CN210340128U

CN210340128U - Shore bridge system after upgrading and reconstruction

Info

Publication number: CN210340128U
Application number: CN201920624603.7U
Authority: CN
Inventors: 郭树旺; 肖强; 赵迎九; 郑雪峰
Original assignee: Huadian Heavy Industries Co Ltd
Current assignee: Huadian Lanke Technology Co Ltd
Priority date: 2019-05-04
Filing date: 2019-05-04
Publication date: 2020-04-17
Anticipated expiration: 2029-05-04

Abstract

The utility model relates to a port equipment technical field, especially a bank bridge system after upgrading is reformed transform. The improved traditional shore bridge girder is a double-trapezoid four-rail girder (1), an upper trolley (2) walks on an upper trolley running track (a16) on the inner side of the double-trapezoid four-rail girder (1), a lower trolley (3) is hung upside down on a lower trolley running track (a8) on the outer side of the double-trapezoid four-rail girder (1), and the upper trolley (2) lifts a container (5) through a lifting appliance (4) and can pass through the lower trolley (3). The utility model adds an operation trolley outside the girder of the original shore bridge on the basis of an operation trolley of the traditional shore bridge, the two trolleys are arranged up and down, and the space structure of the lower trolley is skillfully arranged, so that the two trolleys can independently complete the operation without mutual interference; the two transformed trolleys of the shore bridge cross and cross in the space position, overlap in time and double in loading and unloading efficiency.

Description

Shore bridge system after upgrading and reconstruction

Technical Field

The utility model relates to a port equipment technical field, especially a bank bridge system after upgrading is reformed transform.

Background

The rapid development of the world economy drives the rapid development of shipping logistics, and the throughput of global containers is continuously increased. In order to reduce transportation cost, container ships are continuously enlarged, and 3E-class container ships with a container loading capacity of 22000TEU are put into use, so that higher loading and unloading efficiency of ports is required. The container shore bridge is used as key loading and unloading equipment of the container wharf, directly works on a ship and plays an important role in the overall loading and unloading efficiency of the wharf. At present, the most applied traditional single-trolley shore bridge at home and abroad adopts a mode of loading and unloading containers by using a single trolley, the single-trolley loading and unloading efficiency reaches the limit, and the requirement of a wharf on the loading and unloading efficiency cannot be met. When facing large container ship, adopt the mode that increases bank bridge operation quantity to improve handling efficiency when ship more, receive bank bridge operation interval, simply increase bank bridge operation quantity and can not satisfy the demand of shipping customer to efficiency when ship. If the traditional single-trolley shore bridge is directly abandoned and a more advanced shore bridge system is newly built and replaced, huge investment cost and great waste of the existing resources are faced. Therefore, in order to reduce the investment cost and improve the loading and unloading efficiency of the traditional shore bridge, the traditional thinking needs to be broken through, and the traditional shore bridge is upgraded and reformed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an upgraded bank bridge system, which is characterized in that on the basis of one operation trolley of the traditional bank bridge, one operation trolley is additionally arranged outside a girder of the original bank bridge, the two trolleys are arranged up and down, and the space structure of the lower trolley is skillfully arranged, so that the two trolleys can independently complete the operation and do not interfere with each other; meanwhile, the cross section form of the girder of the existing shore bridge is improved so as to meet the laying of the running track of the lower trolley; the utility model discloses need not newly-built change bank bridge to the investment is reformed transform in less upgrading, just can promote the handling efficiency of original bank bridge by a wide margin, and two dollies of bank bridge after the transformation cross on spatial position and pass through, overlap in time, and handling efficiency doubles.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a bank bridge system after upgrading transformation, reforms transform traditional bank bridge girder and be two trapezoidal four-rail girder, has walked on the dolly orbit of going up of two trapezoidal four-rail girder inboards and has gone up the dolly, has hung upside down the dolly on the dolly orbit of going down in the two trapezoidal four-rail girder outsides, and goes up the dolly and lift by crane the container through the hoist and can pass through dolly down. The double-trapezoid four-rail girder comprises original box girders, a plate A, a plate B and rail bearing girders, wherein the tops of the two original box girders are connected through a connecting frame of a shore bridge, the two original box girders are symmetrically arranged by taking the center of the connecting frame as an axis, the cross sections of the bottoms of the two original box girders are right-angled trapezoids, each right-angled trapezium comprises a right-angled waist, an oblique waist, an upper bottom and a lower bottom, the oblique waists of the bottoms of the two original box girders are positioned at the inner side of the shore bridge, the right-angled waists are positioned at the outer side of the shore bridge, and upper trolley running rails which are symmetrically arranged are arranged on the two oblique waists; the plate B is laid along the length direction of the original box girder, the plate B is positioned on the outer side of the lower bottom, one side of the plate B is connected with one side of the lower bottom, and the plate B and the lower bottom are positioned at the same horizontal height; the plate A is laid along the length direction of the original box-shaped beam, one side of the plate A is connected with one side of the plate B far away from the lower bottom, and the other side of the plate A is connected with the outer side of the original box-shaped beam; and the end part of the plate B far away from the lower bottom is provided with a rail bearing beam, and a lower trolley running track is laid on the rail bearing beam. The utility model discloses reform transform traditional bank bridge girder, respectively increase two boards in two original box girder outsides, form two trapezoidal section roof beams, increase the support rail roof beam in two trapezoidal section roof beams outsides to lay down dolly orbit, be used for bearing the lower dolly of newly-increased overhead hanging. The original track gauge of the upper trolley running track of the original box-shaped beam is unchanged, and the upper trolley runs on two upper trolley running tracks which are symmetrically arranged. A lower trolley is added on the track on the outer side of the original box girder. The two trolleys are arranged up and down, the space structure of the lower trolley is ingeniously arranged, the trolley on the bank bridge after transformation can cross and pass through the lower trolley in space, mutual interference is avoided, operation of one trolley on the bank bridge is changed into operation of the two trolleys, and operation efficiency of the bank bridge is greatly improved. The utility model discloses need not newly-built change bank bridge to the investment is reformed transform in less upgrading, just can promote the handling efficiency of original bank bridge by a wide margin, and two dollies of bank bridge after the transformation cross on spatial position and pass through, overlap in time, and handling efficiency doubles.

In the upgraded and transformed shore bridge system, the upper trolley comprises an upper trolley body, the lifting appliance comprises an upper lifting appliance rack, and the upper trolley body is connected with the upper lifting appliance rack through a steel cable; the upper trolley body and the upper hanger frame are also provided with a guide device, the guide device comprises a guide frame and a guide rod, the guide frame is arranged at the top of the upper hanger frame, the guide rod is arranged at the bottom of the upper trolley body, and the guide frame is slidably arranged in the guide rod; the guide frame comprises a guide groove and a supporting structure, and the guide groove is arranged at the top of the supporting structure. When the container lifted by the upper trolley is lifted to the highest position and passes through the lower trolley, the guide rod is smoothly inserted into the guide groove to limit the swinging of the lifting appliance and the container, so that the container lifted by the upper trolley can pass through the lower trolley without interference. The two transformed trolleys of the shore bridge are safely and stably crossed and penetrated in space positions, are overlapped in time, and the loading and unloading efficiency is doubled.

The upgraded shore bridge system further comprises a lower trolley travelling mechanism, a lower trolley lifting mechanism, an upper trolley travelling mechanism, an upper trolley lifting winding system, a lower trolley lifting winding system, an upper trolley travelling winding system and a lower trolley travelling winding system, wherein the upper trolley travelling mechanism drives the upper trolley to travel along the upper trolley running track through the upper trolley travelling winding system, and the upper trolley lifting mechanism drives the upper trolley to ascend and descend through the upper trolley lifting winding system; the lower trolley travelling mechanism drives the lower trolley to travel along the lower trolley running track through the lower trolley travelling winding system; the lower trolley lifting mechanism drives a lifting appliance of the lower trolley to lift and descend through the lower trolley lifting winding system; the lower trolley travelling mechanism, the lower trolley lifting mechanism, the upper trolley travelling mechanism and the upper trolley lifting mechanism are all arranged in the same machine room of the shore bridge, and the upper trolley lifting winding system, the lower trolley lifting winding system, the upper trolley travelling winding system and the lower trolley travelling winding system are effectively staggered on the shore bridge and do not interfere with each other. The utility model discloses a to last dolly play to rise winding system, lower dolly play to rise winding system, go up dolly walking winding system, the rational arrangement of dolly walking winding system mounted position down for go up the dolly play to rise winding system, lower dolly play to rise winding system, go up dolly walking winding system, dolly walking winding system can not produce the interference phenomenon down when the operation on the bank bridge, guarantee to go up the dolly and to wear steady operation with lower dolly.

