CN109823252B - Crane transferring method - Google Patents

Abstract

The invention provides a crane transferring method, which comprises the following steps: placing the transfer beam on a hydraulic flat car; moving the hydraulic flat car to an ear plate on a cart balance beam adjacent to the crane, and respectively placing the grooves of the connecting plate on the transfer beam below the ear plates on the cart balance beam of the corresponding crane; lifting the transfer beam by jacking the hydraulic flat car until the lug plates on the cart balance beam of the crane are respectively arranged in the grooves of the corresponding connecting plates; continuously lifting the transfer beam to lift the crane off the ground, and moving the hydraulic flat car to transfer the crane to a specified position; and unloading the crane from the hydraulic flat car. According to this scheme, establish the connecting plate of taking the recess respectively at the both ends of transporting the roof beam, the otic placode on the big car compensating beam that makes the hoist can the joint in the recess, and on the transport roof beam was arranged in to the hoist steadily, need not weld the bracket on the hoist, loading and unloading convenient and fast avoided the inconvenience because of welding the bracket and bringing, work load when reducing the transportation improves conveying efficiency reduce cost.

Description

Crane transferring method

Technical Field

The invention relates to the technical field of cranes, in particular to a crane transferring method.

Background

When the crane is maintained, repaired, disassembled or transferred to other stations, the crane is often lifted by a transfer beam and a hydraulic flat car and transported to a proper working place for corresponding work. When the crane is in operation, a jacking bracket is often required to be arranged on a steel structure of the crane to serve as a jacking point of the crane, the transfer beam is placed on the hydraulic flat car and jacks the bracket, then a support oil cylinder of the hydraulic flat car is lifted upwards to lift the transfer beam and the crane off the ground, and the flat car starts to transfer the crane.

Generally, the bracket is a welded steel structure and is welded on a crane steel structure, and because the bracket is only a temporary component arranged in the construction process, the bracket generally needs to be cut off after the construction is finished to prevent the influence on the normal use of the crane, so that a plurality of problems exist in the transfer process of the crane, for example, the field workload is large, and the construction period is long; welding and polishing are needed on site, cutting is needed after the jacking operation is finished, a fracture needs to be polished to be flat after cutting, and the welding part needs to be painted again; if the number of the cranes to be checked and modified on site is large, each crane needs to be independently manufactured with brackets, so that the field workload and the cost are increased rapidly; because welding work volume is big, it is unfavorable like on-the-spot quality management and control work, very easily lead to the hoist steel construction because the welding leads to warping, in addition, still influence the conveying efficiency and the cost of hoist, bring inconvenience for the transportation of hoist.

Disclosure of Invention

In view of the above, the invention provides a crane transferring method, which is used for solving the problems of inconvenient crane transferring, large workload, low efficiency and high cost.

In order to solve the technical problems, the invention adopts the following technical scheme:

the crane transferring method according to the embodiment of the first aspect of the invention comprises the following steps:

step S1, placing the transfer beam on a hydraulic flat car;

step S2, moving the hydraulic flat car to an ear plate on a cart balance beam adjacent to a crane, and respectively placing the grooves of the connecting plate on the transfer beam below the corresponding ear plate on the cart balance beam of the crane;

step S3, lifting the transfer beam by jacking the hydraulic flat car until lug plates on a cart balance beam of the crane are respectively placed in the grooves of the corresponding connecting plates;

step S4, continuing to lift the transfer beam to lift the crane off the ground, and moving the hydraulic flat car to transfer the crane to a specified position;

and step S5, unloading the crane from the hydraulic flat car.

Further, two balance beams are arranged on the cart of each crane, two lug plates are respectively arranged on each balance beam, and in step S1, the two transfer beams are spaced and placed on the hydraulic flat car in parallel;

in step S2, the hydraulic flat car is moved to be adjacent to the ear plates on the cart balance beam of the crane and the transfer beams are respectively perpendicular to the balance beams, and the grooves of the connecting plates on the transfer beams are respectively arranged below the ear plates on the cart balance beam of the crane.

Further, in step S3, after the lug plates on the truck balance beam of the crane are respectively placed in the grooves of the corresponding connecting plates, the crane is fixedly connected with the transfer beam through a fixing structure.

Further, step S5 includes:

step S51, lowering the transfer beam by lowering the hydraulic flat car until the crane is placed on the ground;

and step S52, continuing to lower the hydraulic flat car until the groove of the connecting plate of the transfer beam is separated from the lug plate on the cart balance beam of the crane, and removing the hydraulic flat car.

