CN211444746U

CN211444746U - Vibration avoiding system for high-speed shore bridge trolley

Info

Publication number: CN211444746U
Application number: CN201921866364.2U
Authority: CN
Inventors: 赵迎九; 肖强; 郭树旺; 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: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-09-08
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a keep away system that shakes for high-speed bank bridge dolly, keep away system that shakes, prevent the eccentric wheel and keep away system that shakes and traction wheel including bank bridge dolly frame, wheel, the system that shakes is kept away to the wheel includes that dolly wheel and wheel keep away the device that shakes, prevents the eccentric wheel and keep away the system that shakes and keep away the device that shakes including preventing eccentric wheel, preventing eccentric wheel support and preventing the eccentric wheel, and the traction wheel is kept away the system that shakes and is included traction wheel, traction wheel support and traction wheel and keeps away the device that shakes. The utility model discloses the bank bridge dolly that has weakened high-speed motion makes bank bridge dolly even running in the direction that the perpendicular to bank bridge girder extends and the vibration range of this three direction of vertical direction in the direction that the bank bridge girder extends, horizontal plane, weakens bank bridge dolly and bank bridge girder's extrusion collision, has prolonged the life of bank bridge dolly and bank bridge structure, has created the condition for bank bridge dolly further accelerates, has improved the efficiency of bank bridge loading and unloading container.

Description

Vibration avoiding system for high-speed shore bridge trolley

Technical Field

The utility model relates to a port and pier container handling equipment technical field, especially a system of keeping away shakes for high-speed bank bridge dolly.

Background

The shore bridge is used as the most important container loading and unloading equipment of the port and the wharf, and the loading and unloading efficiency directly influences the working efficiency and the operation cost of the port and the wharf. The quay crane finishes the hoisting, transferring and placing of containers by utilizing a trolley moving along a quay crane girder, the loading and unloading efficiency of the quay crane is directly related to the running speed of a quay crane trolley along the quay crane girder and the running speed of a quay crane trolley lifting appliance along the vertical direction, and the quay crane trolley is accelerated for many times.

The functioning speed of bank bridge dolly receives the influence of multiple factor, and bank bridge dolly itself is great, and the gauge is big, and the bank bridge is the cantilever structure of both ends outside extension simultaneously, and the bank bridge dolly operation can be because of the influence emergence vibration of factors such as start-up braking, hoist take off and land, inertial load and external environment, and when the functioning speed of bank bridge dolly and bank bridge dolly hoist was too fast, the range of vibration strengthened, can't guarantee bank bridge operation safety. The bank bridge trolley vibrates too much and can lead to repeated collision of the bank bridge trolley with the bank bridge girder and the bank bridge structure, the track of the bank bridge trolley is abraded and extruded, the service life of the bank bridge is seriously influenced, and the potential safety hazard is increased. At present, the movement speed of a shore bridge trolley along a shore bridge girder is increased to 240m/min, the lifting speed of a shore bridge trolley lifting appliance in the vertical direction under a heavy-load condition is increased to 75m/min, but the speed of the shore bridge trolley reaches the limit and cannot be increased continuously under the existing shore bridge structure and working environment.

When the shore bridge trolley runs at a high speed, the vibration conditions are mainly divided into three types, namely vibration along the extending direction of the shore bridge girder, vibration perpendicular to the extending direction of the shore bridge girder in the horizontal plane and vibration in the vertical direction, so that a system capable of controlling and weakening the vibration amplitude of the shore bridge trolley in the three directions needs to be developed, and conditions are provided for accelerating the shore bridge trolley.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a system of keeping away shakes for high-speed bank bridge dolly, the vibration that can effective control bank bridge dolly take place when high-speed motion weakens the vibration range of bank bridge dolly from three direction, protects bank bridge dolly and bank bridge structure, for improving bank bridge dolly functioning speed and bank bridge dolly hoist lifting speed provide the condition, and then improves the work efficiency of bank bridge.

In order to solve the technical problem, the utility model discloses a following technical scheme: a vibration-avoiding system for a high-speed bank bridge trolley comprises a bank bridge trolley frame, a wheel vibration-avoiding system, a deflection-preventing wheel vibration-avoiding system and a traction wheel vibration-avoiding system. The wheel vibration-proof system comprises trolley wheels and a wheel vibration-proof device, one end of the wheel vibration-proof device is fixedly connected with a bank bridge trolley frame, and the other end of the wheel vibration-proof device is fixedly connected with a rotating shaft of the trolley wheels. The anti-deviation wheel vibration-avoiding system comprises an anti-deviation wheel, an anti-deviation wheel support and an anti-deviation wheel vibration-avoiding device, wherein the anti-deviation wheel is fixedly arranged in the anti-deviation wheel support, one end of the anti-deviation wheel vibration-avoiding device is fixedly connected with a bank bridge trolley frame, and the other end of the anti-deviation wheel vibration-avoiding device is fixedly connected with the anti-deviation wheel support. The traction wheel vibration-avoiding system comprises a traction wheel, a traction wheel support and a traction wheel vibration-avoiding device, the traction wheel support is connected with a rotating shaft of the traction wheel, one end of the traction wheel vibration-avoiding device is fixedly connected with a bank bridge trolley frame, and the other end of the traction wheel vibration-avoiding device is fixedly connected with the traction wheel support.