In the upgraded and transformed shore bridge system, the upper trolley lifting mechanism is arranged in front of the upper trolley travelling mechanism; the lower trolley travelling mechanism comprises a lower trolley travelling mechanism A and a lower trolley travelling mechanism B, and the lower trolley travelling mechanism A and the lower trolley travelling mechanism B are respectively arranged on the left side and the right side of the upper trolley travelling mechanism; the lower trolley hoisting mechanism comprises a lower trolley hoisting mechanism A, a lower trolley hoisting mechanism B and a floating coupling, the lower trolley hoisting mechanism A is connected with the lower trolley hoisting mechanism B through the floating coupling, the floating coupling is horizontally arranged in a gap between the upper trolley travelling mechanism and the upper trolley hoisting mechanism, and the lower trolley hoisting mechanism A and the lower trolley hoisting mechanism B are respectively arranged on the left side and the right side of the upper trolley hoisting mechanism. Because the space of computer lab is limited, the utility model discloses can settle dolly running gear, go up under dolly hoisting mechanism's the prerequisite, can also settle newly-increased lower dolly running gear and lower dolly hoisting mechanism, and do not need newly-built computer lab, reduce and reform transform the cost, the surplus space of the original computer lab of make full use of. The utility model designs a novel lower trolley hoisting mechanism, which comprises a lower trolley hoisting mechanism A, a lower trolley hoisting mechanism B and a floating coupling, wherein the floating coupling is arranged to ensure the lower trolley hoisting mechanism A and the lower trolley hoisting mechanism B to run synchronously, so as to prevent the lifting appliance of the driven lower trolley from tilting caused by asynchronous running of the two mechanisms, which is a great innovation of the lower trolley hoisting mechanism; in addition, because the space of the machine room is limited, in order to arrange the newly-added lower trolley hoisting mechanism A and the newly-added lower trolley hoisting mechanism B, the machine room does not need to be newly built, the transformation cost is reduced, the floating coupling plays a good coherent role, the floating coupling is arranged in a small size, the left side and the right side of the floating coupling are respectively connected with the lower trolley hoisting mechanism A and the lower trolley hoisting mechanism B, the residual space of the original machine room is fully utilized, the space utilization rate is improved, and the stable operation of the newly-added lower trolley can be ensured. Specifically, the lower trolley travelling mechanism A comprises a travelling winding drum A, a motor and a speed reducer, wherein one side shaft of the speed reducer is connected with the motor, and the other side shaft of the speed reducer is connected with the travelling winding drum A. The lower trolley travelling mechanism B comprises a travelling winding drum B, a motor and a speed reducer, wherein one side of the speed reducer is connected with the motor in a shaft mode, and the other side of the speed reducer is connected with the travelling winding drum B in a shaft mode.

In the upgraded and transformed shore bridge system, the lower trolley comprises a concave frame, a movable trolley and wheels, wherein the wheels are arranged on two sides of the top of the concave frame, the wheels are arranged on a lower trolley running track on the outer side of the double-trapezoid four-rail girder in a rolling manner, the movable trolley is arranged at the bottom of the concave frame, and a lifting appliance is connected below the movable trolley. The lower trolley is provided with a concave frame, and the concave frame forms a concave semi-closed space in a space which is enough for the upper trolley to hang the container without interference; compared with a U-shaped frame of a novel quayside crane trolley, the structure can realize the passing-through of the upper trolley in the concave lower trolley space without changing the position of the double-trapezoid four-rail crossbeam, and the investment is saved. The movable trolley is used for bearing a lifting appliance and can move on the concave frame.

According to the bank bridge system after upgrading and transformation, the concave frame bottom is paved with the movable trolley track, the movable trolley comprises a trolley body and walking wheels, the walking wheels are installed on two sides of the bottom of the trolley body, and the walking wheels are arranged on the movable trolley track in a rolling mode.

The bank bridge system after aforementioned upgrading transformation, the spill frame includes horizontal frame, first vertical frame group, the vertical frame group of second, and wherein the end connection of the one end of horizontal frame and first vertical frame group, the other end of horizontal frame and the end connection of the vertical frame group of second, the structure of first vertical frame group, the vertical frame group of second uses horizontal frame middle part to be the axle and is symmetrical arrangement. The first vertical frame group comprises a first vertical rod and a second vertical rod; the second vertical frame group also comprises a first vertical rod and a second vertical rod; the top of first vertical pole is located to the wheel, the end connection of the other end and the second vertical pole of first vertical pole, and the one end and the horizontal frame connection of first vertical pole are kept away from to the second vertical pole. The arrangement mode does not need to change the distance between the girders of the traditional shore bridge, can realize the cross crossing operation between the upper trolley and the lower trolley on the premise of lower upgrading and reconstruction cost, and can also avoid the occurrence of interference condition.

In the upgraded and transformed shore bridge system, the top of the concave frame is also provided with a horizontal guide wheel set, and the horizontal guide wheel set is arranged on the outer side of the wheel; the horizontal guide wheel set comprises a horizontal wheel and a rotating shaft, and the horizontal wheel is coaxially sleeved on the rotating shaft and can rotate around the rotating shaft; the horizontal wheel is in an inverted horn shape. The horizontal guide wheel set can prevent the wheels of the lower trolley from deviating and reduce the abrasion of the running track of the lower trolley. Specifically, the horizontal guide wheel set can be abutted against the outer side of the wheel when the lower trolley is laterally deviated, and the lateral deviation of the wheel is corrected by utilizing a reverse force. In addition, when the lower trolley deviates from the lower trolley running track, the horizontal wheels rotate around the rotating shafts on the side surfaces of the lower trolley running track, so that friction can be reduced, and abrasion of the lower trolley running track is reduced.

According to the shore bridge system after upgrading and transformation, the two sides of the moving trolley are also provided with the trolley moving device, the trolley moving device comprises a motor, a speed reducer, an electric push rod and a support, the motor is connected with the speed reducer shaft, the speed reducer is connected with the electric push rod shaft, one end, far away from the speed reducer, of the electric push rod is connected with the trolley body of the moving trolley, and the bottom of the electric push rod is fixed on the transverse frame through the support. The trolley moving device has multiple functions, namely, the function one is to control the accurate movement of the moving trolley; and the second function is that the movable trolley can be fixed. Specifically, the motor provides power to realize the stretching of the electric push rod, the electric push rod is connected with the trolley body to further control the moving position of the moving trolley, and the speed reducer can also adjust the speed. The trolley moving device controls the moving trolley to realize the displacement of the lifting appliance, so that the box-making operation is completed, the fine adjustment process is quick and convenient, and the loading and unloading efficiency is improved. The trolley moving device limits the displacement of the moving trolley on the moving trolley track, and fixes the moving trolley when the electric push rod is locked, so that the moving trolley is prevented from shaking due to external force action such as cross wind and the like, and potential safety hazards are generated.

In the upgraded and transformed shore bridge system, the lower trolley lifting mechanism a comprises a lifting winding drum a, a motor and a speed reducer, wherein one side of the motor is coaxially connected with the speed reducer, and the other side of the motor is axially connected with the lifting winding drum a; the lower trolley lifting mechanism B comprises a lifting winding drum B, a motor and a speed reducer, wherein one side of the motor is coaxially connected with the speed reducer, and the other side of the motor is axially connected with the lifting winding drum B.

In the upgraded and transformed shore bridge system, the lower trolley lifting and winding system comprises a lower trolley lifting and winding group a and a lower trolley lifting and winding group B, the lower trolley lifting mechanism a drives the lifting appliance of the lower trolley to lift through the lower trolley lifting and winding group a, and meanwhile, the lower trolley lifting mechanism B drives the lifting appliance of the lower trolley to lift through the lower trolley lifting and winding group B.

In the upgraded and transformed shore bridge system, the concave frame comprises a transverse frame, a first vertical frame group and a second vertical frame group, wherein one end of the transverse frame is connected with the end part of the first vertical frame group, the other end of the transverse frame is connected with the end part of the second vertical frame group, and the first vertical frame group and the second vertical frame group are symmetrically arranged by taking the middle part of the transverse frame as an axis; the top of the first vertical frame group is further connected with a first horizontal support A, and the top of the second vertical frame group is further connected with a first horizontal support B. The lower trolley hoisting winding group A comprises a first shore bridge direction-changing pulley and a second shore bridge direction-changing pulley which are installed on a shore bridge, and further comprises a thirteenth pulley, a fourteenth pulley, a fifteenth pulley, a twenty-second pulley, a twenty-third pulley and a twenty-fourth pulley which are installed on a first horizontal support A, and further comprises a sixteenth pulley and a twenty-first pulley which are installed on a first vertical frame group, and further comprises a seventeenth pulley, an eighteenth pulley, a nineteenth pulley and a twentieth pulley which are installed on a transverse frame, and further comprises a lifting appliance pulley A which is installed on a lifting appliance of the lower trolley, and further comprises a shore bridge pulley A which is installed on a double-trapezoid four-rail girder of the shore bridge. The lower trolley lifting winding group B comprises a lifting steel wire rope A, a third shore bridge direction-changing pulley and a fourth shore bridge direction-changing pulley which are installed on a shore bridge, a first pulley, a second pulley, a third pulley, a tenth pulley, an eleventh pulley and a twelfth pulley which are installed on a first horizontal support B, a fourth pulley and a ninth pulley which are installed on a second vertical trolley frame group, a fifth pulley, a sixth pulley, a seventh pulley and an eighth pulley which are installed on a transverse trolley frame, a lifting appliance pulley B installed on a lifting appliance of the lower trolley, and a shore bridge pulley B installed on a double-trapezoid four-rail girder of the shore bridge. Specifically, one end of a hoisting steel wire rope A is wound on a hoisting drum B, the other end of the hoisting steel wire rope A firstly winds a third shore bridge redirection pulley from the upper part, then winds a fourth shore bridge redirection pulley from the lower part, then winds a first pulley from the lower part, then turns 180 degrees to wind a second pulley, then turns 180 degrees to wind a third pulley, then winds a fourth pulley downwards, continues to wind a fifth pulley downwards, then horizontally turns to wind a sixth pulley, vertically turns to wind a hanger pulley B, then vertically turns upwards to wind a seventh pulley by 180 degrees, then winds an eighth pulley downwards, then winds a ninth pulley vertically upwards, then winds a tenth pulley upwards, then winds an eleventh pulley, then horizontally turns 180 degrees to wind a twelfth pulley, winds a shore bridge redirection pulley B after horizontally turns 180 degrees, then turns to wind a shore bridge pulley A, then turns to wind a thirteenth pulley, the pulley is turned to 180 degrees and then bypasses a fourteenth pulley, is turned to 180 degrees and then bypasses a fifteenth pulley, then bypasses a sixteenth pulley, continues to bypass a seventeenth pulley, is horizontally turned and then bypasses an eighteenth pulley, is vertically turned and then bypasses a hanger pulley A, is turned to 180 degrees and then bypasses a nineteenth pulley, then bypasses a twentieth pulley, then bypasses a twenty-first pulley, then bypasses a twenty-second pulley, then bypasses a twenty-third pulley, is turned to 180 degrees and then bypasses a twenty-fourteen pulley, is turned to 180 degrees and then bypasses a second shore bridge direction-changing pulley, then bypasses a first shore bridge direction-changing pulley, and finally is wound on a lifting drum A.