The technical scheme of the invention at least has one of the following beneficial effects:

according to the crane transferring method, the connecting plates with the grooves are respectively arranged at the two ends of the transferring beam, so that the lug plates on the crane balance beam of the crane can be clamped in the grooves, the crane is stably arranged on the transferring beam, brackets do not need to be welded on the crane, the crane is convenient and quick to assemble and disassemble, inconvenience caused by welding of the brackets is avoided, the workload during transportation is reduced, the transportation efficiency is improved, and the cost is reduced.

Drawings

FIG. 1 is a schematic view of a crane in cooperation with a transfer beam;

FIG. 2 is a schematic diagram of the matching between the lug plate and the connecting plate on the balance beam of the crane;

fig. 3 is a schematic flow chart of a crane transferring method.

Reference numerals:

a transfer beam 10; a connecting plate 11; a groove 12;

a hydraulic flatbed 20;

an ear plate 30.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.

First, a crane transferring device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 2, the invention provides a crane transfer device, which comprises a transfer beam 10, wherein two ends of the transfer beam 10 can be respectively provided with a connecting plate 11 with a groove 12, the connecting plates 11 can be detachably arranged at two ends of the transfer beam 10, and the groove 12 is matched with the shape and size of an ear plate 30 on a crane balance beam of a crane, so that the ear plate 30 on the crane balance beam of the crane is clamped in the groove 12. When transporting the hoist, can with the 30 joints of otic placode on the cart compensating beam of hoist in corresponding recess 12 on connecting plate 11, need not weld the bracket on the hoist, work load when reducing the transportation improves work efficiency, reduce cost, the transportation of the hoist of being convenient for.

In some embodiments of the present invention, the crane transferring device may further include a hydraulic flat car 20, the hydraulic flat car 20 may be used for placing the transferring beam 10, and the hydraulic flat car 20 may be capable of lifting and lowering the transferring beam 10 and may be capable of moving. When the crane is transported, the transfer beam 10 can be placed on the hydraulic flat car 20, the hydraulic flat car 20 is moved to be adjacent to the lug plates 30 on the cart balance beams of the crane, the grooves 12 of the connecting plates 11 on the transfer beam 10 are respectively placed below the lug plates 30 on the cart balance beams of the corresponding crane, the transfer beam 10 is lifted by jacking the hydraulic flat car 20 until the lug plates 30 on the cart balance beams of the crane are respectively placed in the grooves 12 of the corresponding connecting plates 11, the transfer beam 10 is continuously lifted to lift the crane off the ground, the hydraulic flat car 20 is moved to transfer the crane to a specified position, and the crane is unloaded from the hydraulic flat car 20.

In other embodiments of the present invention, when transporting the crane, the number of the transfer beams 10 required may be selected according to the number of the lug plates 30 on the cart balance beam of the crane, for example, there are two cart balance beams of the crane, and two lug plates 30 are provided on each balance beam, in this case, the transfer beams 10 may include two, and the two transfer beams 10 may be placed on the hydraulic flat car 20 in parallel at intervals, so that the lug plates 30 on the cart balance beam of the crane can be clamped in the grooves 12 on the corresponding connecting plate 11, so that the crane is stably mounted on the transfer beams 10 for transportation.

Optionally, the connecting plate 11 and the transfer beam 10 may be connected by bolts, so as to facilitate the installation and the removal of the connecting plate 11 and facilitate the recycling of the transfer beam 10 and the connecting plate 11.

According to the crane transfer device, the connecting plates with the grooves are respectively arranged at the two ends of the transfer beam, so that the lug plates on the crane balance beam of the crane can be clamped in the grooves, the crane is stably arranged on the transfer beam, brackets do not need to be welded on the crane, the crane transfer device is convenient and quick to assemble and disassemble, inconvenience caused by welding of the brackets is avoided, the workload during transportation is reduced, the transportation efficiency is improved, and the cost is reduced.

