally redirectional assembly pulley，Described 7th pulley compared with described 8th pulley farther away from the inside of described lower suspender，Described 12nd pulley compared with described 13rd pulley farther away from described 6th pulley，The external part coming from described second horizontally redirectional assembly pulley of described second hoist rope，First walk around the 5th vertical sliding wheel from below，Second hoist rope alters course 180 ° straight up，Further around crossing described 4th horizontal trolley，Second hoist rope horizontally redirectional 180 °,The 6th pulley is walked around the most successively from top，The 7th pulley is walked around from bottom，The 8th pulley is walked around again from top，Alter course straight down and followed by walk around the 9th pulley from bottom，Then from the top of another the 8th pulley around the bottom of another the 7th pulley，Alter course straight up and followed by walk around the 6th pulley from top，Then pass around the 12nd pulley，Laterally changed course 180 degree，The 13rd pulley is finally walked around from top，Vertical changed course 180 degree，Finally lay out on described lower suspender.

Described 7th pulley and the 8th pulley are along the bottom radially arrangement of described lower dolly.

Described 4th horizontal trolley, the 5th vertical sliding wheel, the 7th pulley and the 8th pulley are arranged on the rigid support of described lower dolly, described upper dolly and be in the projection in the horizontal plane of the upper suspender of collapsed state and be respectively positioned on the inside of described rigid support, and misaligned with the sidewall of described rigid support.

Described lower dolly lifting and winding subsystem includes that horizontally disposed and synchronously driven lower dolly the first lifting and winding subsystem and lower dolly the second lifting and winding subsystem, lower dolly the first lifting and winding subsystem and lower dolly the second lifting and winding subsystem are symmetricly set on the both sides of described lower dolly.

The horizontal component being positioned at bank bridge large arm end of second hoist rope not being wrapped on the second driving reel of described lower dolly the first lifting and winding subsystem and described lower dolly the second lifting and winding subsystem is connected by rope clamp.

nullThe traction of described lower dolly is wound around subsystem and includes driving reel，The the first haulage cable group being wrapped in along a first direction on described driving reel，The the second haulage cable group being wrapped on described driving reel along the second direction contrary with first direction，Described first haulage cable group draws changed course assembly pulley and the traction changed course assembly pulley of the least one set near rigid support lower end on the first side being located at lower dolly respectively through the least one set being positioned at lower dolly rigid support upper end，Described second haulage cable group respectively through lower dolly rigid support upper end least one set traction changed course assembly pulley and alters course assembly pulley on second side relative with the first side being located at lower dolly near the traction of rigid support lower end least one set，Described first haulage cable group、Described second haulage cable group does not interferes with the winding on described lower dolly of described second hoist rope.

Described first carrier structure includes the pars intermedia being connected between the first crossbeam of described crossbeam structure and the second crossbeam, it is connected to the π type support below described pars intermedia, described π type support two ends have first " L " type hook portion and second " L " type hook portion, the horizontal crochet of described first " L " type hook portion and the horizontal crochet of described second " L " type hook portion support the different units of described first carrying roller respectively, first carrying roller can rotate around the horizontal crochet of first " L " type hook portion and second " L " type hook portion, the vertical centrage of the large arm that described first " L " type hook portion and second " L " type hook portion are constituted with the first crossbeam and the second crossbeam is arranged symmetrically with.

The first crossbeam that described second carrier structure includes being connected to described crossbeam structure and the 3rd " L " the type hook portion of the second crossbeam bottom outside and the 4th " L " type hook portion, the horizontal crochet of described 3rd " L " type hook portion and the horizontal crochet of described 4th " L " type hook portion support the different units of described second carrying roller respectively, described second carrying roller can rotate around the horizontal limes marginis of the 3rd " L " type hook portion and the 4th " L " type hook portion, and the vertical centrage of the large arm that the 3rd " L " type hook portion and the 4th " L " type hook portion are constituted with the first crossbeam and the second crossbeam is arranged symmetrically with.

The technique scheme of the present invention has the advantage that compared to existing technology

null1. the dolly winding system up and down of the present invention，Some first carrying rollers are horizontally supported the inner side in crossbeam structure by the first carrier structure，Some second carrying rollers are horizontally supported the outside in crossbeam structure by the second carrier structure，So that upper dolly lifting and winding subsystem and lower dolly lifting and winding subsystem are respectively supported at inside and outside crossbeam structure，When hoisting and decline，Inner side and outer side at crossbeam hoists respectively，Will not produce and interfere，And the inner side of the horizontal space that the described first horizontal component driving the horizontal component of reel and the first hoist rope to be arranged at the second hoist rope surrounds，It is arranged so as to not only make dolly lifting and winding subsystem and lower dolly lifting and winding subsystem to interfere，And it is the compactest，Make that dolly lifting and winding subsystem and lower dolly lifting and winding subsystem in limited space arrange is more reasonable.

2. the dolly winding system up and down of the present invention, upper dolly lifting and winding subsystem changes the first hoist rope being horizontally orientated to from the described first external part driving reel by the first horizontally redirectional pulley, make described first hoist rope horizontal-extending towards the direction of described upper dolly, not only it is easy to the direction winding towards upper dolly of first hoist rope, but also the horizontal-extending length of lifting winding system can be reduced so that whole system is the compactest.

3. the dolly winding system up and down of the present invention, described first changed course assembly pulley also includes that being fixedly installed on described first drives the First Transition assembly pulley between reel and described first horizontally redirectional assembly pulley, by arranging First Transition assembly pulley, the external part of the first hoist rope coming from the first driving reel is drawn to described first horizontally redirectional assembly pulley, so that extend towards horizontal direction again, so that whole system is the compactest after first changed course the first hoist rope of stretching out of assembly pulley can reduce height.

4. the dolly winding system up and down that the present invention provides, described first changed course assembly pulley also includes that be arranged on described upper dolly and upper suspender first vertically alters course assembly pulley, thus change the trend of the external part coming from described first horizontally redirectional assembly pulley of described first hoist rope, it is made to extend on described upper suspender, it is simple to for the lift control of upper suspender.

5. the dolly winding system up and down that the present invention provides, described first vertically changed course assembly pulley include being arranged on dolly two the first horizontal trolley in a distance and the second vertical sliding wheel, and it is arranged on the 3rd assembly pulley on described upper suspender, described second vertical sliding wheel compared with described first horizontal trolley farther away from described first horizontally redirectional assembly pulley, the external part coming from described first horizontally redirectional assembly pulley of described first hoist rope is by first walking around the second vertical sliding wheel, further around crossing described first horizontal trolley, then pass from the bottom of described upper dolly and be wound on described 3rd assembly pulley, thus not only change being horizontally orientated to of the first hoist rope, have also been changed the trend of the vertical direction of the first hoist rope, make what it was not finally interfered to be wrapped on upper suspender；It addition, the external part coming from described first horizontally redirectional assembly pulley of described first hoist rope is by first walking around the second vertical sliding wheel, carrying roller is made to hold in the palm steel wire rope the most from bottom to top, it is ensured that dolly does not interferes when crossing carrying roller up and down.

6. the dolly winding system up and down of the present invention, lower dolly lifting and winding subsystem changes the second hoist rope being horizontally orientated to from the described second external part driving reel by the second horizontally redirectional pulley, make described second hoist rope horizontal-extending towards the direction of described lower dolly, not only it is easy to the direction winding towards lower dolly of second hoist rope, but also the horizontal-extending length of lifting winding system can be reduced so that whole system is the compactest.

7. the dolly winding system up and down of the present invention, described second changed course assembly pulley also includes that being fixedly installed on described second drives the second transition assembly pulley between reel and described second horizontally redirectional assembly pulley, by arranging the second transition assembly pulley, the external part of the second hoist rope coming from the second driving reel is drawn to described second horizontally redirectional assembly pulley, so that extend towards horizontal direction again, so that whole system is the compactest after second changed course the second hoist rope of stretching out of assembly pulley can reduce height.

8. the dolly winding system up and down that the present invention provides, described second changed course assembly pulley also includes that be arranged on described lower dolly and lower suspender second vertically alters course assembly pulley, thus change the trend of the external part coming from described second horizontally redirectional assembly pulley of described second hoist rope, it is made to extend on described lower suspender, it is simple to for the lift control of lower suspender.

