CN204079283U

CN204079283U - A kind of dolly winding system up and down

Info

Publication number: CN204079283U
Application number: CN201420586461.7U
Authority: CN
Inventors: 郑雪峰; 郭树旺; 赵迎九; 倪华; 肖强; 杜蔚琼
Original assignee: Huadian Heavy Industries Co Ltd
Current assignee: Huadian Heavy Industries Co Ltd
Priority date: 2014-10-11
Filing date: 2014-10-11
Publication date: 2015-01-07
Anticipated expiration: 2024-10-11

Abstract

Upper and lower dolly winding system of the present utility model, 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, thus make the steel rope of the steel rope of dolly lifting and winding subsystem and lower dolly lifting and winding subsystem be supported on the inside and outside both sides of crossbeam structure respectively, when carrying out suspender and hoisting and decline, work is carried out in the inner side and outer side that the steel rope of upper and lower dolly lifting and winding subsystem is placed on crossbeam respectively, mutual interference can not be produced, and described in the inner side of horizontal space that surrounds of the horizontal component of the first hoist rope that is wrapped on the first driving reel horizontal component that is all arranged on the second hoist rope be wrapped on the second driving reel, dolly lifting and winding subsystem and lower dolly lifting and winding subsystem can not be interfered mutually, and it is spatially compacter.

Description

A kind of dolly winding system up and down

Technical field

The utility model relates to a kind of winding system of dolly up and down for bank bridge, belongs to weight lifting technical field.

Background technology

Bank bridge is the main handling tool that harbour uses, and in the container handling process at harbour, bank bridge plays very important role.After China's accession to the WTO, the foreign trade of China also constantly strengthens thereupon, and this has higher requirement to the loading and unloading capacity at China harbour, and traditional handling bank bridge has been difficult to meet the demands, and therefore must improve quayside container crane.

The process of unloading a ship of existing harbour container is carried out mainly through the list lifting dolly on traditional bank bridge, in the working process of lifting dolly, its along track by above the truck of freight container from one end handling of bank bridge to the bank bridge other end, then freight container is placed on truck, after putting case, lifting dolly returns to bank bridge sea and surveys the lifting carrying out next freight container above box ship.Tradition bank bridge adopts single crab operation, and efficiency cannot effectively promote always, although have employed raising equipment operational factor, strengthened liter weight, the technological means such as employing two-electron atom, and, these means cannot make bank bridge handling efficiency 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 the advantage of low fuel oil consumption and anti-emission carburetor, Shi Ge great shipping company competes for and puts into effect, the efficiency of super-container vessel to ports handling machine is had higher requirement, usually require that ship time efficiency is not less than 300TEU/h, and existing traditional bank bridge cannot reach this ship time efficiency, therefore, need a kind of high efficiency bank bridge to meet the handling demand of 18000TEU box ship.

In order to improve handling effect, Chinese patent literature CN101323415A discloses a kind of crossing type double trolley bridge type crane, its structure design adopting double trolley to walk, comprise the girder be arranged on cart, first loading trolley and the second loading trolley, this two amounts dolly can pass through mutually when moving along girder, Liang Bu dolly work compound substantially increases handling efficiency, but, due to double trolley all demand fulfillment hoist requirement and operating needs, and demand fulfillment double trolley can not mutually be interfered in crossing process, therefore, when designing 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 not disturbed, avoid the steel rope of two dollies to be wound around simultaneously, this is the technical barrier also do not solved in prior art.

Utility model content

Therefore, the lifting winding system that the technical problems to be solved in the utility model is to overcome upper and lower dolly of the prior art is easy to the technical matters causing upper and lower trolley travelling to interfere, thus provides a kind of winding system of dolly up and down that operationally can not cause interference.

For this reason, the utility model provides a kind of dolly winding system up and down, the lower dolly traction comprised for driving lower dolly to draw is wound around subsystem, for driving the upper dolly lifting and winding subsystem hoisting and fall of upper dolly suspender, and for driving the lower dolly lifting and winding subsystem hoisting and land of lower dolly suspender, described upper dolly lifting and winding subsystem comprises at least one first driving reel, be wrapped at least one the first hoist ropes 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 upper dolly by least one group first assembly pulley that alters course, described lower dolly lifting and winding subsystem comprises at least one second driving reel, be wrapped at least one the second hoist ropes 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 group 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 the inner side of horizontal space that the described first horizontal component driving the horizontal component of reel and the first hoist rope to be all arranged on the second hoist rope surrounds.

Described first changed course assembly pulley comprises the first horizontally redirectional assembly pulley be fixedly installed, described first horizontally redirectional assembly pulley drives reel to arrange near described first, driving the level of the external part of reel to move towards for changing the first hoist rope from described first, making described first hoist rope towards the direction horizontal-extending of described upper dolly.

Described first changed course assembly pulley also comprises the First Transition assembly pulley be fixedly installed between described first driving reel and described first horizontally redirectional assembly pulley, and described First Transition assembly pulley will come from the external part traction of the first hoist rope of the first driving reel to described first horizontally redirectional assembly pulley.

Described first changed course assembly pulley also comprises and is arranged on described upper dolly alter course assembly pulley vertical with first on upper suspender, described first vertically alters course assembly pulley for changing the trend coming from the external part of described first horizontally redirectional assembly pulley of described first hoist rope, makes it extend on described upper suspender.

Described first vertically changed course assembly pulley comprise and be arranged on dolly two the first horizontal trolleys in a distance and the second vertical sliding wheel, and the 3rd assembly pulley be arranged on described upper suspender, described second vertical sliding wheel compared with described first horizontal trolley more 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 °, walk around described first horizontal trolley again, first hoist rope is changed course 180 ° laterally, then be finally arranged on upper suspender from the bottom of described upper dolly through described 3rd assembly pulley.

Described 3rd assembly pulley comprises the 14 pulley being positioned at described upper suspender top, be positioned at the 15 pulley of suspender bottom, and the tenth pulley and the 11 pulley, described tenth pulley compared with described 11 pulley more away from described 14 pulley, the external part coming from the first hoist rope of the first horizontal trolley first walks around the 14 pulley from top, again from bottom wraparound the 14 pulley of the 15 pulley, then the tenth pulley is walked around from below, first hoist rope is changed course 180 ° laterally, walk around described 11 pulley again, first hoist rope vertically alters course 180 °, finally be arranged on the bottom of suspender.

Second changed course assembly pulley comprises the second horizontally redirectional assembly pulley be fixedly installed, described second horizontally redirectional assembly pulley drives reel to arrange near described second, driving the level of the external part of reel to move towards for changing the second hoist rope from described second, making described second hoist rope towards the direction horizontal-extending of described lower dolly.

Described second changed course assembly pulley also comprises the second transition assembly pulley be fixedly installed between described second driving reel and described second horizontally redirectional assembly pulley, and described second transition assembly pulley will come from the external part traction of the second hoist rope of the second driving reel to described second horizontally redirectional assembly pulley.

Described second changed course assembly pulley also comprises and is arranged on described lower dolly alter course assembly pulley vertical with second on lower suspender, described second vertically alters course assembly pulley for changing the trend coming from the external part of described second horizontally redirectional assembly pulley of described second hoist rope, makes it extend on described lower suspender.

