CN105129612A - Double-trolley drive mechanism used for traversing type double-trolley quay crane - Google Patents

Abstract

The invention discloses a double-trolley drive mechanism used for a traversing type double-trolley quay crane. The double-trolley drive mechanism comprises double trolley lifting mechanisms, double trolley traction mechanisms and double trolley winding systems, wherein the double trolley winding systems comprise an upper trolley winding subsystem, a lower trolley winding subsystem, an upper trolley lifting and winding subsystem and a lower trolley lifting and winding subsystem; the upper trolley lifting and winding subsystem comprises at least one first drive winding drum, at least one first lifting steel rope which is wound on the first drive winding drum and a plurality of first carrier rollers which are used for horizontally supporting the first lifting steel rope; the first carrier rollers are horizontally supported on the inner side of a girder structure by a first bracket structure; a plurality of second carrier rollers are horizontally supported on the outer side of the girder structure by a second bracket structure; and horizontal parts of the first drive winding drum and the first lifting steel rope are arranged on the inner side of a horizontal space which is formed by a horizontal part of a second lifting steel rope in an enclosing way.

Description

For passing through the double trolley driver train of formula double trolley bank bridge

Technical field

The present invention relates to one and pass through formula double trolley bank bridge, being specifically related to a kind of double trolley driver train for passing through formula double trolley bank bridge, belong 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, this has higher requirement to the loading and unloading capacity at the harbour of China, and traditional handling bank bridge has been difficult to meet the demands, and therefore must improve quayside container crane.

Mainly by the list lifting dolly on traditional bank bridge, freight container is sling in the process of unloading a ship of traditional harbour container, lift by crane dolly along track by the top of freight container from one end handling of bank bridge to the truck of 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 get a promotion always, although have employed raising equipment operational factor, strengthened liter weight, the technological means such as employing two-electron atom, bank bridge handling efficiency can not get the raising of matter all the time.Along with the appearance of container capacity the 18000TEU even super-container vessel of 24000TEU, the huge advantage of its high carrying capacity and low energy expenditure anti-emission carburetor, Shi Ge great shipping company competes for and puts into effect, the operating 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 the 18000TEU even super-container vessel of 24000TEU.

In order to improve handling effect, can increase a lifting trolley on traditional bank bridge, can mutually pass through when two dollies move along girder, Ze Liangbu dolly work compound then handling efficiency can improve greatly, bank bridge deadweight simultaneously, and playing output per litre also can not excessively increase.Wherein it is crucial that how to arrange two lifting trolleys driver train separately, i.e. lifting mechanism, traveling gear and steel cable winding system, two dolly mutual when workings are not disturbed; Bank bridge large arm outreach reaches 80 meters simultaneously, and hoisting mechanism steel wire rope pendency is long, if do not have suitable bridle systems, the hoist rope of two dollies is all in overhang, very easily occurs wrapped around one another and causes accident.

Summary of the invention

Therefore, the object of this invention is to provide a kind of double trolley driver train for passing through formula double trolley bank bridge can supporting that double trolley is passed through mutually, work compound makes handling efficiency improve.

For this reason, the invention provides a kind of double trolley driver train for passing through formula double trolley bank bridge, comprising:

Double trolley lifting mechanism, comprises upper hoisting mechanism for trolley for driving upper dolly to hoist or to land and for the lower hoisting mechanism for trolley driving lower dolly to hoist or to land;

Double trolley trailer coupling, comprises for the upper dolly trailer coupling of walking in a horizontal state after driving upper Plantago minuta with for driving the lower dolly trailer coupling of walking in a horizontal state after lower Plantago minuta; And

Double trolley winding system, be connected to described double trolley lifting mechanism and double trolley trailer coupling, described double trolley winding system, being subject to double trolley suspender can being driven to hoist or land when described double trolley lifting mechanism drives, can drive the front and back walking in the horizontal direction of double trolley suspender when being subject to described double trolley trailer coupling and driving;

Described double trolley winding system comprises 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, 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 (k11) is changed course 180 ° vertically, walk around described first horizontal trolley again, first hoist rope (k11) 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 first hoist rope (k11) 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 (k11) 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 upwards alter 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.