In the upgraded and transformed shore bridge system, the outer side surface of the double-trapezoid four-rail girder is further provided with a plurality of rope dragging frames along the length direction of the girder, and the hoisting steel wire rope A is arranged on the rope dragging frames.

In the upgraded and transformed shore bridge system, the upper trolley body is connected with two sides of the upper frame of the lifting appliance through the steel cable, and the guide device is arranged on the inner side of the steel cable. The arrangement mode that the flexible connecting piece is arranged on the outer side and the rigid connecting piece is arranged on the inner side enables the running process to be smoother and not interfered too much when the upper trolley and the lower trolley are not crossed.

The operation process of the upgraded and transformed shore bridge system comprises the following steps: the improved traditional shore bridge girder is a double-trapezoid four-rail girder, an upper trolley is arranged on an upper trolley running rail on the inner side of the double-trapezoid four-rail girder in a walking mode, a lower trolley is inversely hung on a lower trolley running rail on the outer side of the double-trapezoid four-rail girder, and the upper trolley can pass through the lower trolley after being hoisted by a lifting appliance. The upper trolley travelling mechanism drives the upper trolley to travel along the upper trolley running track through the upper trolley travelling winding system, and the upper trolley hoisting mechanism drives the upper trolley to take off and land through the upper trolley hoisting winding system; the lower trolley travelling mechanism drives the lower trolley to travel along the lower trolley running track through the lower trolley travelling winding system; the lower trolley lifting mechanism drives a lifting appliance of the lower trolley to lift and descend through the lower trolley lifting winding system; the lower trolley travelling mechanism, the lower trolley lifting mechanism, the upper trolley travelling mechanism and the upper trolley lifting mechanism are all arranged in the same machine room of the shore bridge, and the upper trolley lifting winding system, the lower trolley lifting winding system, the upper trolley travelling winding system and the lower trolley travelling winding system are effectively staggered on the shore bridge and do not interfere with each other.

Compared with the prior art, the utility model discloses an useful part lies in:

1. the utility model discloses reform transform traditional bank bridge girder, respectively increase two boards in two original box girder outsides, form two trapezoidal section roof beams, increase the support rail roof beam in two trapezoidal section roof beams outsides to lay down dolly orbit, be used for bearing the lower dolly of newly-increased overhead hanging. The original track gauge of the upper trolley running track of the original box-shaped beam is unchanged, and the upper trolley runs on two upper trolley running tracks which are symmetrically arranged. A lower trolley is added on the track on the outer side of the original box girder. The two trolleys are arranged up and down, the space structure of the lower trolley is ingeniously arranged, the trolley on the bank bridge after transformation can cross and pass through the lower trolley in space, mutual interference is avoided, operation of one trolley on the bank bridge is changed into operation of the two trolleys, and operation efficiency of the bank bridge is greatly improved. The utility model discloses need not newly-built change bank bridge to the investment is reformed transform in less upgrading, just can promote the handling efficiency of original bank bridge by a wide margin, and two dollies of bank bridge after the transformation cross on spatial position and pass through, overlap in time, and handling efficiency doubles.

2. The guide device has the function that when the upper trolley lifts the container to the highest position and passes through the lower trolley, the guide rod is smoothly inserted into the guide groove to limit the swinging of the lifting appliance and the container, so that the container lifted by the upper trolley can pass through the lower trolley without interference. The two transformed trolleys of the shore bridge are safely and stably crossed and penetrated in space positions, are overlapped in time, and the loading and unloading efficiency is doubled. The arrangement mode enables the guide rod to enter the guide groove more smoothly when the distance between the upper trolley and the upper frame of the lifting appliance is reduced through the contraction of the steel cable, or enter the supporting structure through the guide groove, so that the two trolleys can cross and pass through stably; the arrangement mode that the flexible connecting piece is arranged on the outer side and the rigid connecting piece is arranged on the inner side enables the running process to be smoother and not interfered too much when the upper trolley and the lower trolley are not crossed.

3. The utility model discloses a to last dolly play to rise winding system, lower dolly play to rise winding system, go up dolly walking winding system, the rational arrangement of dolly walking winding system mounted position down for go up the dolly play to rise winding system, lower dolly play to rise winding system, go up dolly walking winding system, dolly walking winding system can not produce the interference phenomenon down when the operation on the bank bridge, guarantee to go up the dolly and to wear steady operation with lower dolly.

4. Because the space of computer lab is limited, the utility model discloses can settle dolly running gear, go up under dolly hoisting mechanism's the prerequisite, can also settle newly-increased lower dolly running gear and lower dolly hoisting mechanism, and do not need newly-built computer lab, reduce and reform transform the cost, the surplus space of the original computer lab of make full use of. The utility model designs a novel lower trolley hoisting mechanism, which comprises a lower trolley hoisting mechanism A, a lower trolley hoisting mechanism B and a floating coupling, wherein the floating coupling is arranged to ensure the lower trolley hoisting mechanism A and the lower trolley hoisting mechanism B to run synchronously, so as to prevent the lifting appliance of the driven lower trolley from tilting caused by asynchronous running of the two mechanisms, which is a great innovation of the lower trolley hoisting mechanism; in addition, because the space of the machine room is limited, in order to arrange the newly-added lower trolley hoisting mechanism A and the newly-added lower trolley hoisting mechanism B, the machine room does not need to be newly built, the transformation cost is reduced, the floating coupling plays a good coherent role, the floating coupling is arranged in a small size, the left side and the right side of the floating coupling are respectively connected with the lower trolley hoisting mechanism A and the lower trolley hoisting mechanism B, the residual space of the original machine room is fully utilized, the space utilization rate is improved, and the stable operation of the newly-added lower trolley can be ensured. Specifically, the lower trolley travelling mechanism A comprises a travelling winding drum A, a motor and a speed reducer, wherein one side shaft of the speed reducer is connected with the motor, and the other side shaft of the speed reducer is connected with the travelling winding drum A. The lower trolley travelling mechanism B comprises a travelling winding drum B, a motor and a speed reducer, wherein one side of the speed reducer is connected with the motor in a shaft mode, and the other side of the speed reducer is connected with the travelling winding drum B in a shaft mode.

5. The lower trolley is provided with a concave frame, and the concave frame forms a concave semi-closed space in a space which is enough for the upper trolley to hang the container without interference; compared with a U-shaped frame of a novel quayside crane trolley, the structure can realize the passing-through of the upper trolley in the concave lower trolley space without changing the position of the double-trapezoid four-rail crossbeam, and the investment is saved. The movable trolley is used for bearing a lifting appliance and can move on the concave frame.

6. The arrangement mode does not need to change the distance between the girders of the traditional shore bridge, can realize the cross crossing operation between the upper trolley and the lower trolley on the premise of lower upgrading and reconstruction cost, and can also avoid the occurrence of interference condition.

7. The horizontal guide wheel set can prevent the wheels of the lower trolley from deviating and reduce the abrasion of the running track of the lower trolley. Specifically, the horizontal guide wheel set can be abutted against the outer side of the wheel when the lower trolley is laterally deviated, and the lateral deviation of the wheel is corrected by utilizing a reverse force. In addition, when the lower trolley deviates from the lower trolley running track, the horizontal wheels rotate around the rotating shafts on the side surfaces of the lower trolley running track, so that friction can be reduced, and abrasion of the lower trolley running track is reduced.

8. The trolley moving device has multiple functions, namely, the function one is to control the accurate movement of the moving trolley; and the second function is that the movable trolley can be fixed. Specifically, the motor provides power to realize the stretching of the electric push rod, the electric push rod is connected with the trolley body to further control the moving position of the moving trolley, and the speed reducer can also adjust the speed. The trolley moving device controls the moving trolley to realize the displacement of the lifting appliance, so that the box-making operation is completed, the fine adjustment process is quick and convenient, and the loading and unloading efficiency is improved. The trolley moving device limits the displacement of the moving trolley on the moving trolley track, and fixes the moving trolley when the electric push rod is locked, so that the moving trolley is prevented from shaking due to external force action such as cross wind and the like, and potential safety hazards are generated.

Drawings

FIG. 1 is a schematic structural view of a middle double-trapezoid four-rail girder of the present invention;

FIG. 2 is a schematic structural view of the upper and lower trolleys of the utility model;

FIG. 3 is a schematic structural view of the guide rod of the utility model matching with the upper trolley body;

fig. 4 is a schematic structural view of the matching of the guide frame and the upper hanger frame of the hanger of the present invention;

fig. 5 is a schematic layout diagram of the machine room in the present invention;

FIG. 6 is a front view of the upper trolley and the lower trolley;

FIG. 7 is a side view of the upper trolley and the lower trolley of the utility model;

FIG. 8 is a schematic structural view of the mobile cart of the present invention;

fig. 9 is a schematic structural view of a middle horizontal guide wheel set of the present invention;

FIG. 10 is a schematic structural view of the cart moving device of the present invention;

fig. 11 is a schematic structural view of a hoisting and winding system of the middle and lower trolleys of the utility model;

fig. 12 is a schematic structural diagram of a hoisting mechanism of a middle and lower trolley.

