SU1320691A1 - Stand for testing crane running gear - Google Patents

Abstract

FIELD OF THE INVENTION The invention relates to a lifting and transport machinery, namely, stands for testing the crane undercarriage. The stand contains a crane rail simulator, made of two pairs of profiled rollers 1 and 2, drive wheels, main 12 and additional load devices, an additional crane rail simulator. The end beam 6 through a part of the span is loaded with force P with the help of the main loading device 12. 3 sludge. Co to O 05 of FIG. J V ///////////// S

Description

The invention relates to lifting equipment, namely, stands for testing elements of a crane, in particular end beams with driving wheels.

The purpose of the invention is to expand the functionality of the stand.

FIG. 1 shows a stand, a general view {in FIG. 2 - the same, top view; in fig. 3 is a section A-A in FIG. 2

The bench for testing the undercarriage of the crust contains a crane rail simulator, made in the input of two pairs of profiled rollers 1 and 2, the rolling surface of which corresponds to the profile of the crane rail. The rollers are mounted on supports 3. and 4 are symmetrical about the vertical axis of symmetry. On the rollers, the running beam 5 is installed with its own driving wheels 5. Each running wheel 5 is equipped with an engine 7, a main gearbox 8 and an additional gearbox 9 located coaxially with the main gearbox.

The end beam 6 carries the part of the superstructure 10, resting its free end on the post 11.

The stand also has a main load device 12, representing, for example, a press, and an additional load device, including a flywheel 13, kinematically connected through adapter 14 to the low-speed shaft 15 of one of the additional gearboxes 9, and the brake device made in the form of friction shoe grip 16, connected via adapter 17 with another additional gear 9.

To prevent the traveling wheels from coming off the rollers 1 and 2, stops 18 are provided, which cooperate with the buffers 19.

The stand works as follows. Before starting, the kontsuyu beam 6 through the part of the span structure 10 is loaded with force P by means of the main loading device 12. The motor 7 of the node with the flywheel 13 simulating the inertial mass of the crane operates according to a given cyclogram approximately corresponding to the real cyclogram of the crane. The engine 7 of the second node with the friction block grip 16 runs continuously, and the block grip 16 provides for low-speed shafts

 5 gearboxes maximum design moment of resistance to kwan movement.

, Formula of the Invention Chassis Test Bench

0 a crane containing a simulator of a crane rail mounted on a support, drives of traveling wheels, each of which includes an engine and gearbox, main and additional load devices, the last of which has a fly wheel and a brake device, characterized in that, in order to expand the functional opportunities

30 it is equipped with an additional simulator of the crane rail, each of the simulators contains a pair of profiled rollers with horizontal axes mounted from each other

5 and in series with a pair of rollers of another simulator, with this stand equipped with additional gears mounted coaxially with the main gears of the travel wheels, one of which is kinematically connected with the flywheel, and the other with the braking device, which is a friction shoe grip, at the same time, the main load device is placed symmetrically with respect to pairs of rollers of imitators of the crane rail.

f (-A

FIG. 2

Editor A. Ogar

(puz.3

Compiled by V. Preobrazhensk

Tehred A. KravchukKorrektor M.Demchik

Order 2652/46 Circulation 776 Subscription

VNIIPI USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5

Production and printing company, Uzhgorod, st. Project, 4

Claims (2)

.Claim Test bench for running gear 20 of a crane, containing a crane rail simulator mounted on a support, driving wheel drives, each of which includes an engine and gearbox, main and additional load devices, the last of which is an end beam 6 carries a part of the span structure 10, supported by a free end to rack 11. The stand also has a main load device 12, which is, for example, a press, and an additional load device including a flywheel 13 kinematically connected via an adapter 14 with a low-speed shaft 15 of one of the additional gearboxes 9, and a brake device made in the form of a friction shoe capture 16, connected through the adapter 17 with another additional gear 9. To prevent the wheel from coming off the rollers 1 and 2, stops 18 are provided that interact with the buffers 19. of which has a flywheel and a brake device, characterized in that, in order to expand the functionality, it is equipped with an additional crane rail simulator, each of the simulators containing a pair of profiled rollers with horizontal axes mounted from each other and sequentially with a pair of rollers of another simulator while the stand is equipped with additional reducers mounted coaxially with the main gears of the running wheels, one of which is kinematically connected with the flywheel, and the other with a brake device, which is a friction block grip, while the main load device is placed symmetrically with respect to the pairs of rollers of the crane rail simulators. FIG. 2 Fig. 3