When bank bridge dolly moves, dolly wheel and prevent that the eccentric wheel is direct and the track contact on the bank bridge girder, the speed of bank bridge dolly is faster, is difficult to the steadiness more, and the track on dolly wheel and the anti-eccentric wheel and the bank bridge girder bumps the extrusion, can aggravate the vibration range of bank bridge dolly, threatens the operation safety of bank bridge dolly. The utility model provides a dolly wheel with prevent that the eccentric wheel is not direct and bank bridge dolly frame fixed connection, but keep away the device and be connected with bank bridge dolly frame through the wheel, the wheel keeps away the device that shakes and prevents the eccentric wheel and keeps away the device that shakes and play the cushioning effect, makes the vibration of bank bridge dolly tend to stably, finally keeps even running, realizes the damping and keeps away the effect that shakes. Traction wire rope passes through the traction wheel and drives bank bridge dolly along bank bridge girder motion, and when bank bridge dolly's functioning speed was too fast, because reasons such as start-up braking and traction wire rope deformation, bank bridge dolly can take place to follow the vibration of bank bridge girder extending direction, and then drives the bank bridge dolly hoist of below and sway and rock, influences bank bridge dolly operation safety. The utility model discloses having added the traction wheel between traction wheel and bank bridge dolly frame and having kept away the device that shakes, utilizing the traction wheel to keep away the buffering of device that shakes equally, make bank bridge dolly weaken gradually along the ascending vibration of bank bridge girder extending direction, keep even running.

The bank bridge dolly hoist is through playing to rise wire rope and play to rise the assembly pulley and bank bridge dolly connected of frames, and the speed that bank bridge dolly hoist rises to descend can lead to playing to rise the assembly pulley and take place the ascending vibration of vertical direction too fast, for preventing to rise the assembly pulley and drive whole bank bridge dolly and take place the vibration in vertical direction, leads to the accident that bank bridge dolly topples even, the utility model discloses the system that keeps away shakes is risen to the assembly pulley has been set up, rise the assembly pulley and keep away the system that shakes and keep away the device that shakes including playing to rise the assembly pulley and playing to rise the assembly pulley, rise the assembly pulley and set up with bank bridge dolly frame components of a whole that can function independently, rise the one end and the bank bridge dolly frame fixed connection that the.

When the lifting appliance of the bank bridge trolley finishes lifting and descending actions, the pulling force on the lifting steel wire rope can be changed, the acting force is buffered by the lifting pulley block vibration-preventing device, the relative displacement between the lifting pulley block and the frame of the bank bridge trolley is weakened, the bank bridge trolley runs smoothly, and the running stability of the bank bridge trolley is improved.

In the aforementioned system of keeping away shaking for high-speed bank bridge dolly, wheel keep away the device that shakes and includes connecting seat, oil gas damping, rubber shock absorber and connecting rod, connecting seat and bank bridge dolly frame fixed connection, the one end of oil gas damping and rubber shock absorber is articulated with the connecting seat, and the other end of oil gas damping and rubber shock absorber is through connecting rod fixed connection, and the equal vertical arrangement of oil gas damping and rubber shock absorber, the connecting rod still with the axis of rotation fixed connection of dolly wheel. The acting force between trolley wheel and the bank bridge trolley is along the vertical direction, and the vibration that trolley wheel takes place is also mainly in the vertical direction, therefore the oil gas damping and the vertical arrangement of rubber shock absorber in the wheel vibration preventing device, and when bank bridge trolley takes place the vibration, the wheel vibration preventing device produces the power that suppresses the vibration, makes trolley wheel and bank bridge trolley rail laminating inseparable, bank bridge trolley steady operation. The effect of connecting rod is to prevent that oil gas damping and rubber shock absorber's range of motion is inconsistent, leads to the dolly wheel to take place to rock.