The meaning of the reference numerals: 1-double trapezoid four-rail girder, 2-upper trolley, 3-lower trolley, 4-spreader, 5-container, 16-machine room; a 4-original box girder, a 5-plate A, a 6-plate B, a 7-rail bearing beam, a 8-lower trolley running rail, a 11-connecting frame, a 12-right angle waist, a 13-oblique waist, a 14-upper bottom, a 15-lower bottom and a 16-upper trolley running rail; b 4-a guide device, b 5-a hanger upper frame, b 7-a guide frame, b 8-a guide rod, b 9-an upper trolley body, b 10-a guide groove and b 11-a support structure; c 7-lower trolley travelling mechanism, c 8-lower trolley lifting mechanism, c 9-upper trolley travelling mechanism, c 10-upper trolley lifting mechanism, upper trolley lifting winding system, f 6-lower trolley lifting winding system, upper trolley lifting winding system, lower trolley lifting winding system, c 25-lower trolley lifting mechanism A, c 26-lower trolley lifting mechanism B, c 27-floating coupling, c 28-lower trolley travelling mechanism A and c 29-lower trolley travelling mechanism B; d 4-a transverse frame, d 5-a concave frame, d 6-a movable trolley, d 7-a horizontal guide wheel set, d 8-a first vertical frame set, d 9-a second vertical frame set, d 10-a vehicle body, d 13-wheels, d 17-traveling wheels, d 18-a horizontal wheel, d 19-a first vertical rod, d 20-a second vertical rod and d 21-a rotating shaft; e 7-trolley moving device, e 18-first motor, e 21-speed reducer, e 22-electric push rod and e 23-support; f 6-lower trolley hoisting and winding system, f 17-hoisting steel wire rope A, f 18-hoisting drum B, f 19-spreader pulley A, f 20-spreader pulley B, f 21-shore bridge pulley A, f 22-shore bridge pulley B, f 23-hoisting drum A, f 24-rope dragging frame, f 26-lower trolley hoisting and winding A, f 27-lower trolley hoisting and winding B, f 28-second motor, f 29-speed reducer, f 30-first shore bridge pulley redirection, f 31-second shore bridge redirection pulley, f 32-third shore bridge redirection pulley, f 33-fourth shore bridge redirection pulley, f 34-first horizontal support A, f 35-first horizontal support B, 101-first pulley, 102-second pulley, 103-third pulley, 104-fourth pulley, 105-fifth pulley, 106-sixth pulley, 107-seventh pulley, 108-eighth pulley, 109-ninth pulley, 110-tenth pulley, 111-eleventh pulley, 112-twelfth pulley, 113-thirteenth pulley, 114-fourteenth pulley, 115-fifteenth pulley, 116-sixteenth pulley, 117-seventeenth pulley, 118-eighteenth pulley, 119-nineteenth pulley, 120-twentieth pulley, 121-twenty first pulley, 122-twenty second pulley, 123-twenty third pulley, 124-twenty fourth pulley.

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Detailed Description

Embodiment 1 of the utility model: as shown in fig. 1-12, an upgraded and rebuilt shore bridge system is characterized in that a traditional girder of the shore bridge is a double-trapezoid four-rail girder 1, an upper trolley 2 runs on an upper trolley running rail a16 on the inner side of the double-trapezoid four-rail girder 1, a lower trolley 3 is hung upside down on a lower trolley running rail a8 on the outer side of the double-trapezoid four-rail girder 1, and the upper trolley 2 lifts a container 5 through a lifting appliance 4 and can pass through the lower trolley 3. The double-trapezoid four-rail girder 1 comprises original box beams a4, plates Aa5, plates Ba6 and a rail-bearing beam a7, the tops of the two original box beams a4 are connected through a connecting frame a11 of a shore bridge, the structures of the two original box beams a4 are symmetrically arranged by taking the center of the connecting frame a11 as an axis, the sections of the bottoms of the two original box beams a4 are right-angled trapezoids, each right-angled trapezium comprises a right-angled waist a12, an inclined waist a13, an upper bottom a14 and a lower bottom a15, the inclined waist a13 of the bottoms of the two original box beams a4 are both positioned on the inner side of the shore bridge, the right-angled waist a12 are both positioned on the outer side of the shore bridge, and the two inclined waist a13 are provided with symmetrically arranged upper trolley running rails a 16; the plates Ba6 are laid along the length direction of the original box-shaped beam a4, the plates Ba6 are positioned at the outer side of the lower base a15, one side of the plates Ba6 is connected with one side of the lower base a15, and the plates Ba6 and the lower base a15 are positioned at the same horizontal height; the plates Aa5 are laid along the length direction of the original box-shaped beam a4, one side of each plate Aa5 is connected with one side of each plate Ba6, which is far away from the lower bottom a15, and the other side of each plate Aa5 is connected with the outer side of the original box-shaped beam a 4; the end part of the Ba6, which is far away from the lower bottom a15, is provided with a rail bearing beam a7, and a lower trolley running track a8 is laid on the rail bearing beam a 7. The utility model discloses reform transform traditional bank bridge girder, respectively increase two boards in two original box girder a4 outsides, form two trapezoidal section roof beams, increase rail supporting beam a7 in two trapezoidal section roof beams outsides to lay down dolly orbit a8, be used for bearing newly-increased lower dolly 3 of hanging upside down. The original upper trolley running track a16 of the original box-shaped beam a4 has unchanged track gauge, and the upper trolley runs on two upper trolley running tracks a16 which are symmetrically arranged. A lower trolley 3 is additionally arranged on the outer side track of the original box-shaped beam a 4. Two dollies are arranged from top to bottom, and the dolly spatial structure under ingenious setting, and dolly 2 can cross in the space with dolly 3 down on the bank bridge after the transformation and pass through mutually noninterference, and the bank bridge is become two dolly operations by a dolly operation, greatly improves the operating efficiency of bank bridge. The utility model discloses need not newly-built change bank bridge to the investment is reformed transform in less upgrading, just can promote the handling efficiency of original bank bridge by a wide margin, and two dollies of bank bridge after the transformation cross on spatial position and pass through, overlap in time, and handling efficiency doubles.

Further, the upper trolley 2 comprises an upper trolley body b9, the lifting appliance 4 comprises a lifting appliance upper frame b5, and the upper trolley body b9 is connected with the lifting appliance upper frame b5 through a steel cable; a guide device b4 is further arranged on the upper trolley body b9 and the hanger upper frame b5, the guide device b4 comprises a guide frame b7 and a guide rod b8, the guide frame b7 is arranged at the top of the hanger upper frame b5, the guide rod b8 is arranged at the bottom of the upper trolley body b9, and the guide frame b7 can be slidably arranged in the guide rod b 8; the guide frame b7 comprises a guide groove b10 and a support structure b11, and the guide groove b10 is arranged at the top of the support structure b 11. When the container 5 lifted by the upper trolley 2 is lifted to the highest position and passes through the lower trolley 3, the guide rod b8 is smoothly inserted into the guide groove b10 to limit the swinging of the spreader 4 and the container 5, so that the container 5 lifted by the upper trolley 2 can pass through the lower trolley 3 without interference. The two transformed trolleys of the shore bridge are safely and stably crossed and penetrated in space positions, are overlapped in time, and the loading and unloading efficiency is doubled.

Furthermore, the upper trolley body b9 and the two sides of the hanger upper frame b5 are connected through a steel cable, and the guiding device b4 is arranged on the inner side of the steel cable. The arrangement mode that the flexible connecting piece is arranged on the outer side and the rigid connecting piece is arranged on the inner side enables the running process to be smoother and not interfered too much when the upper trolley 2 and the lower trolley 3 are not crossed.