9. the dolly winding system up and down of the present invention, described 4th horizontal trolley, 5th vertical sliding wheel, 6th pulley and the 7th pulley are arranged on the rigid support of described lower dolly, described upper dolly and be in the projection in the horizontal plane of the upper suspender of collapsed state and be respectively positioned on the inside of described rigid support, and it is misaligned with the sidewall of described rigid support, by being arranged on rigid support, during lower dolly is hoisted, second hoist rope does not haves swing, the phenomenons such as spring, make the lower dolly can even running, the upper dolly and the lower dolly that pass from the cavity of rigid support will not interfere during mutually passing through.

10. the dolly winding system up and down of the present invention, described lower dolly lifting and winding subsystem includes horizontally disposed and synchronously driven lower dolly the first lifting and winding subsystem and lower dolly the second lifting and winding subsystem, lower dolly the first lifting and winding subsystem and lower dolly the second lifting and winding subsystem are symmetricly set on the both sides of described lower dolly, such set-up mode make lower dolly and lower suspender hoist and descent in more steady.

The dolly winding system up and down of 11. present invention, lower dolly traction be wound around subsystem described second haulage cable group also at least through one group traction changed course assembly pulley on second side relative with the first side being located at lower dolly, described first haulage cable group, described second haulage cable group do not interfere with the winding on described lower dolly of described second hoist rope.So that the steel wire rope that the traction of lower dolly is wound around subsystem and lower dolly lifting and winding subsystem simultaneously acts on lower dolly, and will not interfere so that mechanism runs more smooth and easy and mechanism is compacter.

Accompanying drawing explanation

In order to make the content of invention be easier to be clearly understood, below in conjunction with the accompanying drawings, the present invention is further detailed explanation, wherein,

Fig. 1 is the schematic diagram of lower dolly lifting and winding subsystem in embodiments of the invention 1；

Fig. 2 is the schematic diagram that in embodiments of the invention 1, lower dolly traction is wound around subsystem；

Fig. 3 is the schematic diagram of upper dolly lifting and winding subsystem in embodiments of the invention 1；

Fig. 4 is the schematic diagram that in embodiments of the invention 1, upper dolly traction is wound around subsystem；

Fig. 5 is the upper dolly lifting and winding subsystem concrete canoe on upper dolly in embodiments of the invention 1；

Fig. 6 is the lower dolly lifting and winding subsystem concrete canoe on lower dolly in embodiments of the invention 1；

Fig. 7 is crossbeam structure and lower dolly fit structure schematic diagram in embodiments of the invention 1；

Fig. 8 is that in embodiments of the invention 1, first carrier structure and the second carrier structure arrange the location drawing on crossbeam；

Fig. 9 be upper dolly lifting and winding subsystem and the lower dolly lifting and winding subsystem of the present invention coordinate schematic diagram；

Figure 10 is the structural representation that in the embodiment of the present invention 4, potential energy compensates system；

Figure 11 is the structural representation that in the embodiment of the present invention 5, potential energy compensates system；

Figure 12 is the structural representation that in the embodiment of the present invention 6, potential energy compensates system；

Figure 13 be balance weight of the present invention and compensate winding system coordinate three-dimensional structure diagram with land heel post casing；

Figure 14 is the front view of Figure 13；

Figure 15 is the sectional view in Figure 13 along line A-A；

Figure 16 is the structural representation of the upper and lower energy-conservation winding system of dolly in the embodiment of the present invention 7；

Figure 17 is the schematic diagram of upper dolly lifting and winding subsystem in embodiments of the invention 2；

Figure 18 is the schematic diagram of lower dolly lifting and winding subsystem in embodiments of the invention 3；

Figure 19 is the schematic diagram of the first anti-bias structure described in embodiments of the invention 1；

Figure 20 is the schematic diagram of the second anti-bias structure described in embodiments of the invention 1.

In figure, reference is expressed as: in figure, reference is expressed as: k10-first drives reel；K11-the first hoist rope；K12-the first carrying roller；K14-the first horizontally redirectional assembly pulley；K15-First Transition assembly pulley；K161-the first horizontal trolley；K162-the second vertical sliding wheel；K163-the 14th pulley；K164-the 15th pulley；K165-the 11st pulley；K166-the tenth pulley；K20-second drives reel；K21-the second hoist rope；K22-the second carrying roller；K24-the second horizontally redirectional assembly pulley；K25-the second transition assembly pulley；K261-the 4th horizontal trolley；K262-the 5th vertical sliding wheel；K263-the 7th pulley；K264-the 8th pulley；K265-the 9th pulley；K266-the 13rd pulley；K267-the 6th pulley；K268-the 12nd pulley；The upper dolly of k40-；The upper suspender of k60-；Dolly under k70-；Suspender under k80-；K90-rope clamp；K300-drives reel；400k-the first haulage cable group；K800-the second haulage cable group；K500-traction changed course assembly pulley；K900-the 3rd traction changed course pulley；K1200-the 3rd haulage cable group；K1400-the 4th haulage cable group；K1600-fixed block；S1-the first crossbeam；S2-the second crossbeam；S3-the first guide rail；S4-the second guide rail；S5-the 3rd guide rail；S6-the 4th guide rail；S7-rigid support；S8-intermediate cavity；S12-the first walking mechanism；S29-the second walking mechanism；S31-the first horizontal guide sheave；S32-the second horizontal guide sheave；S33-the 3rd horizontal guide sheave；S34-the 4th horizontal guide sheave；S35-the third line walks mechanism；S36-fourth line walks mechanism；M1-the 3rd " L " type hook portion；M2-the 4th " L " type hook portion；N1-first " L " type hook portion；N2-second " L " type hook portion；Q1-horizontal part；A1-hoisting drum；A3-compensates steel wire rope；A4-compensates winding system；A5-balance weight；A6-dolly suspender；A7-hoist rope；A8-the first drum rope groove；A9-the second drum rope groove；A10-lower sheave；A11-top sheave；A12-steel wire rope；A13-alters course pulley；A14-chute；A15-guide rail；A16-fueling injection equipment；A17-oil drain pan；A18-bank portal lower limb；A19-the first hoisting drum；A20-the second hoisting drum.

Detailed description of the invention

Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains the present invention, it is not limited to the present invention.

Embodiment 1

The present embodiment provides the winding system of a kind of upper and lower dolly, pass through formula double trolley and bank bridge with the use of in, this winding system can be used.Specifically, this winding system is adapted in use in following crossbeam structure, and as shown in Figure 7 and Figure 8, described crossbeam structure includes the first crossbeam s1 and the second crossbeam s2 be arrangeding in parallel；The relative inner of described first crossbeam s1 and described second crossbeam s2 is provided with the first guide rail s3 and the second guide rail s4, described first guide rail s3 and described second guide rail s4 and is collectively forming the first guide rail structure that the upper dolly k40 of supporting runs；The outside of described first crossbeam s1 and the outside of described second crossbeam s2 are provided with the 3rd guide rail s5 and the 4th guide rail s6, 3rd guide rail s5 and the 4th guide rail s6 is collectively forming the second guide rail structure that the lower dolly k70 of supporting runs, dolly k70 is wherein descended to have rigid support, namely, first walking structure being positioned at crossbeam structure both sides of lower dolly k70 and the second walking structure are connected by rigid support s7, make stress balance between described first walking mechanism and described second walking mechanism, thus prevent described first walking mechanism and described second walking mechanism abjection described 3rd guide rail s5 and described 4th guide rail s6.

Wherein, described rigid support s7 is U-shape structure, and two vertical stand of described U-shape structure are connected with described first walking structure and described second walking structure respectively, and intermediate cavity s8 of described U-shape structure is for passing for described upper dolly k40.Realize being rigidly connected by described U-shape structure between the most described first walking structure and described second walking structure；And described U-shape structure has intermediate cavity s8 passed for described upper dolly k40, because described U-shape structure is rigid structure, like this, size in intermediate cavity s8 described in running remains constant, thus prevent from interfering between described U-shape structure and described upper dolly, it is ensured that described upper dolly can pass described intermediate cavity s8 in running all the time smoothly.

It addition, as shown in Figure 8, crossbeam structure is additionally provided with the first carrier structure for supporting upper dolly lifting and winding subsystem, and for supporting the second carrier structure of lower dolly lifting and winding subsystem.Specifically, described first carrier structure includes the pars intermedia being connected between the first crossbeam s1 of described crossbeam structure and the second crossbeam s2, it is connected to the horizontal part q1 below described pars intermedia, it is connected to first " L " type hook portion n1 and second " L " type hook portion n2 at described horizontal part q1 two ends, the horizontal crochet of described first " L " type hook portion and the horizontal crochet of described second " L " type hook portion support the different units of described first carrying roller k12 respectively, first carrying roller k12 can rotate around the horizontal crochet of first " L " type hook portion n1 and second " L " type hook portion n2, the vertical centrage of the large arm that described first " L " type hook portion n1 and second " L " type hook portion n2 are constituted with the first crossbeam s1 and the second crossbeam s2 is arranged symmetrically with.

