CN217102703U

CN217102703U - Bridge girder erection machine upset hoist of pier hoist and mount

Info

Publication number: CN217102703U
Application number: CN202122045765.5U
Authority: CN
Inventors: 邱高鹏; 邱程鹏; 王跃楠; 李荣荣; 李亚军
Original assignee: Zhongpeng United Heavy Industry Group Co ltd
Current assignee: Zhongpeng United Heavy Industry Group Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-08-02
Anticipated expiration: 2031-08-27

Abstract

A bridge girder erection machine turning hanger for hoisting piers comprises a front trolley hanger and a rear trolley hanger, wherein the front trolley hanger comprises a first hanging beam, a first pulley block is arranged at the top end of the first hanging beam and connected to a hoisting mechanism on the front trolley through a steel wire rope, a turning mechanism is assembled at the upper end of a rotating shaft, the lower end of the rotating shaft extends to the lower part of the first hanging beam, a supporting beam is fixed at the lower end of the rotating shaft, and a first lifting hook is arranged at the bottom end of the supporting beam; the rear trolley lifting appliance comprises a second lifting beam which is horizontally arranged, a second pulley block is arranged at the top end of the second lifting beam, the two second pulley blocks are respectively arranged at two ends of the second lifting beam, the second pulley blocks are connected to a lifting mechanism of the rear trolley through steel wire ropes, two second lifting hooks which are arranged on the rear trolley are arranged at the bottom end of the second lifting beam, and the second lifting hooks are respectively arranged at two ends of the second lifting beam. The utility model discloses simple structure, convenient to use has improved work efficiency.

Description

Bridge girder erection machine upset hoist of pier hoist and mount

Technical Field

The utility model belongs to the technical field of the hoist, especially, relate to a bridge girder erection machine upset hoist of pier hoist and mount.

Background

With the development of transportation, the bridge erecting machinery is also rapidly developed, and the bridge erecting machine is more and more widely applied as the necessary equipment for erecting highway bridges and railway bridges. The lifting appliance of the bridge girder erection machine is an important component of the bridge girder erection machine, is also a main bearing part, and plays an important role in the lifting work of the bridge girder erection machine. The existing bridge girder erection machine is used for placing a prefabricated beam piece on a prefabricated pier, and has the main function of lifting the beam piece, a lifting appliance of the bridge girder erection machine only comprises a movable pulley block and lifting hooks, steel wire ropes are bound at two ends of a bridge, and then the bridge girder is lifted by a front trolley lifting hook and a rear trolley lifting hook together; but along with the progress of technique, the pier is prefabricated the back, transports the job site through the vehicle, and the rethread hoist crane lifts by crane the pier, splices to the ground on, need turn over the pier to vertical state by the horizontal state in the work progress, and current hoist of crane can not satisfy the construction requirement, and consequently current bridge girder erection machine hoist structure is unreasonable.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve current bridge crane hoist structure unreasonable, can not realize the technical problem to the pier upset, provide a bridge crane upset hoist of pier hoist and mount, including setting up preceding dolly hoist on the dolly before the bridge crane and setting up the back dolly hoist on the dolly behind the bridge crane, preceding dolly hoist includes the first hanging beam that the level set up, first hanging beam plays supporting role, the top of first hanging beam is equipped with the first assembly pulley that two symmetries set up, two first assembly pulleys set up respectively on the hoisting mechanism on the dolly in the front is connected through wire rope at the both ends of first hanging beam and first assembly pulley, the hoist on the hoisting mechanism receive and releases wire rope, controls the lift of first hanging beam. A vertically arranged through hole is arranged in the middle of the first hanging beam, a vertically arranged rotating shaft is rotatably assembled in the through hole through a bearing, an upper fixing flange is arranged at the upper end of the rotating shaft, a lower fixing flange is arranged at the lower end of the rotating shaft, the upper end of the rotating shaft extends out of the first hanging beam, a rotating mechanism is assembled at the upper end of the rotating shaft, the rotating mechanism comprises a first transmission gear fixed at the upper end of the rotating shaft, a motor support is arranged at one side of the first transmission gear, the motor support is fixed at the top end of the first hanging beam, a vertically arranged rotating motor is fixed on the motor support, a power output shaft of the rotating motor extends to the lower part of the motor support, a second transmission gear is assembled at the end part of the power output shaft of the rotating motor, the second transmission gear is meshed with the first transmission gear, the lower end of the rotating shaft extends to the lower part of the first hanging beam, and a horizontally arranged supporting beam is fixed at the lower end of the rotating shaft, the bottom of a supporting beam is provided with a first lifting hook, a rotary motor is started, a power output shaft of the rotary motor drives a second transmission gear to rotate, the second transmission gear drives a first transmission gear and a rotating shaft to rotate, and the rotating shaft drives the supporting beam and the first lifting hook to rotate. The rear trolley lifting appliance comprises a second lifting beam which is horizontally arranged, the second lifting beam plays a supporting role, two second pulley blocks which are symmetrically arranged are arranged at the top end of the second lifting beam and are respectively arranged at two ends of the second lifting beam, the second pulley blocks are connected to a lifting mechanism of the rear trolley through a steel wire rope, two second lifting hooks which are arranged on the rear trolley are arranged at the bottom end of the second lifting beam, and the second lifting hooks are respectively arranged at two ends of the second lifting beam.

