CN210313218U

CN210313218U - Device for converting gantry crane track

Info

Publication number: CN210313218U
Application number: CN201920416435.2U
Authority: CN
Inventors: 吴连好; 李周阳; 吴红民; 王维武; 周新宇
Original assignee: China Railway Sixth Group Co Ltd; Beijing Railway Construction Co of China Railway Sixth Group Co Ltd
Current assignee: China Railway Sixth Group Co Ltd; Beijing Railway Construction Co of China Railway Sixth Group Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-04-14
Anticipated expiration: 2029-03-29

Abstract

A device for converting a gantry crane track. The steering device comprises an upper cross beam, universal steering wheels and a traveling mechanism; the top surface of the upper beam is used for placing support legs of the gantry crane; the upper ends of the two universal steering wheels are respectively connected with two side parts of the bottom surface of the upper cross beam, the lower ends of the two universal steering wheels are respectively connected with a walking mechanism, and the lower ends of the two walking mechanisms are positioned on a gantry crane rail. The utility model provides a beneficial effect that is used for device of portal crane track conversion is: not only can realize the accurate conversion of minizone portal crane track, reduce the arc track and lay the quantity, reduce construction cost to the conversion process is simple and convenient, easily operation. In addition, the installation site of the gantry crane can be far away from the existing building, and the gantry crane performs track switching after the installation of the installation track and enters the walking track, so that the track switching of the gantry crane at any angle can be realized.

Description

Device for converting gantry crane track

Technical Field

The utility model belongs to the technical field of the portal crane construction, especially, relate to a device for portal crane track conversion.

Background

In recent years, with the continuous development of traffic networks in China, large bridge projects are increased day by day, and construction close to existing railways or buildings is inevitable, so how to improve the construction safety and accelerate the construction speed, and shortening the construction period is a subject which needs to be researched.

In order to guarantee the construction progress, a gantry crane is generally configured in the construction process of special engineering to carry out hoisting operation of a large component, because the gantry crane is a large-scale special machine and has a large size, the hoisting operation is generally required to be carried out by the large-scale crane in the installation process of the gantry crane, the installation period is long, if a construction site is adjacent to an aerial power line or other structures of an existing railway or traffic road, the problems that the crane topples, the gantry crane topples and the like during the installation of the gantry crane and influences the external safety can exist, and the installation site of the gantry crane often has a cross operation condition with the construction of a main body structure, so that the construction progress is influenced.

In order to ensure the safety of the gantry crane during installation and guarantee the construction period, the installation site of the gantry crane should be far away from the existing building as far as possible, but the large-scale track gantry crane is difficult to steer and does not have the function of steering at any angle, the gantry crane generally steers through a longer arc-shaped track to adjust the angle, so that the steering needs a larger construction site, most construction sites cannot meet the requirements, the efficiency is low, and the cost is higher. Therefore, a technical scheme is needed for realizing the small-range steering and track switching of the gantry crane.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide a device for converting gantry crane rails.

In order to achieve the purpose, the device for converting the gantry crane track provided by the utility model comprises an upper beam, universal steering wheels and a walking mechanism; the top surface of the upper cross beam is used for placing support legs of the gantry crane; the upper ends of the two universal steering wheels are respectively connected with two side parts of the bottom surface of the upper cross beam, the lower ends of the two universal steering wheels are respectively connected with a walking mechanism, and the lower ends of the two walking mechanisms are positioned on a gantry crane rail.

The universal steering wheel comprises an upper steel plate, a universal bearing, a lower steel plate and a pin shaft clamping seat; wherein the upper end and the lower end of the universal bearing are respectively connected with the bottom surface of the upper steel plate and the top surface of the lower steel plate; the edge of the upper steel plate is fixed on the bottom surface of the upper cross beam by using a bolt; the bottom surface of the lower steel plate is connected with the walking mechanism through a pin shaft clamping seat.

The running mechanism comprises an automatic rail clamping device, a driving wheel, a driven wheel, a driving device and a mechanism main body; the mechanism main body is connected to the pin shaft clamping seat; the driving wheel and the driven wheel are respectively arranged at two side parts of the bottom of the mechanism main body; the driving device is arranged on the mechanism main body, and an output shaft is connected with a wheel shaft of the driving wheel; the automatic rail clamping device is arranged at one end of the mechanism main body.

The utility model provides a beneficial effect that is used for device of portal crane track conversion is: not only can realize the accurate conversion of minizone portal crane track, reduce the arc track and lay the quantity, reduce construction cost to the conversion process is simple and convenient, easily operation. In addition, the installation site of the gantry crane can be far away from the existing building, and the gantry crane performs track switching after the installation of the installation track and enters the walking track, so that the track switching of the gantry crane at any angle can be realized.