The 3rd " L " type hook portion m1 outside the first crossbeam s1 that described second carrier structure includes being connected to described crossbeam structure and the second crossbeam s2 and the 4th " L " type hook portion m2, the horizontal crochet of described 3rd " L " type hook portion and the horizontal crochet of described 4th " L " type hook portion support the different units of described second carrying roller k22 respectively, described second carrying roller k22 can rotate around the horizontal limes marginis of the 3rd " L " type hook portion m1 and the 4th " L " type hook portion m2, the vertical centrage of the large arm that the 3rd " L " type hook portion m1 and the 4th " L " type hook portion m2 are constituted with the first crossbeam s1 and the second crossbeam s2 is arranged symmetrically with.

As shown in figure 19, also include preventing the first anti-bias structure of skew about the generation of described lower dolly;Described first anti-bias structure includes the first horizontal guide sheave s31 being located at outside the steel wheel of the first walking mechanism s12 of lower dolly, and the second horizontal guide sheave s32 outside the steel wheel of the second walking mechanism s29 being located at lower dolly；When described lower dolly left shift, described first horizontal guide sheave s31 is pressed on the outside of described first guide rail s3 to stop the steel wheel left shift of described first walking mechanism s12；When described lower dolly offsets to the right, described second horizontal guide sheave s32 is pressed on the outside of described second guide rail s4 to stop the steel wheel of described second walking mechanism s29 to offset to the right.The most in the present embodiment, in the normal course of operation of described lower dolly, there is certain interval in described first horizontal guide sheave and described second horizontal guide sheave between corresponding guide rail；When there is skew to the left in described lower dolly, gap between described first horizontal guide sheave and described first guide rail disappears, and described first horizontal guide sheave is pressed on the outside of described first guide rail, thus prevent the steel wheel of described first walking mechanism of described lower dolly from offseting to the left, and then prevent described lower dolly entirety from offseting；When there is to the right skew in described lower dolly, gap between described second horizontal guide sheave and described second guide rail disappears, and described second horizontal guide sheave is pressed on the outside of described second guide rail, thus prevent the steel wheel of described second walking mechanism of described lower dolly from offseting to the right, and then prevent described lower dolly entirety from offseting；Meanwhile, this kind is arranged can also avoid described lower trolley travelling process to glance off, because of described rigid-frame, the phenomenon causing the steel wheel of walking mechanism to gnaw rail, and can also prevent described lower dolly from toppling.

As shown in figure 20, also include preventing the second anti-bias structure of skew about described upper dolly k40 generation；Described second anti-bias structure includes being located at the third line of described upper dolly and walks the steel wheel the 3rd horizontal guide sheave s33 away from the 3rd guide rail s5 side of mechanism s35, and the fourth line being located at described upper dolly walks the steel wheel the 4th horizontal guide sheave s34 away from the 4th guide rail s6 side of mechanism s36；When described upper dolly left shift, described 4th horizontal guide sheave is pressed on the outside of described 4th guide rail s6 to stop described fourth line to walk the steel wheel left shift of mechanism s36；When described upper dolly offsets to the right, described 3rd horizontal guide sheave is pressed on the steel wheel outside of described 3rd guide rail s5 walking mechanism to stop described the third line and offsets to the right.The most in the present embodiment, on described in the normal course of operation of dolly, there is certain interval in described 3rd horizontal guide sheave and described 4th horizontal guide sheave between corresponding guide rail；When there is skew to the left in described upper dolly, gap between described 4th horizontal guide sheave and described 4th guide rail disappears, and described 4th horizontal guide sheave is pressed on the outside of described 4th guide rail, thus the steel wheel preventing the described fourth line of described upper dolly from walking mechanism offsets to the left, and then prevent described upper dolly entirety from offseting；When there is to the right skew in described upper dolly, gap between described 3rd horizontal guide sheave and described 3rd guide rail disappears, and described 3rd horizontal guide sheave is pressed on the outside of described 3rd guide rail, thus the steel wheel preventing described the third line of described upper dolly from walking mechanism offsets to the right, and then prevent described upper dolly entirety from offseting；Meanwhile, this kind is arranged can also avoid described upper trolley travelling process to glance off, because of described rigid-frame, the phenomenon causing the steel wheel of walking mechanism to gnaw rail, and is prevented from described upper dolly to a certain extent and topples.

nullDolly winding system upper and lower in the present embodiment is specifically described by 1-6 and Fig. 9 below in conjunction with the accompanying drawings，The winding system of dolly up and down of the present embodiment includes that the upper dolly traction for driving upper dolly to draw is wound around subsystem，Lower dolly traction for driving lower dolly to draw is wound around subsystem，For the upper dolly lifting and winding subsystem driving upper dolly to hoist and to land，And for the lower dolly lifting and winding subsystem driving lower dolly to hoist and landing，Described upper dolly lifting and winding subsystem includes at least one first driving reel k10，At least one the first hoist rope k11 being wrapped on the first driving reel k10，Some first carrying roller k12 for the first hoist rope k11 described in horizontal support，Described first hoist rope k11 is connected on dolly k40 by least one set first assembly pulley that alters course，Described lower dolly lifting and winding subsystem includes at least one second driving reel k20，At least one the second hoist rope k21 being wrapped on the second driving reel k20，Some second carrying roller k22 for the second hoist rope k21 described in horizontal support，Described second hoist rope k21 is connected on lower dolly k70 by least one set second assembly pulley that alters course，Some first carrying roller k12 are horizontally supported the inner side in crossbeam structure by the first carrier structure，Some second carrying roller k22 are horizontally supported the outside in crossbeam structure by the second carrier structure，And described first drive the horizontal component of reel k10 and the first hoist rope k11 to be arranged at the inner side of the horizontal space that the horizontal component of the second hoist rope k21 surrounds，As shown in Figure 9.

nullAbove-mentioned winding system，As shown in Figure 9，Some first carrying roller k11 are horizontally supported the inner side in crossbeam structure by the first carrier structure，Some second carrying roller k21 are horizontally supported the outside in crossbeam structure by the second carrier structure，So that upper dolly lifting and winding subsystem and lower dolly lifting and winding subsystem are respectively supported at inside and outside crossbeam structure，When hoisting and decline，Inner side and outer side at crossbeam hoists respectively，Will not produce and interfere，And the inner side of the horizontal space that the described first horizontal component driving the horizontal component of reel k10 and the first hoist rope k11 to be arranged at the second hoist rope k21 surrounds，It is arranged so as to not only make dolly lifting and winding subsystem and lower dolly lifting and winding subsystem to interfere，And it is the compactest，Make that dolly lifting and winding subsystem and lower dolly lifting and winding subsystem in limited space arrange is more reasonable，And，As can be seen from Figure，Get on or off the bus after being wound around，The internal structural space that the framework of intermediate cavity s8(namely rigid support s7 that are fully located at the rigid support s7 of lower dolly k70 is formed) in，Thus double car will not interfere when passing through.

Below in conjunction with the accompanying drawings to the upper dolly traction winding subsystem for driving upper carriage walking mentioned in the present embodiment, it is wound around subsystem for driving the lower dolly of lower carriage walking to draw, is described separately for the upper pulley of dolly lifting and winding subsystem and the concrete canoe of steel wire rope driving dolly to hoist and to land.

As shown in Figure 3 and Figure 5, the described first changed course assembly pulley of the upper dolly lifting and winding subsystem in the present embodiment includes the first horizontally redirectional assembly pulley k14 being fixedly installed, described first horizontally redirectional assembly pulley k14 drives reel k10 to arrange near described first, for changing the first hoist rope k11 being horizontally orientated to from the described first external part driving reel k10 so that described first hoist rope k11 is horizontal-extending towards the direction of described upper dolly k40.

The setting of above-mentioned first horizontally redirectional assembly pulley k14 makes described first hoist rope k11 horizontal-extending towards the direction of described upper dolly k40, not only it is easy to the first hoist rope k11 direction winding towards upper dolly k40, but also the horizontal-extending length of lifting winding system can be reduced so that whole system is the compactest.