Also comprise holder rope system, described holder rope system comprises some length directions along crossbeam structure and the first Support bracket (s16) on inside described crossbeam structure is located at interval, described first Support bracket (s16) is provided with the first idler assembly (s18) for supporting upper car rope group (s17); Also comprising some length directions along crossbeam structure and the second Support bracket (s19) on outside described crossbeam structure is located at interval, described second Support bracket (s19) being provided with the second idler assembly (s21) for supporting lower car rope group.

Described first Support bracket (s16) comprises the pars intermedia (s22) between the first crossbeam and the second crossbeam (s2) being connected to described crossbeam structure, and being connected to the π type bracket of described pars intermedia (s22) below, the both sides, below of described π type bracket support the different units of described first idler assembly (s18) respectively.

Described holder rope system also holds haulage cable.

Described upper hoisting mechanism for trolley, described lower hoisting mechanism for trolley, described upper dolly trailer coupling and described lower dolly trailer coupling are together arranged in machine room that crossbeam postbrachium is arranged, wherein, described lower hoisting mechanism for trolley is arranged in the rear side of described machine room, described upper hoisting mechanism for trolley is arranged in the front side of described lower hoisting mechanism for trolley, and described lower hoisting mechanism for trolley and described upper hoisting mechanism for trolley spatially stagger mutually, non-interference.

Described lower hoisting mechanism for trolley is arranged in the rear side of described machine room, upper hoisting mechanism for trolley is arranged between described lower hoisting mechanism for trolley and the suspension luffing mechanism being arranged in described machine room midway location, described upper dolly trailer coupling is arranged on front side of described suspension luffing mechanism, described lower dolly trailer coupling is arranged in the front side of described upper dolly trailer coupling and is positioned at the front side of described machine room, double trolley lifting mechanism, suspension luffing mechanism and double trolley trailer coupling spatially stagger mutually, non-interference.

Described upper hoisting mechanism for trolley is identical with described lower hoisting mechanism for trolley structure, described upper hoisting mechanism for trolley comprises the first drive motor, the first coupler, the first drg and the first retarder, described first drive motor drives described first coupler, spool turns is driven by first of dolly lifting and winding subsystem upper described in described first retarder deceleration rear drive, described first drg is installed on described first coupler side, by acting on the described upper hoisting mechanism for trolley of described first coupler braking; Described lower hoisting mechanism for trolley comprises the second drive motor, the second coupler, second brake and the second retarder, described second drive motor drives described second coupler, spool turns is driven by second of dolly lifting and winding subsystem lower described in described second retarder deceleration rear drive, described second brake is installed on described second coupler side, by acting on the described lower hoisting mechanism for trolley of described second coupler braking.

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

1. in the present invention, some first carrying rollers are horizontally supported the inner side in crossbeam structure by the first carrier structure, some second carrying rollers are horizontally supported the outside in crossbeam structure by the second carrier structure, 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. in the present invention, 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. in the present invention, 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. in the present invention, 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. in the present invention, 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. in the present invention, 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. in the present invention, 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. in the present invention, 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. in the present invention, 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. in the present invention, 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. in the present invention, 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

12. in the present invention, comprises some length directions along crossbeam structure and the first Support bracket on inside described crossbeam structure is located at interval, described first Support bracket is provided with the first idler assembly for supporting upper car rope group; Also comprising some length directions along crossbeam structure and the second Support bracket on outside described crossbeam structure is located at interval, described second Support bracket being provided with the second idler assembly for supporting lower car rope group; Namely in the present invention, realize supporting the picking-up of the hoist rope of described upper dolly and described lower dolly by described first Support bracket that arranges and described second Support bracket, prevent the hoist rope of described upper dolly and described lower dolly from spring or lax occurring in walking process or the process that hoists, to ensure that described upper dolly and described lower dolly can smooth runnings; Meanwhile, the interval of described first Support bracket and described second Support bracket arranges and can ensure that described upper dolly and described lower dolly can be elevated from the optional position of described crossbeam structure, and spring or lax can not occur hoist rope.

13. in the present invention, described first Support bracket comprises the pars intermedia be connected between the first crossbeam of described crossbeam structure and the second crossbeam, and the π type bracket be connected to below described pars intermedia, the both sides, below of described π type bracket support the different units of described first idler assembly respectively; Because of in dolly on described, described upper car rope group is substantially for being symmetrical set, that is described first idler assembly comprises two unit in left and right, so preferably described first Support bracket comprises described π type bracket, the hook portion of the both sides, below of described π type bracket be namely used for supporting described first idler assembly two, left and right unit.