Example 2: as shown in fig. 1-12, an upgraded and rebuilt shore bridge system is characterized in that a traditional girder of the shore bridge is a double-trapezoid four-rail girder 1, an upper trolley 2 runs on an upper trolley running rail a16 on the inner side of the double-trapezoid four-rail girder 1, a lower trolley 3 is hung upside down on a lower trolley running rail a8 on the outer side of the double-trapezoid four-rail girder 1, and the upper trolley 2 lifts a container 5 through a lifting appliance 4 and can pass through the lower trolley 3. The double-trapezoid four-rail girder 1 comprises original box beams a4, plates Aa5, plates Ba6 and a rail-bearing beam a7, the tops of the two original box beams a4 are connected through a connecting frame a11 of a shore bridge, the structures of the two original box beams a4 are symmetrically arranged by taking the center of the connecting frame a11 as an axis, the sections of the bottoms of the two original box beams a4 are right-angled trapezoids, each right-angled trapezium comprises a right-angled waist a12, an inclined waist a13, an upper bottom a14 and a lower bottom a15, the inclined waist a13 of the bottoms of the two original box beams a4 are both positioned on the inner side of the shore bridge, the right-angled waist a12 are both positioned on the outer side of the shore bridge, and the two inclined waist a13 are provided with symmetrically arranged upper trolley running rails a 16; the plates Ba6 are laid along the length direction of the original box-shaped beam a4, the plates Ba6 are positioned at the outer side of the lower base a15, one side of the plates Ba6 is connected with one side of the lower base a15, and the plates Ba6 and the lower base a15 are positioned at the same horizontal height; the plates Aa5 are laid along the length direction of the original box-shaped beam a4, one side of each plate Aa5 is connected with one side of each plate Ba6, which is far away from the lower bottom a15, and the other side of each plate Aa5 is connected with the outer side of the original box-shaped beam a 4; the end part of the Ba6, which is far away from the lower bottom a15, is provided with a rail bearing beam a7, and a lower trolley running track a8 is laid on the rail bearing beam a 7. The utility model discloses reform transform traditional bank bridge girder, respectively increase two boards in two original box girder a4 outsides, form two trapezoidal section roof beams, increase rail supporting beam a7 in two trapezoidal section roof beams outsides to lay down dolly orbit a8, be used for bearing newly-increased lower dolly 3 of hanging upside down. The original upper trolley running track a16 of the original box-shaped beam a4 has unchanged track gauge, and the upper trolley runs on two upper trolley running tracks a16 which are symmetrically arranged. A lower trolley 3 is additionally arranged on the outer side track of the original box-shaped beam a 4. Two dollies are arranged from top to bottom, and the dolly spatial structure under ingenious setting, and dolly 2 can cross in the space with dolly 3 down on the bank bridge after the transformation and pass through mutually noninterference, and the bank bridge is become two dolly operations by a dolly operation, greatly improves the operating efficiency of bank bridge. The utility model discloses need not newly-built change bank bridge to the investment is reformed transform in less upgrading, just can promote the handling efficiency of original bank bridge by a wide margin, and two dollies of bank bridge after the transformation cross on spatial position and pass through, overlap in time, and handling efficiency doubles.

Furthermore, the upgraded shore bridge system further comprises a lower trolley travelling mechanism c7, a lower trolley hoisting mechanism c8, an upper trolley travelling mechanism c9, an upper trolley hoisting mechanism c10, an upper trolley hoisting winding system, a lower trolley hoisting winding system f6, an upper trolley travelling winding system and a lower trolley travelling winding system, wherein the upper trolley travelling mechanism c9 drives the upper trolley 2 to travel along an upper trolley running track a16 through the upper trolley travelling winding system, and the upper trolley hoisting mechanism c10 drives the upper trolley 2 to ascend and descend through the upper trolley hoisting system; the lower trolley travelling mechanism c7 drives the lower trolley 3 to travel along the lower trolley running track a8 through the lower trolley travelling winding system; the lower trolley hoisting mechanism c8 drives the lifting appliance 4 of the lower trolley 3 to take off and land through the lower trolley hoisting winding system f 6; the lower trolley travelling mechanism c7, the lower trolley hoisting mechanism c8, the upper trolley travelling mechanism c9 and the upper trolley hoisting mechanism c10 are all arranged in the same machine room 16 of the shore bridge, and the upper trolley hoisting winding system, the lower trolley hoisting winding system f6, the upper trolley travelling winding system and the lower trolley travelling winding system are effectively staggered on the shore bridge and do not interfere with each other. The utility model discloses a to last dolly play to rise winding system, lower dolly play to rise winding system f6, go up dolly walking winding system, the rational arrangement of dolly walking winding system mounted position down for go up the dolly play to rise winding system, lower dolly play to rise winding system f6, go up dolly walking winding system, dolly walking winding system can not produce the interference phenomenon down when the operation on the bank bridge, guarantee to go up dolly 2 and dolly 3 is to wearing steady operation down.

Furthermore, an upper trolley hoisting mechanism c10 is arranged in front of the upper trolley travelling mechanism c 9; the lower trolley travelling mechanism c7 comprises a lower trolley travelling mechanism Ac28 and a lower trolley travelling mechanism Bc29, and the lower trolley travelling mechanism Ac28 and the lower trolley travelling mechanism Bc29 are respectively arranged on the left side and the right side of the upper trolley travelling mechanism c 9; the lower trolley hoisting mechanism c8 comprises a lower trolley hoisting mechanism Ac25, a lower trolley hoisting mechanism Bc26 and a floating coupling c27, the lower trolley hoisting mechanism Ac25 is connected with the lower trolley hoisting mechanism Bc26 through the floating coupling c27, the floating coupling c27 is horizontally arranged in a gap between the upper trolley travelling mechanism c9 and the upper trolley hoisting mechanism c10, and the lower trolley hoisting mechanism Ac25 and the lower trolley hoisting mechanism Bc26 are respectively arranged on the left side and the right side of the upper trolley hoisting mechanism c 10. Because computer lab 16's space is limited, the utility model discloses can settle dolly running gear c9, go up under dolly hoisting mechanism c 10's the prerequisite, can also settle newly-increased lower dolly running gear c7 and dolly hoisting mechanism c8 down, and do not need newly-built computer lab, reduce and reform transform the cost, make full use of original computer lab 16's residual space. The utility model discloses a novel lower dolly hoisting mechanism c8, including lower dolly hoisting mechanism Ac25, lower dolly hoisting mechanism Bc26 and unsteady coupling c27 specifically, wherein the setting of unsteady coupling c27 can guarantee that lower dolly hoisting mechanism Ac25, lower dolly hoisting mechanism Bc26 operation are synchronous, prevent that two mechanisms operation desynchrony from leading to the hoist 4 of the lower dolly 3 that drives to take place the problem of verting, this is a big innovation of lower dolly hoisting mechanism c 8; in addition, because the space of the machine room 16 is limited, in order to install the newly-added lower trolley hoisting mechanism Ac25 and the lower trolley hoisting mechanism Bc26, a newly-built machine room is not needed, the reconstruction cost is reduced, the floating coupling c27 plays a good role in continuity, the floating coupling c27 is arranged in a small size, the left side and the right side of the floating coupling c27 are respectively connected with the lower trolley hoisting mechanism Ac25 and the lower trolley hoisting mechanism Bc26, the residual space of the original machine room 16 is fully utilized, the space utilization rate is improved, and the stable operation of the newly-added lower trolley can be. Specifically, the lower trolley travelling mechanism Ac28 comprises a travelling drum A, a motor and a speed reducer, wherein one side shaft of the speed reducer is connected with the motor, and the other side shaft of the speed reducer is connected with the travelling drum A. The lower trolley travelling mechanism Bc29 comprises a travelling winding drum B, a motor and a speed reducer, wherein one side shaft of the speed reducer is connected with the motor, and the other side shaft of the speed reducer is connected with the travelling winding drum B.

Further, the lower trolley hoisting mechanism Ac25 comprises a hoisting drum Af23, a second motor f28 and a speed reducer f29, wherein one side of the second motor f28 is coaxially connected with the speed reducer f29, and the other side of the second motor f28 is axially connected with the hoisting drum Af 23; the lower trolley hoisting mechanism Bc26 comprises a hoisting winding drum Bf18, a second motor f28 and a speed reducer f29, wherein one side of the second motor f28 is coaxially connected with the speed reducer f29, and the other side of the second motor f28 is axially connected with the hoisting winding drum Bf 18.

Further, the lower trolley lifting and winding system f6 comprises a lower trolley lifting and winding group Af26 and a lower trolley lifting and winding group Bf27, the lower trolley lifting mechanism Ac25 drives the lifting appliance 4 of the lower trolley 3 to lift through the lower trolley lifting and winding group Af26, and meanwhile, the lower trolley lifting mechanism Bc26 drives the lifting appliance 4 of the lower trolley 3 to lift through the lower trolley lifting and winding group Bf 27.