As shown in fig. 3, the invention further provides a crane transferring method based on the crane transferring device of the above embodiment, which includes the following steps:

step S1, placing the transfer beam 10 on the hydraulic flat car 20; the number of the transfer beams 10 can be selected according to the lug plates 30 on the crane truck balance beam, for example, two transfer beams 10 can be selected, and the two transfer beams 10 can be parallelly and separately placed on the hydraulic flat car 20;

step S2, moving the hydraulic flat car 20 to the lug plates 30 on the cart balance beam of the adjacent crane, and respectively placing the grooves 12 of the connecting plates 11 on the transfer beam 10 below the lug plates 30 on the cart balance beam of the corresponding crane;

step S3, lifting the transfer beam 10 by jacking the hydraulic flat car 20 until the lug plates 30 on the cart balance beam of the crane are respectively placed in the grooves 12 of the corresponding connecting plates 11; in step S3, after the lug plates 30 on the cart balance beam of the crane are respectively placed in the grooves 12 of the corresponding connecting plates 11, the crane is fixedly connected with the transfer beam 10 through a fixing structure, and the crane can be prevented from moving on the transfer beam 10 or the transfer beam 10 can be prevented from moving on the hydraulic flat car 20 through welding stoppers;

step S4, continuing to lift the transfer beam 10 to lift the crane off the ground, and moving the hydraulic flat car 20 to transfer the crane to a specified position;

in step S5, the crane is unloaded from the hydraulic flatbed 20.

According to the transfer method, the connecting plates with the grooves are respectively arranged at the two ends of the transfer beam, the transfer beam is arranged on the hydraulic flat car, the lug plates on the balance beam of the crane are clamped in the grooves, the transfer beam is continuously lifted to lift the crane off the ground, the hydraulic flat car is moved to transfer the crane to a specified position, brackets do not need to be welded on the crane, the loading and unloading are convenient and rapid, the inconvenience caused by welding the brackets is avoided, the workload during the transportation is reduced, the transportation efficiency is improved, and the cost is reduced.

In other embodiments, step S5 may include:

step S51, lowering the transfer beam 10 by lowering the hydraulic flatbed 20 until the crane is placed on the ground;

in step S52, the hydraulic flatbed 20 is lowered until the grooves 12 of the connecting plate 11 of the transfer beam 10 are disengaged from the lug plates 30 on the cart balance beam of the crane, and the hydraulic flatbed 20 is removed.

In some embodiments, two balance beams are provided on the cart of each crane, and two ear plates 30 are provided on each balance beam, respectively, and in step S1, the two transfer beams 10 are placed on the hydraulic flat car 20 in parallel and spaced apart; in step S2, the hydraulic flatbed 20 is moved to be adjacent to the ear plates 30 on the cart balance beams of the cranes and the transfer beams 10 are respectively perpendicular to the balance beams, and the grooves 12 of the connecting plates 11 on the transfer beams 10 are respectively placed below the ear plates 30 on the cart balance beams of the corresponding cranes.

By the aid of the transfer method of the crane, the crane can be transferred simply and conveniently, brackets do not need to be welded on the crane, workload during transportation is reduced, transportation efficiency is improved, and transportation cost is reduced.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (4)

1. A crane transferring method is characterized by comprising the following steps:

step S1, placing the transfer beam on a hydraulic flat car;

step S2, moving the hydraulic flat car to an ear plate on a cart balance beam adjacent to a crane, and respectively placing the grooves of the connecting plate on the transfer beam below the corresponding ear plate on the cart balance beam of the crane;

step S3, lifting the transfer beam by jacking the hydraulic flat car until lug plates on a cart balance beam of the crane are respectively placed in the grooves of the corresponding connecting plates;

step S4, continuing to lift the transfer beam to lift the crane off the ground, and moving the hydraulic flat car to transfer the crane to a specified position;

and step S5, unloading the crane from the hydraulic flat car.

2. The crane transferring method according to claim 1, wherein two balance beams are provided on the cart of each crane, and two ear plates are provided on each balance beam, respectively,

in step S1, placing the two transfer beams in parallel and spaced apart on the hydraulic flat car;

in step S2, the hydraulic flat car is moved to be adjacent to the ear plates on the cart balance beam of the crane and the transfer beams are respectively perpendicular to the balance beams, and the grooves of the connecting plates on the transfer beams are respectively arranged below the ear plates on the cart balance beam of the crane.

3. The crane transferring method according to claim 1, wherein in step S3, after the lug plates on the crane truck balance beam are respectively placed in the grooves of the corresponding connecting plates, the crane is fixedly connected with the transfer beam through a fixing structure.

4. The crane transferring method according to claim 1, wherein step S5 comprises:

step S51, lowering the transfer beam by lowering the hydraulic flat car until the crane is placed on the ground;

and step S52, continuing to lower the hydraulic flat car until the groove of the connecting plate of the transfer beam is separated from the lug plate on the cart balance beam of the crane, and removing the hydraulic flat car.

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