Preferably, the bottom of a supporting beam is provided with two first lifting lugs which are symmetrically arranged, the two first lifting lugs are respectively fixed at two ends of the supporting beam, and the first lifting hook is fixed on the first lifting lugs through a pin shaft.

Preferably, the bottom end of the second hanging beam is provided with two second lifting lugs which are symmetrically arranged, the two second lifting lugs are respectively fixed at two ends of the second hanging beam, and the second lifting hook is respectively fixed on the second lifting lugs which are correspondingly arranged through pin shafts.

Preferably, the length of first hanging beam is greater than the length of a supporting beam, and the distance between two first lifting hooks is less than the diameter of pier, and when lifting by crane, two first lifting hooks hook get on the first hoisting point on pier top, lift by crane more firmly, have alleviateed wire rope's rocking.

Preferably, the distance between the two second lifting hooks is larger than the diameter of the pier, and when the pier is lifted, the two second lifting hooks are respectively hooked on the second lifting points on the two sides of the pier.

Preferably, the rotary motor is connected with a power supply through a cable, and the rotary motor is connected with a PLC (programmable logic controller) on the bridge girder erection machine through a cable.

The scheme has the following advantages:

the front trolley lifting appliance and the rear trolley lifting appliance are matched for use, the front trolley lifting appliance lifts a first lifting point of the pier, the rear trolley lifting appliance lifts the other end of the precast beam, and the pier can be turned from a horizontal state to a vertical state by lifting the front trolley lifting appliance; the arrangement of the rotary mechanism on the bridge trolley lifting appliance can drive the supporting beam and the first lifting hook to rotate, can drive the pier to rotate, and can adjust the installation angle.

Drawings

FIG. 1 is a schematic structural view of a lifting pier of the present invention;

FIG. 2 is a schematic structural view of a bridge pier;

FIG. 3 is a schematic front view of a front trolley spreader;

FIG. 4 is a left side view structural schematic diagram of a front trolley spreader;

FIG. 5 is a schematic structural view of a rear trolley spreader in front view;

fig. 6 is a left side view structural schematic diagram of the rear trolley lifting appliance.

Reference numerals: 1. a front trolley sling; 2. a rear trolley lifting appliance; 3. a swing mechanism; 4. a bridge pier; 11. a first suspension beam; 12. a first pulley block; 13. a rotating shaft; 14. an upper fixing flange; 15. a lower fixed flange; 16. a support beam; 17. a first lifting lug; 18. a first hook; 21. a second suspension beam; 22. a second pulley block; 23. a second lifting lug; 24. a second hook; 31. a first drive gear; 32. a motor bracket; 33. a rotary motor; 34. a second transmission gear; 41. a first hoisting point; 42. and a second hoisting point.