Further, the concave frame d5 comprises a transverse frame d4, a first vertical frame group d8 and a second vertical frame group d9, wherein one end of the transverse frame d4 is connected with the end of the first vertical frame group d8, the other end of the transverse frame d4 is connected with the end of the second vertical frame group d9, and the structures of the first vertical frame group d8 and the second vertical frame group d9 are symmetrically arranged by taking the middle part of the transverse frame d4 as an axis; the top of the first vertical frame group d8 is also connected with a first horizontal bracket Af34, and the top of the second vertical frame group d9 is also connected with a first horizontal bracket Bf 35. The lower trolley hoisting winding group Af26 comprises a first shore bridge direction-changing pulley f30 and a second shore bridge direction-changing pulley f31 which are installed on a shore bridge, a thirteenth pulley 113, a fourteenth pulley 114, a fifteenth pulley 115, a twenty-second pulley 122, a twenty-third pulley 123 and a twenty-fourth pulley 124 which are installed on a first horizontal support Af34, a sixteenth pulley 116 and a twenty-first pulley 121 which are installed on a first vertical frame group d8, a seventeenth pulley 117, an eighteenth pulley 118, a nineteenth pulley 119 and a twentieth pulley 120 which are installed on a transverse frame d4, a hanger pulley Af19 which is installed on a hanger 4 of a lower trolley 3, and a shore bridge pulley Af21 which is installed on a double-trapezoid four-rail girder 1 of the shore bridge. The lower trolley hoisting winding group Bf27 comprises a hoisting steel wire rope Af17, a third shore bridge direction-changing pulley f32 and a fourth shore bridge direction-changing pulley f33 which are arranged on a shore bridge, a first pulley 101, a second pulley 102, a third pulley 103, a tenth pulley 110, an eleventh pulley 111 and a twelfth pulley 112 which are arranged on a first horizontal support Bf35, a fourth pulley 104 and a ninth pulley 109 which are arranged on a second vertical frame group d9, a fifth pulley 105, a sixth pulley 106, a seventh pulley 107 and an eighth pulley 108 which are arranged on a transverse frame d4, a sling pulley Bf20 which is arranged on a sling 4 of a lower trolley 3 and a shore bridge pulley Bf22 which is arranged on a double-trapezoid four-rail girder 1 of the shore bridge. Specifically, one end of a hoisting steel wire rope Af17 is wound on a hoisting drum Bf18, the other end of the hoisting steel wire rope Af17 firstly winds around a third shore bridge redirection pulley f32 from the top, then winds around a fourth shore bridge redirection pulley f33 from the bottom, then winds around a first pulley 101 from the bottom, turns around a second pulley 102 for 180 degrees, then turns around a third pulley 103 for 180 degrees, then winds around a fourth pulley 104 downwards, continues to wind around a fifth pulley 105 downwards, then horizontally turns around a sixth pulley 106, vertically turns around a hanger pulley Bf20, then turns around a seventh pulley 107 for 180 degrees vertically upwards, then winds around an eighth pulley 108 for downwards, then winds around a ninth pulley 109 for vertically upwards, then winds around a tenth pulley 110 for upwards, then winds around an eleventh pulley 111, horizontally turns around 180 degrees, continues to wind around a twelfth pulley 112, horizontally turns around a 180 degrees and then winds around a shore bridge pulley Bf22 after horizontally turning 180 degrees, then passes around the shore bridge pulley Af21, then passes around the thirteenth pulley 113, turns 180 degrees, passes around the fourteenth pulley 114, turns 180 degrees, passes around the fifteenth pulley 115, passes down around the sixteenth pulley 116, continues down around the seventeenth pulley 117, turns horizontally, passes around the eighteenth pulley 118, turns vertically, passes back around the spreader pulley Af19, turns 180 degrees, passes around the nineteenth pulley 119, passes around the twentieth pulley 120, passes around the twenty-first pulley 121, passes around the twenty-second pulley 122, passes around the twenty-third pulley 123, turns 180 degrees, passes around the twenty-fourth pulley 124, turns 180 degrees, passes around the second shore bridge redirection pulley f31, passes around the first shore bridge redirection pulley f30, and finally winds around the lifting drum Af 23.

Furthermore, two rope dragging frames f24 are further arranged on the outer side face of the double-trapezoid four-rail girder 1 along the length direction of the girder, and the hoisting steel wire rope Af17 is arranged on the rope dragging frames f 24.

Example 3: as shown in fig. 1-12, an upgraded and rebuilt shore bridge system is characterized in that a traditional girder of the shore bridge is a double-trapezoid four-rail girder 1, an upper trolley 2 runs on an upper trolley running rail a16 on the inner side of the double-trapezoid four-rail girder 1, a lower trolley 3 is hung upside down on a lower trolley running rail a8 on the outer side of the double-trapezoid four-rail girder 1, and the upper trolley 2 lifts a container 5 through a lifting appliance 4 and can pass through the lower trolley 3. The double-trapezoid four-rail girder 1 comprises original box beams a4, plates Aa5, plates Ba6 and a rail-bearing beam a7, the tops of the two original box beams a4 are connected through a connecting frame a11 of a shore bridge, the structures of the two original box beams a4 are symmetrically arranged by taking the center of the connecting frame a11 as an axis, the sections of the bottoms of the two original box beams a4 are right-angled trapezoids, each right-angled trapezium comprises a right-angled waist a12, an inclined waist a13, an upper bottom a14 and a lower bottom a15, the inclined waist a13 of the bottoms of the two original box beams a4 are both positioned on the inner side of the shore bridge, the right-angled waist a12 are both positioned on the outer side of the shore bridge, and the two inclined waist a13 are provided with symmetrically arranged upper trolley running rails a 16; the plates Ba6 are laid along the length direction of the original box-shaped beam a4, the plates Ba6 are positioned at the outer side of the lower base a15, one side of the plates Ba6 is connected with one side of the lower base a15, and the plates Ba6 and the lower base a15 are positioned at the same horizontal height; the plates Aa5 are laid along the length direction of the original box-shaped beam a4, one side of each plate Aa5 is connected with one side of each plate Ba6, which is far away from the lower bottom a15, and the other side of each plate Aa5 is connected with the outer side of the original box-shaped beam a 4; the end part of the Ba6, which is far away from the lower bottom a15, is provided with a rail bearing beam a7, and a lower trolley running track a8 is laid on the rail bearing beam a 7. The utility model discloses reform transform traditional bank bridge girder, respectively increase two boards in two original box girder a4 outsides, form two trapezoidal section roof beams, increase rail supporting beam a7 in two trapezoidal section roof beams outsides to lay down dolly orbit a8, be used for bearing newly-increased lower dolly 3 of hanging upside down. The original upper trolley running track a16 of the original box-shaped beam a4 has unchanged track gauge, and the upper trolley runs on two upper trolley running tracks a16 which are symmetrically arranged. A lower trolley 3 is additionally arranged on the outer side track of the original box-shaped beam a 4. Two dollies are arranged from top to bottom, and the dolly spatial structure under ingenious setting, and dolly 2 can cross in the space with dolly 3 down on the bank bridge after the transformation and pass through mutually noninterference, and the bank bridge is become two dolly operations by a dolly operation, greatly improves the operating efficiency of bank bridge. The utility model discloses need not newly-built change bank bridge to the investment is reformed transform in less upgrading, just can promote the handling efficiency of original bank bridge by a wide margin, and two dollies of bank bridge after the transformation cross on spatial position and pass through, overlap in time, and handling efficiency doubles.

Further, the lower trolley 3 comprises a concave frame d5, a movable trolley d6 and wheels d13, wherein the wheels d13 are arranged on two sides of the top of the concave frame d5, the wheels d13 are arranged on a lower trolley running track a8 on the outer side of the double-trapezoid four-rail crossbeam 1 in a rolling manner, the movable trolley d6 is arranged at the bottom of the concave frame d5, and a lifting appliance 4 is connected below the movable trolley d 6. The lower trolley is provided with a concave frame d5, and the concave frame d5 forms a concave semi-closed space in the space which is enough for the upper trolley 2 to hang the container 5 without interference; compared with a U-shaped frame of a novel quayside crane trolley, the structure can realize the passing-through of the upper trolley 2 in the space of the concave lower trolley 3 without changing the position of the double-trapezoid four-rail crossbeam 1, and the investment is saved. Wherein the travelling car d6 is used for carrying the spreader 4, and the travelling car d6 can move on the concave vehicle frame d 5.

Furthermore, a travelling trolley track is laid at the bottom of the concave vehicle frame d5, the travelling trolley d6 comprises a vehicle body d10 and travelling wheels d17, the travelling wheels d17 are mounted on two sides of the bottom of the vehicle body d10, and the travelling wheels d17 are arranged on the travelling trolley track in a rolling manner.

Further, the concave frame d5 includes a transverse frame d4, a first vertical frame group d8, and a second vertical frame group d9, wherein one end of the transverse frame d4 is connected to an end of the first vertical frame group d8, the other end of the transverse frame d4 is connected to an end of the second vertical frame group d9, and the first vertical frame group d8 and the second vertical frame group d9 are symmetrically arranged with a middle portion of the transverse frame d4 as an axis. The first vertical carriage group d8 includes a first vertical bar d19 and a second vertical bar d 20; the second vertical carriage group d9 also includes a first vertical bar d19 and a second vertical bar d 20; the wheel d13 is located the top of first vertical pole d19, and the other end of first vertical pole d19 is connected with the end connection of second vertical pole d20, and the one end that second vertical pole d20 kept away from first vertical pole d19 is connected with horizontal frame d 4. The arrangement mode does not need to change the distance between the girders of the traditional shore bridge, can realize the cross crossing operation between the upper trolley 2 and the lower trolley 3 on the premise of lower upgrading and reconstruction cost, and can also avoid the occurrence of interference condition.

Furthermore, a horizontal guide wheel set d7 is further mounted at the top of the concave frame d5, and the horizontal guide wheel set d7 is arranged on the outer side of a wheel d 13; the horizontal guide wheel set d7 comprises a horizontal wheel d18 and a rotating shaft d21, wherein the horizontal wheel d18 is coaxially sleeved on the rotating shaft d21 and can rotate around the rotating shaft d 21; the horizontal wheel d18 is in the shape of an inverted horn. The horizontal guide wheel set d7 can prevent the wheel d13 of the lower trolley 3 from deviating and reduce the abrasion of the running track a8 of the lower trolley. Specifically, the horizontal guiding wheel group d7 will collide with the outer side of the wheel d13 when the lower trolley 3 is laterally deviated, and the lateral deviation of the wheel d13 is corrected by using a reverse force. In addition, when the lower trolley 3 deviates from the lower trolley running track a8, the horizontal wheel d18 rotates around the rotating shaft d21 at the side of the lower trolley running track a8, so that the friction can be reduced, and the abrasion of the lower trolley running track a8 can be reduced.