Described first changed course assembly pulley also includes that being fixedly installed on described first drives the First Transition assembly pulley k15 between reel k10 and described first horizontally redirectional assembly pulley k14, described First Transition assembly pulley k15 will come from the external part of the first hoist rope k11 of the first driving reel k10 with the traction angle more than 90 degree and less than 180 degree to described first horizontally redirectional assembly pulley k14, draw with the angle of 120 degree in the present embodiment, it is also possible to use 100 degree, 125 degree, 130 degree, 150 degree etc..

The setting of above-mentioned transition assembly pulley k15 so that extend towards horizontal direction again, so that whole system is the compactest after first changed course the first hoist rope k11 of stretching out of assembly pulley can reduce height.

nullAs shown in Figure 5，Described first changed course assembly pulley also includes that be arranged on described upper dolly k40 and upper suspender k60 first vertically alters course assembly pulley，Described first vertically alters course assembly pulley for changing the trend of the external part coming from described first horizontally redirectional assembly pulley k14 of described first hoist rope k11，It is made to extend on described upper suspender k60，Specifically，Described first vertical changed course assembly pulley include being arranged on dolly k40 two the first horizontal trolley k161 in a distance and the second vertical sliding wheel k162，And it is arranged on the 3rd assembly pulley on described upper suspender k60，Described second vertical sliding wheel k162 compared with described first horizontal trolley k161 farther away from described first horizontally redirectional assembly pulley k14，The external part coming from described first horizontally redirectional assembly pulley k14 of described first hoist rope k11，First walk around the second vertical sliding wheel k162 from below，First hoist rope k11 vertically alters course 180 °，Further around crossing described first horizontal trolley k161，First hoist rope k11 laterally alters course 180 °,Then the bottom from described upper dolly k40 is ultimately disposed at upper suspender k60 through described 3rd assembly pulley.nullDescribed 3rd assembly pulley includes the 14th pulley k163 being positioned at described upper suspender k60 top，It is positioned at the 15th pulley k164 of suspender k60 bottom，And the tenth pulley k166 and the 11st pulley k165，Described tenth pulley k166 compared with described 11st pulley k165 farther away from described 14th pulley k163，The external part of the first hoist rope k11 coming from the first horizontal trolley k161 first walks around the 14th pulley k163 from top，Again from bottom wraparound the 14th pulley k163 of the 15th pulley k164，Walk around the tenth pulley k166 the most from below，First hoist rope k11 laterally alters course 180 °，Further around crossing described 11st pulley k165，First hoist rope vertically alters course 180 °,It is ultimately disposed on the bottom of suspender k60.

By the setting of above-mentioned each group of changed course pulley, not only change being horizontally orientated to of the first hoist rope k11, have also been changed the trend of the vertical direction of the first hoist rope k11 so that it is that is not finally interfered is wrapped on upper dolly k40；And this kind of set-up mode is easy to arrange and is organized pulley more.

It should be noted that, so that be wound around more stable, above-mentioned 3rd assembly pulley can arrange many groups, when arrange organize more time, 14th pulley the 163 and the 15th pulley k164 is respectively provided with multiple, and multiple 14th pulleys 163 are arranged in parallel, and multiple 15th pulley k164 are the most arranged in parallel.Further, so that dolly can steadily hoist, the left and right sides of dolly is respectively provided with above-mentioned upper dolly lifting and winding subsystem.

nullAs shown in Figure 4，The described upper dolly traction of the present embodiment is wound around subsystem and includes driving reel k600，It is wrapped in the 3rd haulage cable group k1200 on described driving reel k600 along a first direction，It is wrapped in the 4th haulage cable group k1400 on described driving reel k600 along the second direction contrary with first direction，Described 3rd haulage cable group k1200 is through least one set traction changed course assembly pulley k900，It is wrapped on fixed block k1600，And then on the first side being located at upper dolly k40，Described 3rd haulage cable group k1200 does not interferes with described first hoist rope k11 winding on dolly on described，Described 4th haulage cable group k1200 is also at least through one group of traction changed course assembly pulley k900，It is wrapped on fixed block k1600，And then on the second side being located at upper dolly k40，It is oppositely arranged with the first side on second side，Described 3rd haulage cable group k1200、Described 4th haulage cable group k1400 does not interferes with described first hoist rope k11 winding on dolly on described.

Specifically, first hoist rope k10 of upper dolly is wrapped on the left and right side of dolly k40,3rd haulage cable group k1200 of upper dolly and the 4th haulage cable group k1400 are wrapped in the upper and lower side of dolly, so that the steel wire rope that the traction of upper dolly is wound around subsystem and upper dolly lifting and winding subsystem simultaneously acts on dolly, and will not interfere so that mechanism runs more smooth and easy and mechanism is compacter.

As shown in figures 1 to 6, second changed course assembly pulley of the lower dolly lifting and winding subsystem in the present embodiment includes the second horizontally redirectional assembly pulley k24 being fixedly installed, described second horizontally redirectional assembly pulley k24 drives reel k20 to arrange near described second, for changing the second hoist rope k21 being horizontally orientated to from the described second external part driving reel k20 so that described second hoist rope k21 is horizontal-extending towards the direction of described lower dolly k70.

Described second changed course assembly pulley also includes being fixedly installed on described second and drives the second transition assembly pulley k25, described second transition assembly pulley k25 between reel k20 and described second horizontally redirectional assembly pulley k24 will to come from the external part of the second hoist rope k21 of the second driving reel k20 with more than 90 degree and be less than the traction angle of 180 degree to described second horizontally redirectional assembly pulley k24.

nullDescribed second vertically changed course assembly pulley k26 include being arranged on two of lower dolly k70 top the 4th horizontal trolley k261 in a distance and the 5th vertical sliding wheel k262，It is arranged on the 6th pulley k267 on described lower dolly k70，It is arranged on several the 7th pulley k263 be arrangeding in parallel on described lower suspender k80 top,It is arranged on several the 8th pulley k264 be arrangeding in parallel on lower suspender k80 top，It is arranged on the 9th pulley k265 bottom described lower suspender k80，And the 12nd pulley k268 and the 13rd pulley k266，Described 5th vertical sliding wheel k262 compared with described 4th horizontal trolley k261 farther away from described second horizontally redirectional assembly pulley k24，Described 7th pulley k263 compared with described 8th pulley k264 farther away from the inside of described lower suspender k80，Described 12nd pulley k268 compared with described 13rd pulley k266 farther away from described 6th pulley k267，The external part coming from described second horizontally redirectional assembly pulley k24 of described second hoist rope k21，First walk around the 5th vertical sliding wheel k262 from below，Second hoist rope k21 alters course 180 ° straight up，Further around crossing described 4th horizontal trolley k261，Second hoist rope k21 horizontally redirectional 180 °,The 6th pulley k267 is walked around the most successively from top，The 7th pulley k263 is walked around from bottom，The 8th pulley k264 is walked around again from top，Alter course straight down and followed by walk around the 9th pulley k265 from bottom，Then from the top of another the 8th pulley k264 around the bottom of another the 7th pulley k263，Alter course straight up and followed by walk around the 6th pulley k267 from top，Then pass around the 12nd pulley k268，Laterally changed course 180 degree，The 13rd pulley k266 is finally walked around from top，Vertical changed course 180 degree，Finally lay out on described lower suspender k80.

By the setting of above-mentioned each group of changed course pulley, not only change being horizontally orientated to of the second hoist rope k21, have also been changed the trend of the vertical direction of the second hoist rope k21 so that it is under being wrapped in finally do not interfered on dolly k70.

It should be noted that in above-mentioned all pulleys of above-mentioned lower dolly lifting and winding subsystem, the only the 9th pulley k265 is movable pulley, and other pulley is fixed pulley.

Described 7th pulley k263 and the 8th pulley k264 is along the bottom radially arrangement of described lower dolly k70, and described second hoist rope k21 is wrapped in the projection in the horizontal plane of the part of the 7th pulley k263 and is positioned at described second hoist rope k21 and is wrapped in the radial outside of the part of the 8th pulley k264 projection in the horizontal plane.So that the position of lower suspender k80 and upper suspender k60 can be the most right so that the position that suspender captures container is identical.

