CN113003411A

CN113003411A - Energy-saving shore bridge with traversing reduction box counterweight

Info

Publication number: CN113003411A
Application number: CN201911315254.1A
Authority: CN
Inventors: 郭树旺; 赵迎九; 肖强; 郑雪峰; 王悦民; 童民慧; 高翔; 白建明
Original assignee: Huadian Heavy Industries Co Ltd
Current assignee: Huadian Lanke Technology Co Ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2021-06-22

Abstract

The invention discloses a crossing type reduction box counterweight energy-saving shore bridge. One end of the upper trolley lifting steel wire rope is led out from the upper trolley lifting mechanism, the other end of the upper trolley lifting steel wire rope extends to the upper trolley lifting appliance, the lower trolley energy-saving mechanism is in transmission connection with the lower trolley lifting mechanism, one end of the lower trolley energy-saving steel wire rope is led out from the lower trolley energy-saving mechanism, and the other end of the lower trolley energy-saving steel wire rope is fixedly connected with the shore bridge supporting structure after bypassing the lower trolley balancing component. One end of the lower trolley lifting steel wire rope is led out from the lower trolley lifting mechanism, and the other end of the lower trolley lifting steel wire rope extends to the lower trolley lifting appliance. The invention greatly improves the container loading and unloading efficiency of the shore bridge, reduces the energy consumption, has the energy-saving effect of 25 percent, simultaneously avoids the mutual interference of various devices and improves the operation stability of the crossing type shore bridge.

Description

Energy-saving shore bridge with traversing reduction box counterweight

Technical Field

The invention relates to the technical field of container handling equipment at ports and docks, in particular to a crossing type reduction gearbox counterweight energy-saving shore bridge.

Background

The water transportation is the most important transportation mode in international trade, and the long-distance and low-cost transportation of large quantities of goods is completed through container ships. The port wharf is used as a transfer station for land and water transportation, the container ship needs to complete loading and unloading at the port wharf, and the container loading and unloading efficiency of the port wharf directly influences the passing efficiency of the container ship and the throughput of the port wharf. The container ship finishes loading and unloading by utilizing a shore bridge at a port and a wharf, and the shore bridge is an important large machine and bears the majority of container loading and unloading work of the port and the wharf, so the working efficiency of the shore bridge directly influences the working efficiency of the port and the wharf. Likewise, as one of the most important mechanical equipments of the port terminal, the energy consumption of the shore bridge directly affects the operation cost of the port terminal.

The crossing type shore bridge is a novel efficient shore bridge, an upper trolley and a lower trolley are arranged on the same shore bridge, the upper trolley passes through the lower trolley in a frame, the two trolleys operate simultaneously, the efficiency of loading and unloading containers by the shore bridge can be greatly improved, and the energy consumption of the crossing type shore bridge is higher while the working efficiency of the shore bridge is improved. In order to control the energy consumption of the traversing shore bridge and reduce the operation cost of the port and the pier, an energy-saving measure needs to be added in the traversing shore bridge, and the energy consumption of the traversing shore bridge is reduced on the premise of not influencing the working efficiency of the traversing shore bridge. However, the arrangement of the wire rope winding and various accessory devices in the crossing type shore bridge is more complicated compared with the traditional shore bridge, and the crossing type energy-saving shore bridge has the problems of mutual interference and influence on the normal operation of the shore bridge after energy-saving measures are added, so that the crossing type energy-saving shore bridge capable of avoiding the problems needs to be developed.

Disclosure of Invention

The invention aims to provide a traversing type reduction box counterweight energy-saving shore bridge, wherein an upper trolley and a lower trolley are used for traversing operation and simultaneously work, the energy consumption of hoisting and taking containers by the traversing type shore bridge is effectively controlled while the loading and unloading efficiency of the shore bridge is greatly improved, the operation cost of a port wharf is reduced, the economic benefit is improved, the problem that the working efficiency of the shore bridge is reduced by the traditional energy-saving method is solved, the high-efficiency operation of the traversing type shore bridge is ensured, and the mutual interference of equipment in the traversing type shore bridge is avoided to influence the operation stability of the traversing type shore bridge.

In order to solve the technical problems, the invention adopts the following technical scheme: the energy-saving bank bridge with the traversing reduction box counterweight comprises a bank bridge supporting structure, two parallel bank bridge girders arranged on the bank bridge supporting structure, an upper trolley and a lower trolley which run on the bank bridge girders, an upper trolley lifting appliance, a lower trolley lifting appliance and a bank bridge machine room arranged above the bank bridge girders.

The invention also comprises an upper trolley energy-saving lifting system and a lower trolley energy-saving lifting system. The upper trolley energy-saving lifting system comprises an upper trolley energy-saving mechanism, an upper trolley lifting mechanism, an upper trolley energy-saving steel wire rope, an upper trolley lifting steel wire rope and an upper trolley balancing component. The upper trolley energy-saving mechanism is in transmission connection with the upper trolley hoisting mechanism, one end of the upper trolley energy-saving steel wire rope is led out of the upper trolley energy-saving mechanism, the other end of the upper trolley energy-saving steel wire rope bypasses the upper trolley balance assembly and is fixedly connected with the shore bridge supporting structure, and the upper trolley balance assembly can move up and down under the driving of the upper trolley energy-saving steel wire rope. One end of the upper trolley lifting steel wire rope is led out from the upper trolley lifting mechanism, the other end of the upper trolley lifting steel wire rope extends to the upper trolley lifting appliance, and the upper trolley lifting mechanism and the upper trolley lifting steel wire rope jointly complete the lifting and descending actions of the upper trolley lifting appliance and the container. The torque acted on the upper trolley lifting mechanism by the upper trolley lifting steel wire rope is opposite to the torque acted on the upper trolley energy-saving mechanism by the upper trolley balancing component by the upper trolley energy-saving steel wire rope, and the energy consumption of the upper trolley lifting appliance for lifting the container is reduced by the aid of the two torques in opposite directions, so that energy conservation is realized.

The lower trolley energy-saving lifting system comprises a lower trolley energy-saving mechanism, a lower trolley lifting mechanism, a lower trolley energy-saving steel wire rope, a lower trolley lifting steel wire rope and a lower trolley balancing component, wherein the lower trolley energy-saving mechanism is in transmission connection with the lower trolley lifting mechanism, one end of the lower trolley energy-saving steel wire rope is led out of the lower trolley energy-saving mechanism, and the other end of the lower trolley energy-saving steel wire rope is fixedly connected with the shore bridge supporting structure after bypassing the lower trolley balancing component. One end of the lower trolley lifting steel wire rope is led out from the lower trolley lifting mechanism, the other end of the lower trolley lifting steel wire rope extends to the lower trolley lifting appliance, and the torque of the lower trolley lifting appliance acting on the lower trolley lifting mechanism through the lower trolley lifting steel wire rope is opposite to the torque of the lower trolley balancing assembly acting on the lower trolley energy-saving mechanism through the lower trolley energy-saving steel wire rope. The lower trolley energy-saving lifting system is similar to the upper trolley energy-saving lifting system in structure, the lower trolley lifting mechanism is used for completing the lifting action of a lower trolley lifting appliance and a container, and the lower trolley energy-saving mechanism is used for reducing the energy consumption of the lower trolley lifting appliance for lifting and taking the container.