Furthermore, trolley moving devices e7 are further mounted on two sides of the moving trolley d6, the trolley moving device e7 comprises a first motor e18, a speed reducer e21, an electric push rod e22 and a support e23, wherein the first motor e18 is connected with the speed reducer e21 through a shaft, the speed reducer e21 is connected with the electric push rod e22 through a shaft, one end, far away from the speed reducer e21, of the electric push rod e22 is connected with a trolley body d10 of the moving trolley d6, and the bottom of the electric push rod e22 is fixed on the transverse trolley frame d4 through the support e 23. The trolley moving device e7 has multiple functions, namely, the function one is to control the accurate movement of the moving trolley d 6; the second function is to fix the trolley d 6. Specifically, the first motor e18 provides power to extend and retract the electric push rod e22, the electric push rod e22 is connected with the trolley body d10 to control the moving position of the moving trolley d6, and the speed reducer e21 can also adjust the speed. The trolley moving device e7 controls the moving trolley d6 to realize the displacement of the lifting appliance 4, so that the box operation is completed, the fine adjustment process is quick and convenient, and the loading and unloading efficiency is improved. The trolley moving device e7 is used for limiting the displacement of the moving trolley d6 on the moving trolley track, and the moving trolley d6 is fixed when the electric push rod e22 is locked, so that the moving trolley d6 is prevented from shaking due to external force action such as cross wind and the like, and potential safety hazards are avoided.

Furthermore, four rope dragging frames f24 are further arranged on the outer side face of the double-trapezoid four-rail girder 1 along the length direction of the girder, and the hoisting steel wire rope Af17 is arranged on the rope dragging frames f 24.

Example 4: as shown in fig. 1 to 12, an operation process of an upgraded and modified shore bridge system, which uses the upgraded and modified shore bridge system, includes the following processes: a traditional shore bridge girder is transformed into a double-trapezoid four-rail girder 1, an upper trolley 2 walks on an upper trolley running rail a16 on the inner side of the double-trapezoid four-rail girder 1, a lower trolley 3 is hung upside down on a lower trolley running rail a8 on the outer side of the double-trapezoid four-rail girder 1, and the upper trolley 2 lifts a container 5 through a lifting appliance 4 and can pass through the lower trolley 3. The upper trolley travelling mechanism c9 drives the upper trolley 2 to travel along the upper trolley running track a16 through the upper trolley travelling winding system, and the upper trolley hoisting mechanism c10 drives the upper trolley 2 to take off and land through the upper trolley hoisting winding system; the lower trolley travelling mechanism c7 drives the lower trolley 3 to travel along the lower trolley running track a8 through the lower trolley travelling winding system; the lower trolley hoisting mechanism c8 drives the lifting appliance 4 of the lower trolley 3 to take off and land through the lower trolley hoisting winding system f 6; the lower trolley travelling mechanism c7, the lower trolley hoisting mechanism c8, the upper trolley travelling mechanism c9 and the upper trolley hoisting mechanism c10 are all arranged in the same machine room 16 of the shore bridge, and the upper trolley hoisting winding system, the lower trolley hoisting winding system f6, the upper trolley travelling winding system and the lower trolley travelling winding system are effectively staggered on the shore bridge and do not interfere with each other.

The utility model discloses a theory of operation: the utility model provides a single dolly bank bridge of tradition upgrading transformation scheme can be used to the upgrading transformation of single dolly of tradition to improve the handling efficiency of current bank bridge. The method specifically comprises the following steps: a girder of a conventional shore bridge is transformed into a double-trapezoid four-rail girder 1, a concave lower trolley 3 is hung outside a lower trolley running rail a8 on the outer side of the girder, a steel wire rope of a lower trolley walking and winding system is wound on the lower trolley 3, the lower trolley 3 is pulled to move along a lower trolley running rail a8 on the outer side of the double-trapezoid four-rail girder 1, and a steel wire rope of a lower trolley lifting and winding system is wound on the lower trolley 3 and a lifting appliance 4 to be in charge of lifting and descending of the lifting appliance 4 of the lower trolley 3. The original upper trolley 2 is arranged on the trolley running track a16 on the inner side of the girder, the steel wire rope of the upper trolley running winding system is wound on the upper trolley 2, the upper trolley 2 is drawn to move along the upper trolley running track a16 of the double-trapezoid four-rail girder 1, and the steel wire rope of the upper trolley lifting winding system is wound on the upper trolley 2 and the lifting appliance 4 to take part in lifting of the upper trolley lifting appliance 4. The position of the shore bridge machine room 16 is unchanged, and an electric room is added in the middle of a shore bridge door leg. In the machine room 16, a steel wire rope of an upper trolley walking and winding system is wound on an upper trolley walking mechanism c9, a steel wire rope of an upper trolley lifting and winding system is wound on an upper trolley lifting mechanism c10, a steel wire rope of a lower trolley walking and winding system is wound on a lower trolley walking mechanism c7, and a steel wire rope of a lower trolley lifting and winding system f6 is wound on a lower trolley lifting mechanism c 8. The lower trolley travelling mechanism c7 and the lower trolley hoisting mechanism c8 are arranged at two sides of the upper trolley travelling mechanism c9 and the upper trolley hoisting mechanism c 10. The lower trolley 3 is in a concave space structure, and the container 5 hung by the spreader 4 of the upper trolley 2 can pass through the concave space of the lower trolley 3 without interference. The two transformed trolleys of the shore bridge cross and cross in the space position, overlap in time and double in loading and unloading efficiency.

Claims

1. A bank bridge system after upgrading and reconstruction is characterized in that a traditional bank bridge girder is reconstructed into a double-trapezoid four-rail girder (1), an upper trolley (2) runs on an upper trolley running track (a16) on the inner side of the double-trapezoid four-rail girder (1), a lower trolley (3) is hung upside down on a lower trolley running track (a8) on the outer side of the double-trapezoid four-rail girder (1), and the upper trolley (2) lifts a container (5) through a lifting appliance (4) and can pass through the lower trolley (3);

the double-trapezoid four-rail girder (1) comprises original box beams (a4), a plate A (a5), a plate B (a6) and a rail bearing beam (a7), the tops of the two original box beams (a4) are connected through a connecting frame (a11) of a shore bridge, the two original box beams (a4) are symmetrically arranged by taking the center of the connecting frame (a11) as an axis, the sections of the bottoms of the two original box beams (a4) are in a right-angle trapezoid shape, the right-angle trapezoid shape comprises a right-angle waist (a12), an oblique waist (a13), an upper bottom (a14) and a lower bottom (a15), the oblique waists (a13) of the bottoms of the two original box beams (a4) are located on the inner side of the shore bridge, the right-angle waist (a12) is located on the outer side of the shore bridge, and the two oblique waists (a13) are provided with symmetrically arranged upper trolley running rails (a 16); the plate B (a6) is laid along the length direction of the original box girder (a4), the plate B (a6) is positioned at the outer side of the lower bottom (a15), one side of the plate B (a6) is connected with one side of the lower bottom (a15), and the plate B (a6) and the lower bottom (a15) are positioned at the same horizontal height; the plate A (a5) is laid along the length direction of the original box girder (a4), one side of the plate A (a5) is connected with one side of the plate B (a6) far away from the lower bottom (a15), and the other side of the plate A (a5) is connected with the outer side of the original box girder (a 4); the end part of the plate B (a6), which is far away from the lower bottom (a15), is provided with a rail bearing beam (a7), and a lower trolley running track (a8) is laid on the rail bearing beam (a 7);

the lower trolley (3) comprises a concave frame (d5), a movable trolley (d6) and wheels (d13), wherein the wheels (d13) are arranged on two sides of the top of the concave frame (d5), the wheels (d13) are arranged on a lower trolley running track (a8) on the outer side of the double-trapezoid four-track girder (1) in a rolling mode, the movable trolley (d6) is arranged at the bottom of the concave frame (d5), and a lifting appliance (4) is connected to the lower portion of the movable trolley (d 6).

2. The upgraded shore bridge system according to claim 1, wherein the upper trolley (2) comprises an upper trolley body (b9), the spreader (4) comprises a spreader upper frame (b5), and the upper trolley body (b9) is connected with the spreader upper frame (b5) through a steel cable; the upper trolley body (b9) and the upper hanger frame (b5) are further provided with a guide device (b4), the guide device (b4) comprises a guide frame (b7) and a guide rod (b8), the guide frame (b7) is arranged at the top of the upper hanger frame (b5), the guide rod (b8) is arranged at the bottom of the upper trolley body (b9), and the guide frame (b7) can be arranged in the guide rod (b8) in a sliding manner; the guide frame (b7) comprises a guide groove (b10) and a support structure (b11), and the guide groove (b10) is arranged at the top of the support structure (b 11).

3. The upgraded shore bridge system according to claim 1, further comprising a lower trolley travelling mechanism (c7), a lower trolley hoisting mechanism (c8), an upper trolley travelling mechanism (c9), an upper trolley hoisting mechanism (c10), an upper trolley hoisting and winding system, a lower trolley hoisting and winding system (f6), an upper trolley travelling and winding system and a lower trolley travelling and winding system, wherein the upper trolley travelling mechanism (c9) drives the upper trolley (2) to travel along an upper trolley running track (a16) through the upper trolley travelling and winding system, and the upper trolley hoisting mechanism (c10) drives the upper trolley (2) to ascend and descend through the upper trolley hoisting system; the lower trolley travelling mechanism (c7) drives the lower trolley (3) to travel along the lower trolley running track (a8) through the lower trolley travelling winding system; the lower trolley hoisting mechanism (c8) drives the lifting appliance (4) of the lower trolley (3) to take off and land through the lower trolley hoisting winding system (f 6); the lower trolley travelling mechanism (c7), the lower trolley hoisting mechanism (c8), the upper trolley travelling mechanism (c9) and the upper trolley hoisting mechanism (c10) are all arranged in the same machine room (16) of the shore bridge, and the upper trolley hoisting winding system, the lower trolley hoisting winding system (f6), the upper trolley traveling winding system and the lower trolley traveling winding system are effectively staggered on the shore bridge and do not interfere with each other.