Described second vertically changed course assembly pulley comprise be arranged on lower car top two the 4th horizontal trolleys in a distance and the 5th vertical sliding wheel, be arranged on the 6th pulley on described lower dolly, be arranged on several the 7th pulleys be arranged in parallel on described lower suspender top, be arranged on several the 8th pulleys be arranged in parallel on lower suspender top, be arranged on the 9th pulley bottom described lower suspender, and the 12 pulley and the 13 pulley, described 5th vertical sliding wheel compared with described 4th horizontal trolley more away from described second horizontally redirectional assembly pulley, described 7th pulley compared with described 8th pulley more away from the inside of described lower suspender, described 12 pulley compared with described 13 pulley more 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, walk around described 4th horizontal trolley again, second hoist rope horizontally redirectional 180 °, then the 6th pulley is walked around from top successively, the 7th pulley is walked around from bottom, the 8th pulley is walked around again from top, then the 9th pulley is walked around from bottom straight down after changed course, then from the top of another the 8th pulley around the bottom to another the 7th pulley, then the 6th pulley is walked around from top straight up after changed course, then the 12 pulley is walked around, laterally changed course 180 degree, finally walk around the 13 pulley from top, vertical changed course 180 degree, finally lay out on described lower suspender.

Described 7th pulley and the 8th pulley are arranged along the bottom radial direction of described lower dolly.

Described 4th horizontal trolley, the 5th vertical sliding wheel, the 7th pulley and the 8th pulley are all arranged on the rigid support of described lower dolly, described upper dolly and the upper suspender projection being in the horizontal plane in collapsed state are all positioned at the inside of described rigid support, and do not overlap with the sidewall of described rigid support.

Described lower dolly lifting and winding subsystem comprises horizontal arrangement and synchronously driven lower dolly first lifting and winding subsystem and lower dolly second lifting and winding subsystem, and lower dolly first lifting and winding subsystem and lower dolly second lifting and winding subsystem are symmetricly set on the both sides of described lower dolly.

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

Described lower dolly traction is wound around subsystem and comprises driving reel, the first haulage cable group on described driving reel is wrapped in along first direction, the second haulage cable group on described driving reel is wrapped in along the second direction contrary with first direction, described first haulage cable group is respectively through being positioned at least one group of traction changed course assembly pulley of lower dolly rigid support upper end and altering course assembly pulley winding on the first side of lower dolly near at least one group of traction of rigid support lower end, described second haulage cable group is respectively through lower at least one group, dolly rigid support upper end traction changed course assembly pulley and alter course assembly pulley winding on second side relative with the first side of lower dolly near the traction of at least one group, rigid support lower end, described first haulage cable group, described second haulage cable group and the winding of described second hoist rope on described lower dolly are not all interfered mutually.

Described first carrier structure comprises the pars intermedia be connected between the first crossbeam of described crossbeam structure and the second crossbeam, be 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 line of centers of the large arm that described first " L " type hook portion and second " L " type hook portion are formed with the first crossbeam and the second crossbeam is arranged symmetrically with.

Described second carrier structure comprises the 3rd " L " type hook portion and the 4th " L " type hook portion of the first crossbeam and the second crossbeam bottom outside being connected to described crossbeam structure, 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 line of centers of the large arm that the 3rd " L " type hook portion and the 4th " L " type hook portion are formed with the first crossbeam and the second crossbeam is arranged symmetrically with.

Technique scheme of the present utility model has the following advantages compared to existing technology:

1. upper and lower dolly winding system of the present utility model, 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, thus make dolly lifting and winding subsystem and lower dolly lifting and winding subsystem be supported on the inside and outside both sides of crossbeam structure respectively, when carrying out hoisting and declining, hoist in the inner side and outer side of crossbeam respectively, mutual interference can not be produced, 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 all arranged on the second hoist rope surrounds, such layout not only makes dolly lifting and winding subsystem and lower dolly lifting and winding subsystem mutually to interfere, and it is spatially compacter, what dolly lifting and winding subsystem and lower dolly lifting and winding subsystem in limited space were arranged is more reasonable.

2. upper and lower dolly winding system of the present utility model, upper dolly lifting and winding subsystem changes the first hoist rope by the first horizontally redirectional pulley and drives the level of the external part of reel to move towards from described first, make described first hoist rope towards the direction horizontal-extending of described upper dolly, not only be convenient to the first hoist rope be wound around towards the direction of upper dolly, but also the horizontal-extending length of lifting winding system can be reduced, make whole system compacter in the horizontal direction.

3. upper and lower dolly winding system of the present utility model, described first changed course assembly pulley also comprises the First Transition assembly pulley be fixedly installed between described first driving reel and described first horizontally redirectional assembly pulley, by arranging First Transition assembly pulley, the external part coming from the first hoist rope of the first driving reel is pulled to described first horizontally redirectional assembly pulley, thus extend towards horizontal direction again after making the first hoist rope stretched out from the first changed course assembly pulley can reduce height, thus make whole system compacter in the height direction.

4. the winding system of dolly up and down that provides of the utility model, described first changed course assembly pulley also comprises and is arranged on described upper dolly alter course assembly pulley vertical with first on upper suspender, thus change the trend coming from the external part of described first horizontally redirectional assembly pulley of described first hoist rope, make it extend on described upper suspender, be convenient to the lift control for upper suspender.

5. the winding system of dolly up and down that provides of the utility model, described first vertically changed course assembly pulley comprise and be arranged on dolly two the first horizontal trolleys in a distance and the second vertical sliding wheel, and the 3rd assembly pulley be arranged on described upper suspender, described second vertical sliding wheel compared with described first horizontal trolley more 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, walk around described first horizontal trolley again, then from the bottom of described upper dolly through and around described 3rd assembly pulley, thus not only change the level trend of the first hoist rope, have also been changed the trend of the vertical direction of the first hoist rope, it is made finally not to be wrapped on upper suspender by what interfere, in addition, the external part coming from described first horizontally redirectional assembly pulley of described first hoist rope, by first walking around the second vertical sliding wheel, makes carrying roller hold in the palm steel rope from bottom to top all the time, does not interfere when ensureing that carrying roller crossed by upper and lower dolly.

6. upper and lower dolly winding system of the present utility model, lower dolly lifting and winding subsystem changes the second hoist rope by the second horizontally redirectional pulley and drives the level of the external part of reel to move towards from described second, make described second hoist rope towards the direction horizontal-extending of described lower dolly, not only be convenient to the second hoist rope be wound around towards the direction of lower dolly, but also the horizontal-extending length of lifting winding system can be reduced, make whole system compacter in the horizontal direction.

7. upper and lower dolly winding system of the present utility model, described second changed course assembly pulley also comprises the second transition assembly pulley be fixedly installed between described second driving reel and described second horizontally redirectional assembly pulley, by arranging the second transition assembly pulley, the external part coming from the second hoist rope of the second driving reel is pulled to described second horizontally redirectional assembly pulley, thus extend towards horizontal direction again after making the second hoist rope stretched out from the second changed course assembly pulley can reduce height, thus make whole system compacter in the height direction.

8. the winding system of dolly up and down that provides of the utility model, described second changed course assembly pulley also comprises and is arranged on described lower dolly alter course assembly pulley vertical with second on lower suspender, thus change the trend coming from the external part of described second horizontally redirectional assembly pulley of described second hoist rope, make it extend on described lower suspender, be convenient to the lift control for lower suspender.

9. upper and lower dolly winding system of the present utility model, described 4th horizontal trolley, 5th vertical sliding wheel, 6th pulley and the 7th pulley are all arranged on the rigid support of described lower dolly, described upper dolly and the upper suspender projection being in the horizontal plane in collapsed state are all positioned at the inside of described rigid support, and do not overlap with the sidewall of described rigid support, by being arranged on rigid support, lower dolly is made to hoist in process, second hoist rope there will not be swing, the phenomenons such as spring, make lower dolly can smooth running, the upper dolly passed from the cavity of rigid support and lower dolly can not interfere the process of mutually passing through.