Drawings

Fig. 1 is a schematic structural view of a device for rail conversion of a gantry crane provided by the present invention;

fig. 2 is the utility model provides a universal directive wheel structure sketch map in the device for conversion of portal crane track.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings and specific examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 and 2, the device for gantry crane track conversion provided by the present invention comprises an upper beam 1, universal steering wheels and a traveling mechanism; the top surface of the upper cross beam 1 is used for placing a support leg 7 of the gantry crane; the upper ends of the two universal steering wheels are respectively connected with two side parts of the bottom surface of the upper cross beam 1, the lower ends of the two universal steering wheels are respectively connected with a walking mechanism, and the lower ends of the two walking mechanisms are positioned on a gantry crane rail.

The universal steering wheel comprises an upper steel plate 8, a universal bearing 9, a lower steel plate 3 and a pin shaft clamping seat 11; wherein the upper end and the lower end of the universal bearing 9 are respectively connected with the bottom surface of the upper steel plate 8 and the top surface of the lower steel plate 3; the edge of the upper steel plate 8 is fixed on the bottom surface of the upper cross beam 1 by using a bolt 10; the bottom surface of the lower steel plate 3 is connected with the walking mechanism through a pin shaft clamping seat 11.

The running mechanism comprises an automatic rail clamping device 4, a driving wheel 5, a driven wheel 6, a driving device 12 and a mechanism main body 13; the mechanism main body 13 is connected to the pin shaft clamping seat 11; the driving wheel 5 and the driven wheel 6 are respectively arranged at two side parts of the bottom of the mechanism main body 13; the driving device 12 is arranged on the mechanism main body 13, and the output shaft is connected with the wheel shaft of the driving wheel 5; the automatic rail clamp 4 is provided at one end of the mechanism body 13.

Will now the utility model provides a device theory of operation for conversion of portal crane track explains as follows:

firstly, according to construction conditions, construction personnel lay a gantry crane installation track on the ground far away from a construction site, lay a gantry crane walking track on the ground at the construction site, continuously install the tracks at the track crossing positions, break the walking track, and specifically adjust the breaking distance according to the widths of a driving wheel 5 and a driven wheel 6 on a walking mechanism so as to ensure that the driving wheel 5 and the driven wheel 6 can pass through.

A driving wheel 5 and a driven wheel 6 on the device are placed on an installation track, and the device is fixed by an automatic rail clamping device 4; then, a gantry crane is arranged on the device, two supporting legs 7 of the gantry crane are fixed on the top surface of the upper cross beam 1, and the center lines of the driving wheel 5 and the driven wheel 6 are respectively coincided with the center lines of the two supporting legs 7. And then loosening the automatic rail clamping device 4, enabling the gantry crane to travel to a track crossing position by using the device, jacking the gantry crane and the device by using a jack, rotating the universal bearing 9 according to an angle between the mounting track and the traveling track after the gantry crane and the device are suspended, enabling the directions of the driving wheel 5 and the driven wheel 6 to be consistent with the direction of the traveling track, unloading the jack, and placing the driving wheel 5 and the driven wheel 6 on the device on the traveling track, thereby completing the track conversion process.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications utilizing the track switching device should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a device for portal crane track conversion which characterized in that: the device comprises an upper cross beam (1), universal steering wheels and a walking mechanism; the top surface of the upper cross beam (1) is used for placing support legs (7) of the gantry crane; the upper ends of the two universal steering wheels are respectively connected with two side parts of the bottom surface of the upper cross beam (1), the lower ends of the two universal steering wheels are respectively connected with a walking mechanism, and the lower ends of the two walking mechanisms are positioned on a gantry crane track; the universal steering wheel comprises an upper steel plate (8), a universal bearing (9), a lower steel plate (3) and a pin shaft clamping seat (11); wherein the upper end and the lower end of the universal bearing (9) are respectively connected with the bottom surface of the upper steel plate (8) and the top surface of the lower steel plate (3); the edge of the upper steel plate (8) is fixed on the bottom surface of the upper cross beam (1) by using a bolt (10); the bottom surface of the lower steel plate (3) is connected with the walking mechanism through a pin shaft clamping seat (11).

2. The apparatus of claim 1, wherein: the running mechanism comprises an automatic rail clamping device (4), a driving wheel (5), a driven wheel (6), a driving device (12) and a mechanism main body (13); the mechanism main body (13) is connected to the pin shaft clamping seat (11); the driving wheel (5) and the driven wheel (6) are respectively arranged at the two sides of the bottom of the mechanism main body (13); the driving device (12) is arranged on the mechanism main body (13), and an output shaft is connected with a wheel shaft of the driving wheel (5); the automatic rail clamping device (4) is arranged at one end of the mechanism body (13).