14. in the present invention, described first Support bracket comprises the pars intermedia be connected between the first crossbeam of described crossbeam structure and the second crossbeam, be connected to the horizontal part below described pars intermedia, be connected to first " L " type hook portion and second " L " type hook portion at described horizontal part 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 idler assembly respectively; Because of in dolly on described, described upper car rope group is substantially for being symmetrical set, that is described first idler assembly comprises two unit in left and right, so preferably described first Support bracket comprises described first " L " type hook portion and described second " L " type hook portion of two unit in left and right for supporting described first idler assembly.

15. in the present invention, the horizontal crochet of described first " L " type hook portion and the horizontal crochet of described second " L " type hook portion with mutual back to mode arrange; Can guarantee that the described upper car rope group be symmetrical set can interfere scarcely like this, make the trouble-free operation of described upper dolly.

16. in the present invention, described second Support bracket comprise be arranged at described crossbeam structure the first crossbeam below the 3rd " L " type hook portion and the 4th " L " type hook portion below the second crossbeam; The horizontal limes marginis of the 3rd " L " type hook portion and the horizontal crochet of the 4th " L " type hook portion support the different units of described second idler assembly respectively; Because of in described lower dolly, described lower car rope group is substantially for being symmetrical set, that is described second idler assembly comprises two unit in left and right, so preferably described second Support bracket comprises described 3rd " L " type hook portion and described 4th " L " type hook portion of two unit in left and right for supporting described second idler assembly.

17. in the present invention, the horizontal crochet of described 3rd " L " type hook portion and the described horizontal crochet of described 4th " L " type hook portion with mutual back to mode arrange; Can guarantee that the described lower car rope group be symmetrical set can interfere scarcely like this, make the trouble-free operation of described lower dolly.

In the present invention, described carrying roller is arranged in respective horizontal crochet in the mode that the axis direction of the horizontal crochet along respective place rotates rotationally; The described carrying roller of rotatable setting can not only realize supporting the picking-up of hoist rope, and is beneficial to the transmission of hoist rope, provides the driving efficiency of hoist rope, and then improves the operating efficiency of dolly.

18. in the present invention, by arranging and spatially mutually stagger before and after upper hoisting mechanism for trolley and lower hoisting mechanism for trolley being in machine room, prevent during two lifting mechanism work and interfere, thus ensure that two dollies reliably can obtain loading and unloading operation by complete independently two dollies, certain two dolly Ye Neng work compounds.

19. in the present invention, by arranging before and after upper hoisting mechanism for trolley, lower hoisting mechanism for trolley, upper dolly trailer coupling and lower dolly trailer coupling are in machine room, spatially mutually stagger, non-interference structure during formation operation, above-mentioned set-up mode connection and reasonable arrangement, ensure that double trolley hoists independently, land, the operation such as walking, and not interfere each other.

20. in the present invention, and two cover lifting mechanism structures are identical, and power is also identical, and motor, coupler, drg etc. can exchange, and reduces the kind of spare part, is convenient to maintenance management.

Accompanying drawing explanation

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

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

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

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

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

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

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

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

Fig. 8 is the first carrier structure and the second carrier structure setting position figure on crossbeam in embodiments of the invention 1;

Fig. 9 be in embodiments of the invention 1 upper dolly lifting and winding subsystem and lower dolly lifting and winding subsystem coordinate schematic diagram;

Figure 10 is the schematic diagram of upper dolly lifting and winding subsystem in embodiments of the invention 2;

Figure 11 is the schematic diagram of lower dolly lifting and winding subsystem in embodiments of the invention 3;

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

Figure 13 is that counterbalanced weight of the present invention 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 embodiment of the present invention 7;

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

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

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

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

Figure 21 is the arrangement plan in machine room of the double trolley driver train described in embodiments of the invention 1;

Figure 22 is the structural representation of the described upper hoisting mechanism for trolley of embodiments of the invention 1;

Figure 23 is the structural representation of the described lower hoisting mechanism for trolley of embodiments of the invention 1.