10. upper and lower dolly winding system of the present utility model, described lower dolly lifting and winding subsystem comprises horizontal arrangement and synchronously driven lower dolly first lifting and winding subsystem and lower dolly second lifting and winding subsystem, lower dolly first lifting and winding subsystem and lower dolly second lifting and winding subsystem are symmetricly set on the both sides of described lower dolly, and such set-up mode makes lower dolly and lower suspender hoisting and more steady in descent.

11. upper and lower dolly winding systems of the present utility model, the described second haulage cable group that lower dolly traction is wound around subsystem also at least alters course assembly pulley winding on second side relative with the first side of lower dolly through one group of traction, and described first haulage cable group, described second haulage cable group and the winding of described second hoist rope on described lower dolly are not all interfered mutually.Thus make lower dolly draw the steel rope being wound around subsystem and lower dolly lifting and winding subsystem to act on lower dolly, and mutually can not to interfere, to make mechanism run more smooth and easy and mechanism is compacter. simultaneously

Accompanying drawing explanation

In order to make the content of utility model more easily be clearly understood, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein,

Fig. 1 is the schematic diagram of lower dolly lifting and winding subsystem in embodiment 1 of the present utility model;

Fig. 2 is the schematic diagram that in embodiment 1 of the present utility model, lower dolly traction is wound around subsystem;

Fig. 3 is the schematic diagram of upper dolly lifting and winding subsystem in embodiment 1 of the present utility model;

Fig. 4 is the schematic diagram that in embodiment 1 of the present utility model, upper dolly traction is wound around subsystem;

Fig. 5 is the upper concrete canoe of dolly lifting and winding subsystem on upper dolly in embodiment 1 of the present utility model;

Fig. 6 is the lower concrete canoe of dolly lifting and winding subsystem on lower dolly in embodiment 1 of the present utility model;

Fig. 7 is crossbeam structure and lower dolly fit structure schematic diagram in embodiment 1 of the present utility model;

Fig. 8 is the first carrier structure and the second carrier structure setting position figure on crossbeam in embodiment 1 of the present utility model;

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

Figure 10 is the structural representation of potential energy charging system in the utility model embodiment 4;

Figure 11 is the structural representation of potential energy charging system in the utility model embodiment 5;

Figure 12 is the structural representation of potential energy charging system in the utility model embodiment 6;

Figure 13 is that the utility model counterbalanced weight and compensation 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 cutaway view along A-A line in Figure 13;

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

Figure 17 is the schematic diagram of upper dolly lifting and winding subsystem in embodiment 2 of the present utility model;

Figure 18 is the schematic diagram of lower dolly lifting and winding subsystem in embodiment 3 of the present utility model;

Figure 19 is the schematic diagram of the first anti-bias structure described in embodiment 1 of the present utility model;

Figure 20 is the schematic diagram of the second anti-bias structure described in embodiment 1 of the present utility model.

In figure, Reference numeral is expressed as: in figure, Reference numeral is expressed as: k10-first drives reel; K11-first hoist rope; K12-first carrying roller; K14-first horizontally redirectional assembly pulley; K15-First Transition assembly pulley; K161-first horizontal trolley; K162-second vertical sliding wheel; K163-the 14 pulley; K164-the 15 pulley; K165-the 11 pulley; K166-the tenth pulley; K20-second drives reel; K21-second hoist rope; K22-second carrying roller; K24-second horizontally redirectional assembly pulley; K25-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 13 pulley; K267-the 6th pulley; K268-the 12 pulley; The upper dolly of k40-; The upper suspender of k60-; Dolly under k70-; Suspender under k80-; K90-rope clamp; K300-drives reel; 400k-first haulage cable group; K800-second haulage cable group; K500-traction changed course assembly pulley; K900-the 3rd draws changed course pulley; K1200-the 3rd haulage cable group; K1400-the 4th haulage cable group; K1600-dead sheave; S1-first crossbeam; S2-second crossbeam; S3-first guide rail; S4-second guide rail; S5-the 3rd guide rail; S6-the 4th guide rail; S7-rigid support; S8-intermediate cavity; S12-first traveling gear; S29-second traveling gear; S31-first horizontal guide sheave; S32-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 rope; A4-compensates winding system; A5-counterbalanced weight; A6-dolly suspender; A7-hoist rope; A8-first drum rope groove; A9-second drum rope groove; A10-lower sheave; A11-top sheave; A12-steel rope; A13-alters course pulley; A14-chute; A15-guide rail; A16-fueling injection equipment; A17-oil drain pan; A18-bank portal leg; A19-first hoisting drum; A20-second hoisting drum.

Detailed description of the invention

Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.

embodiment 1

The present embodiment provides a kind of winding system of upper and lower dolly, pass through formula double trolley and bank bridge with the use of in, this winding system can be used.Particularly, this winding system is suitable for being used in following crossbeam structure, and as shown in Figure 7 and Figure 8, described crossbeam structure comprises the first crossbeam s1 and the second crossbeam s2 that be arranged 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, and described first guide rail s3 and described second guide rail s4 forms the first guide rail structure that the upper dolly k40 of supporting runs jointly, 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 forms the second guide rail structure that the lower dolly k70 of supporting runs jointly, dolly k70 is wherein descended to have rigid support, also be, first walking structure being positioned at crossbeam structure both sides of lower dolly k70 is connected by rigid support s7 with the second walking structure, make stress balance between described first traveling gear and described second traveling gear, thus prevent described first traveling gear and described second traveling gear from deviating from described 3rd guide rail s5 and described 4th guide rail s6.

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

In addition, as shown in Figure 8, crossbeam structure is also 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.Particularly, described first carrier structure comprises the pars intermedia be connected between the first crossbeam s1 of described crossbeam structure and the second crossbeam s2, be connected to the horizontal part q1 below described pars intermedia, be 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 line of centers of the large arm that described first " L " type hook portion n1 and second " L " type hook portion n2 is formed with the first crossbeam s1 and the second crossbeam s2 is arranged symmetrically with.

Described second carrier structure comprise be connected to described crossbeam structure the first crossbeam s1 and the second crossbeam s2 outside the 3rd " L " type hook portion m1 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 line of centers of the large arm that the 3rd " L " type hook portion m1 and the 4th " L " type hook portion m2 is formed with the first crossbeam s1 and the second crossbeam s2 is arranged symmetrically with.

As shown in figure 19, also comprise preventing described lower dolly from the first anti-bias structure of left and right skew occurring; Described first anti-bias structure comprises the first horizontal guide sheave s31 outside the steel wheel of the first traveling gear s12 being located at lower dolly, and be located at lower dolly the second traveling gear s29 steel wheel outside the second horizontal guide sheave s32; When described lower dolly offsets left, the outside that described first horizontal guide sheave s31 is pressed on described first guide rail s3 offsets left to stop the steel wheel of described first traveling gear s12; When described lower dolly offsets to the right, the outside that described second horizontal guide sheave s32 is pressed on described second guide rail s4 offsets to the right to stop the steel wheel of described second traveling gear s29.Namely in the present embodiment, in the normal course of operation of described lower dolly, described first horizontal guide sheave and there is certain interval between described second horizontal guide sheave and corresponding guide rail; When there is skew 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 traveling gear of described lower dolly from offseting left, and then prevent described lower dolly entirety from offseting; When there is skew to the right 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 traveling gear 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 cause the steel wheel of traveling gear to gnaw the phenomenon of rail because of described rigid-frame generation deflection, and can also prevent described lower dolly from toppling.