In the vibration avoiding device for the high-speed shore bridge trolley, the anti-deflection wheel vibration avoiding device comprises a connecting seat, an oil-gas damper and a rubber vibration absorber, the connecting seat is fixedly connected with a frame of the shore bridge trolley, one end of the oil-gas damper and the rubber vibration absorber is hinged with the connecting seat, the other end of the oil-gas damper and the rubber vibration absorber is fixedly connected with an anti-deflection wheel support, the oil-gas damper and the rubber vibration absorber are horizontally arranged, and the oil-gas damper and the rubber vibration absorber are perpendicular to the extending direction of a girder of the shore bridge. The arc side of the anti-deviation wheel is abutted against the rail head side of the running track of the bank bridge trolley, and in order to prevent the anti-deviation wheel from being repeatedly extruded with the rail head side of the running track of the bank bridge trolley and cause the bank bridge trolley to generate vibration in the horizontal plane in the direction perpendicular to the extending direction of the bank bridge girder, oil-gas damping and a rubber shock absorber in the anti-deviation wheel vibration avoiding device are horizontally arranged and are perpendicular to the extending direction of the bank bridge girder.

The utility model discloses in traction wheel keep away device that shakes include connecting seat, oil gas damping and rubber shock absorber, connecting seat and bank bridge dolly frame fixed connection, the one end and the connecting seat of oil gas damping and rubber shock absorber are articulated, the other end and the traction wheel support fixed connection of oil gas damping and rubber shock absorber, and the extending direction parallel arrangement of oil gas damping and rubber shock absorber and bank bridge girder. The traction wheel vibration-proof device has the function of preventing the bank bridge trolley from vibrating along the direction of the bank bridge girder, so that the directions of oil-gas damping and the rubber vibration absorber in the traction wheel vibration-proof device are parallel to the extending direction of the bank bridge girder.

The utility model discloses in play to rise assembly pulley and keep away device that shakes include connecting seat, oil gas damping, rubber shock absorber and connecting rod, connecting seat and bank bridge dolly frame fixed connection, the one end of oil gas damping and rubber shock absorber is articulated with the connecting seat, the other end of oil gas damping and rubber shock absorber is through connecting rod fixed connection, and the equal vertical arrangement of oil gas damping and rubber shock absorber, the connecting rod still with play to rise the axis of rotation fixed connection of assembly pulley. The lifting pulley block can lift and descend along with the lifting appliance 1 of the quay crane trolley to move in the vertical direction, so that the oil-gas damping and rubber shock absorber is arranged in the vertical direction.

In the vibration avoiding system for the high-speed shore bridge trolley, the oil-gas damper comprises a piston rod, a piston and a cylinder body, one end of the piston rod is hinged to the connecting seat, the other end of the piston rod is connected with the piston, and the piston is arranged in the cylinder body. The cylinder body comprises an inflation cavity and an oil filling cavity, the inflation cavity is located on one side where the piston is connected with the piston rod, and the oil filling cavity is located on one side, far away from the piston rod, of the piston. When the oil gas damping is stretched or compressed, the piston rod pushes the piston to compress the cylinder body, the pressure intensity in the inflation cavity and the oil filling cavity is changed, acting forces in opposite directions are generated, stretching or compression of the oil gas damping is restrained, and the oil gas damping has the same effect as that of the spiral spring.

In the vibration avoiding system for the high-speed shore bridge trolley, the rubber vibration absorber comprises a spring rod, a rubber spring and a base, one end of the spring rod is hinged to the connecting seat, the other end of the spring rod is connected with the rubber spring, the rubber spring is connected with the base, and the rubber spring is arranged in the base. The utility model discloses an oil gas damping and rubber shock absorber use of mutually supporting, can enough alleviate generating heat that oil gas damping repeated compression leads to, can overcome the problem that rubber shock absorber rigidity is low, and the deflection is big again.

In order to guarantee the stable operation of the bank bridge trolley frame, the number of the wheel vibration prevention devices is equal to that of the trolley wheels, the number of the anti-deflection wheel vibration prevention devices is equal to that of the anti-deflection wheels, the number of the traction wheel vibration prevention devices is equal to that of the traction wheels, and vibration reduction protection is guaranteed to be carried out on each trolley wheel, each anti-deflection wheel and each traction wheel.

Play to rise the assembly pulley and arrange the middle part at bank bridge dolly frame, the utility model provides a play to rise the assembly pulley and set up with bank bridge dolly frame components of a whole that can function independently, for guaranteeing to rise assembly pulley stable in structure, the atress is balanced, need all set up in the play to rise assembly pulley both sides and play to rise the assembly pulley and keep away the device that shakes, play to rise the assembly pulley and keep away the quantity of shaking the device for the twice that rises assembly pulley quantity.