In the crossing type reduction box counterweight energy-saving shore bridge, the upper trolley energy-saving mechanism comprises an upper trolley balance reduction box and an upper trolley balance winding drum, the upper trolley lifting mechanism comprises an upper trolley lifting motor, an upper trolley lifting reduction box and an upper trolley lifting winding drum, and the upper trolley balance assembly comprises an upper trolley counterweight and an upper trolley balance movable pulley fixedly arranged on the upper trolley counterweight. The upper trolley lifting motor is in transmission connection with the upper trolley lifting reduction gearbox and the upper trolley lifting winding drum in sequence, the upper trolley lifting motor provides power to realize the lifting and descending of the upper trolley lifting appliance, and the upper trolley lifting winding drum is in transmission connection with the upper trolley balance reduction gearbox and the upper trolley balance winding drum in sequence to realize the rotation of the upper trolley balance winding drum. One end of the upper trolley energy-saving steel wire rope is wound on the upper trolley balance winding drum, the other end of the upper trolley energy-saving steel wire rope is fixedly connected with the shore bridge supporting structure after bypassing the upper trolley balance movable pulley, and the upper trolley balance movable pulley and the upper trolley balance weight move up and down simultaneously. One end of the upper trolley lifting steel wire rope is wound on the upper trolley lifting winding drum, and the other end of the upper trolley lifting steel wire rope extends to the upper trolley lifting appliance.

In the crossing type reduction box counterweight energy-saving shore bridge, the lower trolley energy-saving lifting system is similar to the upper trolley energy-saving lifting system in structure, the lower trolley energy-saving mechanism comprises a lower trolley balance reduction box and a lower trolley balance winding drum, the lower trolley lifting mechanism comprises a lower trolley lifting motor, a lower trolley lifting reduction box and a lower trolley lifting winding drum, the lower trolley balance assembly comprises a lower trolley counterweight and a lower trolley balance movable pulley fixedly arranged on the lower trolley counterweight, the lower trolley lifting motor is in transmission connection with the lower trolley lifting reduction box and the lower trolley lifting winding drum in sequence, and the lower trolley lifting winding drum is in transmission connection with the lower trolley balance reduction box and the lower trolley balance winding drum in sequence. One end of the lower trolley energy-saving steel wire rope is wound on the lower trolley balance winding drum, and the other end of the lower trolley energy-saving steel wire rope is fixedly connected with the shore bridge supporting structure after bypassing the lower trolley balance movable pulley. One end of the lower trolley lifting steel wire rope is wound on the lower trolley lifting winding drum, and the other end of the lower trolley lifting steel wire rope extends to the lower trolley lifting appliance.

In order to facilitate the arrangement of the upper trolley balance assembly and the lower trolley balance assembly, the invention further comprises a direction-changing pulley block, the direction-changing pulley block is fixedly arranged on the shore bridge supporting structure, the upper trolley energy-saving steel wire rope bypasses the direction-changing pulley block and then extends to the upper trolley balance movable pulley, and the lower trolley energy-saving steel wire rope bypasses the direction-changing pulley block and then extends to the lower trolley balance movable pulley. The arrangement of the direction-changing pulley block can facilitate the arrangement of the upper trolley energy-saving mechanism, the upper trolley balancing component, the lower trolley energy-saving mechanism and the lower trolley balancing component at proper positions, and mutual interference is avoided.

In order to improve the stability of a traversing shore bridge structure and ensure the normal operation of the traversing shore bridge, the upper trolley energy-saving lifting system and the lower trolley energy-saving lifting system can adopt a symmetrical design, the upper trolley lifting motor, the upper trolley lifting drum and the upper trolley lifting steel wire rope are all two, the two upper trolley lifting drums are positioned on two sides of an upper trolley lifting reduction box, the two upper trolley lifting drums are coaxially arranged, the rotating direction and the rotating speed are the same, an upper trolley lifting steel wire rope is wound on each upper trolley lifting drum, one end of each upper trolley lifting steel wire rope, which is far away from the upper trolley lifting drum, extends to two sides of an upper trolley lifting appliance, which are close to two shore bridge girders, the two sides of the upper trolley lifting appliance are ensured to keep the same lifting or descending speed, and the inclination or the overturn is prevented. Correspondingly, the upper trolley energy-saving mechanism, the upper trolley energy-saving steel wire rope and the upper trolley balance assembly are respectively provided with two parts, and are symmetrically arranged on two sides of the upper trolley lifting reduction box, the upper trolley balance assembly is heavy, the two sides of the crossing shore bridge are prevented from being unbalanced in stress, and the structure stability is facilitated.

The lower trolley hoisting mechanisms and the lower trolley hoisting steel wire ropes are two, the two lower trolley hoisting mechanisms are arranged by taking the axes of the two shore bridge girders as axisymmetric axes, a lower trolley hoisting steel wire rope is wound on a lower trolley hoisting drum in each lower trolley hoisting mechanism, and one end of each lower trolley hoisting steel wire rope, which is far away from the lower trolley hoisting drum, extends to the two sides, close to the two shore bridge girders, of the lower trolley hoisting drum respectively. The lower trolley energy-saving mechanism, the lower trolley energy-saving steel wire rope and the lower trolley balance assembly are respectively provided with two lower trolley energy-saving mechanisms, two lower trolley energy-saving steel wire ropes and two lower trolley balance assemblies, and the two lower trolley energy-saving mechanisms, the two lower trolley energy-saving steel wire ropes and the two lower trolley balance assemblies are symmetrically arranged on two sides. The lower trolley in the crossing type shore bridge travels on the outer sides of the two shore bridge girders and is wider in order to ensure that the upper trolley can cross from the frame of the lower trolley, so that the lifting mechanism of the lower trolley is divided into two lifting mechanisms which respectively control one side of a lifting appliance of the lower trolley.