As shown in figure 20, also comprise preventing described upper dolly k40 from the second anti-bias structure of left and right skew occurring; Described second anti-bias structure comprises the three horizontal guide sheave s33 of steel wheel away from the 3rd guide rail s5 side that the third line being located at described upper dolly walks mechanism s35, and the fourth line being located at described upper dolly walks the four horizontal guide sheave s34 of steel wheel away from the 4th guide rail s6 side of mechanism s36; When described upper dolly offsets left, the outside that described 4th horizontal guide sheave is pressed on described 4th guide rail s6 offsets left with the steel wheel stoping described fourth line and walk mechanism s36; When described upper dolly offsets to the right, the outside that described 3rd horizontal guide sheave is pressed on described 3rd guide rail s5 offsets to the right with the steel wheel stoping described the third line and walk mechanism.Namely in the present embodiment, on described dolly normal course of operation in, there is certain interval between horizontal guide sheave and corresponding guide rail in described 3rd horizontal guide sheave and the described 4th; When there is skew 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, and then prevent described upper dolly entirety from offseting left; When there is skew to the right 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, and then prevent described upper dolly entirety from offseting to the right; Meanwhile, this kind is arranged can also avoid described upper trolley travelling process to cause the steel wheel of traveling gear to gnaw the phenomenon of rail because of described rigid-frame generation deflection, and can prevent described upper dolly from toppling to a certain extent.

Below in conjunction with accompanying drawing 1-6 and Fig. 9, dolly winding system upper and lower in the present embodiment is specifically described, the upper dolly traction that the winding system of dolly up and down of the present embodiment comprises for driving upper dolly to draw is wound around subsystem, the lower dolly traction of drawing for driving lower dolly is wound around subsystem, the upper dolly lifting and winding subsystem hoisting for driving upper dolly and land, and for the lower dolly lifting and winding subsystem driving lower dolly to hoist and to land, described upper dolly lifting and winding subsystem comprises at least one first driving reel k10, be wrapped at least one the first hoist rope k11 on the first driving reel k10, for some first carrying roller k12 of the first hoist rope k11 described in horizontal support, described first hoist rope k11 is connected on upper dolly k40 by least one group first assembly pulley that alters course, described lower dolly lifting and winding subsystem comprises at least one second driving reel k20, be wrapped at least one the second hoist rope k21 on the second driving reel k20, for some second carrying roller k22 of the second hoist rope k21 described in horizontal support, described second hoist rope k21 is connected on lower dolly k70 by least one group 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 the inner side of horizontal space that the described first horizontal component driving the horizontal component of reel k10 and the first hoist rope k11 to be all arranged on the second hoist rope k21 surrounds, as shown in Figure 9.

Above-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, thus make dolly lifting and winding subsystem and lower dolly lifting and winding subsystem be supported on the inside and outside both sides of crossbeam structure respectively, when carrying out hoisting and declining, hoist in the inner side and outer side of crossbeam respectively, mutual interference can not be produced, 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 all arranged on the second hoist rope k21 surrounds, such layout not only makes dolly lifting and winding subsystem and lower dolly lifting and winding subsystem mutually to interfere, and it is spatially compacter, what dolly lifting and winding subsystem and lower dolly lifting and winding subsystem in limited space were arranged is more reasonable, and, as can be seen from Figure, get on or off the bus after being wound around, the intermediate cavity s8(being positioned at the rigid support s7 of lower dolly k70 completely is also the internal structural space of the framework formation of rigid support s7), thus two car can not interfere when passing through.

Below in conjunction with accompanying drawing to the upper dolly traction winding subsystem for driving upper carriage walking mentioned in the present embodiment, for driving the lower dolly traction of lower carriage walking to be wound around subsystem, to hoist for driving upper dolly and the upper pulley of dolly lifting and winding subsystem that lands and the concrete canoe of steel rope illustrate respectively.

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 comprises the first horizontally redirectional assembly pulley k14 be fixedly installed, described first horizontally redirectional assembly pulley k14 drives reel k10 to arrange near described first, driving the level of the external part of reel k10 to move towards for changing the first hoist rope k11 from described first, making described first hoist rope k11 towards the direction horizontal-extending of described upper dolly k40.

Above-mentioned first horizontally redirectional assembly pulley k14 is arranged so that the direction horizontal-extending of described first hoist rope k11 towards described upper dolly k40, not only be convenient to the first hoist rope k11 be wound around towards the direction of upper dolly k40, but also the horizontal-extending length of lifting winding system can be reduced, make whole system compacter in the horizontal direction.

Described first changed course assembly pulley also comprises the First Transition assembly pulley k15 be fixedly installed between described first driving reel k10 and described first horizontally redirectional assembly pulley k14, described First Transition assembly pulley k15 by the external part coming from the first hoist rope k11 of the first driving reel k10 be greater than 90 degree and the traction angle being less than 180 degree to described first horizontally redirectional assembly pulley k14, draw with the angle of 120 degree in the present embodiment, but 100 degree, 125 degree, 130 degree, 150 degree etc. can also be adopted.

The setting of above-mentioned transition assembly pulley k15, extends towards horizontal direction after making the first hoist rope k11 stretched out from the first changed course assembly pulley can reduce height again, thus makes whole system compacter in the height direction.

As shown in Figure 5, described first changed course assembly pulley also comprises and is arranged on described upper dolly k40 alter course assembly pulley vertical with first on upper suspender k60, described first vertically alters course assembly pulley for changing the trend coming from the external part of described first horizontally redirectional assembly pulley k14 of described first hoist rope k11, it is made to extend on described upper suspender k60, particularly, described first vertically changed course assembly pulley comprise and be arranged on dolly k40 two the first horizontal trolley k161 in a distance and the second vertical sliding wheel k162, and the 3rd assembly pulley be arranged on described upper suspender k60, described second vertical sliding wheel k162 compared with described first horizontal trolley k161 more 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 °, walk around described first horizontal trolley k161 again, first hoist rope k11 is changed course 180 ° laterally, then be finally arranged on upper suspender k60 from the bottom of described upper dolly k40 through described 3rd assembly pulley.Described 3rd assembly pulley comprises the 14 pulley k163 being positioned at described upper suspender k60 top, be positioned at the 15 pulley k164 of suspender k60 bottom, and the tenth pulley k166 and the 11 pulley k165, described tenth pulley k166 compared with described 11 pulley k165 more away from described 14 pulley k163, the external part coming from the first hoist rope k11 of the first horizontal trolley k161 first walks around the 14 pulley k163 from top, again from bottom wraparound the 14 pulley k163 of the 15 pulley k164, then the tenth pulley k166 is walked around from below, first hoist rope k11 is changed course 180 ° laterally, walk around described 11 pulley k165 again, first hoist rope vertically alters course 180 °, finally be arranged on the bottom of suspender k60.

By the setting of above-mentioned each group of changed course pulley, not only change the level trend of the first hoist rope k11, have also been changed the trend of the vertical direction of the first hoist rope k11, make it be not finally wrapped on upper dolly k40 by what interfere; And this kind of set-up mode is convenient to arrange and is organized pulley more.

It should be noted that above-mentioned 3rd assembly pulley can arrange many groups in order to make winding more stable, when arrange organize more time, 14 pulley the 163 and the 15 pulley k164 arranges multiple respectively, multiple 14 pulley 163 arrangement in parallel, multiple 15 pulley k164 also arrangement in parallel.Further, in order to make dolly steadily to hoist, the left and right sides of dolly arranges above-mentioned upper dolly lifting and winding subsystem respectively.