Described 4th horizontal trolley k261, the 5th vertical sliding wheel k262, the 7th pulley k263 and the 8th pulley k264 are arranged on the rigid support s7 of described lower dolly k70, described upper dolly k40 and be in the upper suspender k60 of collapsed state projection in the horizontal plane and be respectively positioned on the inside of described rigid support s7, and misaligned with the sidewall of described rigid support s7.During this kind of setting makes lower dolly hoist, the second hoist rope k21 does not haves the phenomenons such as swing, spring so that lower dolly k70 can even running, and then the upper dolly passed from the cavity of rigid support s7 will not interfere with lower dolly.

nullAs shown in Figure 2，The traction of described lower dolly is wound around subsystem and includes driving reel k300，It is wrapped in the first haulage cable group k400 on described driving reel k300 along a first direction，It is wrapped in the second haulage cable group k800 on described driving reel k300 along the second direction contrary with first direction，Described first haulage cable group k400 draws changed course assembly pulley k500 and near rigid support s1 lower end least one set traction changed course assembly pulley on the first side being located at lower dolly respectively through the least one set being positioned at lower dolly rigid support s7 upper end，Described second haulage cable group k800 respectively through lower dolly rigid support s7 upper end least one set traction changed course assembly pulley and alters course assembly pulley on second side relative with the first side being located at lower dolly near the traction of rigid structure lower end least one set，Described first haulage cable group k400、Described second haulage cable group k800 does not interferes with described second hoist rope k21 winding on described lower dolly.

Specifically, second hoist rope k21 of lower dolly is wrapped on the left and right side of lower dolly k70, first haulage cable group k400 and second haulage cable group k800 of lower dolly are wrapped in the upper and lower side of lower dolly, so that the steel wire rope that the traction of lower dolly is wound around subsystem and lower dolly lifting and winding subsystem simultaneously acts on lower dolly, and will not interfere so that mechanism runs more smooth and easy and mechanism is compacter.

Horizontally disposed and synchronously driven lower dolly the first lifting and winding subsystem and lower dolly the second lifting and winding subsystem, lower dolly the first lifting and winding subsystem and lower dolly the second lifting and winding subsystem are symmetricly set on the both sides of described lower dolly k70 to descend dolly lifting and winding subsystem to include as described in Figure.The horizontal component of the second hoist rope k21 not being wrapped on the second driving reel k20 of described lower dolly the first lifting and winding subsystem and described lower dolly the second lifting and winding subsystem is connected by rope clamp k90.

Described lower dolly lifting and winding subsystem includes horizontally disposed and synchronously driven lower dolly the first lifting and winding subsystem and lower dolly the second lifting and winding subsystem, lower dolly the first lifting and winding subsystem and lower dolly the second lifting and winding subsystem are symmetricly set on the both sides of described lower dolly, such set-up mode make lower dolly and lower suspender hoist and descent in more steady.

It should be noted that the driving reel described in the present embodiment, hoist rope, changed course pulley all can need to arrange many groups according to use, consequently facilitating improve the stability that system is run.

Embodiment 2

The present embodiment provides a kind of dolly winding system up and down, and it is the deformation on embodiment 1 basis, and its difference from Example 1 is, the set-up mode of the 3rd assembly pulley in upper dolly lifting and winding subsystem is different from embodiment 1.Specifically, in the present embodiment, as shown in figure 17, described 3rd assembly pulley includes the 14th pulley k163 being positioned at described upper suspender k60 top, it is positioned at the 15th pulley k164 of suspender k60 bottom, the external part of the first hoist rope k11 coming from the first horizontal trolley k161 first walks around the 14th pulley k163 from top, then from bottom wraparound the 14th pulley k163 of the 15th pulley k164 and lays out from the 14th pulley 163, is ultimately disposed on the bottom of suspender k60.

Embodiment 3

The present embodiment provides a kind of dolly winding system up and down, it is the deformation on embodiment 1 or 2 basis, it is with the difference of embodiment 1 or 2, and the set-up mode of the vertically changed course assembly pulley of second in lower dolly lifting and winding subsystem is different from embodiment 1 or 2.nullSpecifically，In the present embodiment，As shown in figure 18，Described second vertically changed course assembly pulley k26 include being arranged on two of lower dolly k70 top the 4th horizontal trolley k261 in a distance and the 5th vertical sliding wheel k262，It is arranged on the 6th pulley k267 on described lower dolly k70，It is arranged on several the 7th pulley k263 be arrangeding in parallel on described lower suspender k80 top,It is arranged on several the 8th pulley k264 be arrangeding in parallel on lower suspender k80 top，And it is arranged on the 9th pulley k265 bottom described lower suspender k80，Described 5th vertical sliding wheel k262 compared with described 4th horizontal trolley k261 farther away from described second horizontally redirectional assembly pulley k24，Described 7th pulley k263 compared with described 8th pulley k264 farther away from the inside of described lower suspender k80，The external part coming from described second horizontally redirectional assembly pulley k24 of described second hoist rope k21，First walk around the 5th vertical sliding wheel k262 from below，Second hoist rope k21 alters course 180 ° straight up，Further around crossing described 4th horizontal trolley k261，Second hoist rope k21 horizontally redirectional 180 °,The 6th pulley k267 is walked around the most successively from top，The 7th pulley k263 is walked around from bottom，The 8th pulley k264 is walked around again from top，Alter course straight down and followed by walk around the 9th pulley k265 from bottom，Then from the top of another the 8th pulley k264 around the bottom of another the 7th pulley k263，Alter course straight up and followed by walk around the 6th pulley k267 from top and the top from the 6th pulley 267 lays out and is arranged on described lower suspender k80.

Embodiment 4

As shown in Figure 10, the present embodiment provides a kind of potential energy to compensate system, including balance weight a5, compensates winding system a4 and compensates steel wire rope a3.

Wherein, the lower end of described compensation winding system a4 connects described balance weight a5, is used for transmitting driving force so that described balance weight a5 rises or falls；Described compensation steel wire rope a3 one end is connected to the upper end of described compensation winding system a4, and the other end is suitable to be connected with drive force source, is used for transmitting described driving force so that described compensation winding system a4 action, so that described balance weight a5 rises or falls.

The potential energy of the present embodiment compensates the hoisting drum a1 that system also includes jointly being wound around for hoist rope a7 and described compensation steel wire rope a3, described hoist rope a7 one ends wound is on described hoisting drum a1, one end connects dolly suspender a6, for transmitting the driving force of described hoisting drum a1, described dolly suspender a6 is made to rise or fall；Described compensation steel wire rope a3 winding position on described hoisting drum a1 does not interferes with described hoist rope a3 winding position on described hoisting drum a1, and described compensation steel wire rope a3 described hoisting drum a1 around to described hoist rope a7 at described hoisting drum a1 around to contrary.

In use, when described hoisting drum a1 rotates forward, described dolly suspender a6 pulls described hoist rope a7 to decline, and described balance weight a5 rises energy storage under described compensation steel wire rope a3 and described compensation winding system a4 draws；During described hoisting drum a1 reversion, described balance weight a5 pulls described compensation steel wire rope a3 and described compensation winding system a4 to decline and releases energy, and described dolly suspender a6 rises under described hoist rope a7 draws；Or, as a kind of alternative form, during described hoisting drum a1 reversion, described dolly suspender a6 pulls described hoist rope a7 to decline, and described balance weight a5 rises energy storage under described compensation steel wire rope a3 and described compensation winding system a4 draws；When described hoisting drum a1 rotates forward, described balance weight a5 pulls described compensation steel wire rope a3 and described compensation winding system a4 to decline and releases energy, and described dolly suspender a6 rises under described hoist rope a7 draws.

The potential energy of the present embodiment compensates system by sharing the ingehious design of a hoisting drum with dolly suspender, eliminate the special driving reel arranged in potential energy compensation system, and compensate, without arranging on dolly suspender, pulley and the steel wire rope that system coordinates specially with potential energy, simple in construction, production cost is substantially reduced, and steel wire rope arranges do not have difficulty, easily realizes.

In the present embodiment, the torque that described balance weight a5 acts on described hoisting drum a1 by described compensation winding system a4 and described compensation steel wire rope a3 is equal with the torque that described dolly suspender a6 acts on described hoisting drum a1 by described hoist rope a7.Being arranged by this kind, described balance weight a5 can balance the weight of described dolly suspender a6, thus when container hoists, the power of the lifting electric motor in machine room only need power consumption for the lifting of container, and without in power consumption for the lifting of suspender.

Described hoisting drum a1 is provided with the first drum rope groove a8 being wound around for described compensation steel wire rope a3 and the second drum rope groove a9, described first drum rope groove a8 and described second drum rope groove a9 being wound around for described hoist rope a7 and arranges along described hoisting drum a1 axially spaced-apart.When balance weight rises energy storage, compensating steel wire rope a3 and increase along the described first drum rope groove a8 winding number of turn, described dolly suspender declines, and hoist rope is wound around the number of turn along described second drum rope groove a9 to be reduced.