Detailed Description

As shown in fig. 1-6, a bridge girder erection machine turning hanger for bridge pier hoisting comprises a front trolley hanger 1 arranged on a front trolley of a bridge girder erection machine and a rear trolley hanger 2 arranged on a rear trolley of the bridge girder erection machine, wherein the front trolley hanger 1 comprises a first suspension beam 11 horizontally arranged, the first suspension beam 11 plays a supporting role, two first pulley blocks 12 symmetrically arranged are arranged at the top end of the first suspension beam 11, the two first pulley blocks 12 are respectively arranged at two ends of the first suspension beam 11, the first pulley blocks 12 are connected to a hoisting mechanism on the front trolley through steel wire ropes, and a winch on the hoisting mechanism receives and releases the steel wire ropes for controlling the first suspension beam 11 to lift. A vertically arranged through hole is arranged in the middle of the first hanging beam 11, a vertically arranged rotating shaft 13 is rotatably assembled in the through hole through a bearing, an upper fixing flange 14 is arranged at the upper end of the rotating shaft 13, a lower fixing flange 15 is arranged at the lower end of the rotating shaft 13, the upper end of the rotating shaft 13 extends out of the first hanging beam 11, a rotating mechanism 3 is assembled at the upper end of the rotating shaft 13, the rotating mechanism 3 comprises a first transmission gear 31 fixed at the upper end of the rotating shaft 13, a motor support 32 is arranged at one side of the first transmission gear 31, the motor support 32 is fixed at the top end of the first hanging beam 11, a vertically arranged rotating motor 33 is fixed on the motor support 32, a power output shaft of the rotating motor 33 extends to the lower part of the motor support 32, a second transmission gear 34 is assembled at the end part of the power output shaft of the rotating motor 33, the second transmission gear 34 is meshed with the first transmission gear 31, and the lower end of the rotating shaft 13 extends to the lower part of the first hanging beam 11, and a supporting beam 16 horizontally arranged is fixed at the lower end of the rotating shaft 13, a first lifting hook 18 is arranged at the bottom end of the supporting beam 16, a rotating motor 33 is started, a power output shaft of the rotating motor 33 drives a second transmission gear 34 to rotate, the second transmission gear 34 drives a first transmission gear 31 and the rotating shaft 13 to rotate, and the rotating shaft 13 drives the supporting beam and the first lifting hook 18 to rotate. The rear trolley lifting appliance 2 comprises a second lifting beam 21 which is horizontally arranged, the second lifting beam 21 plays a supporting role, two second pulley blocks 22 which are symmetrically arranged are arranged at the top end of the second lifting beam 21, the two second pulley blocks 22 are respectively arranged at two ends of the second lifting beam 21, the second pulley blocks 22 are connected to a lifting mechanism of the rear trolley through steel wire ropes, two second lifting hooks 24 which are arranged oppositely are arranged at the bottom end of the second lifting beam 21, and the second lifting hooks 24 are respectively arranged at two ends of the second lifting beam 21.

Preferably, the bottom end of the supporting beam 16 is provided with two first lifting lugs 17 which are symmetrically arranged, the two first lifting lugs 17 are respectively fixed at two ends of the supporting beam 16, and the first lifting hook 18 is fixed on the first lifting lugs 17 through a pin shaft.

Preferably, two second lifting lugs 23 symmetrically arranged are arranged at the bottom end of the second lifting beam 21, the two second lifting lugs 23 are respectively fixed at two ends of the second lifting beam 21, and the second lifting hook 24 is respectively fixed on the second lifting lugs 23 correspondingly arranged through pin shafts.

Preferably, the length of the first hanging beam 11 is longer than that of the supporting beam 16, the distance between the two first hanging hooks 18 is smaller than the diameter of the bridge pier, and when in hanging, the two first hanging hooks 18 are hung on the first hanging points 41 at the top end of the bridge pier, so that the hanging is more stable, and the swinging of the steel wire rope is reduced.

Preferably, the distance between the two second hooks 24 is greater than the diameter of the pier 4, and when the pier 4 is lifted, the two second hooks 24 are respectively hooked on the second hanging points 42 on both sides of the pier 4.

Preferably, the rotary motor 33 is connected to the power supply through a cable, and the rotary motor 33 is connected to the PLC controller on the bridge girder erection machine through a cable.