Compared with the prior art, the utility model discloses an useful part lies in: the utility model provides a keep away system of shaking for high-speed bank bridge dolly, the bank bridge dolly that weakens high-speed motion is in the direction that the bank bridge girder extends, the vibration range of the three direction of the direction that the perpendicular to bank bridge girder extends and vertical direction in the horizontal plane, make bank bridge dolly even running, weaken the extrusion collision of bank bridge dolly and bank bridge girder, the life of bank bridge dolly and bank bridge structure has been prolonged, the condition has been created for the further speed-raising of bank bridge dolly, make the bank bridge dolly along the motion speed of bank bridge girder can promote 380m/min, the lifting speed of bank bridge hoist on vertical direction can promote 130m/min, the efficiency of bank bridge loading and unloading container has been improved.

Drawings

FIG. 1 is a top view of the middle quay crane trolley frame of the utility model;

FIG. 2 is a front view of the middle quay crane trolley frame of the utility model;

FIG. 3 is a left side view of the middle quay crane trolley frame of the utility model;

fig. 4 is a top view of the wheel vibration reduction system of the present invention;

fig. 5 is a front view of the wheel vibration damping system of the present invention;

fig. 6 is a left side view of the wheel vibration reduction system of the present invention;

fig. 7 is a top view of the anti-yaw wheel vibration reduction system of the present invention;

fig. 8 is a front view of the anti-yaw wheel vibration reduction system of the present invention;

fig. 9 is a top view of the vibration absorbing system for the middle traction wheel of the present invention;

fig. 10 is a top view of a shock absorbing system for a lifting pulley block of the present invention;

fig. 11 is a front view of a vibration-damping system for a lifting pulley block of the present invention;

fig. 12 is a left side view of the shock absorbing system for the lifting pulley block of the present invention;

FIG. 13 is a schematic structural view of the oil-gas damper of the present invention;

fig. 14 is a schematic structural diagram of the rubber damper of the present invention.

The meaning of the reference numerals: 1-shore bridge trolley frame, 2-wheel vibration-damping system, 3-deflection-preventing wheel vibration-damping system, 4-traction wheel vibration-damping system, 5-trolley wheel, 6-wheel vibration-damping device, 7-deflection-preventing wheel, 8-deflection-preventing wheel support, 9-deflection-preventing wheel vibration-damping device, 10-traction wheel, 11-traction wheel support, 12-traction wheel vibration-damping device, 13-lifting pulley vibration-damping system, 14-lifting pulley block, 15-lifting pulley vibration-damping device, 16-connecting seat, 17-oil-gas damping, 18-rubber vibration damper, 19-connecting rod, 20-piston rod, 21-piston, 22-cylinder, 23-gas-filled cavity, 24-oil-filled cavity, 25-spring rod, 26-rubber spring, 27-base.

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, 2 or 3, the vibration-absorbing system for the high-speed bank bridge trolley comprises a bank bridge trolley frame 1, a wheel vibration-absorbing system 2, a deflection-preventing wheel vibration-absorbing system 3 and a traction wheel vibration-absorbing system 4, wherein the wheel vibration-absorbing system 2 comprises trolley wheels 5 and wheel vibration-absorbing devices 6, one ends of the wheel vibration-absorbing devices 6 are fixedly connected with the bank bridge trolley frame 1, and the other ends of the wheel vibration-absorbing devices 6 are fixedly connected with a rotating shaft of the trolley wheels 5. The anti-deflection wheel vibration-avoiding system 3 comprises an anti-deflection wheel 7, an anti-deflection wheel support 8 and an anti-deflection wheel vibration-avoiding device 9, wherein the anti-deflection wheel 7 is fixedly arranged in the anti-deflection wheel support 8, one end of the anti-deflection wheel vibration-avoiding device 9 is fixedly connected with the bank bridge trolley frame 1, and the other end of the anti-deflection wheel vibration-avoiding device 9 is fixedly connected with the anti-deflection wheel support 8. The traction wheel vibration-avoiding system 4 comprises a traction wheel 10, a traction wheel support 11 and a traction wheel vibration-avoiding device 12, the traction wheel support 11 is connected with a rotating shaft of the traction wheel 10, one end of the traction wheel vibration-avoiding device 12 is fixedly connected with the shore bridge trolley frame 1, and the other end of the traction wheel vibration-avoiding device 12 is fixedly connected with the traction wheel support 11.