As shown in Figure 4, the described upper dolly traction of the present embodiment is wound around subsystem and comprises driving reel k600, the 3rd haulage cable group k1200 on described driving reel k600 is wrapped in along first direction, the 4th haulage cable group k1400 on described driving reel k600 is wrapped in along the second direction contrary with first direction, described 3rd haulage cable group k1200 is through at least one group of traction changed course assembly pulley k900, be wrapped on dead sheave k1600, and then winding is on first side of upper dolly k40, the winding of described 3rd haulage cable group k1200 and described first hoist rope k11 on described on dolly is not interfered mutually, described 4th haulage cable group k1200 is also at least through one group of traction changed course assembly pulley k900, be wrapped on dead sheave k1600, and then winding is on second side of upper dolly k40, second side is oppositely arranged with the first side, described 3rd haulage cable group k1200, the winding of described 4th haulage cable group k1400 and described first hoist rope k11 on described on dolly is not all interfered mutually.

Particularly, first hoist rope k10 of upper dolly is wrapped on the left and right side of dolly k40,3rd haulage cable group k1200 and the 4th haulage cable group k1400 of upper dolly are wrapped in the upper and lower side of dolly, thus the steel rope making dolly draw winding subsystem and upper dolly lifting and winding subsystem acts on dolly simultaneously, and mutually can not interfere, mechanism be run 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 comprises the second horizontally redirectional assembly pulley k24 be fixedly installed, described second horizontally redirectional assembly pulley k24 drives reel k20 to arrange near described second, driving the level of the external part of reel k20 to move towards for changing the second hoist rope k21 from described second, making described second hoist rope k21 towards the direction horizontal-extending of described lower dolly k70.

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

Described second vertically changed course assembly pulley k26 comprise be arranged on lower dolly k70 top two the 4th horizontal trolley k261 in a distance and the 5th vertical sliding wheel k262, be arranged on the 6th pulley k267 on described lower dolly k70, be arranged on several the 7th pulley k263 be arranged in parallel on described lower suspender k80 top, be arranged on several the 8th pulley k264 be arranged in parallel on lower suspender k80 top, be arranged on the 9th pulley k265 bottom described lower suspender k80, and the 12 pulley k268 and the 13 pulley k266, described 5th vertical sliding wheel k262 compared with described 4th horizontal trolley k261 more away from described second horizontally redirectional assembly pulley k24, described 7th pulley k263 compared with described 8th pulley k264 more away from the inside of described lower suspender k80, described 12 pulley k268 compared with described 13 pulley k266 more 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, walk around described 4th horizontal trolley k261 again, second hoist rope k21 horizontally redirectional 180 °, then the 6th pulley k267 is walked around from top successively, the 7th pulley k263 is walked around from bottom, the 8th pulley k264 is walked around again from top, then the 9th pulley k265 is walked around from bottom straight down after changed course, then from the top of another the 8th pulley k264 around the bottom to another the 7th pulley k263, then the 6th pulley k267 is walked around from top straight up after changed course, then the 12 pulley k268 is walked around, laterally changed course 180 degree, finally walk around the 13 pulley k266 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 the level trend of the second hoist rope k21, have also been changed the trend of the vertical direction of the second hoist rope k21, make it final not by dolly k70 under being wrapped in of interfering.

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

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

Described 4th horizontal trolley k261, the 5th vertical sliding wheel k262, the 7th pulley k263 and the 8th pulley k264 are all arranged on the rigid support s7 of described lower dolly k70, described upper dolly k40 and the upper suspender k60 projection being in the horizontal plane in collapsed state are all positioned at the inside of described rigid support s7, and do not overlap with the sidewall of described rigid support s7.This kind is arranged so that lower dolly hoists in process, and the second hoist rope k21 there will not be the phenomenons such as swing, spring, makes lower dolly k70 can smooth running, and then can not interfere with lower dolly from the upper dolly that the cavity of rigid support s7 passes.

As shown in Figure 2, described lower dolly traction is wound around subsystem and comprises driving reel k300, the first haulage cable group k400 on described driving reel k300 is wrapped in along first direction, the second haulage cable group k800 on described driving reel k300 is wrapped in along the second direction contrary with first direction, described first haulage cable group k400 is respectively through being positioned at least one group of traction changed course assembly pulley k500 of lower dolly rigid support s7 upper end and altering course assembly pulley winding on the first side of lower dolly near the traction of at least one group, rigid support s1 lower end, described second haulage cable group k800 is respectively through lower at least one group, dolly rigid support s7 upper end traction changed course assembly pulley and alter course assembly pulley winding on second side relative with the first side of lower dolly near the traction of at least one group, rigid construction lower end, described first haulage cable group k400, described second haulage cable group k800 and the winding of described second hoist rope k21 on described lower dolly are not all interfered mutually.

Particularly, 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 the second haulage cable group k800 of lower dolly are wrapped in the upper and lower side of lower dolly, thus the steel rope making lower dolly draw winding subsystem and lower dolly lifting and winding subsystem acts on lower dolly simultaneously, and mutually can not interfere, mechanism be run more smooth and easy and mechanism is compacter.

Descend dolly lifting and winding subsystem to comprise horizontal arrangement as described in Figure and synchronously driven lower dolly first lifting and winding subsystem and lower dolly second lifting and winding subsystem, lower dolly first lifting and winding subsystem and lower dolly second lifting and winding subsystem are symmetricly set on the both sides of described lower dolly k70.Described lower dolly first lifting and winding subsystem is connected by rope clamp k90 with the horizontal component of the second hoist rope k21 be not wrapped on the second driving reel k20 of described lower dolly second lifting and winding subsystem.

Described lower dolly lifting and winding subsystem comprises horizontal arrangement and synchronously driven lower dolly first lifting and winding subsystem and lower dolly second lifting and winding subsystem, lower dolly first lifting and winding subsystem and lower dolly second lifting and winding subsystem are symmetricly set on the both sides of described lower dolly, and such set-up mode makes lower dolly and lower suspender hoisting and more steady in descent.

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, thus is convenient to the stability improving system cloud gray model.

embodiment 2

The present embodiment provides a kind of dolly winding system up and down, and it is the distortion 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.Particularly, in the present embodiment, as shown in figure 17, described 3rd assembly pulley comprises the 14 pulley k163 being positioned at described upper suspender k60 top, be positioned at the 15 pulley k164 of suspender k60 bottom, the external part coming from the first hoist rope k11 of the first horizontal trolley k161 first walks around the 14 pulley k163 from top, then lays out from the 14 pulley 163 from bottom wraparound the 14 pulley k163 of the 15 pulley k164, is finally arranged on the bottom of suspender k60.

embodiment 3

The present embodiment provides a kind of dolly winding system up and down, it is the distortion on embodiment 1 or 2 basis, the difference of itself and embodiment 1 or 2 is, the set-up mode of the in lower dolly lifting and winding subsystem second vertical changed course assembly pulley is different from embodiment 1 or 2.Particularly, in the present embodiment, as shown in figure 18, described second vertically changed course assembly pulley k26 comprise be arranged on lower dolly k70 top two the 4th horizontal trolley k261 in a distance and the 5th vertical sliding wheel k262, be arranged on the 6th pulley k267 on described lower dolly k70, be arranged on several the 7th pulley k263 be arranged in parallel on described lower suspender k80 top, be arranged on several the 8th pulley k264 be arranged in parallel on lower suspender k80 top, and the 9th pulley k265 be arranged on bottom described lower suspender k80, described 5th vertical sliding wheel k262 compared with described 4th horizontal trolley k261 more away from described second horizontally redirectional assembly pulley k24, described 7th pulley k263 compared with described 8th pulley k264 more 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, walk around described 4th horizontal trolley k261 again, second hoist rope k21 horizontally redirectional 180 °, then the 6th pulley k267 is walked around from top successively, the 7th pulley k263 is walked around from bottom, the 8th pulley k264 is walked around again from top, then the 9th pulley k265 is walked around from bottom straight down after changed course, then from the top of another the 8th pulley k264 around the bottom to another the 7th pulley k263, then walk around the 6th pulley k267 from top after changed course straight up and lay out from the top of the 6th pulley 267 and be arranged on described lower suspender k80.

embodiment 4

As shown in Figure 10, the present embodiment provides a kind of potential energy charging system, comprises counterbalanced weight a5, compensates winding system a4 and compensate steel rope a3.

