SU1270100A1 - Device for raising and setting self-propelled boom cranes on overhead travelling crane - Google Patents

Abstract

A DEVICE FOR ELEVATING AND INSTALLING BOOTH SELF-PROPELLED CRANES ON THE BRIDGE CRANE, containing a platform with attachment elements to the lifting body of the bridge crane and support for jib cranes, characterized in that, in order to increase the ease of operation, it is equipped with sliding platforms. both sides of the platform on which supports for jib cranes are installed, the device is equipped with swivel brackets with wheels with the possibility of placing these brackets on the arrow s cranes and telescopic supports are made. ts3

Description

The invention relates to a lifting machinery industry, and in particular to devices for lifting and installing boom self-propelled cranes on a bridge crane.

The purpose of the invention is to improve ease of operation.

FIG. t shows a lifting device for repairing a bridge crane in a transport position; in fig. 2 is a view A of FIG. one; in Fig.3 preparation of the device for lifting; in fig. 4 - the working position of the jib cranes.

The device comprises a platform 1 mounted on four swivel wheels 2 and connected with finger 3 to memory 4 intended for towing a vehicle. On platform 1, pin 5 is attached to the hook of the bridge crane and a stand 6 with two pairs of folding rollers 7, designed to be pressed against the cables of the cargo suspension of the bridge crane. At the ends of the platform 1, telescopic supports 8 are fixed, equipped with conical catch catchers 9 and backfilling bolts 10 for connection with the frames of 11 jib cranes. The removable platforms 12 of the supports 8 are installed between the rollers 13 and are moved horizontally by means of a screw.

701002

mechanism 14. Swivel brackets 15 with clamps 16 and driving wheels 17 are pivotally attached to the skeleton 11. The crane’s boom 18 has a ball5 fixed end 19. The boom slewing part 20 has a bracket 21 with blocks 22 for lifting the counterweight 23. The position of the wheels 2 is fixed with screws 24. to The device works as follows.

Lifting device is placed under the crane, disconnected 4,

15 move apart the sliding platforms 12, unfold the arrows 18, remove the counterweights 23 on the floor, reduce the brackets 15, fold (if necessary) the ends of the 19 cargo arrows 18,

20 raise and secure the supports 8. Then, using a bridge crane lifting mechanism for pin 5, they lift the entire device between the main beams and set the boom cranes on the subtool 25 ways. After freeing the bolts 10, lower the platform 1 to the floor of the workshop and remove it from the repair zone. With the aid of the lifting mechanisms 25, the counterweights 23 are raised and secured with the pins 26,

30 After completion of work, the lifting device is dismantled in reverse order and, in the transport position, is removed to the storage location.

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Claims (1)

DEVICE FOR LIFTING AND MOUNTING THE MOBILE SELF-PROPELLED CRANES ON THE BRIDGE CRANE, containing a platform with fastening elements to the load-gripping body of the cargo crane of the bridge crane and supports for jib cranes, characterized in that, in order to increase the convenience in operation, it is equipped with retractable platforms, . They are mounted on both sides of the platform on which the supports for jib cranes are installed, while the device is equipped with swivel brackets with wheels with the possibility of locating these brackets on jib cranes, and the supports are made telescopic. SU. „, 1270100