Because the crossing shore bridge comprises two trolleys, the arrangement difficulty of the upper trolley balance assembly and the lower trolley balance assembly is high, and the upper trolley balance assembly and the lower trolley balance assembly can be arranged on one side under the adverse conditions of narrow position and the like. The upper trolley lifting motor, the upper trolley lifting reel and the upper trolley lifting steel wire rope are two, the two upper trolley lifting reels are located on two sides of the upper trolley lifting reduction gearbox, the two upper trolley lifting reels are coaxially arranged, one upper trolley lifting steel wire rope is wound on each upper trolley lifting reel, and one end, away from the upper trolley lifting reel, of the two upper trolley lifting steel wire ropes extends to two sides, close to the two shore bridge girders, of the upper trolley lifting appliance respectively. The upper trolley energy-saving mechanism and the upper trolley energy-saving steel wire rope are respectively provided with two steel wire ropes and are symmetrically arranged on two sides of the upper trolley lifting reduction box. Go up the dolly balanced subassembly total one, go up the dolly balanced subassembly and include that one goes up the balanced movable pulley of dolly and two, and two balanced movable pulleys of getting on or off the bus coaxial fixation on the balanced movable pulley of last dolly. Each upper trolley energy-saving steel wire rope is led out from upper trolley balance drums in different upper trolley energy-saving mechanisms, and the two upper trolley balance drums respectively control one upper trolley energy-saving steel wire rope. Two upper trolley energy-saving steel wire ropes extend to the upper trolley balance movable pulley after being redirected by the redirection pulley block, and the two upper trolley energy-saving steel wire ropes are fixedly connected with the shore bridge supporting structure after respectively bypassing one upper trolley balance movable pulley. An upper trolley balance component moves under the combined action of two upper trolley energy-saving steel wire ropes, and the upper trolley balance component is arranged on one side of a shore bridge girder.

The lower trolley hoisting mechanisms and the lower trolley hoisting steel wire ropes are two, the two lower trolley hoisting mechanisms are arranged by taking the axes of the two shore bridge girders as axisymmetric axes, a lower trolley hoisting steel wire rope is wound on a lower trolley hoisting drum in each lower trolley hoisting mechanism, and one end of each lower trolley hoisting steel wire rope, which is far away from the lower trolley hoisting drum, extends to the two sides, close to the two shore bridge girders, of the lower trolley hoisting drum respectively. The lower trolley energy-saving mechanism and the lower trolley energy-saving steel wire rope are respectively provided with two steel wire ropes and are symmetrically arranged on two sides of the axis of the two parallel shore bridge girders. Similarly, the lower trolley balance assembly can also be provided with one, the lower trolley balance assembly comprises a lower trolley balance weight and two lower trolley balance movable pulleys, and the two lower trolley balance movable pulleys are coaxially fixed on the lower trolley balance weight. Each lower trolley energy-saving steel wire rope is led out from a lower trolley balance winding drum in different lower trolley energy-saving mechanisms, is changed into a backward extending lower trolley balance movable pulley through a direction-changing pulley block, and is fixedly connected with the shore bridge supporting structure after respectively bypassing one lower trolley balance movable pulley. The lower trolley balance component can be arranged on the same side of the upper trolley balance component on the shore bridge girder and also can be arranged on the opposite side of the upper trolley balance component on the shore bridge girder.

In the crossing type reduction box counterweight energy-saving shore bridge, the torque of the upper trolley balance assembly acting on the upper trolley balance winding drum through the upper trolley energy-saving steel wire rope is equal to the torque of the upper trolley lifting appliance and the torque of the lifted empty container acting on the upper trolley lifting winding drum through the upper trolley lifting steel wire rope. The torque of the lower trolley balance assembly acting on the lower trolley balance winding drum through the lower trolley energy-saving steel wire rope is equal to the torque of the lower trolley lifting appliance and the torque of the suspended empty container acting on the lower trolley lifting winding drum through the lower trolley lifting steel wire rope.

The crossing type shore bridge is arranged at a port and pier and directly works on a ship, the crossing type shore bridge is large in height, the received external influence is large, and particularly under the action of cross wind of the port, the upper trolley balance assembly and the lower trolley balance assembly can shake and collide with a shore bridge supporting structure to cause damage and influence on the structural stability of the crossing type shore bridge. Therefore, the upper trolley balance assembly and the lower trolley balance assembly are both positioned in the cavity of the shore bridge supporting structure, the influence of external factors on the upper trolley balance assembly and the lower trolley balance assembly can be greatly reduced, and the stability of the crossing type shore bridge is improved.

The invention arranges two trolleys in a crossing shore bridge and adds a new control device, and arranges an upper trolley energy-saving mechanism, an upper trolley hoisting mechanism, a lower trolley energy-saving mechanism and a lower trolley hoisting mechanism in a shore bridge machine room uniformly, wherein the shore bridge machine room is horizontally and symmetrically arranged above the shore bridge girders by taking the axes of the two parallel shore bridge girders as axes, so as to ensure that the position of the shore bridge machine room is stable, avoid inclination and ensure safety, and the upper trolley hoisting mechanism and the two upper trolley energy-saving mechanisms are symmetrically arranged on two sides of the axes of the two parallel shore bridge girders and also aim to ensure that the gravity center of the shore bridge machine room is stable and the stress is balanced.

The two lower trolley hoisting mechanisms are arranged in the invention, in order to ensure that the two sides of the lower trolley lifting appliance can be lifted simultaneously and have the same speed, the invention also provides a floating coupling, the two ends of the floating coupling are respectively in transmission connection with the lower trolley hoisting reduction boxes in the two lower trolley hoisting mechanisms, and the floating coupling is used for ensuring that the lower trolley hoisting drums in the two lower trolley hoisting mechanisms rotate in the same square and at the same rotating speed.

Compared with the prior art, the invention has the advantages that: the invention provides a crossing type reduction box counterweight energy-saving shore bridge, which uses an upper trolley and a lower trolley to work simultaneously, the upper trolley passes through the frame of the lower trolley, the container loading and unloading efficiency of the shore bridge is greatly improved, the energy consumption of hoisting and taking containers by the upper trolley and the lower trolley is reduced by using the counterweight, the energy-saving effect reaches 25 percent, the running cost of the crossing type shore bridge is reduced, the economic benefit of a port wharf is improved, the mutual interference of various devices in the crossing type shore bridge is avoided, the running stability of the crossing type shore bridge is improved, the invention can effectively resist the influence of external factors on the counterweight, and the crossing type shore bridge can be ensured to run normally with low consumption.

Drawings

FIG. 1 is a schematic structural diagram of an energy-saving lifting system of an upper trolley and an energy-saving lifting system of a lower trolley in the invention;

FIG. 2 is a schematic structural view of an upper trolley energy-saving hoisting system and an upper trolley spreader in the present invention;

FIG. 3 is a schematic structural view of an energy-saving hoisting system for a lower trolley and a lower trolley spreader for the lower trolley in the invention;

FIG. 4 is a front view of the present invention of a traversing quay crane;

FIG. 5 is a top view of the upper trolley lifting mechanism and the upper trolley energy saving mechanism of the present invention;

FIG. 6 is a top view of the lower small side lift mechanism and the lower trolley energy saving mechanism of the present invention;

FIG. 7 is a schematic view of the structure of the present invention in which both the upper and lower vehicle balancing assemblies are one.