The use process comprises the following steps:

the utility model discloses during the use, first lifting hook 18 is hung and is got on first hoisting point 41 on pier 4, hang second lifting hook 24 and get on second hoisting point 42 on pier 4, pier 4 is the level and places, start the preceding dolly and the back dolly of bridging machine simultaneously, transport appointed position with pier 4, slowly put down second lifting hook 24, pier 4 is changeed to vertical state by the horizontality, continue below second lifting hook 24, the second lifting hook breaks away from second hoisting point 42, first lifting hook 18 lifts up pier 4 that is vertical state this moment, adjust pier 4 and the position of subaerial ground, through rotating motor 33, rotating motor 33 drives pier 4 on the first lifting hook 18 and rotates, be used for adjusting pier 4 with the installation angle of ground, treat the angle adjustment back that finishes, fall first lifting hook 18, take off first lifting hook 18 and make it break away from with first hoisting point.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. The utility model provides a bridge girder erection machine upset hoist of pier hoist, is including setting up preceding dolly hoist on the dolly before the bridge girder erection machine and setting up the back dolly hoist on the dolly behind the bridge girder erection machine, its characterized in that: the front trolley lifting appliance comprises a first lifting beam which is horizontally arranged, two first pulley blocks which are symmetrically arranged are arranged at the top end of the first lifting beam, the two first pulley blocks are respectively arranged at two ends of the first lifting beam, the first pulley blocks are connected onto a lifting mechanism on the front trolley through a steel wire rope, a vertical through hole is formed in the middle of the first lifting beam, a vertically arranged rotating shaft is rotatably assembled in the through hole through a bearing, the upper end of the rotating shaft extends out of the first lifting beam, a swing mechanism is assembled at the upper end of the rotating shaft, the lower end of the rotating shaft extends to the lower side of the first lifting beam, a horizontally arranged supporting beam is fixed at the lower end of the rotating shaft, and a first lifting hook is arranged at the bottom end of the supporting beam; the rear trolley lifting appliance comprises a second lifting beam which is horizontally arranged, two second pulley blocks which are symmetrically arranged are arranged at the top end of the second lifting beam, the two second pulley blocks are respectively arranged at two ends of the second lifting beam, the second pulley blocks are connected to a lifting mechanism of the rear trolley through a steel wire rope, two second lifting hooks which are arranged on the rear trolley are arranged at the bottom end of the second lifting beam, and the second lifting hooks are respectively arranged at two ends of the second lifting beam.

2. The bridge girder erection machine overturning hanger for bridge pier hoisting according to claim 1, characterized in that: the slewing mechanism is including fixing the first drive gear in the axis of rotation upper end, and one side of first drive gear is equipped with the motor support, and the top at first hanging beam is fixed to the motor support, is fixed with the vertical slewing motor who sets up on the motor support, and slewing motor's power output shaft extends to the below of motor support, and slewing motor's power output shaft's tip is equipped with the second drive gear, and the meshing of second drive gear and first drive gear.

3. The bridge girder erection machine overturning hanger for bridge pier hoisting according to claim 2, characterized in that: the bottom of a supporting beam is equipped with the first lug that two symmetries set up, and two first lugs are fixed respectively at a supporting beam's both ends, and first lifting hook passes through the round pin axle to be fixed on first lug.

4. The bridge girder erection machine overturning hanger for bridge pier hoisting according to claim 3, characterized in that: the bottom of the second hanging beam is provided with two second lifting lugs which are symmetrically arranged, the two second lifting lugs are respectively fixed at two ends of the second hanging beam, and the second lifting hook is respectively fixed on the second lifting lugs which are correspondingly arranged through pin shafts.

5. The bridge girder erection machine overturning hanger for bridge pier hoisting according to claim 4, characterized in that: the length of the first hanging beam is longer than that of the supporting beam, and the distance between the two first hanging hooks is smaller than the diameter of the pier.

6. The bridge girder erection machine overturning hanger for bridge pier hoisting according to claim 5, characterized in that: the distance between the two second lifting hooks is larger than the diameter of the pier.

7. The bridge girder erection machine overturning hanger for bridge pier hoisting according to claim 6, characterized in that: the rotary motor is connected with a power supply through a cable, and the rotary motor is connected with a PLC (programmable logic controller) on the bridge girder erection machine through the cable.