As shown in fig. 4, 5 or 6, the wheel vibration-avoiding device 6 in this embodiment includes a connecting seat 16, an oil-gas damper 17, a rubber damper 18 and a connecting rod 19, the connecting seat 16 is fixedly connected with the shore bridge trolley frame 1, one end of the oil-gas damper 17 and one end of the rubber damper 18 are hinged to the connecting seat 16, the other end of the oil-gas damper 17 and the other end of the rubber damper 18 are fixedly connected through the connecting rod 19, the oil-gas damper 17 and the rubber damper 18 are both vertically arranged, and the connecting rod 19 is further fixedly connected with a rotating shaft of the trolley wheel 5. The track of dolly wheel 5 and bank bridge dolly extrudees mutually, and the vibration of bank bridge dolly can lead to 5 orbital pressure changes of bank bridge dolly of dolly wheel, arouses bank bridge dolly spring even, and oil gas damping 17 and the vertical arrangement of rubber shock absorber 18 in the device 6 that shakes are kept away to the wheel, utilize the ascending effort in vertical direction to weaken the orbital pressure change of dolly wheel 5 pair bank bridge dolly, make dolly wheel 5 closely laminate with bank bridge dolly track, bank bridge dolly steady operation. Because this embodiment has adopted oil gas damping 17 and rubber shock absorber 18 simultaneously, for preventing that both deformation are inconsistent, the while is convenient for connect, this embodiment has still set up connecting rod 19, and oil gas damping 17 and rubber shock absorber 18 are fixed through connecting rod 19 to be connected with the pivot axis of dolly wheel 5 through connecting rod 19.

As shown in fig. 7 or fig. 8, the anti-deflection wheel vibration avoiding device 9 in this embodiment includes a connecting base 16, an oil-gas damper 17 and a rubber damper 18, the connecting base 16 is fixedly connected with the frame 1 of the quay crane trolley, one end of the oil-gas damper 17 and one end of the rubber damper 18 are hinged to the connecting base 16, the other end of the oil-gas damper 17 and the other end of the rubber damper 18 are fixedly connected with the anti-deflection wheel bracket 8, the oil-gas damper 17 and the rubber damper 18 are both horizontally arranged, and the oil-gas damper 17 and the rubber damper 18 are perpendicular to the extending direction of the quay crane. The arc side of the anti-deviation wheel 7 is abutted against the rail head side of the bank bridge trolley track to prevent the bank bridge trolley from deviating from the track, the direction of the acting force between the anti-deviation wheel 7 and the bank bridge trolley track is the extending direction which is perpendicular to the bank bridge girder in the horizontal plane, the oil-gas damping 17 and the rubber shock absorber 18 in the anti-deviation wheel shock-absorbing device 9 are arranged along the same direction to weaken the vibration of the bank bridge trolley which is perpendicular to the extending direction of the bank bridge girder in the horizontal plane, and the anti-deviation wheel 7 is prevented from being repeatedly extruded and collided with the bank bridge trolley track.

As shown in fig. 9, the traction wheel vibration damper 12 in this embodiment includes a connection base 16, an oil-gas damper 17 and a rubber damper 18, the connection base 16 is fixedly connected to the frame 1 of the quay crane trolley, one end of the oil-gas damper 17 and one end of the rubber damper 18 are hinged to the connection base 16, the other end of the oil-gas damper 17 and the other end of the rubber damper 18 are fixedly connected to the traction wheel support 11, and the oil-gas damper 17 and the rubber damper 18 are arranged in parallel with the extending direction of the quay crane girder. The traction steel wire rope drives the shore bridge trolley to move along the shore bridge girder through the traction wheel 10, and in order to weaken the vibration amplitude of the shore bridge trolley along the extension direction of the shore bridge girder, the directions of the oil-gas damper 17 and the rubber damper 18 in the traction wheel vibration avoiding device 12 are parallel to the extension direction of the shore bridge girder.

As shown in fig. 13, the oil-gas damper 17 includes a piston rod 20, a piston 21 and a cylinder 22, one end of the piston rod 20 is hinged to the connecting base 16, the other end of the piston rod 20 is connected to the piston 21, and the piston 21 is disposed in the cylinder 22; the cylinder body 22 comprises an inflation cavity 23 and an oil filling cavity 24, the inflation cavity 23 is located on one side of the piston 21 connected with the piston rod 20, and the oil filling cavity 24 is located on one side of the piston 21 far away from the piston rod 20. When the oil gas damper 17 is stretched or compressed, the piston rod 20 pushes the piston 21 to compress the cylinder 22, the pressure in the cylinder 22 changes, and the function of the oil gas damper 17 is the same as that of the spiral spring.

As shown in fig. 14, the rubber damper 18 includes a spring rod 25, a rubber spring 26 and a base 27, wherein one end of the spring rod 25 is hinged to the connecting seat 16, the other end of the spring rod 25 is connected to the rubber spring 26, the rubber spring 26 is connected to the base 27, and the rubber spring 26 is disposed in the base 27. In the embodiment, the oil-gas damper 17 and the rubber shock absorber 18 are adopted at the same time, so that the heating caused by repeated compression of the oil-gas damper 17 can be relieved, and the problems of low rigidity and large deformation of the rubber shock absorber 18 can be solved.