Wherein, the lower end of described compensation winding system a4 connects described counterbalanced weight a5, for transmission of drive force to make described counterbalanced weight a5 rise or to decline; Described compensation steel rope a3 one end is connected to the upper end of described compensation winding system a4, and the other end is suitable for being connected with drive force source, for transmitting described propulsive effort to make described compensation winding system a4 action, thus makes described counterbalanced weight a5 increase or declines.

The potential energy charging system of the present embodiment also comprises the hoisting drum a1 be jointly wound around for hoist rope a7 and described compensation steel rope a3, described hoist rope a7 one ends wound is on described hoisting drum a1, one end connects dolly suspender a6, for transmitting the propulsive effort of described hoisting drum a1, making described dolly suspender a6 increase or declining; The winding position of described compensation steel rope a3 on described hoisting drum a1 and the winding position of described hoist rope a3 on described hoisting drum a1 are not interfered mutually, and described compensation steel 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 counterbalanced weight a5 rises energy storage under described compensation steel rope a3 and described compensation winding system a4 traction; When described hoisting drum a1 reverses, described counterbalanced weight a5 pulls described compensation steel 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 the alternative form of one, when described hoisting drum a1 reverses, described dolly suspender a6 pulls described hoist rope a7 to decline, described counterbalanced weight a5 rises energy storage under described compensation steel rope a3 and described compensation winding system a4 traction; When described hoisting drum a1 rotates forward, described counterbalanced weight a5 pulls described compensation steel 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 charging system of the present embodiment is by sharing the ingehious design of a hoisting drum with dolly suspender, eliminate the special driving reel arranged in potential energy charging system, and also without the need to arranging the pulley and steel rope that coordinate with potential energy charging system specially on dolly suspender, structure is simple, productive costs reduces greatly, and steel rope arranges do not have difficulty, easily realizes.

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

Described hoisting drum a1 is provided with the first drum rope groove a8 be wound around for described compensation steel rope a3 and the second drum rope groove a9 be wound around for described hoist rope a7, and described first drum rope groove a8 and described second drum rope groove a9 arranges along described hoisting drum a1 axially spaced-apart.When counterbalanced weight rising energy storage, compensate steel 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 and the second adjacent drum rope groove a9 can also partially overlap, namely during counterbalanced weight rising energy storage, compensate steel rope a3 to be wound around along the first drum rope groove a8, and the winding number of turn increased at least partly is wrapped in the first drum rope groove a8 intersection, and this intersection hoist rope winding number of turn is just eliminated in along with dolly suspender decline process.Arranged by this kind, the setting of hoisting drum coiling grooving group number can be saved, be also conducive to reducing hoisting drum length vertically.

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

In the present embodiment, described hoisting drum a1 is Split type structure, comprise 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; Described second hoisting drum a20 forms the second drum rope groove a9 described in two groups, described in two groups, the first drum rope groove a8 is arranged in the outside of the second drum rope groove a9 described in two groups respectively.Described first hoisting drum a19 and described second hoisting drum a20 respectively correspondence arranges a set of described compensation winding system a4 and described counterbalanced weight a5.

Be set to a set of at the potential energy charging system of the present embodiment, be 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 comprises several multiplying power assembly pulleys be arranged side by side, multiplying power assembly pulley described in each comprises the lower sheave a10 be fixed on described counterbalanced weight a5 and the top sheave a11 be fixedly installed, and is wrapped in the steel rope a12 between described lower sheave a10 and described top sheave a11; Wherein, being fixedly installed of top sheave a11 refers to that the centre of gration of top sheave a11 is fixedly installed, but not top sheave a11 itself can not rotate.The described top sheave a11 correspondence of multiplying power assembly pulley described in each connects a described compensation steel rope a3.

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

In addition, in the present embodiment, described potential energy charging system also comprises the changed course pulley a13 be arranged between described hoisting drum a1 and described compensation winding system a4, and each described compensation steel rope a3 connecting described compensation winding system a4 upper end is connected to described hoisting drum a1 after described changed course pulley a13 alters course.By the setting of changed course pulley a13, potential energy charging system setting position is more flexible, and reduce further the possibility compensating steel rope and hoist rope and interfere.

In the present embodiment, described counterbalanced weight a5 and corresponding described compensation winding system a4 is arranged in the land heel post casing of bank bridge.Counterbalanced weight runs up and down in the column casing of bank bridge, appearance looks elegant, and counterbalanced weight is arranged in the heel post casing of land with the corresponding winding system that compensates, and does not only increase extra large side wheel pressure, but also the stability of complete machine is improved, the safety of bank bridge system improves further.

As illustrated in figs. 13-15, described counterbalanced weight a5 is arranged multiple vertical chute a14, 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 leg a18 of the three-dimensional casing in side, An Qiao land, the chute a14 of described counterbalanced weight a5 is embedded in guide rail a15, can along guide rail a15 straight line up-and-down movement.

In the present embodiment, described guide rail a15 is " convex " font be made up of horizontal component and vertical portion, the horizontal component of described " convex " font is fixed on bank portal leg a18 by welding or other fixed forms, the cross-sectional plane of the vertical portion of described " convex " font is rectangle, but is not limited to rectangle.Accordingly, the chute a14 on described counterbalanced weight a5 is rectangular channel, is also not limited to rectangle equally in the utility model.

In addition, in the heel post casing of An Qiao land, every bar guide rail all arranges lubricating system, described lubricating system comprises the fueling injection equipment of rail crown, oil drain pan a17 bottom a16 and guide rail, described fueling injection equipment a16 is constantly to described guide rail a15 lubricant sprayer, and for lubricating guide rail, the described oil drain pan below guide rail collects the oil that guide rail falls, and be evacuated to fueling injection equipment a16 by oil pump, form circulation.

According to structure described above, the working process of the present embodiment potential energy charging system is described below with reference to the accompanying drawings:

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 counterbalanced weight a5 rising energy storage, the potential energy that the potential energy that described counterbalanced weight a5 rises declines primarily of dolly suspender provides, the energy consumption of hoisting drum is mainly used in the speed controlling the decline of dolly suspender, when dolly suspender drops to freight container, described counterbalanced weight rises to end position, and described hoisting drum stops rotating forward;

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

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

embodiment 5

As the replaceable form of one of embodiment 4 potential energy charging system, the present embodiment provides a kind of potential energy charging system, in the present embodiment, as shown in figure 11, described potential energy charging system is set to two covers, be arranged in left side and the right side of described dolly suspender a6 respectively, four described compensation steel ropes of the described potential energy charging system of every suit are wound on the hoisting drum of corresponding side by changed course pulley, namely the compensation steel rope be positioned on the left of described suspender is wound on the first hoisting drum by changed course pulley, the compensation steel rope be positioned on the right side of described suspender is wound on the second hoisting drum by changed course pulley.