The meaning of the reference numerals: 1-shore bridge supporting structure, 2-shore bridge girder, 3-upper trolley and 4-lower trolley. 5-upper trolley lifting appliance, 6-lower trolley lifting appliance, 7-shore bridge machine room, 8-upper trolley energy-saving steel wire rope, 9-upper trolley lifting steel wire rope, 10-upper trolley balance component, 11-lower trolley energy-saving steel wire rope, 12-lower trolley lifting steel wire rope, 13-lower trolley balance component, 14-upper trolley balance reduction box, 15-upper trolley balance reel, 16-upper trolley lifting motor, 17-upper trolley lifting reduction box, 18-upper trolley lifting reel, 19-upper trolley balance weight, 20-upper trolley balance movable pulley, 21-lower trolley balance reduction box, 22-lower trolley balance reel, 23-lower trolley lifting motor, 24-lower trolley lifting reduction box, 25-lower trolley lifting reel, 26-lower trolley balance weight, 27-balance movable pulley of lower trolley, 28-direction-changing pulley block and 29-floating coupling.

The invention is further described with reference to the following figures and detailed description.

Detailed Description

Example 1 of the invention: as shown in fig. 4, the energy-saving bank bridge with the traversing reduction box counterweight comprises a bank bridge supporting structure 1, two parallel bank bridge girders 2 arranged on the bank bridge supporting structure 1, an upper trolley 3 and a lower trolley 4 walking on the bank bridge girders 2, an upper trolley lifting appliance 5, a lower trolley lifting appliance 6 and a bank bridge machine room 7 arranged above the bank bridge girders 2. The containers hung by the upper trolley 3, the upper trolley hanger 5 and the upper trolley hanger 5 can pass through the frame of the lower trolley 4, and the upper trolley 3 and the lower trolley 4 work simultaneously, so that the loading and unloading efficiency of the containers is greatly improved.

As shown in fig. 1, the embodiment further includes an upper trolley energy-saving lifting system and a lower trolley energy-saving lifting system. As shown in fig. 2, the upper trolley energy-saving lifting system in this embodiment includes an upper trolley energy-saving mechanism, an upper trolley lifting mechanism, an upper trolley energy-saving wire rope 8, an upper trolley lifting wire rope 9, and an upper trolley balancing component 10. The upper trolley energy-saving mechanism is in transmission connection with the upper trolley hoisting mechanism, one end of the upper trolley energy-saving steel wire rope 8 is led out of the upper trolley energy-saving mechanism, and the other end of the upper trolley energy-saving steel wire rope 8 is fixedly connected with the shore bridge supporting structure 1 after bypassing the upper trolley balancing component 10. One end of the upper trolley lifting steel wire rope 9 is led out from the upper trolley lifting mechanism, the other end of the upper trolley lifting steel wire rope 9 extends to the upper trolley lifting appliance 5, and the upper trolley lifting mechanism and the upper trolley lifting steel wire rope 9 complete the lifting and descending of the upper trolley lifting appliance 5. The torque acted on the upper trolley hoisting mechanism by the upper trolley hoisting steel wire rope 9 by the upper trolley hoisting tool 5 is opposite to the torque acted on the upper trolley energy-saving mechanism by the upper trolley balancing component 10 by the upper trolley energy-saving steel wire rope 8, and part of energy consumption of hoisting the container by the upper trolley hoisting tool 5 is offset by the opposite torque, so that energy conservation and consumption reduction are realized.

As shown in fig. 3, the lower trolley energy-saving hoisting system in this embodiment includes a lower trolley energy-saving mechanism, a lower trolley hoisting mechanism, a lower trolley energy-saving wire rope 11, a lower trolley hoisting wire rope 12, and a lower trolley balancing component 13, where the lower trolley energy-saving mechanism is in transmission connection with the lower trolley hoisting mechanism, one end of the lower trolley energy-saving wire rope 11 is led out from the lower trolley energy-saving mechanism, and the other end of the lower trolley energy-saving wire rope 11 bypasses the lower trolley balancing component 13 and then is fixedly connected with the shore bridge supporting structure 1. One end of the lower trolley lifting steel wire rope 12 is led out from the lower trolley lifting mechanism, and the other end of the lower trolley lifting steel wire rope 12 extends to the lower trolley lifting appliance 6 to finish the ascending and descending actions of the lower trolley lifting appliance 6. The torque acted on the lower trolley lifting mechanism by the lower trolley lifting wire rope 12 by the lower trolley lifting sling 6 is opposite to the torque acted on the lower trolley energy-saving mechanism by the lower trolley balancing component 13 through the lower trolley energy-saving wire rope 11, and the energy consumption for lifting the lower trolley lifting sling 6 is reduced.

As shown in fig. 1 and 2, the upper trolley energy saving mechanism in this embodiment includes an upper trolley balance reduction box 14 and an upper trolley balance reel 15, the upper trolley lifting mechanism includes an upper trolley lifting motor 16, an upper trolley lifting reduction box 17 and an upper trolley lifting reel 18, and the upper trolley balance assembly 10 includes an upper trolley balance weight 19 and an upper trolley balance movable pulley 20 fixed on the upper trolley balance weight 19. The upper trolley lifting motor 16 in the embodiment is in transmission connection with the upper trolley lifting reduction gearbox 17 and the upper trolley lifting drum 18 in sequence, and the upper trolley lifting motor 16 provides power to drive the upper trolley lifting drum 18 to rotate so as to realize the lifting or descending of the upper trolley lifting appliance 5. The upper trolley lifting winding drum 18 is connected with the upper trolley balance reduction gearbox 14 and the upper trolley balance winding drum 15 in a transmission mode in sequence to drive the upper trolley balance winding drum 15 to rotate. One end of the upper trolley energy-saving steel wire rope 8 is wound on the upper trolley balance winding drum 15, the other end of the upper trolley energy-saving steel wire rope 8 is fixedly connected with the shore bridge supporting structure 1 after bypassing the upper trolley balance movable pulley 20, and the upper trolley balance assembly 10 moves up and down under the driving of the upper trolley energy-saving steel wire rope 8. One end of the upper trolley lifting steel wire rope 9 is wound on the upper trolley lifting winding drum 18, and the other end of the upper trolley lifting steel wire rope 9 extends to the upper trolley lifting appliance 5.

