CN217350424U

CN217350424U - Walking type gantry crane with vehicle-mounted support

Info

Publication number: CN217350424U
Application number: CN202221268223.2U
Authority: CN
Inventors: 刘勇; 赵明; 狄怡霏; 刘希斌; 赵文智; 王庆运; 许根; 杨辉; 高士亮; 李宗田
Original assignee: Fifth Engineering Co Ltd of China Railway 14th Bureau Co Ltd; China Railway 14th Bureau Group Qingdao Engineering Co Ltd
Current assignee: Fifth Engineering Co Ltd of China Railway 14th Bureau Co Ltd; China Railway 14th Bureau Group Qingdao Engineering Co Ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-09-02
Anticipated expiration: 2032-05-25

Abstract

The utility model relates to a walking gantry crane with vehicle-mounted support, which comprises a gantry crane body and a walking mechanism, wherein the walking mechanism comprises a bottom beam, the bottom beam is fixed with the gantry crane body, walking wheels are respectively arranged at two ends of the bottom beam, vertical hydraulic cylinders are respectively arranged at two ends of the bottom beam, and piston rods of the hydraulic cylinders can extend downwards to jack the bottom beam, so that the walking wheels are separated from the ground; a truss is fixed at the lower part of the bottom beam, a horizontal steel plate is arranged below the truss, a plurality of square wood components formed by overlapping square wood are arranged between the upper surface of the steel plate and the bottom surface of the truss, a plurality of backing plates are stored at the truss, and the backing plates can be filled between the square wood components and the truss, so that the fine adjustment of the supporting height is convenient to realize; a plurality of manual chain blocks are fixed at the position of the gantry crane body, and lifting chains in the manual chain blocks are connected with the steel plate so as to drive the steel plate to lift relative to the truss. The square timber is mounted below the truss, moves along with the gantry crane body and is not detached, and the problem of time waste caused by repeated disassembly and assembly of the square timber is solved.

Description

Walking type gantry crane with vehicle-mounted support

Technical Field

The utility model relates to a portal crane technical field, concretely relates to walking formula portal crane with vehicle-mounted supports.

Background

A mixing station, a beam manufacturing area, a beam storage area, a steel bar processing area, a material storehouse, a laboratory, an office living area and the like are arranged in a beam yard of the precast beam body. The T-beam prefabrication is completed in a beam-making area, and concrete pouring operation is completed in a mode that a stirrer is used for intensively mixing concrete, and an agricultural vehicle is used for transporting and a gantry crane is matched with a hopper; after the beam body is initially tensioned on the beam making pedestal, the beam body is moved to a beam storage area by a tire type beam lifting machine for storage.

In some construction scenes, an effective frame transporting beam channel cannot be formed due to the fact that a first frame beam section is influenced by offline moving and changing, and the frame beam starting time needs to be adjusted according to actual field conditions. And meanwhile, temporary storage of the T-shaped beams is selected to be performed outside the range of the precast beam field in order to relieve the beam storage pressure of the precast beam field and ensure the continuity of the T-shaped beam prefabrication production. The temporary beam storage time span is large, the field is limited, and a walking type inverted gantry is generally adopted to load and unload prefabricated beam pieces in the temporary beam storage field.

The inventor knows that the walking type inverted gantry can only run in an empty state, and temporary stress support needs to be carried out under the truss of the gantry upright column in the process of loading and unloading the beam. In order to reduce the overall cost investment of the temporary beam storage place, the beam storage place is generally processed in a way of flattening and rolling the place, and steel plates and supporting cushion blocks are used as beam storage supporting points. The ground flatness has certain height error, the walking type inverted portal temporary support adopts square timber superposition, each inverted portal temporary support is 2, when 2 platforms are used simultaneously, the temporary support is 4, about 40 square sleepers are required in total, and 46-52 square sleepers are required for supporting the large-height-difference part of the ground. The square timber is required to be dismantled and piled in the process of loading and unloading the beam every time, the workload is large, and the efficiency of loading and unloading the beam is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a walking formula portal crane with vehicle-mounted supports can solve one of above-mentioned technical problem at least.

In order to achieve the above object, one or more embodiments of the present invention provide a walking gantry crane with a vehicle-mounted support, including a gantry crane body and a walking mechanism, where the walking mechanism includes a bottom beam fixed to the gantry crane body, walking wheels are respectively installed at two ends of the bottom beam, vertical hydraulic cylinders are respectively installed at two ends of the bottom beam, and piston rods of the hydraulic cylinders can extend downward to lift the bottom beam, so that the walking wheels are separated from the ground;

a truss is fixed at the lower part of the bottom beam, a horizontal steel plate is arranged below the truss, a plurality of square wood components formed by overlapping square wood are arranged between the upper surface of the steel plate and the bottom surface of the truss, a plurality of base plates are stored at the truss, and the base plates can be filled between the square wood components and the truss; a plurality of manual chain blocks are fixed at the position of the gantry crane body, and lifting chains in the manual chain blocks are connected with the steel plate so as to drive the steel plate to lift relative to the truss.

The beneficial effects of one or more of the above technical solutions are as follows:

the utility model discloses in utilize steel sheet and manual chain block carry in the below of truss with the square timber, no longer demolish, square timber and steel sheet all along with the portal crane body moves together, reduce the problem of dismouting square timber waste time repeatedly.

Under the condition that the flatness of the ground of the temporary beam storage area does not meet the requirement on the height of the square timber assembly, the base plate stored at the truss can be inserted between the square timber assembly and the bottom surface of the truss, so that the fine adjustment of the supporting height is convenient to realize.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic view of a part of the structure of a walking gantry crane in an embodiment of the present invention.