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

embodiment 6

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

Described potential energy charging system is set to two covers, be arranged in left side and the right side of dolly suspender respectively, every suit potential energy charging system comprises four groups of multiplying power assembly pulleys, accordingly, two ends outside described hoisting drum form respectively the first drum rope groove of the four compensation wirerope-windings being suitable for corresponding side, and between two group of first drum rope groove, be suitable for two group of second drum rope groove that dolly hangs the winding of ambilateral hoist rope.

embodiment 7

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

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

Described 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, particularly, described lower dolly compensate in sub-winding system for transmission of drive force with counterbalanced weight a5 is hoisted or decline second compensate steel rope, and being jointly wound in described second for transmission of drive force with the second hoist rope k21 making lower dolly hoist or to decline and driving reel k20 in lower dolly lifting and winding subsystem, described second compensates steel rope drives the winding position on reel k20 and the second hoist rope k21 to drive the winding position on reel k20 mutually not interfere described second described second, and described second compensate steel rope second drive on reel k20 around to described second hoist rope k21 described second drive on reel k20 around to contrary.

Described 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, particularly, described upper dolly compensate in sub-winding system for transmission of drive force with counterbalanced weight is hoisted or decline first compensate steel rope, and being jointly wound in described first for transmission of drive force with the first hoist rope k11 making upper dolly hoist or to decline and driving reel k10 in upper dolly lifting and winding subsystem, described first compensates steel rope drives the winding position on reel k10 and the first hoist rope k11 to drive the winding position on reel k10 mutually not interfere described first described first, and described first compensate steel 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 compensation winding subsystem and lower suspender potential energy compensate and are wound around subsystem employing embodiment 4 or the potential energy charging system described in 5 or 6.

Also be, potential energy charging system described in embodiment 4 or 5 or 6 is applied in the present embodiment, and compensate winding subsystem and lower suspender potential energy compensation winding subsystem as the upper suspender potential energy in the present embodiment, concrete, when potential energy charging system being applied to lower dolly and compensating winding subsystem as lower suspender potential energy, described lower suspender potential energy compensate be wound around in subsystem for transmission of drive force with counterbalanced weight 5 is hoisted or decline second compensate steel rope, and being jointly wound in described second for transmission of drive force with the second hoist rope k21 making lower dolly hoist or to decline and driving reel k20 in lower dolly lifting and winding subsystem, 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 embodiment 4 or the hoist rope a7 described in 5 or 6, described second compensation steel rope is equivalent to the compensation steel rope a3 in embodiment 4 or 5 or 6, described second compensates steel rope drives the winding position on reel k20 and the second hoist rope k21 to drive the winding position on reel k20 mutually not interfere described second described second, and described second compensate steel rope second drive on reel k20 around to described second hoist rope k21 described second drive on reel k20 around to contrary.

Improve as one, when further the potential energy charging system described in embodiment 4 or 5 or 6 being applied to upper dolly and compensating winding subsystem as upper suspender potential energy, described upper suspender potential energy compensate be wound around in subsystem for transmission of drive force with counterbalanced weight 5 is hoisted or decline first compensate steel rope, and being jointly wound in described first for transmission of drive force with the first hoist rope k11 making upper dolly hoist or to decline and driving reel k10 in upper dolly lifting and winding subsystem, now the first driving reel k10 is equivalent to the hoisting drum a1 in embodiment 4 or 5 or 6, first hoist rope k11 is equivalent to embodiment 4 or the hoist rope a7 described in 5 or 6, described first compensates steel rope is equivalent to embodiment 4 or the compensation steel rope a3 described in 5 or 6, described first compensates steel rope drives the winding position on reel k10 and the first hoist rope k11 to drive the winding position on reel k10 mutually not interfere described first described first, and described first compensate steel rope first drive on reel k10 around to described first hoist rope k11 described first drive on reel k10 around to contrary.

The compensating at the lower suspender potential energy of the potential energy in decline process that hoists be wound around subsystem and to compensate at the upper suspender potential energy of the potential energy in decline process that hoists the set-up mode being wound around subsystem identical with the set-up mode of embodiment 4 or 5 or 6 for compensating dolly for compensating lower dolly of the present embodiment, repeats no more herein.

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

Certainly, the one as the present embodiment is out of shape, and upper and lower dolly can only have one of them dolly to arrange compensation winding subsystem, such as, only has upper dolly to arrange and compensates winding subsystem, or only has lower dolly to arrange compensation winding subsystem.

Obviously, above-described embodiment is only for clearly example being described, the restriction not to embodiment.Concerning those of ordinary skill in the field, also can make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among protection domain of the present utility model.

Claims

1. about one kind dolly winding system, comprise for driving the upper dolly traction of upper carriage walking to be wound around subsystem, subsystem is wound around for driving the lower dolly traction of lower carriage walking, for driving the upper dolly lifting and winding subsystem hoisting and fall of upper dolly suspender, and for driving the lower dolly lifting and winding subsystem hoisting and land of lower dolly suspender, described upper dolly lifting and winding subsystem comprises at least one first driving reel (k10), be wrapped at least one the first hoist ropes (k11) on the first driving reel (k10), for holding up the level of some first carrying rollers (k12) of described first hoist rope (k11), described first hoist rope (k11) is connected on upper dolly (k40) by least one group first assembly pulley that alters course, described lower dolly lifting and winding subsystem comprises at least one second driving reel (k20), be wrapped at least one the second hoist ropes (k21) on the second driving reel (k20), for holding up the level of some second carrying rollers (k22) of described second hoist rope (k21), described second hoist rope (k21) is connected on lower dolly (k70) by least one group second assembly pulley that alters course, it is characterized in that: some first carrying rollers (k12) are horizontally supported the inner side in crossbeam structure by the first carrier structure, some second carrying rollers (k22) are horizontally supported the outside in crossbeam structure by the second carrier structure, and the inner side of horizontal space that the described first horizontal component driving reel (k10) and the horizontal component of the first hoist rope (k11) to be all arranged on the second hoist rope (k21) surrounds.

2. upper and lower dolly winding system according to claim 1, it is characterized in that: described first changed course assembly pulley comprises the first horizontally redirectional assembly pulley (k14) be fixedly installed, described first horizontally redirectional assembly pulley (k14) drives reel (k10) to arrange near described first, driving the level of the external part of reel (k10) to move towards for changing the first hoist rope (k11) from described first, making described first hoist rope (k11) towards the direction horizontal-extending of described upper dolly (k40).

3. upper and lower dolly winding system according to claim 2, it is characterized in that: described first changed course assembly pulley also comprises the First Transition assembly pulley (k15) be fixedly installed between described first driving reel (k10) and described first horizontally redirectional assembly pulley (k14), described First Transition assembly pulley (k15) will come from the external part traction of first hoist rope (k11) of the first driving reel (k10) to described first horizontally redirectional assembly pulley (k14).

4. the winding system of dolly up and down according to Claims 2 or 3, it is characterized in that: described first changed course assembly pulley also comprises and is arranged on described upper dolly (k40) alter course assembly pulley vertical with first on upper suspender (k60), described first vertically alters course assembly pulley for changing the trend coming from the external part of described first horizontally redirectional assembly pulley (k14) of described first hoist rope (k11), makes it extend on described upper suspender (k60).