As shown in fig. 3, the lower trolley energy-saving mechanism in this embodiment includes a lower trolley balance reduction box 21 and a lower trolley balance reel 22, the lower trolley lifting mechanism includes a lower trolley lifting motor 23, a lower trolley lifting reduction box 24 and a lower trolley lifting reel 25, and the lower trolley balance assembly 13 includes a lower trolley balance weight 26 and a lower trolley balance movable pulley 27 fixedly disposed on the lower trolley balance weight 26. The lower trolley lifting motor 23 is in transmission connection with the lower trolley lifting reduction box 24 and the lower trolley lifting winding drum 25 in sequence, and the lower trolley lifting winding drum 25 is in transmission connection with the lower trolley balance reduction box 21 and the lower trolley balance winding drum 22 in sequence. One end of the lower trolley energy-saving steel wire rope 11 is wound on the lower trolley balance winding drum 22, and the other end of the lower trolley energy-saving steel wire rope 11 bypasses the lower trolley balance movable pulley 27 and then is fixedly connected with the shore bridge supporting structure 1. One end of the lower trolley lifting steel wire rope 12 is wound on the lower trolley lifting winding drum 25, and the other end of the lower trolley lifting steel wire rope 12 extends to the lower trolley lifting appliance 6.

As shown in fig. 1, the energy-saving steel wire rope system further includes a direction-changing pulley block 28, the direction-changing pulley block 28 is fixedly disposed on the shore bridge supporting structure 1, the upper trolley energy-saving steel wire rope 8 passes through the direction-changing pulley block 28 and then extends to the upper trolley balance movable pulley 20, the lower trolley energy-saving steel wire rope 11 passes through the direction-changing pulley block 28 and then extends to the lower trolley balance movable pulley 27, and the direction-changing steel wire rope system is convenient for arrangement of the upper trolley energy-saving lifting system and the lower trolley energy-saving lifting system.

As shown in fig. 2 and 5, in this embodiment, the number of the upper trolley lifting motor 16, the upper trolley lifting drum 18 and the upper trolley lifting wire rope 9 is two, the two upper trolley lifting drums 18 are located on two sides of the upper trolley lifting reduction gearbox 17, the two upper trolley lifting drums 18 are coaxially arranged, one upper trolley lifting wire rope 9 is wound on each upper trolley lifting drum 18, one ends of the two upper trolley lifting wire ropes 9, which are far away from the upper trolley lifting drum 18, extend to two sides of the upper trolley lifting appliance 5, which are close to the two shore bridge girders 2, and the two upper trolley lifting drums 18 and the two upper trolley lifting wire ropes 9 jointly act to ensure that two sides of the upper trolley lifting appliance 5 can be lifted simultaneously, and the speeds are the same, so that the upper trolley lifting appliance 5 is prevented from inclining, and stable operation. The upper trolley energy-saving mechanism, the upper trolley energy-saving steel wire rope 8 and the upper trolley balance assembly 10 are respectively provided with two parts and are symmetrically arranged at two sides of the upper trolley lifting reduction box 17, so that the situation that the crossing type shore bridge is too heavy at one side and unstable in stress to influence the structure safety is prevented.

As shown in fig. 3 and 6, the number of the lower trolley hoisting mechanisms and the number of the lower trolley hoisting steel wire ropes 12 in the embodiment are two, the two lower trolley hoisting mechanisms are arranged by taking the axes of the two shore bridge girders 2 as an axis, one lower trolley hoisting steel wire rope 12 is wound on the lower trolley hoisting drum 25 in each lower trolley hoisting mechanism, and one end of each of the two lower trolley hoisting steel wire ropes 12, which is far away from the lower trolley hoisting drum 25, extends to two sides of the lower trolley lifting appliance 6, which are close to the two shore bridge girders 2. The lower trolley 4 in the embodiment runs on the outer sides of the two shore bridge girders 2, and the width of the lower trolley 4 is larger, so that two lower trolley hoisting mechanisms are arranged in the embodiment to complete the lifting control of two sides of the lower trolley lifting appliance 6. The lower trolley energy-saving mechanism, the lower trolley energy-saving steel wire rope 11 and the lower trolley balance assembly 13 are respectively two and are symmetrically arranged on two sides of the axis of the two parallel shore bridge girders 2.

Example 2 of the invention: as shown in fig. 4, the energy-saving bank bridge with the traversing reduction box counterweight comprises a bank bridge supporting structure 1, two parallel bank bridge girders 2 arranged on the bank bridge supporting structure 1, an upper trolley 3 and a lower trolley 4 walking on the bank bridge girders 2, an upper trolley lifting appliance 5, a lower trolley lifting appliance 6 and a bank bridge machine room 7 arranged above the bank bridge girders 2. The containers hung by the upper trolley 3, the upper trolley hanger 5 and the upper trolley hanger 5 can pass through the frame of the lower trolley 4, and the upper trolley 3 and the lower trolley 4 work simultaneously, so that the loading and unloading efficiency of the containers is greatly improved.

In this embodiment, the torque of the two upper trolley balance assemblies 10 acting on the upper trolley balance drum 15 through the upper trolley energy-saving steel wire rope 8 is equal to the torque of the upper trolley lifting appliance 5 and the torque of the lifted empty container acting on the upper trolley lifting drum 18 through the upper trolley lifting steel wire rope 9. The torque of the lower trolley balance component 13 acting on the lower trolley balance winding drum 22 through the lower trolley energy-saving steel wire rope 11 is equal to the torque of the lower trolley lifting appliance 6 and the suspended empty container acting on the lower trolley lifting winding drum 25 through the lower trolley lifting steel wire rope 12. The upper trolley balance assembly 10 and the lower trolley balance assembly 13 in the embodiment have two components, and the two components jointly act to offset part of energy consumption for lifting the containers by the upper trolley lifting appliance 5 and the lower trolley lifting appliance 6.

Example 3 of the invention: as shown in fig. 4, the energy-saving bank bridge with the traversing reduction box counterweight comprises a bank bridge supporting structure 1, two parallel bank bridge girders 2 arranged on the bank bridge supporting structure 1, an upper trolley 3 and a lower trolley 4 walking on the bank bridge girders 2, an upper trolley lifting appliance 5, a lower trolley lifting appliance 6 and a bank bridge machine room 7 arranged above the bank bridge girders 2. The containers hung by the upper trolley 3, the upper trolley hanger 5 and the upper trolley hanger 5 can pass through the frame of the lower trolley 4, and the upper trolley 3 and the lower trolley 4 work simultaneously, so that the loading and unloading efficiency of the containers is greatly improved.