In figure, Reference numeral is expressed as:

The upper hoisting mechanism for trolley of b1-; B11-first drive motor; B12-first coupler; B13-first drg; B14-first retarder; Hoisting mechanism for trolley under b2-; B21-second drive motor; B22-second coupler; B23-second brake; B24-second retarder;

The upper dolly trailer coupling of c1-; Dolly trailer coupling under c2-;

D1-machine room;

E1-suspension luffing mechanism;

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; K400-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;

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.

Detailed description of the invention

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

Embodiment 1

The present embodiment provides a kind of double trolley driver train, uses for passing through on formula double trolley bank bridge.Described double trolley driver train comprises double trolley lifting mechanism, double trolley trailer coupling and double trolley winding system.Wherein, described double trolley lifting mechanism comprises upper hoisting mechanism for trolley b1 for driving upper dolly to hoist or to land and for the lower hoisting mechanism for trolley b2 driving lower dolly to hoist or to land; Described double trolley trailer coupling comprises for the upper dolly trailer coupling c1 of walking in a horizontal state after driving upper Plantago minuta with for driving the lower dolly trailer coupling c2 of walking in a horizontal state after lower Plantago minuta; Described double trolley winding system is connected to described double trolley lifting mechanism and double trolley trailer coupling, described double trolley winding system, being subject to double trolley suspender can being driven to hoist or land when described double trolley lifting mechanism drives, can drive the front and back walking in the horizontal direction of double trolley suspender when being subject to described double trolley trailer coupling and driving.

Particularly, this double trolley 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.

Below in conjunction with accompanying drawing 1-6 and Fig. 9, double trolley winding system in the present embodiment is specifically described, the upper dolly traction that the double trolley winding system 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, be positioned at the intermediate cavity s8 (internal structural space of the also i.e. framework formation of rigid support s7) of the rigid support s7 of lower dolly k70 completely, 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.

In addition, the described upper hoisting mechanism for trolley b1 of the present embodiment, described lower hoisting mechanism for trolley b2, described upper dolly trailer coupling c1 and described lower dolly trailer coupling c2 are together arranged in machine room d1 that crossbeam postbrachium is arranged, as shown in figure 21, wherein, described lower hoisting mechanism for trolley c2 is arranged in the rear side of described machine room d1, described upper hoisting mechanism for trolley b1 is arranged in the front side of described lower hoisting mechanism for trolley b2, and described lower hoisting mechanism for trolley b2 and described upper hoisting mechanism for trolley b1 spatially staggers mutually, non-interference.By arranging and spatially mutually stagger before and after upper hoisting mechanism for trolley and lower hoisting mechanism for trolley being in machine room, prevent during two lifting mechanism work and interfere, thus ensure that two dollies reliably can obtain loading and unloading operation by complete independently two dollies, certain two dolly Ye Neng work compounds.

Further, as shown in figure 22, described lower hoisting mechanism for trolley b2 is arranged in the rear side of described machine room d1, upper hoisting mechanism for trolley b1 is arranged between described lower hoisting mechanism for trolley b2 and the suspension luffing mechanism e1 being arranged in described machine room d1 midway location, described upper dolly trailer coupling b1 is arranged on front side of described suspension luffing mechanism e1, described lower dolly trailer coupling c2 is arranged in the front side of described upper dolly trailer coupling c1 and is positioned at the front side of described machine room d1, double trolley lifting mechanism, suspension luffing mechanism e1 and double trolley trailer coupling spatially stagger mutually, non-interference.By arranging before and after upper hoisting mechanism for trolley, lower hoisting mechanism for trolley, upper dolly trailer coupling and lower dolly trailer coupling are in machine room, spatially mutually stagger, non-interference structure during formation operation, above-mentioned set-up mode connection and reasonable arrangement, ensure that double trolley hoists independently, land, the operation such as walking, and not interfere each other.