Embodiment 2 of the utility model: as shown in fig. 1, 2 or 3, the vibration-absorbing system for the high-speed bank bridge trolley comprises a bank bridge trolley frame 1, a wheel vibration-absorbing system 2, a deflection-preventing wheel vibration-absorbing system 3 and a traction wheel vibration-absorbing system 4, wherein the wheel vibration-absorbing system 2 comprises trolley wheels 5 and wheel vibration-absorbing devices 6, one ends of the wheel vibration-absorbing devices 6 are fixedly connected with the bank bridge trolley frame 1, and the other ends of the wheel vibration-absorbing devices 6 are fixedly connected with a rotating shaft of the trolley wheels 5. The anti-deflection wheel vibration-avoiding system 3 comprises an anti-deflection wheel 7, an anti-deflection wheel support 8 and an anti-deflection wheel vibration-avoiding device 9, wherein the anti-deflection wheel 7 is fixedly arranged in the anti-deflection wheel support 8, one end of the anti-deflection wheel vibration-avoiding device 9 is fixedly connected with the bank bridge trolley frame 1, and the other end of the anti-deflection wheel vibration-avoiding device 9 is fixedly connected with the anti-deflection wheel support 8. The traction wheel vibration-avoiding system 4 comprises a traction wheel 10, a traction wheel support 11 and a traction wheel vibration-avoiding device 12, the traction wheel support 11 is connected with a rotating shaft of the traction wheel 10, one end of the traction wheel vibration-avoiding device 12 is fixedly connected with the shore bridge trolley frame 1, and the other end of the traction wheel vibration-avoiding device 12 is fixedly connected with the traction wheel support 11.

As shown in fig. 2 or fig. 3, the bank bridge trolley lifting appliance is connected with the bank bridge trolley through a lifting steel wire rope and a lifting pulley block, when the tension of the lifting steel wire rope changes, the lifting pulley block 14 can vibrate, in order to avoid the vibration and the tension change on the lifting steel wire rope, a lifting pulley block vibration-avoiding system 13 is further arranged in the embodiment, the lifting pulley block vibration-avoiding system 13 comprises the lifting pulley block 14 and a lifting pulley block vibration-avoiding device 15, the lifting pulley block 14 and the bank bridge trolley frame 1 are arranged in a split manner, one end of the lifting pulley block vibration-avoiding device 15 is fixedly connected with the bank bridge trolley frame 1, and the other end of the lifting pulley block vibration-avoiding device 15 is fixedly connected with a rotating shaft of the lifting.

As shown in fig. 10, 11 or 12, the lifting pulley block vibration avoiding device 15 described in this embodiment includes a connecting base 16, an oil-gas damper 17, a rubber damper 18 and a connecting rod 19, the connecting base 16 is fixedly connected with the frame 1 of the quay crane trolley, one end of the oil-gas damper 17 and one end of the rubber damper 18 are hinged to the connecting base 16, the other end of the oil-gas damper 17 and the other end of the rubber damper 18 are fixedly connected through the connecting rod 19, the oil-gas damper 17 and the rubber damper 18 are both vertically arranged, and the connecting rod 19 is further fixedly connected with a rotating shaft of the lifting pulley block 14. In order to damp the vibration of the lifting pulley block 14 in the vertical direction, an oil-gas damper 17 and a rubber damper 18 in the lifting pulley block vibration damper 15 are arranged in the address direction.

Embodiment 3 of the utility model: as shown in fig. 1, 2 or 3, the vibration-absorbing system for the high-speed bank bridge trolley comprises a bank bridge trolley frame 1, a wheel vibration-absorbing system 2, a deflection-preventing wheel vibration-absorbing system 3 and a traction wheel vibration-absorbing system 4, wherein the wheel vibration-absorbing system 2 comprises trolley wheels 5 and wheel vibration-absorbing devices 6, one ends of the wheel vibration-absorbing devices 6 are fixedly connected with the bank bridge trolley frame 1, and the other ends of the wheel vibration-absorbing devices 6 are fixedly connected with a rotating shaft of the trolley wheels 5. The anti-deflection wheel vibration-avoiding system 3 comprises an anti-deflection wheel 7, an anti-deflection wheel support 8 and an anti-deflection wheel vibration-avoiding device 9, wherein the anti-deflection wheel 7 is fixedly arranged in the anti-deflection wheel support 8, one end of the anti-deflection wheel vibration-avoiding device 9 is fixedly connected with the bank bridge trolley frame 1, and the other end of the anti-deflection wheel vibration-avoiding device 9 is fixedly connected with the anti-deflection wheel support 8. The traction wheel vibration-avoiding system 4 comprises a traction wheel 10, a traction wheel support 11 and a traction wheel vibration-avoiding device 12, the traction wheel support 11 is connected with a rotating shaft of the traction wheel 10, one end of the traction wheel vibration-avoiding device 12 is fixedly connected with the shore bridge trolley frame 1, and the other end of the traction wheel vibration-avoiding device 12 is fixedly connected with the traction wheel support 11.