In this embodiment, the torque of the two upper trolley balance assemblies 10 acting on the upper trolley balance drum 15 through the upper trolley energy-saving steel wire rope 8 is equal to the torque of the upper trolley lifting appliance 5 and the torque of the lifted empty container acting on the upper trolley lifting drum 18 through the upper trolley lifting steel wire rope 9. The torque of the two lower trolley balance components 13 acting on the lower trolley balance winding drum 22 through the lower trolley energy-saving steel wire rope 11 is equal to the torque of the lower trolley lifting appliance 6 and the suspended empty container acting on the lower trolley lifting winding drum 25 through the lower trolley lifting steel wire rope 12. The upper trolley balance assembly 10 and the lower trolley balance assembly 13 in the embodiment have two components, and the two components jointly act to offset part of energy consumption for lifting the containers by the upper trolley lifting appliance 5 and the lower trolley lifting appliance 6.

As shown in fig. 1, since the crossing shore bridge is disposed at a port and a pier, and is susceptible to environmental factors, in order to prevent the upper trolley balance assembly 10 and the lower trolley balance assembly 13 from shaking and colliding with the shore bridge support structure 1, the two upper trolley balance assemblies 10 and the two lower trolley balance assemblies 13 in this embodiment are both located in the cavity of the shore bridge support structure 1, so as to weaken environmental impact and protect the shore bridge structure.

The upper trolley energy-saving mechanism, the upper trolley lifting mechanism, the lower trolley energy-saving mechanism and the lower trolley lifting mechanism in the embodiment are uniformly distributed in the bank bridge machine room 7, the bank bridge machine room 7 is horizontally and symmetrically arranged above the bank bridge girders 2 by taking the axes of the two parallel bank bridge girders 2 as axes, and the upper trolley lifting mechanism and the two upper trolley energy-saving mechanisms are symmetrically arranged on two sides of the axes of the two parallel bank bridge girders 2, so that the gravity center stability and the stress balance of the bank bridge machine room 7 are ensured, and the influence on the stability of the bank bridge machine room 7 and the whole crossing type bank bridge caused by the inclination is avoided.

As shown in fig. 6, in this embodiment, in order to ensure that the lifting speeds of both sides of the lower trolley lifting device 6 are the same, a floating coupling 29 is further provided, and both ends of the floating coupling 29 are respectively in transmission connection with the lower trolley lifting reduction boxes 24 in the two lower trolley lifting mechanisms, so as to ensure that the rotating speeds of the lower trolley lifting drums 25 in the two lower trolley lifting mechanisms are the same.

Example 4 of the invention: as shown in fig. 4, the energy-saving bank bridge with the traversing reduction box counterweight comprises a bank bridge supporting structure 1, two parallel bank bridge girders 2 arranged on the bank bridge supporting structure 1, an upper trolley 3 and a lower trolley 4 walking on the bank bridge girders 2, an upper trolley lifting appliance 5, a lower trolley lifting appliance 6 and a bank bridge machine room 7 arranged above the bank bridge girders 2. The containers hung by the upper trolley 3, the upper trolley hanger 5 and the upper trolley hanger 5 can pass through the frame of the lower trolley 4, and the upper trolley 3 and the lower trolley 4 work simultaneously, so that the loading and unloading efficiency of the containers is greatly improved.

As shown in fig. 7, the number of the upper trolley lifting motor 16, the upper trolley lifting drum 18 and the upper trolley lifting wire rope 9 in this embodiment is two, the two upper trolley lifting drums 18 are located on two sides of the upper trolley lifting reduction box 17, the two upper trolley lifting drums 18 are coaxially arranged, one upper trolley lifting wire rope 9 is wound on each upper trolley lifting drum 18, one ends of the two upper trolley lifting wire ropes 9, which are far away from the upper trolley lifting drums 18, extend to two sides of the upper trolley lifting appliance 5, which are close to the two shore bridge girders 2, and the two upper trolley lifting drums 18 and the two upper trolley lifting wire ropes 9 jointly act to ensure that two sides of the upper trolley lifting appliance 5 can be lifted simultaneously, and the speeds are the same, so that the upper trolley lifting appliance 5 is prevented from inclining, and stable operation. The upper trolley energy-saving mechanism and the upper trolley energy-saving steel wire rope 8 are respectively provided with two and are symmetrically arranged at two sides of the upper trolley lifting reduction gearbox 17. The upper trolley balance assembly 10 is one in all, the upper trolley balance assembly 10 comprises an upper trolley balance weight 19 and two upper trolley balance movable pulleys 20, and the two upper trolley balance movable pulleys 20 are coaxially fixed on the upper trolley balance weight 19. Each upper trolley energy-saving steel wire rope 8 is led out from an upper trolley balance winding drum 15 in different upper trolley energy-saving mechanisms, and the two upper trolley balance winding drums 15 respectively control one upper trolley energy-saving steel wire rope 8. The two upper trolley energy-saving steel wire ropes 8 extend to the upper trolley balance movable pulley 20 after being redirected by the redirection pulley block 28, and the two upper trolley energy-saving steel wire ropes 8 are fixedly connected with the shore bridge supporting structure 1 after respectively bypassing one upper trolley balance movable pulley 20. An upper trolley balance component 10 moves under the combined action of two upper trolley energy-saving steel wire ropes 8, and the upper trolley balance component 10 is arranged on one side of the shore bridge girder 2.

As shown in fig. 7, in the present embodiment, two lower trolley hoisting mechanisms and two lower trolley hoisting steel cables 12 are provided, the two lower trolley hoisting mechanisms are arranged axisymmetrically with respect to the axes of the two shore bridge girders 2, one lower trolley hoisting steel cable 12 is wound around the lower trolley hoisting drum 25 in each lower trolley hoisting mechanism, and one end of each of the two lower trolley hoisting steel cables 12, which is far away from the lower trolley hoisting drum 25, extends to both sides of the lower trolley spreader 6, which are close to the two shore bridge girders 2. The lower trolley 4 in the embodiment runs on the outer sides of the two shore bridge girders 2, and the width of the lower trolley 4 is larger, so that two lower trolley hoisting mechanisms are arranged in the embodiment to complete the lifting control of two sides of the lower trolley lifting appliance 6. In this embodiment, one lower trolley balancing assembly 13 is also provided, the lower trolley balancing assembly 13 includes a lower trolley balancing weight 26 and two lower trolley balancing movable pulleys 27, and the two lower trolley balancing movable pulleys 27 are coaxially fixed on the lower trolley balancing weight 26. In this embodiment, each lower trolley energy-saving steel wire rope 11 is led out from a lower trolley balance winding drum 22 in different lower trolley energy-saving mechanisms, is redirected by a redirection pulley block 28 and then extends to a lower trolley balance movable pulley 27, two lower trolley energy-saving steel wire ropes 11 are respectively wound around one lower trolley balance movable pulley 27 and then are fixedly connected with the shore bridge supporting structure 1, the two lower trolley energy-saving steel wire ropes 11 drive one lower trolley balance assembly 13 to move together, and as shown in fig. 7, the lower trolley balance assembly 13 is arranged on the other side of the upper trolley balance assembly 10 on two parallel shore bridge girders 2.