In the present embodiment, described first drum rope groove a8 can also partially overlap with the second adjacent drum rope groove a9, when i.e. balance weight rises energy storage, compensate steel wire rope a3 to be wound around along the first drum rope groove a8, and the winding number of turn at least partly increased is wrapped in the first drum rope groove a8 intersection, and this intersection hoist rope is wound around the number of turn and just eliminates during declining along with dolly suspender.Arranged by this kind, the setting of hoisting drum coiling grooving group number can be saved, be also beneficial to reduce hoisting drum length vertically.

Described first drum rope groove a8 is arranged in the outside of described second drum rope groove a9, i.e. compensation wirerope-winding is in the outside of described hoist rope, and both are wound around non-interference.

In the present embodiment, described hoisting drum a1 is Split type structure, including the first hoisting drum a1 and the second hoisting drum a1 that are positioned at the described dolly suspender a6 left and right sides, described first hoisting drum a1 is connected to the left side of described dolly suspender a6 by the described hoist rope a7 on the left of described dolly suspender a6, and described second hoisting drum a1 is connected to the right side of described dolly suspender a6 by the described hoist rope a7 on the right side of described dolly suspender a6.

Wherein, described first hoisting drum a19 forms the first drum rope groove a8 described in two groups；Forming the second drum rope groove a9 described in two groups on described second hoisting drum a20, the first drum rope groove a8 described in two groups is respectively arranged in the outside of the second drum rope groove a9 described in two groups.Described first hoisting drum a19 and described second hoisting drum a20 is correspondingly arranged a set of described compensation winding system a4 and described balance weight a5 respectively.

Potential energy at the present embodiment compensates system and is set to a set of, it is positioned at left side or the right side of described suspender, in the present embodiment, described compensation winding system a4 concrete structure is: described compensation winding system includes several multiplying power assembly pulleys being arranged side by side, each described multiplying power assembly pulley includes the lower sheave a10 being fixed in described balance weight a5 and the top sheave a11 being fixedly installed, and is wrapped in the steel wire rope a12 between described lower sheave a10 and described top sheave a11；Wherein, being fixedly installed of top sheave a11 refers to that the center of rotation of top sheave a11 is fixedly installed, rather than top sheave a11 itself can not rotate.The described top sheave a11 correspondence of each described multiplying power assembly pulley connects a described compensation steel wire rope a3.

Further, described compensation winding system includes multiplying power assembly pulley described in four groups, correspondingly, described compensation steel wire rope a3 is set to four, wherein two described compensation steel wire rope a3 are wrapped in described first hoisting drum a19, other two described compensation steel wire rope a3 and are wrapped on described the two the second hoisting drum a20.

Additionally, in the present embodiment, described potential energy compensation system also includes that the described compensation steel wire rope a3 of changed course pulley a13, each connection described compensation winding system a4 upper end being arranged between described hoisting drum a1 and described compensation winding system a4 changes through described changed course pulley a13 and is connected back to described hoisting drum a1.By the setting of the pulley a13 that alters course, potential energy compensates system and arranges position more flexibly, and reduce further and compensate the probability that steel wire rope is interfered with hoist rope.

In the present embodiment, described balance weight a5 and corresponding described compensation winding system a4 are arranged in the land heel post casing of bank bridge.Balance weight is run in the column casing of bank bridge up and down, appearance looks elegant, and balance weight and the corresponding winding system that compensates are arranged in the heel post casing of land, the most do not increase sea side wheel pressure, so that the stability of complete machine improves, the safety of bank bridge system improves further.

As illustrated in figs. 13-15, multiple vertical chute a14 is set in described balance weight a5, in the heel post casing of An Qiao land, the position of corresponding chute a14 arranges the guide rail a15 of equal number, molding of guide rail is on the bank portal lower limb a18 of side, An Qiao land solid casing, the chute a14 of described balance weight a5 is embedded in guide rail a15, can move up and down along guide rail a15 straight line.

In the present embodiment, described guide rail a15 is the "convex" shaped being made up of horizontal component and vertical portion, the horizontal component of described "convex" shaped is fixed on bank portal lower limb a18 by welding or other fixed forms, the cross section of the vertical portion of described "convex" shaped is rectangle, but be not restricted to that rectangle.Accordingly, the chute a14 in described balance weight a5 is rectangular channel, is also not necessarily limited to rectangle the most in the present invention.

In addition, in the heel post casing of An Qiao land, every guide rail is respectively provided with lubricating arrangement, described lubricating arrangement includes the fueling injection equipment of rail crown, oil drain pan a17 bottom a16 and guide rail, described fueling injection equipment a16 constantly to described guide rail a15 lubricant sprayer, is used for lubricating guide rail, and the described oil drain pan below guide rail collects the oil fallen on guide rail, and it is evacuated to fueling injection equipment a16 by oil pump, form circulation.

According to structure described above, illustrate that the present embodiment potential energy compensates the work process of system below according to accompanying drawing:

Case process grabbed by described dolly suspender: when dolly suspender needs decline to grab case, described dolly suspender zero load declines, described dolly suspender drives described hoisting drum a1 to rotate forward by hoist rope, described balance weight a5 rises energy storage, the potential energy that the potential energy that described balance weight a5 rises mainly is declined by dolly suspender provides, the energy consumption of hoisting drum is mainly used in controlling the speed that dolly suspender declines, when dolly suspender drops to container, described balance weight rises to extreme position, and described hoisting drum stops rotating forward；

Described hoisting drum inverts, and described dolly suspender is grabbed case and risen, and described balance weight declines and releases energy, and now the energy consumption of hoisting drum is mainly used in the container that hoists, and the hoisting by described balance weight to provide energy of suspender self.

Described dolly suspender unloads case process: dolly suspender declines, balance weight rises and energy storage under the traction compensating steel wire rope and compensation winding system, the decline of dolly suspender utilizes the gravity of dolly suspender and container naturally to decline, the energy consumption of hoisting drum is mainly used in the decrease speed of domination set vanning, and during dolly suspender declines, energy consumption is less.

Embodiment 5

The replaceable form of one of system is compensated as embodiment 4 potential energy, the present embodiment provides a kind of potential energy to compensate system, in the present embodiment, as shown in figure 11, described potential energy compensates system and is set to two sets, it is respectively arranged in the left side of described dolly suspender a6 and right side, the described potential energy of every suit is compensated four described compensation steel wire ropes of system and is wound on the hoisting drum of corresponding side by changed course pulley, i.e. it is positioned at the compensation steel wire rope on the left of described suspender to be wound on the first hoisting drum by changed course pulley, it is positioned at the compensation steel wire rope on the right side of described suspender to be wound on the second hoisting drum by changed course pulley.

It should be noted that the multiplying power assembly pulley in each described potential energy compensation system of this enforcement could be arranged to four groups, it is also possible to be set to other group numbers, such as two groups, three groups etc..

Embodiment 6

As embodiment 4 or a kind of alternative way of embodiment 5, the present embodiment provides a kind of potential energy to compensate system, in the present embodiment, as shown in figure 12, described hoisting drum is set to integrative-structure, described hoisting drum both sides are separately provided for the first drum rope groove a8 of described compensation steel wire rope a3 winding and are positioned in the middle of the first drum rope groove a8 of both sides, the second drum rope groove a9 being wound around for described hoist rope a7.Hoisting drum is set to integrative-structure, saves the raw-material use of hoisting drum, reduce cost, but also potential energy can be improved and compensate the efficiency of assembling of system.

Described potential energy compensates system and is set to two sets, it is respectively arranged in the left side of dolly suspender and right side, every suit potential energy compensates system and includes four groups of multiplying power assembly pulleys, accordingly, the first drum rope groove of the four compensation wirerope-windings being suitable to corresponding side is formed respectively on two ends outside described hoisting drum, and between two group of first drum rope groove, be suitable to dolly and hang two group of second drum rope groove that ambilateral hoist rope is wound around.

Embodiment 7

The present embodiment provides the energy-conservation winding system of a kind of upper and lower dolly, as shown in figure 16, including for driving the upper dolly of upper carriage walking to draw winding subsystem, it is wound around subsystem for driving the lower dolly of lower carriage walking to draw, for the upper dolly lifting and winding subsystem driving upper dolly to hoist and to land, for the lower dolly lifting and winding subsystem driving lower dolly to hoist and to land, hoisting for compensating upper suspender, the upper suspender potential energy of the potential variation during decline compensates and is wound around subsystem, and be used for compensating lower suspender and hoisting, the lower suspender potential energy of the potential variation during decline compensates and is wound around subsystem.