As shown in Figure 22 and Figure 23, described upper hoisting mechanism for trolley b1 is identical with described lower hoisting mechanism for trolley b2 structure, described upper hoisting mechanism for trolley b1 comprises the first drive motor b11, first coupler b12, first drg b13 and the first retarder b14, described first drive motor b11 drives described first coupler b12, reel k10 is driven to rotate by first of dolly lifting and winding subsystem upper described in described first retarder b14 deceleration rear drive, described first drg b13 is installed on described first coupler b12 side, described upper hoisting mechanism for trolley b1 is braked by acting on described first coupler b12, described lower hoisting mechanism for trolley b2 comprises the second drive motor b21, the second coupler b22, second brake b23 and the second retarder b24, described second drive motor b21 drives described second coupler b22, reel k20 is driven to rotate by second of dolly lifting and winding subsystem lower described in described second retarder b24 deceleration rear drive, described second brake b23 is installed on described second coupler b22 side, brakes described lower hoisting mechanism for trolley b2 by acting on described second coupler b22.Two cover lifting mechanism structures are identical, and power is also identical, and motor, coupler, drg etc. can exchange, and reduces the kind of spare part, is convenient to maintenance management.

Embodiment 2

The present embodiment provides a kind of double trolley winding system, 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 10, 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 double trolley winding system, 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 11, 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

A kind of double trolley steel rope holder rope system of the present embodiment, comprising some length directions along crossbeam structure and the first Support bracket s16 on inside described crossbeam structure is located at interval, described first Support bracket s16 being provided with the first idler assembly s18 for supporting upper car rope group s17; Also comprising some length directions along crossbeam structure and the second Support bracket s19 on outside described crossbeam structure is located at interval, described second Support bracket s19 being provided with the second idler assembly s21 for supporting lower car rope group s20.Namely in the present invention, by arrange described first Support bracket s16 and described second Support bracket s19 realize supporting the picking-up of the hoist rope of described upper dolly s14 and described lower dolly s15, prevent the hoist rope of described upper dolly s14 and described lower dolly s15 from spring or lax occurring in walking process or the process that hoists, to ensure that described upper dolly s14 and described lower dolly s15 can smooth running; Meanwhile, the interval of described first Support bracket s16 and described second Support bracket s19 arranges and can ensure that described upper dolly s14 and described lower dolly s15 can be elevated from the optional position of described crossbeam structure, and spring or lax can not occur hoist rope

In the present embodiment, described first Support bracket s16 comprises the pars intermedia s22 be connected between the first crossbeam s1 of described crossbeam structure and the second crossbeam s2, be connected to the horizontal part s23 below described pars intermedia s22, be connected to first " L " type hook portion s24 and second " L " type hook portion s25 at described horizontal part s23 two ends, the horizontal crochet of described first " L " type hook portion s24 and the horizontal crochet of described second " L " type hook portion s25 support the different units of described first idler assembly s18 respectively.Because of in dolly s14 on described, described upper car rope group s17 is substantially for being symmetrical set, that is described first idler assembly s18 comprises two unit in left and right, so preferably described first Support bracket s16 comprises described first " L " type hook portion s24 and described second " L " type hook portion s25 of two unit in left and right for supporting described first idler assembly s18.

In the present embodiment, preferably the horizontal crochet of described first " L " type hook portion s24 and the horizontal crochet of described second " L " type hook portion s25 with mutual back to mode arrange; And described first " L " type hook portion s24 and described second " L " type hook portion s25 is symmetrical arranged about the center line of described pars intermedia s22; Can guarantee that the described upper car rope group s17 be symmetrical set can interfere scarcely like this, ensure the trouble-free operation of described upper dolly s14.

Particularly, described second Support bracket s19 comprises the 3rd " L " the type hook portion s26 below the first crossbeam s1 being arranged at described crossbeam structure and the 4th " L " type hook portion s27 below the second crossbeam s2; The horizontal limes marginis of the 3rd " L " type hook portion s26 and the horizontal crochet of the 4th " L " type hook portion s27 support the different units of described second idler assembly s21 respectively.Because of in described lower dolly s15, described lower car rope group s20 is substantially for being symmetrical set, that is described second idler assembly s21 comprises two unit in left and right, so preferably described second Support bracket s19 comprises described 3rd " L " type hook portion s26 and described 4th " L " type hook portion s27 of two unit in left and right for supporting described second idler assembly s21.