4. The upgraded shore bridge system according to claim 3, wherein the upper trolley hoisting mechanism (c10) is provided in front of the upper trolley travelling mechanism (c 9); the lower trolley travelling mechanism (c7) comprises a lower trolley travelling mechanism A (c28) and a lower trolley travelling mechanism B (c29), and the lower trolley travelling mechanism A (c28) and the lower trolley travelling mechanism B (c29) are respectively arranged on the left side and the right side of the upper trolley travelling mechanism (c 9); the lower trolley hoisting mechanism (c8) comprises a lower trolley hoisting mechanism A (c25), a lower trolley hoisting mechanism B (c26) and a floating coupling (c27), the lower trolley hoisting mechanism A (c25) is connected with the lower trolley hoisting mechanism B (c26) through the floating coupling (c27), the floating coupling (c27) is horizontally arranged in a gap between the upper trolley travelling mechanism (c9) and the upper trolley hoisting mechanism (c10), and the lower trolley hoisting mechanism A (c25) and the lower trolley hoisting mechanism B (c26) are respectively arranged on the left side and the right side of the upper trolley hoisting mechanism (c 10).

5. The upgraded shore bridge system according to claim 1, wherein a travelling trolley track is laid at the bottom of the concave frame (d5), the travelling trolley (d6) comprises a trolley body (d10) and travelling wheels (d17), the travelling wheels (d17) are installed at two sides of the bottom of the trolley body (d10), and the travelling wheels (d17) are arranged on the travelling trolley track in a rolling manner.

6. The upgraded shore bridge system according to claim 5, wherein the concave frame (d5) comprises a transverse frame (d4), a first vertical frame group (d8) and a second vertical frame group (d9), wherein one end of the transverse frame (d4) is connected with the end of the first vertical frame group (d8), the other end of the transverse frame (d4) is connected with the end of the second vertical frame group (d9), and the structures of the first vertical frame group (d8) and the second vertical frame group (d9) are symmetrically arranged by taking the middle part of the transverse frame (d4) as an axis;

the first vertical carriage group (d8) comprises a first vertical rod (d19) and a second vertical rod (d 20); the second vertical carriage group (d9) also comprises a first vertical rod (d19) and a second vertical rod (d 20); the wheel (d13) is arranged at the top end of the first vertical rod (d19), the other end of the first vertical rod (d19) is connected with the end part of the second vertical rod (d20), and one end, far away from the first vertical rod (d19), of the second vertical rod (d20) is connected with the transverse frame (d 4).

7. The upgraded shore bridge system according to claim 6, wherein the top of the concave frame (d5) is further provided with a horizontal guide wheel set (d7), and the horizontal guide wheel set (d7) is arranged on the outer side of the wheel (d 13); the horizontal guide wheel set (d7) comprises a horizontal wheel (d18) and a rotating shaft (d21), and the horizontal wheel (d18) is coaxially sleeved on the rotating shaft (d21) and can rotate around the rotating shaft (d 21); the horizontal wheel (d18) is in an inverted horn shape.

8. The upgraded shore bridge system according to claim 6, wherein a trolley moving device (e7) is further mounted on each side of the moving trolley (d6), the trolley moving device (e7) comprises a first motor (e18), a speed reducer (e21), an electric push rod (e22) and a support (e23), wherein the first motor (e18) is connected with the speed reducer (e21) through a shaft, the speed reducer (e21) is connected with the electric push rod (e22) through a shaft, one end, away from the speed reducer (e21), of the electric push rod (e22) is connected with a trolley body (d10) of the moving trolley (d6), and the bottom of the electric push rod (e22) is fixed on the transverse trolley frame (d4) through the support (e 23).

9. The upgraded shore bridge system according to claim 4, wherein the lower trolley hoisting mechanism A (c25) comprises a hoisting drum A (f23), a second motor (f28) and a speed reducer (f29), wherein the speed reducer (f29) is coaxially connected to one side of the second motor (f28), and the hoisting drum A (f23) is axially connected to the other side of the second motor (f 28); the lower trolley hoisting mechanism B (c26) comprises a hoisting winding drum B (f18), a second motor (f28) and a speed reducer (f29), wherein one side of the second motor (f28) is coaxially connected with the speed reducer (f29), and the other side of the second motor (f28) is axially connected with the hoisting winding drum B (f 18).

10. The upgraded shore bridge system according to claim 9, wherein the lower trolley hoisting winding system (f6) comprises a lower trolley hoisting winding group a (f26) and a lower trolley hoisting winding group B (f27), the lower trolley hoisting mechanism a (c25) drives the lifting appliance (4) of the lower trolley (3) to ascend and descend through the lower trolley hoisting winding group a (f26), and the lower trolley hoisting mechanism B (c26) drives the lifting appliance (4) of the lower trolley (3) to ascend and descend through the lower trolley hoisting winding group B (f 27).

11. The upgraded shore bridge system according to claim 10, wherein the concave frame (d5) comprises a transverse frame (d4), a first vertical frame group (d8) and a second vertical frame group (d9), wherein one end of the transverse frame (d4) is connected with an end of the first vertical frame group (d8), the other end of the transverse frame (d4) is connected with an end of the second vertical frame group (d9), and the first vertical frame group (d8) and the second vertical frame group (d9) are symmetrically arranged by taking the middle of the transverse frame (d4) as an axis; wherein a first horizontal bracket A (f34) is further connected to the top of the first vertical frame group (d8), and a first horizontal bracket B (f35) is further connected to the top of the second vertical frame group (d 9);

the lower trolley lifting winding A (f26) comprises a first shore bridge direction-changing pulley (f30) and a second shore bridge direction-changing pulley (f31) which are arranged on a shore bridge, and also comprises a thirteenth pulley (113), a fourteenth pulley (114), a fifteenth pulley (115), a twenty-second pulley (122) and a twenty-third pulley (123) which are arranged on a first horizontal support A (f34), the third pulley (124) further comprises a sixteenth pulley (116) and a twenty-first pulley (121) which are arranged on the first vertical frame group (d8), a seventeenth pulley (117), an eighteenth pulley (118), a nineteenth pulley (119) and a twentieth pulley (120) which are arranged on the transverse frame (d4), a hanger pulley A (f19) which is arranged on a hanger (4) of the lower trolley (3), and a shore bridge pulley A (f21) which is arranged on a double-trapezoid four-rail girder (1) of the shore bridge;

the lower trolley lifting winding group B (f27) comprises a lifting steel wire rope A (f17), a third shore bridge direction-changing pulley (f32) and a fourth shore bridge direction-changing pulley (f33) which are arranged on a shore bridge, a first pulley (101), a second pulley (102), a third pulley (103), a tenth pulley (110) and an eleventh pulley (111) which are arranged on a first horizontal support B (f35), the twelfth pulley (112) further comprises a fourth pulley (104) and a ninth pulley (109) which are arranged on a second vertical frame group (d9), a fifth pulley (105), a sixth pulley (106), a seventh pulley (107) and an eighth pulley (108) which are arranged on a transverse frame (d4), a hanger pulley B (f20) which is arranged on a hanger (4) of a lower trolley (3), and a shore bridge pulley B (f22) which is arranged on a double-trapezoid four-rail girder (1) of a shore bridge;

one end of a hoisting steel wire rope A (f17) is wound on a hoisting drum B (f18), the other end of the hoisting steel wire rope A (f17) firstly winds a third shore bridge redirection pulley (f32) from the upper part, then winds a fourth shore bridge redirection pulley (f33) from the lower part, then winds a first pulley (101) from the lower part, turns 180 degrees, winds a second pulley (102), then turns 180 degrees, winds a third pulley (103), then winds a fourth pulley (104) downwards, continues to wind a fifth pulley (105) downwards, then winds a sixth pulley (106) after horizontally turning, vertically turns and winds a hanger pulley B (f20), then vertically turns 180 degrees upwards, winds a seventh pulley (107), then winds an eighth pulley (108) downwards, then vertically winds a ninth pulley (109), then winds a tenth pulley (110) upwards, then winds an eleventh pulley (111), then horizontally turns 180 degrees, and finally winds a fourth pulley (111) and finally winds a fourth pulley (f32) and a fourth pulley (105) and a fifth pulley, continuously winds the twelfth pulley (112), horizontally turns 180 degrees, winds the shore bridge pulley B (f22), then winds the shore bridge pulley A (f21), then winds the thirteenth pulley (113), turns 180 degrees, winds the fourteenth pulley (114), turns 180 degrees, winds the fifteenth pulley (115), turns downwards, winds the sixteenth pulley (116), continues downwards to wind the seventeenth pulley (117), horizontally turns to wind the eighteenth pulley (118), vertically turns to wind the sling pulley A (f19), turns 180 degrees, winds the nineteenth pulley (119), then winds the twentieth pulley (120), then winds the twenty-first pulley (121), then winds the twenty-second pulley (122), then winds the twenty-third pulley (123), turns 180 degrees, winds the twenty-fourth pulley (124), turns 180 degrees, winds the second shore bridge redirection pulley (f31), then the cable passes by a first shore bridge redirection pulley (f30) and finally is wound on a lifting reel A (f 23).

12. The upgraded shore bridge system according to claim 11, wherein the outer side surface of the double-trapezoid four-rail girder (1) is further provided with a plurality of hauling rope frames (f24) along the length direction of the girder, and the hoisting steel wire rope a (f17) is arranged on the hauling rope frames (f 24).

13. The upgraded shore bridge system according to claim 2, wherein the upper trolley body (b9) and the spreader upper frame (b5) are connected at both sides by a cable, and the guiding device (b4) is arranged at the inner side of the cable.