Wherein, it is wound around subsystem for driving the upper dolly of upper carriage walking to draw, it is wound around subsystem for driving the lower dolly of lower carriage walking to draw, for the upper dolly lifting and winding subsystem driving upper dolly to hoist and to land, for the lower dolly lifting and winding subsystem driving lower dolly to hoist and to land, these are wound around subsystem and use the set-up mode described in embodiment 1 or 2 or 3.

nullDescribed lower suspender potential energy compensates and is wound around subsystem and the same second driving reel k20 of described lower dolly lifting and winding subsystem employing，Specifically，Described lower dolly compensate in sub-winding system for transmitting driving force so that balance weight a5 the second compensation steel wire rope of hoisting or declining，And in lower dolly lifting and winding subsystem for transmitting driving force so that lower dolly hoists or the second hoist rope k21 of declining jointly is wound in described second and drives reel k20，Described second compensates steel wire rope drives the winding position on reel k20 and the second hoist rope k21 to drive the winding position on reel k20 not interfere described second described second，And described second compensate steel wire rope second drive on reel k20 around to described second hoist rope k21 described second drive on reel k20 around to contrary.

nullDescribed upper suspender potential energy compensates and is wound around subsystem and the same first driving reel k10 of described upper dolly lifting and winding subsystem employing，Specifically，Described upper dolly compensate in sub-winding system for transmitting driving force so that balance weight the first compensation steel wire rope of hoisting or declining，And in upper dolly lifting and winding subsystem for transmitting driving force so that upper dolly hoists or the first hoist rope k11 of declining jointly is wound in described first and drives reel k10，Described first compensates steel wire rope drives the winding position on reel k10 and the first hoist rope k11 to drive the winding position on reel k10 not interfere described first described first，And described first compensate steel wire rope first drive on reel k10 around to described first hoist rope k11 described first drive on reel k10 around to contrary.

In the present embodiment, upper suspender potential energy compensates winding subsystem and lower suspender potential energy compensates winding subsystem and uses the potential energy described in embodiment 4 or 5 or 6 to compensate system.

nullNamely，Potential energy described in embodiment 4 or 5 or 6 is compensated system be applied in the present embodiment，And compensate as the upper suspender potential energy in the present embodiment and be wound around subsystem and lower suspender potential energy compensation winding subsystem，Concrete，The system that compensated by potential energy is applied to lower dolly and compensates as lower suspender potential energy when being wound around subsystem，Described lower suspender potential energy compensate be wound around in subsystem for transmitting driving force so that balance weight 5 the second compensation steel wire rope of hoisting or declining，And in lower dolly lifting and winding subsystem for transmitting driving force so that lower dolly hoists or the second hoist rope k21 of declining jointly is wound in described second and drives reel k20，Now second reel k20 is driven to be equivalent to hoisting drum a1 described in embodiment 4 or 5 or 6，Second hoist rope k21 is equivalent to the hoist rope a7 described in embodiment 4 or 5 or 6，Described second compensates steel wire rope is equivalent to the compensation steel wire rope a3 in embodiment 4 or 5 or 6，Described second compensates steel wire rope drives the winding position on reel k20 and the second hoist rope k21 to drive the winding position on reel k20 not interfere described second described second，And described second compensate steel wire rope second drive on reel k20 around to described second hoist rope k21 described second drive on reel k20 around to contrary.

nullImprove as one，The system that compensated by potential energy described in embodiment 4 or 5 or 6 further is applied to upper dolly and compensates as upper suspender potential energy when being wound around subsystem，Described upper suspender potential energy compensate be wound around in subsystem for transmitting driving force so that balance weight 5 the first compensation steel wire rope of hoisting or declining，And in upper dolly lifting and winding subsystem for transmitting driving force so that upper dolly hoists or the first hoist rope k11 of declining jointly is wound in described first and drives reel k10，Now first reel k10 is driven to be equivalent to the hoisting drum a1 in embodiment 4 or 5 or 6，First hoist rope k11 is equivalent to the hoist rope a7 described in embodiment 4 or 5 or 6，Described first compensates steel wire rope is equivalent to the compensation steel wire rope a3 described in embodiment 4 or 5 or 6，Described first compensates steel wire rope drives the winding position on reel k10 and the first hoist rope k11 to drive the winding position on reel k10 not interfere described first described first，And described first compensate steel wire rope first drive on reel k10 around to described first hoist rope k11 described first drive on reel k10 around to contrary.

The present embodiment for compensate lower dolly hoist decline during potential energy lower suspender potential energy compensate be wound around subsystem and for compensate on dolly hoist decline during potential energy upper suspender potential energy compensate be wound around subsystem set-up mode identical with the set-up mode of embodiment 4 or 5 or 6, here is omitted.

It should be noted that in the present embodiment, upper and lower dolly is respectively provided with potential energy and compensates winding subsystem, to play the effect reducing energy consumption.

Certainly, as the one deformation of the present embodiment, upper and lower dolly can arrange compensation with only one of which dolly and be wound around subsystem, such as, only go up dolly and arrange compensation winding subsystem, or the most lower dolly arranges compensation and is wound around subsystem.

Obviously, above-described embodiment is only for clearly demonstrating example, not the restriction to embodiment.For those of ordinary skill in the field, it may also be made that change or the variation of other multi-form on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And the obvious change thus extended out or variation still in the protection domain of the invention among.

Claims (17)

1. a dolly winding system about, including for driving the upper dolly of upper carriage walking to draw winding subsystem, is used for driving The lower dolly traction of lower carriage walking is wound around subsystem, for driving the upper dolly lifting and winding hoisting and falling of dolly suspender Subsystem, and for driving the lower dolly lifting and winding subsystem hoisting and landing of lower dolly suspender, described upper dolly hoists It is wound around subsystem and includes at least one first driving reel (k10), be wrapped at least one on the first driving reel (k10) First hoist rope (k11), is used for holding up the level of some first carrying rollers of described first hoist rope (k11) (k12), described first hoist rope (k11) is connected to dolly (k40) by least one set first assembly pulley that alters course On, described lower dolly lifting and winding subsystem includes at least one second driving reel (k20), is wrapped in the second driving reel (k20) at least one the second hoist ropes (k21) on, are used for holding up the level of described second hoist rope (k21) Some second carrying rollers (k22), described second hoist rope (k21) is connected to down by least one set second assembly pulley that alters course On dolly (k70), it is characterised in that: some first carrying rollers (k12) are horizontally supported by the first carrier structure and tie at crossbeam The inner side of structure, some second carrying rollers (k22) are horizontally supported the outside in crossbeam structure by the second carrier structure, and described First drives reel (k10) to be arranged at the second hoist rope with the horizontal component of the first hoist rope (k11) (k21) inner side of the horizontal space that horizontal component surrounds.

Upper and lower dolly winding system the most according to claim 1, it is characterised in that: described first changed course assembly pulley includes fixing The the first horizontally redirectional assembly pulley (k14) arranged, described first horizontally redirectional assembly pulley (k14) drives volume near described first Cylinder (k10) is arranged, for changing the first hoist rope (k11) from the described first external part driving reel (k10) It is horizontally orientated to so that described first hoist rope (k11) is horizontal-extending towards the direction of described upper dolly (k40).

Upper and lower dolly winding system the most according to claim 2, it is characterised in that: described first changed course assembly pulley also includes solid Surely it is arranged on described first and drives the First Transition pulley between reel (k10) and described first horizontally redirectional assembly pulley (k14) Group (k15), described First Transition assembly pulley (k15) will come from the first hoist rope of the first driving reel (k10) (k11) external part draws to described first horizontally redirectional assembly pulley (k14).

4. according to the dolly winding system up and down described in Claims 2 or 3, it is characterised in that: described first changed course assembly pulley also wraps Including first be arranged on described upper dolly (k40) and upper suspender (k60) vertically to alter course assembly pulley, described first vertically alters course What assembly pulley was used for changing described first hoist rope (k11) comes from stretching of described first horizontally redirectional assembly pulley (k14) Go out the trend of end so that it is extend on described upper suspender (k60).