On the basis of above-described embodiment, preferably the horizontal crochet of described 3rd " L " type hook portion s26 and the described horizontal crochet of described 4th " L " type hook portion s27 with mutual back to mode arrange, and described 3rd " L " type hook portion s26 and described 4th " L " type hook portion s27 is symmetrical arranged about the center line of the length direction of described crossbeam structure; Can guarantee that the described lower car rope group s20 be symmetrical set can interfere scarcely like this, make the trouble-free operation of described lower dolly s15.

Further, described first idler assembly s18 and described second idler assembly s21 comprises multiple carrying roller s28 be set up in parallel respectively.Wherein, the described carrying roller s28 of inner side is for supporting the haulage cable in corresponding steel rope group, and the described carrying roller s28 in outside is for supporting the hoist rope of corresponding steel rope group; In the present embodiment, preferably described first idler assembly s18 and described second idler assembly s21 comprises three carrying roller s28 be set up in parallel respectively; Certain described carrying roller s28 must be set to three, can be set to required number according to actual conditions.

On the basis of above-described embodiment, preferred described carrying roller s28 is arranged in respective horizontal crochet in the mode that the axis direction of the horizontal crochet along respective place rotates rotationally; The described carrying roller s28 of rotatable setting can not only realize supporting the picking-up of traction, hoist rope, and is beneficial to the transmission of traction, hoist rope, provides the driving efficiency of traction, hoist rope, and then improves the operating efficiency of dolly.Meanwhile, in the present embodiment, described carrying roller s28 is provided with steel wire rope groove, described carrying roller by described steel wire rope groove by corresponding described upper car rope group s17 and lower car rope group s20 hoist rope and haulage cable from bottom to top hold up.

Embodiment 5

The difference of the present embodiment and embodiment 4 is:

Described first Support bracket s16 comprises the pars intermedia s22 be connected between the first crossbeam s1 of described crossbeam structure and the second crossbeam s2, and the π type bracket be connected to below described pars intermedia s22, the both sides, below of described π type bracket support the different units of described first idler assembly s18 respectively.Because of in dolly s14 on described, described upper car rope group s17 is substantially for being symmetrical set, that is described first idler assembly s18 comprises two unit in left and right, so preferably described first Support bracket s16 comprises described π type bracket, the hook portion of the both sides, below of described π type bracket be namely used for supporting described first idler assembly s18 two, left and right unit.

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 the protection domain of the invention.

Claims (23)

1., for passing through a double trolley driver train for formula double trolley bank bridge, it is characterized in that, comprise:

Double trolley lifting mechanism, comprises the upper hoisting mechanism for trolley (b1) for driving upper dolly to hoist or to land and the lower hoisting mechanism for trolley (b2) for driving lower dolly to hoist or to land;

Double trolley trailer coupling, comprises for the upper dolly trailer coupling (c1) of walking in a horizontal state after driving upper Plantago minuta with for driving the lower dolly trailer coupling (c2) of walking in a horizontal state after lower Plantago minuta; And

Double trolley winding system, be connected to described double trolley lifting mechanism and double trolley trailer coupling, described double trolley winding system, being subject to double trolley suspender can being driven to hoist or land when described double trolley lifting mechanism drives, can drive the front and back walking in the horizontal direction of double trolley suspender when being subject to described double trolley trailer coupling and driving;

Described double trolley winding system comprises 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, 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. the double trolley driver train for passing through formula double trolley bank bridge 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. the double trolley driver train for passing through formula double trolley bank bridge 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 double trolley driver train for passing through formula double trolley bank bridge 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. the double trolley driver train for passing through formula double trolley bank bridge 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. the double trolley driver train for passing through formula double trolley bank bridge 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. the double trolley driver train for passing through formula double trolley bank bridge according to any one of claim 1-6, 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, the level of the external part of reel (k20) is driven to move towards for changing the second hoist rope (k21) from described second, make described second hoist rope (k21) towards the direction horizontal-extending of described lower dolly (k70).

8. the double trolley driver train for passing through formula double trolley bank bridge 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. the double trolley driver train for passing through formula double trolley bank bridge according to claim 7 or 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. the double trolley driver train for passing through formula double trolley bank bridge 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).

The 11. double trolley driver trains for passing through formula double trolley bank bridge according to claim 10, 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).

The 12. double trolley driver trains for passing through formula double trolley bank bridge according to claim 11, it is characterized in that: described 4th horizontal trolley (k261), 5th vertical sliding wheel (k262), 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. double trolley driver trains for passing through formula double trolley bank bridge according to any one of claim 1-11, 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).