As shown in fig. 1, the wheel vibration-damping device 6 and the trolley wheel 5 are four, the anti-deflection wheel vibration-damping device 9 and the anti-deflection wheel 7 are four, the traction wheel vibration-damping device 12 and the traction wheel 10 are four, four groups of lifting pulley blocks 14 are provided, and eight groups of lifting pulley block vibration-damping devices 15 are provided on two sides of the lifting pulley blocks 14.

The utility model discloses a theory of operation: the bank bridge trolley can vibrate when operating at a high speed, the operating speed is higher, the vibration amplitude is larger, the bank bridge trolley can not be further accelerated in order to ensure the operation safety of the bank bridge trolley, and therefore the vibration amplitude of the bank bridge trolley is controlled to be reduced, and the stable operation of the bank bridge trolley is guaranteed to be an important premise for realizing the acceleration of the bank bridge trolley.

The vibration of the shore bridge trolley during high-speed operation can be divided into three directions, namely a vertical direction, and the extending direction of the shore bridge girder and the direction perpendicular to the shore bridge girder in a horizontal plane. Vibration of the shore bridge trolley in the vertical direction is controlled through the wheel vibration avoiding system 2 and the lifting pulley block vibration avoiding system 13, the trolley wheels 5 are guaranteed to be tightly attached to a rail of the shore bridge trolley, meanwhile, the lifting steel wire rope tension change is prevented from driving the shore bridge trolley to vibrate in the vertical direction, vibration of the shore bridge trolley in the extending direction of the shore bridge girder is controlled through the traction wheel vibration avoiding system 4, and vibration of the shore bridge trolley in the horizontal plane in the direction perpendicular to the shore bridge girder is controlled through the deflection wheel vibration avoiding system 3. Meanwhile, the shore bridge trolley frame 1 is only connected with the vibration avoiding device and is not in contact with a shore bridge girder and the like, so that the stable movement of the shore bridge trolley frame 1 is ensured.

Claims

1. The utility model provides a system of keeping away shakes for high-speed bank bridge dolly which characterized in that: the device comprises a bank bridge trolley frame (1), a wheel vibration-avoiding system (2), a deflection-preventing wheel vibration-avoiding system (3) and a traction wheel vibration-avoiding system (4), wherein the wheel vibration-avoiding system (2) comprises trolley wheels (5) and wheel vibration-avoiding devices (6), one end of each wheel vibration-avoiding device (6) is fixedly connected with the bank bridge trolley frame (1), and the other end of each wheel vibration-avoiding device (6) is fixedly connected with a rotating shaft of each trolley wheel (5); the anti-deflection wheel vibration-avoiding system (3) comprises an anti-deflection wheel (7), an anti-deflection wheel support (8) and an anti-deflection wheel vibration-avoiding device (9), wherein the anti-deflection wheel (7) is fixedly arranged in the anti-deflection wheel support (8), one end of the anti-deflection wheel vibration-avoiding device (9) is fixedly connected with the shore bridge trolley frame (1), and the other end of the anti-deflection wheel vibration-avoiding device (9) is fixedly connected with the anti-deflection wheel support (8); the traction wheel vibration-avoiding system (4) comprises a traction wheel (10), a traction wheel support (11) and a traction wheel vibration-avoiding device (12), the traction wheel support (11) is connected with a rotating shaft of the traction wheel (10), one end of the traction wheel vibration-avoiding device (12) is fixedly connected with a shore bridge trolley frame (1), and the other end of the traction wheel vibration-avoiding device (12) is fixedly connected with the traction wheel support (11).

2. The vibration avoidance system for a high speed shore bridge trolley according to claim 1, wherein: the vibration-proof device is characterized by further comprising a lifting pulley block vibration-proof system (13), wherein the lifting pulley block vibration-proof system (13) comprises a lifting pulley block (14) and a lifting pulley block vibration-proof device (15), the lifting pulley block (14) and the shore bridge trolley frame (1) are arranged in a split mode, one end of the lifting pulley block vibration-proof device (15) is fixedly connected with the shore bridge trolley frame (1), and the other end of the lifting pulley block vibration-proof device (15) is fixedly connected with a rotating shaft of the lifting pulley block (14).