Upper and lower dolly winding system the most according to claim 4, it is characterised in that: the described first vertical changed course assembly pulley includes It is arranged on the first horizontal trolley (k161) in a distance of two on dolly (k40) and the second vertical sliding wheel (k162), and it is arranged on the 3rd assembly pulley on described upper suspender (k60), described second vertical sliding wheel (k162) and institute Stating the first horizontal trolley (k161) and compare farther away from described first horizontally redirectional assembly pulley (k14), described first hoists steel wire The external part coming from described first horizontally redirectional assembly pulley (k14) of rope (k11), first walks around the second vertical sliding wheel from below (k162), the first hoist rope (k11) vertically changed course 180 °, further around crossing described first horizontal trolley (k161), the first Rising steel wire rope (k11) laterally changed course 180 °, then the bottom from described upper dolly (k40) finally sets through described 3rd assembly pulley Put on upper suspender (k60).

Upper and lower dolly winding system the most according to claim 5, it is characterised in that: described 3rd assembly pulley includes being positioned at described 14th pulley (k163) on upper suspender (k60) top, is positioned at the 15th pulley (k164) of suspender (k60) bottom, And the tenth pulley (k166) and the 11st pulley (k165), described tenth pulley (k166) and described 11st pulley (k165) compare farther away from described 14th pulley (k163), come from the first of the first horizontal trolley (k161) and hoist The external part of steel wire rope (k11) first walks around the 14th pulley (k163) from top, then from the bottom of the 15th pulley (k164) around Returning on the 14th pulley (k163), walk around the tenth pulley (k166) the most from below, the first hoist rope (k11) laterally changes To 180 °, further around crossing described 11st pulley (k165), the first hoist rope vertically alters course 180 °, is ultimately disposed at On the bottom of suspender (k60).

The most upper and lower dolly winding system, it is characterised in that: the second changed course assembly pulley includes being fixedly installed Second horizontally redirectional assembly pulley (k24), described second horizontally redirectional assembly pulley (k24) drives reel near described second (k20) arrange, for changing the second hoist rope (k21) water from the described second external part driving reel (k20) Flat trend so that described second hoist rope (k21) is horizontal-extending towards the direction of described lower dolly (k70).

Upper and lower dolly winding system the most according to claim 7, it is characterised in that: described second changed course assembly pulley also includes solid Surely it is arranged on described second and drives the second transition pulley between reel (k20) and described second horizontally redirectional assembly pulley (k24) Group (k25), described second transition assembly pulley (k25) will come from the second hoist rope of the second driving reel (k20) (k21) external part draws to described second horizontally redirectional assembly pulley (k24).

9. according to the dolly winding system up and down described in claim 7 or 8, it is characterised in that: described second changed course assembly pulley also wraps Including second be arranged on described lower dolly (k70) and lower suspender (k80) vertically to alter course assembly pulley, described second vertically alters course What assembly pulley was used for changing described second hoist rope (k21) comes from stretching of described second horizontally redirectional assembly pulley (k24) Go out the trend of end so that it is extend on described lower suspender (k80).

Upper and lower dolly winding system the most according to claim 9, it is characterised in that: described second vertically alters course assembly pulley (k26) two the 4th horizontal trolleys (k261) and the 5th in a distance being arranged on lower dolly (k70) top are included Vertical sliding wheel (k262), is arranged on the 6th pulley (k267) on described lower dolly (k70), is arranged on described lower suspender (k80) several the 7th pulleys (k263) be arrangeding in parallel on top, be arranged on lower suspender (k80) top several put down The 8th pulley (k264) that row is arranged, is arranged on the 9th pulley (k265) of described lower suspender (k80) bottom, and the tenth Two pulleys (k268) and the 13rd pulley (k266), described 5th vertical sliding wheel (k262) and described 4th horizontal trolley (k261) compare farther away from described second horizontally redirectional assembly pulley (k24), described 7th pulley (k263) and the described 8th The inside farther away from described lower suspender (k80) compared by pulley (k264), described 12nd pulley (k268) and described the 13 pulleys (k266) are compared farther away from described 6th pulley (k267), described second hoist rope (k21) from In the external part of described second horizontally redirectional assembly pulley (k24), first the 5th vertical sliding wheel (k262) of walking around from below, second Rise steel wire rope (k21) to alter course 180 ° straight up, further around crossing described 4th horizontal trolley (k261), the second hoist rope (k21) horizontally redirectional 180 °, walk around the 6th pulley (k267) the most successively, walk around the 7th pulley from bottom from top (k263), then walk around the 8th pulley (k264) from top, alter course straight down and followed by walk around the 9th pulley from bottom (k265), then from the top of another the 8th pulley (k264) around the bottom of another the 7th pulley (k263), perpendicular Straight upwards changed course followed by walks around the 6th pulley (k267) from top, then passes around the 12nd pulley (k268), the most upwards changes To 180 degree, finally walk around the 13rd pulley (k266) from top, vertical changed course 180 degree, finally lay out described lower suspender (k80) on.

11. according to claim 10 dolly winding system up and down, it is characterised in that: described 7th pulley (k263) and the 8th pulley (k264) along the bottom radially arrangement of described lower dolly (k70).

12. upper and lower dolly winding systems according to claim 11, it is characterised in that: described 4th horizontal trolley (k261), 5th vertical sliding wheel (k262), the 7th pulley (k263) and the 8th pulley (k264) are arranged at described lower dolly (k70) on rigid support (s7), described upper dolly (k40) and be in the upper suspender (k60) of collapsed state at water Projection in plane is respectively positioned on the inside of described rigid support (s7), and misaligned with the sidewall of described rigid support (s7).

13. upper and lower dolly winding systems according to claim 1, it is characterised in that: described lower dolly lifting and winding subsystem bag Include horizontally disposed and synchronously driven lower dolly the first lifting and winding subsystem and lower dolly the second lifting and winding subsystem, lower dolly First lifting and winding subsystem and lower dolly the second lifting and winding subsystem are symmetricly set on the both sides of described lower dolly (k70).

14. upper and lower dolly winding systems according to claim 13, it is characterised in that: described lower dolly the first lifting and winding Be not wrapped on the second driving reel (k20) the second of system and described lower dolly the second lifting and winding subsystem hoists steel wire The horizontal component being positioned at bank bridge large arm end of rope (k21) is connected by rope clamp (k90).

15. upper and lower dolly winding systems according to claim 1, it is characterised in that: the traction of described lower dolly is wound around subsystem bag Include driving reel (k300), be wrapped in the first haulage cable group on described driving reel (k300) along a first direction (k400), it is wrapped in the second traction steel wire on described driving reel (k300) along the second direction contrary with first direction Rope group (k800), described first haulage cable group (k400) is respectively through being positioned at lower dolly rigid support (s7) upper end Least one set traction changed course assembly pulley and the traction changed course assembly pulley of the least one set near rigid support (s1) lower end are around being located at down On first side of dolly, described second haulage cable group (k800) is respectively through lower dolly rigid support (s7) upper end extremely Few one group of traction changed course assembly pulley and close rigid support (s1) lower end least one set traction changed course assembly pulley are around being located at lower dolly Second side relative with the first side on, described first haulage cable group (k400), described second haulage cable group (k800) do not interfere with the winding on described lower dolly of described second hoist rope (k21).

16. upper and lower dolly winding systems according to claim 1, it is characterised in that: described first carrier structure includes being connected to Pars intermedia between first crossbeam (s1) and second crossbeam (s2) of described crossbeam structure, is connected to below described pars intermedia π type support (q1), described π type support (q1) two ends have first " L " type hook portion (n1) and second " L " type hook Portion (n2), the horizontal crochet of described first " L " type hook portion and the horizontal crochet of described second " L " type hook portion support institute respectively Stating the different units of the first carrying roller (k12), the first carrying roller (k12) can be around first " L " type hook portion (n1) and second The horizontal crochet of " L " type hook portion (n2) rotates, described first " L " type hook portion (n1) and second " L " type hook portion (n2) the vertical centrage of the large arm constituted with the first crossbeam (s1) and the second crossbeam (s2) is arranged symmetrically with.

17. upper and lower dolly winding systems according to claim 1, it is characterised in that: described second carrier structure includes being connected to First crossbeam (s1) of described crossbeam structure and the 3rd " L " type hook portion (m1) of the second crossbeam (s2) bottom outside and Four " L " type hook portion (m2), the horizontal crochet of described 3rd " L " type hook portion and the horizontal hook of described 4th " L " type hook portion Limit supports the different units of described second carrying roller (k22) respectively, and described second carrying roller (k22) can be around the 3rd " L " type The horizontal limes marginis of hook portion (m1) and the 4th " L " type hook portion (m2) rotates, the 3rd " L " type hook portion (m1) and the 4th The vertical centrage symmetry cloth of the large arm that " L " type hook portion (m2) is constituted with the first crossbeam (s1) and the second crossbeam (s2) Put.