5. upper and lower dolly winding system according to claim 4, it is characterized in that: described first vertically changed course assembly pulley comprise and be arranged on dolly (k40) two the first horizontal trolleys (k161) in a distance and the second vertical sliding wheel (k162), and the 3rd assembly pulley be arranged on described upper suspender (k60), described second vertical sliding wheel (k162) compared with described first horizontal trolley (k161) more 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) is changed course 180 ° vertically, walk around described first horizontal trolley (k161) again, first hoist rope (k11) is changed course 180 ° laterally, then be finally arranged on upper suspender (k60) from the bottom of described upper dolly (k40) through described 3rd assembly pulley.

6. upper and lower dolly winding system according to claim 5, it is characterized in that: described 3rd assembly pulley comprises the 14 pulley (k163) being positioned at described upper suspender (k60) top, be positioned at the 15 pulley (k164) of suspender (k60) bottom, and the tenth pulley (k166) and the 11 pulley (k165), described tenth pulley (k166) compared with described 11 pulley (k165) more away from described 14 pulley (k163), the external part coming from first hoist rope (k11) of the first horizontal trolley (k161) first walks around the 14 pulley (k163) from top, again from the bottom wraparound the 14 pulley (k163) of the 15 pulley (k164), then the tenth pulley (k166) is walked around from below, first hoist rope (k11) is changed course 180 ° laterally, walk around described 11 pulley (k165) again, first hoist rope vertically alters course 180 °, finally be arranged on the bottom of suspender (k60).

7. upper and lower dolly winding system according to any one of claim 1-3, it is characterized in that: the second changed course assembly pulley comprises the second horizontally redirectional assembly pulley (k24) be fixedly installed, described second horizontally redirectional assembly pulley (k24) drives reel (k20) to arrange near described second, driving the level of the external part of reel (k20) to move towards for changing the second hoist rope (k21) from described second, making described second hoist rope (k21) towards the direction horizontal-extending of described lower dolly (k70).

8. upper and lower dolly winding system according to claim 7, it is characterized in that: described second changed course assembly pulley also comprises the second transition assembly pulley (k25) be fixedly installed between described second driving reel (k20) and described second horizontally redirectional assembly pulley (k24), described second transition assembly pulley (k25) will come from the external part traction of second hoist rope (k21) of the second driving reel (k20) to described second horizontally redirectional assembly pulley (k24).

9. upper and lower dolly winding system according to claim 8, it is characterized in that: described second changed course assembly pulley also comprises and is arranged on described lower dolly (k70) and the second vertical assembly pulley that alters course on lower suspender (k80), described second vertically alters course assembly pulley for changing the trend coming from the external part of described second horizontally redirectional assembly pulley (k24) of described second hoist rope (k21), makes it extend on described lower suspender (k80).

10. upper and lower dolly winding system according to claim 9, it is characterized in that: described second assembly pulley (k26) that vertically alters course comprises be arranged on lower dolly (k70) top two the 4th horizontal trolleys (k261) in a distance and the 5th vertical sliding wheel (k262), be arranged on the 6th pulley (k267) on described lower dolly (k70), be arranged on several the 7th pulleys (k263) be arranged in parallel on described lower suspender (k80) top, be arranged on several the 8th pulleys (k264) be arranged in parallel on lower suspender (k80) top, be arranged on the 9th pulley (k265) of described lower suspender (k80) bottom, and the 12 pulley (k268) and the 13 pulley (k266), described 5th vertical sliding wheel (k262) compared with described 4th horizontal trolley (k261) more away from described second horizontally redirectional assembly pulley (k24), described 7th pulley (k263) compared with described 8th pulley (k264) more away from the inside of described lower suspender (k80), described 12 pulley (k268) compared with described 13 pulley (k266) more 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, walk around described 4th horizontal trolley (k261) again, second hoist rope (k21) horizontally redirectional 180 °, then the 6th pulley (k267) is walked around successively from top, the 7th pulley (k263) is walked around from bottom, the 8th pulley (k264) is walked around again from top, then the 9th pulley (k265) is walked around from bottom straight down after changed course, then from the top of another the 8th pulley (k264) around the bottom to another the 7th pulley (k263), then the 6th pulley (k267) is walked around from top straight up after changed course, then the 12 pulley (k268) is walked around, laterally upwards alter course 180 degree, finally walk around the 13 pulley (k266) from top, vertical changed course 180 degree, finally lay out on described lower suspender (k80).

11., according to claim 10 dolly winding system up and down, is characterized in that: described 7th pulley (k263) and the 8th pulley (k264) are arranged along the bottom radial direction of described lower dolly (k70).

12. upper and lower dolly winding systems according to claim 11, it is characterized in that: described 4th horizontal trolley (k261), the 5th vertical sliding wheel (k262), the 7th pulley (k263) and the 8th pulley (k264) are all arranged on the rigid support (s7) of described lower dolly (k70), described upper dolly (k40) and upper suspender (k60) projection being in the horizontal plane in collapsed state are all positioned at the inside of described rigid support (s7), and do not overlap with the sidewall of described rigid support (s7).

13. winding systems of dolly up and down according to any one of claim 1-3, it is characterized in that: described lower dolly lifting and winding subsystem comprises horizontal arrangement and synchronously driven lower dolly first lifting and winding subsystem and lower dolly second lifting and winding subsystem, and lower dolly first lifting and winding subsystem and lower dolly 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, is characterized in that: described lower dolly first lifting and winding subsystem is connected by rope clamp (k90) with the horizontal component being positioned at bank bridge large arm end of second hoist rope (k21) be not wrapped on the second driving reel (k20) of described lower dolly second lifting and winding subsystem.

15. winding systems of dolly up and down according to any one of claim 1-3, it is characterized in that: described lower dolly traction is wound around subsystem and comprises driving reel (k300), the first haulage cable group (k400) on described driving reel (k300) is wrapped in along first direction, the second haulage cable group (k800) on described driving reel (k300) is wrapped in along the second direction contrary with first direction, described first haulage cable group (k400) is respectively through being positioned at least one group of traction changed course assembly pulley of lower dolly rigid support (s7) upper end and altering course assembly pulley winding on the first side of lower dolly near at least one group of traction of rigid support (s1) lower end, described second haulage cable group (k800) is respectively through lower at least one group, dolly rigid support (s7) upper end traction changed course assembly pulley and alter course assembly pulley winding on second side relative with the first side of lower dolly near the traction of at least one group, rigid support (s1) lower end, described first haulage cable group (k400), described second haulage cable group (k800) and the winding of described second hoist rope (k21) on described lower dolly are not all interfered mutually.

16. winding systems of dolly up and down according to any one of claim 1-3, it is characterized in that: described first carrier structure comprises the pars intermedia be connected between first crossbeam (s1) of described crossbeam structure and the second crossbeam (s2), be connected to the π type support (q1) below described pars intermedia, 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 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 line of centers of the large arm that described first " L " type hook portion (n1) and second " L " type hook portion (n2) are formed with the first crossbeam (s1) and the second crossbeam (s2) is arranged symmetrically with.

17. upper and lower dolly winding systems according to claim 16, it is characterized in that: described second carrier structure comprises the 3rd " L " type hook portion (m1) and the 4th " L " type hook portion (m2) of the first crossbeam (s1) and the second crossbeam (s2) bottom outside being connected to described crossbeam structure, 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 be rotated around the horizontal limes marginis of the 3rd " L " type hook portion (m1) and the 4th " L " type hook portion (m2), the vertical line of centers of the large arm that the 3rd " L " type hook portion (m1) and the 4th " L " type hook portion (m2) are formed with the first crossbeam (s1) and the second crossbeam (s2) is arranged symmetrically with.