In this embodiment, the torque of the upper trolley balance assembly 10 acting on the upper trolley balance drum 15 through the upper trolley energy-saving steel wire rope 8 is equal to the torque of the upper trolley lifting appliance 5 and the torque of the lifted empty container acting on the upper trolley lifting drum 18 through the upper trolley lifting steel wire rope 9. The torque of a lower trolley balance component 13 acting on a lower trolley balance winding drum 22 through a lower trolley energy-saving steel wire rope 11 is equal to the torque of a lower trolley lifting appliance 6 and a lifted empty container acting on a lower trolley lifting winding drum 25 through a lower trolley lifting steel wire rope 12.

The working principle of the invention is as follows: the energy-saving lifting system of the upper trolley and the energy-saving lifting system of the lower trolley run independently without interference, and can work normally when only one trolley is started.

Claims

1. The utility model provides a pass through energy-conserving bank bridge of formula reducing gear box counterweight, includes bank bridge bearing structure (1), locates two parallel bank bridge girders (2) on bank bridge bearing structure (1), walks last dolly (3) and dolly (4) down on bank bridge girder (2), goes up dolly hoist (5), lower dolly hoist (6) and locate bank bridge machine room (7) of bank bridge girder (2) top, its characterized in that: the energy-saving hoisting system of the upper trolley comprises an energy-saving mechanism of the upper trolley, a hoisting mechanism of the upper trolley, an energy-saving steel wire rope (8) of the upper trolley, a hoisting steel wire rope (9) of the upper trolley and an upper trolley balance component (10), wherein the energy-saving mechanism of the upper trolley is in transmission connection with the hoisting mechanism of the upper trolley, one end of the energy-saving steel wire rope (8) of the upper trolley is led out from the energy-saving mechanism of the upper trolley, and the other end of the energy-saving steel wire rope (8) of the upper trolley is fixedly connected with the shore bridge supporting structure (1) after bypassing the upper trolley balance component (10); one end of the upper trolley lifting steel wire rope (9) is led out from the upper trolley lifting mechanism, the other end of the upper trolley lifting steel wire rope (9) extends to the upper trolley lifting appliance (5), and the torque of the upper trolley lifting mechanism acted by the upper trolley lifting appliance (5) through the upper trolley lifting steel wire rope (9) is opposite to the torque of the upper trolley energy-saving mechanism acted by the upper trolley balancing component (10) through the upper trolley energy-saving steel wire rope (8);

the lower trolley energy-saving lifting system comprises a lower trolley energy-saving mechanism, a lower trolley lifting mechanism, a lower trolley energy-saving steel wire rope (11), a lower trolley lifting steel wire rope (12) and a lower trolley balancing component (13), wherein the lower trolley energy-saving mechanism is in transmission connection with the lower trolley lifting mechanism, one end of the lower trolley energy-saving steel wire rope (11) is led out from the lower trolley energy-saving mechanism, and the other end of the lower trolley energy-saving steel wire rope (11) is fixedly connected with the shore bridge supporting structure (1) after bypassing the lower trolley balancing component (13); one end of the lower trolley lifting steel wire rope (12) is led out from the lower trolley lifting mechanism, the other end of the lower trolley lifting steel wire rope (12) extends to the lower trolley lifting appliance (6), and the torque of the lower trolley lifting mechanism acted by the lower trolley lifting steel wire rope (12) of the lower trolley lifting appliance (6) is opposite to the torque of the lower trolley energy-saving mechanism acted by the lower trolley balance assembly (13) through the lower trolley energy-saving steel wire rope (11).

2. The traversing reduction gearbox counterweight energy-saving shore bridge according to claim 1, wherein: the upper trolley energy-saving mechanism comprises an upper trolley balance reduction gearbox (14) and an upper trolley balance winding drum (15), the upper trolley lifting mechanism comprises an upper trolley lifting motor (16), an upper trolley lifting reduction gearbox (17) and an upper trolley lifting winding drum (18), the upper trolley balance assembly (10) comprises an upper trolley balance weight (19) and an upper trolley balance movable pulley (20) fixedly arranged on the upper trolley balance weight (19), the upper trolley lifting motor (16) is sequentially in transmission connection with the upper trolley lifting reduction gearbox (17) and the upper trolley lifting winding drum (18), and the upper trolley lifting winding drum (18) is sequentially in transmission connection with the upper trolley balance reduction gearbox (14) and the upper trolley balance winding drum (15); one end of the upper trolley energy-saving steel wire rope (8) is wound on the upper trolley balance winding drum (15), and the other end of the upper trolley energy-saving steel wire rope (8) is fixedly connected with the shore bridge supporting structure (1) after bypassing the upper trolley balance movable pulley (20); one end of the upper trolley lifting steel wire rope (9) is wound on the upper trolley lifting winding drum (18), and the other end of the upper trolley lifting steel wire rope (9) extends to the upper trolley lifting appliance (5).

3. The traversing reduction gearbox counterweight energy-saving shore bridge according to claim 2, wherein: the lower trolley energy-saving mechanism comprises a lower trolley balance reduction gearbox (21) and a lower trolley balance winding drum (22), the lower trolley lifting mechanism comprises a lower trolley lifting motor (23), a lower trolley lifting reduction gearbox (24) and a lower trolley lifting winding drum (25), the lower trolley balance assembly (13) comprises a lower trolley balance weight (26) and a lower trolley balance movable pulley (27) fixedly arranged on the lower trolley balance weight (26), the lower trolley lifting motor (23) is sequentially in transmission connection with the lower trolley lifting reduction gearbox (24) and the lower trolley lifting winding drum (25), and the lower trolley lifting winding drum (25) is sequentially in transmission connection with the lower trolley balance reduction gearbox (21) and the lower trolley balance winding drum (22); one end of the lower trolley energy-saving steel wire rope (11) is wound on the lower trolley balance winding drum (22), and the other end of the lower trolley energy-saving steel wire rope (11) is fixedly connected with the shore bridge supporting structure (1) after bypassing the lower trolley balance movable pulley (27); one end of the lower trolley lifting steel wire rope (12) is wound on the lower trolley lifting winding drum (25), and the other end of the lower trolley lifting steel wire rope (12) extends to the lower trolley lifting appliance (6).

4. The traversing reduction gearbox counterweight energy-saving shore bridge according to claim 3, wherein: the energy-saving steel wire rope winding machine is characterized by further comprising a direction-changing pulley block (28), wherein the direction-changing pulley block (28) is fixedly arranged on the shore bridge supporting structure (1), the energy-saving steel wire rope (8) of the upper trolley bypasses the direction-changing pulley block (28) and then extends to the balance movable pulley (20) of the upper trolley, and the energy-saving steel wire rope (11) of the lower trolley bypasses the direction-changing pulley block (28) and then extends to the balance movable pulley (27) of the lower trolley.