The 14. double trolley driver trains for passing through formula double trolley bank bridge 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. double trolley driver trains for passing through formula double trolley bank bridge according to any one of claim 1-14, 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. double trolley driver trains for passing through formula double trolley bank bridge according to any one of claim 1-15, 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. double trolley driver trains for passing through formula double trolley bank bridge according to any one of claim 1-16, 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.

18. double trolley driver trains for passing through formula double trolley bank bridge according to any one of claim 1-17, it is characterized in that: also comprise holder rope system, described holder rope system comprises some length directions along crossbeam structure and the first Support bracket (s16) on inside described crossbeam structure is located at interval, described first Support bracket (s16) is provided with the first idler assembly (s18) for supporting upper car rope group (s17); Also comprising some length directions along crossbeam structure and the second Support bracket (s19) on outside described crossbeam structure is located at interval, described second Support bracket (s19) being provided with the second idler assembly (s21) for supporting lower car rope group (s20).

The 19. double trolley driver trains for passing through formula double trolley bank bridge according to claim 18, it is characterized in that: described first Support bracket (s16) comprises the pars intermedia (s22) be connected between first crossbeam (s1) of described crossbeam structure and the second crossbeam (s2), and being connected to the π type bracket of described pars intermedia (s22) below, the both sides, below of described π type bracket support the different units of described first idler assembly (s18) respectively.

The 20. double trolley driver trains for passing through formula double trolley bank bridge according to claim 19, is characterized in that: described holder rope system also holds haulage cable.

21. double trolley driver trains for passing through formula double trolley bank bridge according to any one of claim 1-20, it is characterized in that: described upper hoisting mechanism for trolley (b1), described lower hoisting mechanism for trolley (b2), described upper dolly trailer coupling (c1) and described lower dolly trailer coupling (c2) are together arranged in machine room (d1) that crossbeam postbrachium is arranged, wherein, described lower hoisting mechanism for trolley (c2) is arranged in the rear side of described machine room (d1), described upper hoisting mechanism for trolley (b1) is arranged in the front side of described lower hoisting mechanism for trolley (b2), and described lower hoisting mechanism for trolley (b2) and described upper hoisting mechanism for trolley (b1) are spatially staggered mutually, non-interference.

The 22. double trolley driver trains for passing through formula double trolley bank bridge according to claim 21, it is characterized in that: described lower hoisting mechanism for trolley (b2) is arranged in the rear side of described machine room (d1), upper hoisting mechanism for trolley (b1) is arranged between described lower hoisting mechanism for trolley (b2) and the suspension luffing mechanism (e1) being arranged in described machine room (d1) midway location, described upper dolly trailer coupling (b1) is arranged in described suspension luffing mechanism (e1) front side, described lower dolly trailer coupling (c2) is arranged in the front side of described upper dolly trailer coupling (c1) and is positioned at the front side of described machine room (d1), double trolley lifting mechanism, suspension luffing mechanism (e1) and double trolley trailer coupling spatially stagger mutually, non-interference.

The 23. double trolley driver trains for passing through formula double trolley bank bridge according to claim 22, it is characterized in that: described upper hoisting mechanism for trolley (b1) is identical with described lower hoisting mechanism for trolley (b2) structure, described upper hoisting mechanism for trolley (b1) comprises the first drive motor (b11), first coupler (b12), first drg (b13) and the first retarder (b14), described first drive motor (b11) drives described first coupler (b12), reel (k10) is driven to rotate by first of dolly lifting and winding subsystem upper described in described first retarder (b14) deceleration rear drive, described first drg (b13) is installed on described first coupler (b12) side, described upper hoisting mechanism for trolley (b1) is braked by acting on described first coupler (b12), described lower hoisting mechanism for trolley (b2) comprises the second drive motor (b21), second coupler (b22), second brake (b23) and the second retarder (b24), described second drive motor (b21) drives described second coupler (b22), reel (k20) is driven to rotate by second of dolly lifting and winding subsystem lower described in described second retarder (b24) deceleration rear drive, described second brake (b23) is installed on described second coupler (b22) side, described lower hoisting mechanism for trolley (b2) is braked by acting on described second coupler (b22).