In the figure: 1. a traveling wheel driving member; 2. a bottom beam; 3. a cross beam; 4. manually chain rewinding; 5. transverse square timber; 6. a column; 7. a traveling wheel; 8. a hydraulic cylinder; 9. a steel plate; 10. a backing plate; 11. longitudinal square timber; 12. a supporting plate; 13. a truss.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

For convenience of description, the words "up, down, left, right" in the present invention, if appearing, are intended to correspond only to the upper, lower, left, right directions of the drawings themselves, not to limit the structure, but merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.

As shown in fig. 1, the walking gantry crane with vehicle-mounted support comprises a gantry crane body and a walking mechanism, wherein the walking mechanism comprises a bottom beam 2, the bottom beam 2 is fixed with the gantry crane body, walking wheels 7 are respectively mounted at two ends of the bottom beam 2, vertical hydraulic cylinders 8 are respectively mounted at two ends of the bottom beam 2, and piston rods of the hydraulic cylinders 8 can extend downwards to lift the bottom beam 2, so that the walking wheels 7 are separated from the ground;

a truss 13 is fixed at the lower part of the bottom beam 2, a horizontal steel plate 9 is arranged below the truss 13, a square wood component formed by overlapping a plurality of square woods is arranged between the upper surface of the steel plate 9 and the bottom surface of the truss 13, a plurality of backing plates are stored at the truss 13, and the backing plates can be filled between the square wood component and the truss 13; a plurality of manual chain blocks 4 are fixed at the position of the gantry crane body, and lifting chains in the manual chain blocks 4 are connected with a steel plate 9 so as to drive the steel plate 9 to lift relative to the truss 13.

Specifically, the manual chain block adopts the existing structure, and the description is omitted here.

Specifically, fig. 1 shows partial structures of a gantry crane body, namely, a vertical column 6 and a cross beam 2 connecting adjacent vertical columns 6, and a manual reverse chain is hung at the cross beam 2.

In this embodiment, the road wheels 7 are driven by the road wheel drive 1.

Concretely, walking wheel driving piece 1 is including steering motor and rotating electrical machines, steering motor is used for the driving walking wheel diversion, and rotating electrical machines is used for the driving walking wheel to rotate along self axis. The road wheel drive may be of the prior art and will not be described further herein.

In this embodiment, the thickness of the backing plate is 2-10 cm. The height of the square wood component in the vertical direction is 0.5m to 0.8 m. The square timber is divided into a longitudinal square timber 11 and a transverse square timber 5, and the extension directions of the longitudinal square timber 11 and the transverse square timber 5 are mutually vertical. A supporting plate 12 is fixed at the tail end of a piston rod of the hydraulic oil cylinder 8, and the hydraulic oil cylinder 8 is respectively positioned between the truss 13 and the travelling wheels 7.

The walking type inverted gantry is supported to walk along with the vehicle, the construction is simple and convenient, the effect of loading and unloading the beam is improved, and the occupied area is saved. The workload of manual carrying, installing and detaching the inverted gantry to support the square timber is reduced, calculation is carried out according to the condition that 2 inverted gantries are used simultaneously, 3 hours of working time of 4 workers is consumed for installing and detaching each inverted gantry temporarily, and 0.5 hour of working time of 2 workers is only consumed for installing and detaching each inverted gantry supported along with a vehicle.

The working principle is as follows: when the portal crane needs to walk, 8 jacking of hydraulic cylinder make steel sheet 9 and walking wheel 7 all break away from ground, then reduce the square timber in backing plate or the square timber subassembly for steel sheet 9 is higher than walking wheel 7 bottom at vertical height, and 8 retractions of hydraulic cylinder make walking wheel 7 and ground contact, and walking wheel 7 walks.

When the portal crane needs stop motion and transports the beam body, 8 jacking of hydraulic cylinder make steel sheet 9 and walking wheel 7 all break away from ground, then increase the square timber in backing plate or the square timber subassembly for steel sheet 9 is less than walking wheel 7 bottom at vertical height, and 8 retractions of hydraulic cylinder make steel sheet 9 and ground contact, and the support of portal crane body is realized to steel sheet and square timber subassembly.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims

1. A walking gantry crane with vehicle-mounted support is characterized by comprising a gantry crane body and a walking mechanism, wherein the walking mechanism comprises a bottom beam, the bottom beam is fixed with the gantry crane body, walking wheels are respectively installed at two ends of the bottom beam, vertical hydraulic cylinders are respectively installed at two ends of the bottom beam, and piston rods of the hydraulic cylinders can extend downwards to lift the bottom beam, so that the walking wheels are separated from the ground;

2. The mobile gantry crane with on-board support of claim 1, wherein said road wheels are driven by road wheel drive units.

3. The running gantry crane with on-board support of claim 1, wherein said mat has a thickness of 2-10 cm.

4. The running gantry crane with on-board support of claim 1, wherein the square timber assembly has a vertical height of 0.5m to 0.8 m.

5. The running gantry crane with onboard support of claim 1, wherein the square timber is divided into longitudinal square timber and transverse square timber, and the longitudinal square timber and the transverse square timber extend in directions perpendicular to each other.

6. The running gantry crane with an onboard support of claim 1, wherein a bracing plate is fixed at the end of a piston rod of the hydraulic oil cylinder.

7. The mobile gantry crane with on-board support of claim 1, wherein said hydraulic rams are respectively between the truss and the road wheels.