5. The traversing reduction gearbox counterweight energy-saving shore bridge according to claim 4, wherein: the crane comprises an upper trolley lifting motor (16), two upper trolley lifting drums (18) and two upper trolley lifting steel wire ropes (9), wherein the two upper trolley lifting drums (18) are positioned on two sides of an upper trolley lifting reduction box (17), the two upper trolley lifting drums (18) are coaxially arranged, one upper trolley lifting steel wire rope (9) is wound on each upper trolley lifting drum (18), and one ends of the two upper trolley lifting steel wire ropes (9), far away from the upper trolley lifting drums (18), extend to the two sides, close to the two shore bridge girders (2), of an upper trolley lifting appliance (5) respectively; the two upper trolley energy-saving mechanisms, the two upper trolley energy-saving steel wire ropes (8) and the two upper trolley balancing assemblies (10) are respectively arranged at two sides of the upper trolley lifting reduction box (17) symmetrically;

the two lower trolley hoisting mechanisms and the two lower trolley hoisting steel wire ropes (12) are arranged in an axisymmetric manner by taking the axes of the two shore bridge girders (2) as axes, a lower trolley hoisting steel wire rope (12) is wound on a lower trolley hoisting drum (25) in each lower trolley hoisting mechanism, and one end of each lower trolley hoisting steel wire rope (12) far away from the lower trolley hoisting drum (25) extends to the two sides of the lower trolley lifting appliance (6) close to the two shore bridge girders (2) respectively; the lower trolley energy-saving mechanism, the lower trolley energy-saving steel wire rope (11) and the lower trolley balance assembly (13) are also two and are symmetrically arranged on two sides of the axis of the two parallel shore bridge girders (2).

6. The traversing reduction gearbox counterweight energy-saving shore bridge according to claim 4, wherein: the crane comprises an upper trolley lifting motor (16), two upper trolley lifting drums (18) and two upper trolley lifting steel wire ropes (9), wherein the two upper trolley lifting drums (18) are positioned on two sides of an upper trolley lifting reduction box (17), the two upper trolley lifting drums (18) are coaxially arranged, one upper trolley lifting steel wire rope (9) is wound on each upper trolley lifting drum (18), and one ends of the two upper trolley lifting steel wire ropes (9), far away from the upper trolley lifting drums (18), extend to the two sides, close to the two shore bridge girders (2), of an upper trolley lifting appliance (5) respectively; the energy-saving mechanism of the upper trolley and the energy-saving steel wire rope (8) of the upper trolley are respectively provided with two and are symmetrically arranged at two sides of the lifting reduction box (17) of the upper trolley, the balance components (10) of the upper trolley are one in total, the balance components (10) of the upper trolley comprise an upper trolley balance weight (19) and two upper trolley balance movable pulleys (20), and the two upper and lower trolley balance movable pulleys (20) are coaxially fixed on the upper trolley balance weight (19); each upper trolley energy-saving steel wire rope (8) is led out from an upper trolley balance winding drum (15) in different upper trolley energy-saving mechanisms, is redirected by a redirection pulley block (28) and then extends to an upper trolley balance movable pulley (20), and the two upper trolley energy-saving steel wire ropes (8) are fixedly connected with the shore bridge supporting structure (1) after respectively bypassing one upper trolley balance movable pulley (20);

the two lower trolley hoisting mechanisms and the two lower trolley hoisting steel wire ropes (12) are arranged in an axisymmetric manner by taking the axes of the two shore bridge girders (2) as axes, a lower trolley hoisting steel wire rope (12) is wound on a lower trolley hoisting drum (25) in each lower trolley hoisting mechanism, and one end of each lower trolley hoisting steel wire rope (12) far away from the lower trolley hoisting drum (25) extends to the two sides of the lower trolley lifting appliance (6) close to the two shore bridge girders (2) respectively; the lower trolley energy-saving mechanism and the lower trolley energy-saving steel wire rope (11) are respectively provided with two lower trolley energy-saving mechanisms and two lower trolley energy-saving steel wire ropes, and are symmetrically arranged on two sides of the axis of the two parallel shore bridge girders (2), the lower trolley balancing components (13) are one in total, each lower trolley balancing component (13) comprises a lower trolley balancing weight (26) and two lower trolley balancing movable pulleys (27), and the two lower trolley balancing movable pulleys (27) are coaxially fixed on the lower trolley balancing weight (26); each lower trolley energy-saving steel wire rope (11) is led out from a lower trolley balance winding drum (22) in different lower trolley energy-saving mechanisms, is redirected by a redirection pulley block (28) and then extends to a lower trolley balance movable pulley (27), and the two lower trolley energy-saving steel wire ropes (11) are fixedly connected with the shore bridge supporting structure (1) after respectively bypassing one lower trolley balance movable pulley (27).

7. The traversing reduction gearbox counterweight energy-saving shore bridge according to claim 5 or 6, wherein: the torque of the upper trolley balance assembly (10) acting on the upper trolley balance winding drum (15) through the upper trolley energy-saving steel wire rope (8) is equal to the torque of the upper trolley lifting appliance (5) and the suspended empty container acting on the upper trolley lifting winding drum (18) through the upper trolley lifting steel wire rope (9); the torque of the lower trolley balance assembly (13) acting on the lower trolley balance winding drum (22) through the lower trolley energy-saving steel wire rope (11) is equal to the torque of the lower trolley lifting appliance (6) and the suspended empty container acting on the lower trolley lifting winding drum (25) through the lower trolley lifting steel wire rope (12).

8. The traversing reduction gearbox counterweight energy-saving shore bridge according to claim 5 or 6, wherein: the upper trolley balance assembly (10) and the lower trolley balance assembly (13) are both positioned in a cavity of the shore bridge supporting structure (1).

9. The traversing reduction gearbox counterweight energy-saving shore bridge according to claim 5 or 6, wherein: go up dolly energy-saving mechanism, go up dolly hoisting mechanism, lower dolly energy-saving mechanism and dolly hoisting mechanism equipartition down and arrange bank bridge computer lab (7) in, bank bridge computer lab (7) use the axis of two parallel bank bridge girders (2) as the axle level symmetry and locate bank bridge girder (2) top, go up dolly hoisting mechanism and two and go up dolly energy-saving mechanism symmetrical arrangement in the both sides of two parallel bank bridge girders (2) axis.

10. The traversing reduction gearbox counterweight energy-saving shore bridge according to claim 5 or 6, wherein: the device is characterized by further comprising a floating coupling (29), wherein two ends of the floating coupling (29) are in transmission connection with lower trolley lifting reduction boxes (24) in the two lower trolley lifting mechanisms respectively.