3. The vibration avoidance system for a high speed shore bridge trolley according to claim 1, wherein: the wheel vibration avoiding device (6) comprises a connecting seat (16), an oil-gas damper (17), a rubber vibration absorber (18) and a connecting rod (19), the connecting seat (16) is fixedly connected with the shore bridge trolley frame (1), one ends of the oil-gas damper (17) and the rubber vibration absorber (18) are hinged to the connecting seat (16), the other ends of the oil-gas damper (17) and the rubber vibration absorber (18) are fixedly connected through the connecting rod (19), the oil-gas damper (17) and the rubber vibration absorber (18) are vertically arranged, and the connecting rod (19) is fixedly connected with a rotating shaft of a trolley wheel (5).

4. The vibration avoidance system for a high speed shore bridge trolley according to claim 1, wherein: the anti-deviation wheel vibration avoiding device (9) comprises a connecting seat (16), an oil-gas damper (17) and a rubber vibration absorber (18), the connecting seat (16) is fixedly connected with a shore bridge trolley frame (1), one ends of the oil-gas damper (17) and the rubber vibration absorber (18) are hinged to the connecting seat (16), the other ends of the oil-gas damper (17) and the rubber vibration absorber (18) are fixedly connected with an anti-deviation wheel support (8), the oil-gas damper (17) and the rubber vibration absorber (18) are horizontally arranged, and the oil-gas damper (17) and the rubber vibration absorber (18) are perpendicular to the extending direction of a shore bridge girder.

5. The vibration avoidance system for a high speed shore bridge trolley according to claim 1, wherein: the traction wheel vibration avoiding device (12) comprises a connecting seat (16), oil-gas dampers (17) and rubber shock absorbers (18), the connecting seat (16) is fixedly connected with a shore bridge trolley frame (1), one ends of the oil-gas dampers (17) and the rubber shock absorbers (18) are hinged to the connecting seat (16), the other ends of the oil-gas dampers (17) and the rubber shock absorbers (18) are fixedly connected with a traction wheel support (11), and the oil-gas dampers (17) and the rubber shock absorbers (18) are arranged in parallel with the extending direction of a shore bridge girder.

6. The vibration avoidance system for a high speed shore bridge trolley according to claim 2, wherein: the vibration avoiding device (15) for the lifting pulley block comprises a connecting seat (16), an oil-gas damper (17), a rubber vibration absorber (18) and a connecting rod (19), the connecting seat (16) is fixedly connected with a shore bridge trolley frame (1), one ends of the oil-gas damper (17) and the rubber vibration absorber (18) are hinged to the connecting seat (16), the other ends of the oil-gas damper (17) and the rubber vibration absorber (18) are fixedly connected through the connecting rod (19), the oil-gas damper (17) and the rubber vibration absorber (18) are vertically arranged, and the connecting rod (19) is fixedly connected with a rotating shaft of the lifting pulley block (14).

7. The vibration avoidance system for a high speed shore bridge trolley according to any one of claims 3 to 6, wherein: the oil-gas damper (17) comprises a piston rod (20), a piston (21) and a cylinder body (22), one end of the piston rod (20) is hinged to the connecting seat (16), the other end of the piston rod (20) is connected with the piston (21), and the piston (21) is arranged in the cylinder body (22); the cylinder body (22) comprises an inflation cavity (23) and an oil filling cavity (24), the inflation cavity (23) is located on one side where the piston (21) is connected with the piston rod (20), and the oil filling cavity (24) is located on one side where the piston (21) is far away from the piston rod (20).

8. The vibration avoidance system for a high speed shore bridge trolley according to any one of claims 3 to 6, wherein: the rubber shock absorber (18) comprises a spring rod (25), a rubber spring (26) and a base (27), one end of the spring rod (25) is hinged to the connecting seat (16), the other end of the spring rod (25) is connected with the rubber spring (26), the rubber spring (26) is connected with the base (27), and the rubber spring (26) is arranged in the base (27).

9. The vibration avoidance system for a high speed shore bridge trolley according to claim 1, wherein: the number of the wheel vibration-avoiding devices (6) is equal to that of the trolley wheels (5); the number of the anti-deviation wheel vibration avoiding devices (9) is equal to that of the anti-deviation wheels (7); the number of the traction wheel vibration absorption devices (12) is equal to that of the traction wheels (10).

10. The vibration avoidance system for a high speed shore bridge trolley according to claim 2, wherein: the number of the lifting pulley block vibration avoiding devices (15) is twice that of the lifting pulley blocks (14).